/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * Lustre Light Super operations
+ * GPL HEADER START
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
*
- * Copyright (c) 2002, 2003 Cluster File Systems, Inc.
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
*
- * This file is part of Lustre, http://www.lustre.org.
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
*
- * Lustre is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
+ * GPL HEADER END
+ */
+/*
+ * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
*
- * Lustre is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * lustre/llite/llite_lib.c
*
- * You should have received a copy of the GNU General Public License
- * along with Lustre; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * Lustre Light Super operations
*/
#define DEBUG_SUBSYSTEM S_LLITE
#include <linux/types.h>
#include <linux/random.h>
#include <linux/version.h>
-#include <linux/seq_file.h>
-
-#include <linux/lustre_lite.h>
-#include <linux/lustre_ha.h>
-#include <linux/lustre_dlm.h>
-#include <linux/lprocfs_status.h>
-#include <linux/lustre_acl.h>
-#include <linux/lustre_audit.h>
-#include <linux/lustre_gs.h>
-#include <linux/lustre_sec.h>
+#include <linux/mm.h>
+
+#include <lustre_lite.h>
+#include <lustre_ha.h>
+#include <lustre_dlm.h>
+#include <lprocfs_status.h>
+#include <lustre_disk.h>
+#include <lustre_param.h>
+#include <lustre_log.h>
+#include <cl_object.h>
+#include <obd_cksum.h>
#include "llite_internal.h"
-kmem_cache_t *ll_file_data_slab;
-kmem_cache_t *ll_intent_slab;
+cfs_mem_cache_t *ll_file_data_slab;
+
+LIST_HEAD(ll_super_blocks);
+spinlock_t ll_sb_lock = SPIN_LOCK_UNLOCKED;
extern struct address_space_operations ll_aops;
extern struct address_space_operations ll_dir_aops;
#define log2(n) ffz(~(n))
#endif
-struct ll_sb_info *lustre_init_sbi(struct super_block *sb)
+static struct ll_sb_info *ll_init_sbi(void)
{
struct ll_sb_info *sbi = NULL;
+ unsigned long pages;
+ struct sysinfo si;
class_uuid_t uuid;
+ int i;
ENTRY;
OBD_ALLOC(sbi, sizeof(*sbi));
RETURN(NULL);
spin_lock_init(&sbi->ll_lock);
- INIT_LIST_HEAD(&sbi->ll_pglist);
- sbi->ll_pglist_gen = 0;
- if (num_physpages < SBI_DEFAULT_RA_MAX / 4)
- sbi->ll_ra_info.ra_max_pages = num_physpages / 4;
- else
- sbi->ll_ra_info.ra_max_pages = SBI_DEFAULT_RA_MAX;
+ spin_lock_init(&sbi->ll_lco.lco_lock);
+ spin_lock_init(&sbi->ll_pp_extent_lock);
+ spin_lock_init(&sbi->ll_process_lock);
+ sbi->ll_rw_stats_on = 0;
+
+ si_meminfo(&si);
+ pages = si.totalram - si.totalhigh;
+ if (pages >> (20 - CFS_PAGE_SHIFT) < 512) {
+#ifdef HAVE_BGL_SUPPORT
+ sbi->ll_async_page_max = pages / 4;
+#else
+ sbi->ll_async_page_max = pages / 2;
+#endif
+ } else {
+ sbi->ll_async_page_max = (pages / 4) * 3;
+ }
+
+ sbi->ll_ra_info.ra_max_pages_per_file = min(pages / 32,
+ SBI_DEFAULT_READAHEAD_MAX);
+ sbi->ll_ra_info.ra_max_pages = sbi->ll_ra_info.ra_max_pages_per_file;
+ sbi->ll_ra_info.ra_max_read_ahead_whole_pages =
+ SBI_DEFAULT_READAHEAD_WHOLE_MAX;
INIT_LIST_HEAD(&sbi->ll_conn_chain);
- INIT_HLIST_HEAD(&sbi->ll_orphan_dentry_list);
- INIT_LIST_HEAD(&sbi->ll_mnt_list);
-
- sema_init(&sbi->ll_gns_sem, 1);
- spin_lock_init(&sbi->ll_gns_lock);
- INIT_LIST_HEAD(&sbi->ll_gns_sbi_head);
- init_waitqueue_head(&sbi->ll_gns_waitq);
- init_completion(&sbi->ll_gns_mount_finished);
-
- /* this later may be reset via /proc/fs/... */
- memcpy(sbi->ll_gns_oname, ".mntinfo", strlen(".mntinfo"));
- sbi->ll_gns_oname[strlen(sbi->ll_gns_oname)] = '\0';
-
- /* this later may be reset via /proc/fs/... */
- memcpy(sbi->ll_gns_upcall, "/usr/sbin/gns_upcall",
- strlen("/usr/sbin/gns_upcall"));
- sbi->ll_gns_upcall[strlen(sbi->ll_gns_upcall)] = '\0';
-
- /* default values, may be changed via /proc/fs/... */
- sbi->ll_gns_state = LL_GNS_IDLE;
- sbi->ll_gns_pending_dentry = NULL;
- atomic_set(&sbi->ll_gns_enabled, 1);
- sbi->ll_gns_tick = GNS_TICK_TIMEOUT;
- sbi->ll_gns_timeout = GNS_MOUNT_TIMEOUT;
-
- sbi->ll_gns_timer.data = (unsigned long)sbi;
- sbi->ll_gns_timer.function = ll_gns_timer_callback;
- init_timer(&sbi->ll_gns_timer);
- //audit mask
- sbi->ll_audit_mask = AUDIT_OFF;
- ll_set_sbi(sb, sbi);
-
- generate_random_uuid(uuid);
+ INIT_LIST_HEAD(&sbi->ll_orphan_dentry_list);
+
+ ll_generate_random_uuid(uuid);
class_uuid_unparse(uuid, &sbi->ll_sb_uuid);
+ CDEBUG(D_CONFIG, "generated uuid: %s\n", sbi->ll_sb_uuid.uuid);
+
+ spin_lock(&ll_sb_lock);
+ list_add_tail(&sbi->ll_list, &ll_super_blocks);
+ spin_unlock(&ll_sb_lock);
+
+#ifdef ENABLE_LLITE_CHECKSUM
+ sbi->ll_flags |= LL_SBI_CHECKSUM;
+#endif
+
+#ifdef HAVE_LRU_RESIZE_SUPPORT
+ sbi->ll_flags |= LL_SBI_LRU_RESIZE;
+#endif
+
+#ifdef HAVE_EXPORT___IGET
+ INIT_LIST_HEAD(&sbi->ll_deathrow);
+ spin_lock_init(&sbi->ll_deathrow_lock);
+#endif
+ for (i = 0; i <= LL_PROCESS_HIST_MAX; i++) {
+ spin_lock_init(&sbi->ll_rw_extents_info.pp_extents[i].pp_r_hist.oh_lock);
+ spin_lock_init(&sbi->ll_rw_extents_info.pp_extents[i].pp_w_hist.oh_lock);
+ }
+
+ /* metadata statahead is enabled by default */
+ sbi->ll_sa_max = LL_SA_RPC_DEF;
+
RETURN(sbi);
}
-void lustre_free_sbi(struct super_block *sb)
+void ll_free_sbi(struct super_block *sb)
{
struct ll_sb_info *sbi = ll_s2sbi(sb);
ENTRY;
if (sbi != NULL) {
- list_del(&sbi->ll_gns_sbi_head);
- del_timer(&sbi->ll_gns_timer);
+ spin_lock(&ll_sb_lock);
+ list_del(&sbi->ll_list);
+ spin_unlock(&ll_sb_lock);
OBD_FREE(sbi, sizeof(*sbi));
}
- ll_set_sbi(sb, NULL);
EXIT;
}
-int lustre_init_dt_desc(struct ll_sb_info *sbi)
-{
- __u32 valsize;
- int rc = 0;
- ENTRY;
-
- valsize = sizeof(sbi->ll_dt_desc);
- memset(&sbi->ll_dt_desc, 0, sizeof(sbi->ll_dt_desc));
- rc = obd_get_info(sbi->ll_dt_exp, strlen("lovdesc") + 1,
- "lovdesc", &valsize, &sbi->ll_dt_desc);
- RETURN(rc);
-}
+static struct dentry_operations ll_d_root_ops = {
+ .d_compare = ll_dcompare,
+ .d_revalidate = ll_revalidate_nd,
+};
-static int lustre_connect_mds(struct super_block *sb, char *lmv,
- struct obd_connect_data *data,
- char *mds_security, int async, int pag)
+static int client_common_fill_super(struct super_block *sb, char *md, char *dt)
{
+ struct inode *root = 0;
struct ll_sb_info *sbi = ll_s2sbi(sb);
- struct lustre_handle md_conn = {0, };
- struct obd_device *md_obd;
+ struct obd_device *obd;
+ struct obd_capa *oc = NULL;
struct obd_statfs osfs;
- unsigned long sec_flags;
- __u32 valsize;
- int err = 0;
- ENTRY;
-
- md_obd = class_name2obd(lmv);
- if (!md_obd) {
- CERROR("MDC %s: not setup or attached\n", lmv);
+ struct ptlrpc_request *request = NULL;
+ struct obd_connect_data *data = NULL;
+ struct obd_uuid *uuid;
+ struct lustre_md lmd;
+ obd_valid valid;
+ int size, err, checksum;
+ ENTRY;
+
+ obd = class_name2obd(md);
+ if (!obd) {
+ CERROR("MD %s: not setup or attached\n", md);
RETURN(-EINVAL);
}
- obd_set_info(md_obd->obd_self_export, strlen("async"), "async",
- sizeof(async), &async);
+ OBD_ALLOC_PTR(data);
+ if (data == NULL)
+ RETURN(-ENOMEM);
- if (mds_security == NULL)
- mds_security = "null";
-
- err = obd_set_info(md_obd->obd_self_export, strlen("sec"), "sec",
- strlen(mds_security), mds_security);
-
- if (err) {
- CERROR("LMV %s: failed to set security %s, err %d\n",
- lmv, mds_security, err);
- RETURN(err);
+ if (proc_lustre_fs_root) {
+ err = lprocfs_register_mountpoint(proc_lustre_fs_root, sb,
+ dt, md);
+ if (err < 0)
+ CERROR("could not register mount in /proc/fs/lustre\n");
}
- if (pag) {
- sec_flags = PTLRPC_SEC_FL_PAG;
- err = obd_set_info(md_obd->obd_self_export,
- strlen("sec_flags"), "sec_flags",
- sizeof(sec_flags), &sec_flags);
- if (err) {
- OBD_FREE(data, sizeof(*data));
- RETURN(err);
- }
- }
+ /* indicate the features supported by this client */
+ data->ocd_connect_flags = OBD_CONNECT_IBITS | OBD_CONNECT_NODEVOH |
+ OBD_CONNECT_JOIN | OBD_CONNECT_ATTRFID |
+ OBD_CONNECT_VERSION | OBD_CONNECT_MDS_CAPA |
+ OBD_CONNECT_OSS_CAPA | OBD_CONNECT_CANCELSET|
+ OBD_CONNECT_FID | OBD_CONNECT_AT |
+ OBD_CONNECT_LOV_V3 | OBD_CONNECT_RMT_CLIENT |
+ OBD_CONNECT_VBR | OBD_CONNECT_SOM;
+
+#ifdef HAVE_LRU_RESIZE_SUPPORT
+ if (sbi->ll_flags & LL_SBI_LRU_RESIZE)
+ data->ocd_connect_flags |= OBD_CONNECT_LRU_RESIZE;
+#endif
+#ifdef CONFIG_FS_POSIX_ACL
+ data->ocd_connect_flags |= OBD_CONNECT_ACL;
+#endif
+ data->ocd_ibits_known = MDS_INODELOCK_FULL;
+ data->ocd_version = LUSTRE_VERSION_CODE;
+
+ if (sb->s_flags & MS_RDONLY)
+ data->ocd_connect_flags |= OBD_CONNECT_RDONLY;
+ if (sbi->ll_flags & LL_SBI_USER_XATTR)
+ data->ocd_connect_flags |= OBD_CONNECT_XATTR;
+
+#ifdef HAVE_MS_FLOCK_LOCK
+ /* force vfs to use lustre handler for flock() calls - bug 10743 */
+ sb->s_flags |= MS_FLOCK_LOCK;
+#endif
- err = obd_connect(&md_conn, md_obd, &sbi->ll_sb_uuid, data,
- OBD_OPT_REAL_CLIENT);
+ if (sbi->ll_flags & LL_SBI_FLOCK)
+ sbi->ll_fop = &ll_file_operations_flock;
+ else if (sbi->ll_flags & LL_SBI_LOCALFLOCK)
+ sbi->ll_fop = &ll_file_operations;
+ else
+ sbi->ll_fop = &ll_file_operations_noflock;
+
+ /* real client */
+ data->ocd_connect_flags |= OBD_CONNECT_REAL;
+ if (sbi->ll_flags & LL_SBI_RMT_CLIENT)
+ data->ocd_connect_flags |= OBD_CONNECT_RMT_CLIENT_FORCE;
+
+ err = obd_connect(NULL, &sbi->ll_md_exp, obd, &sbi->ll_sb_uuid, data, NULL);
if (err == -EBUSY) {
- CERROR("An MDS (lmv %s) is performing recovery, of which this"
- " client is not a part. Please wait for recovery to "
- "complete, abort, or time out.\n", lmv);
+ LCONSOLE_ERROR_MSG(0x14f, "An MDT (md %s) is performing "
+ "recovery, of which this client is not a "
+ "part. Please wait for recovery to complete,"
+ " abort, or time out.\n", md);
GOTO(out, err);
} else if (err) {
- CERROR("cannot connect to %s: rc = %d\n", lmv, err);
+ CERROR("cannot connect to %s: rc = %d\n", md, err);
GOTO(out, err);
}
- sbi->ll_md_exp = class_conn2export(&md_conn);
-
- err = obd_statfs(md_obd, &osfs, jiffies - HZ);
+ err = obd_fid_init(sbi->ll_md_exp);
+ if (err) {
+ CERROR("Can't init metadata layer FID infrastructure, "
+ "rc %d\n", err);
+ GOTO(out_md, err);
+ }
+
+ err = obd_statfs(obd, &osfs, cfs_time_current_64() - HZ, 0);
if (err)
- GOTO(out_disconnect, err);
+ GOTO(out_md_fid, err);
- if (!osfs.os_bsize) {
- CERROR("Invalid block size is detected.");
- GOTO(out_disconnect, err);
+ size = sizeof(*data);
+ err = obd_get_info(sbi->ll_md_exp, sizeof(KEY_CONN_DATA),
+ KEY_CONN_DATA, &size, data, NULL);
+ if (err) {
+ CERROR("Get connect data failed: %d \n", err);
+ GOTO(out_md, err);
}
- sb->s_magic = LL_SUPER_MAGIC;
+ LASSERT(osfs.os_bsize);
sb->s_blocksize = osfs.os_bsize;
sb->s_blocksize_bits = log2(osfs.os_bsize);
+ sb->s_magic = LL_SUPER_MAGIC;
+
+ /* for bug 11559. in $LINUX/fs/read_write.c, function do_sendfile():
+ * retval = in_file->f_op->sendfile(...);
+ * if (*ppos > max)
+ * retval = -EOVERFLOW;
+ *
+ * it will check if *ppos is greater than max. However, max equals to
+ * s_maxbytes, which is a negative integer in a x86_64 box since loff_t
+ * has been defined as a signed long long ineger in linux kernel. */
+#if BITS_PER_LONG == 64
+ sb->s_maxbytes = PAGE_CACHE_MAXBYTES >> 1;
+#else
sb->s_maxbytes = PAGE_CACHE_MAXBYTES;
+#endif
+ sbi->ll_namelen = osfs.os_namelen;
+ sbi->ll_max_rw_chunk = LL_DEFAULT_MAX_RW_CHUNK;
- /* in 2.6.x FS is not allowed to form s_dev */
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
- {
- kdev_t devno;
-
- devno = get_uuid2int((char *)sbi->ll_md_exp->exp_obd->obd_uuid.uuid,
- strlen((char *)sbi->ll_md_exp->exp_obd->obd_uuid.uuid));
-
- sb->s_dev = devno;
+ if ((sbi->ll_flags & LL_SBI_USER_XATTR) &&
+ !(data->ocd_connect_flags & OBD_CONNECT_XATTR)) {
+ LCONSOLE_INFO("Disabling user_xattr feature because "
+ "it is not supported on the server\n");
+ sbi->ll_flags &= ~LL_SBI_USER_XATTR;
}
-#endif
- /* after statfs, we are supposed to have connected to MDSs,
- * so it's ok to check remote flag returned.
- */
- valsize = sizeof(&sbi->ll_remote);
- err = obd_get_info(sbi->ll_md_exp, strlen("remote_flag"), "remote_flag",
- &valsize, &sbi->ll_remote);
- if (err) {
- CERROR("fail to obtain remote flag\n");
- GOTO(out_disconnect, err);
+ if (data->ocd_connect_flags & OBD_CONNECT_ACL) {
+#ifdef MS_POSIXACL
+ sb->s_flags |= MS_POSIXACL;
+#endif
+ sbi->ll_flags |= LL_SBI_ACL;
+ } else {
+ LCONSOLE_INFO("client wants to enable acl, but mdt not!\n");
+#ifdef MS_POSIXACL
+ sb->s_flags &= ~MS_POSIXACL;
+#endif
+ sbi->ll_flags &= ~LL_SBI_ACL;
}
-out_disconnect:
- if (err)
- obd_disconnect(sbi->ll_md_exp, 0);
-out:
- RETURN(err);
-}
+ if (data->ocd_connect_flags & OBD_CONNECT_JOIN)
+ sbi->ll_flags |= LL_SBI_JOIN;
-static int lustre_connect_ost(struct super_block *sb, char *lov,
- struct obd_connect_data *data,
- char *oss_security, int async, int pag)
-{
- struct ll_sb_info *sbi = ll_s2sbi(sb);
- struct lustre_handle dt_conn = {0, };
- struct obd_device *obd = NULL;
- unsigned long sec_flags;
- int err, mdsize;
+ if (data->ocd_connect_flags & OBD_CONNECT_RMT_CLIENT) {
+ if (!(sbi->ll_flags & LL_SBI_RMT_CLIENT)) {
+ sbi->ll_flags |= LL_SBI_RMT_CLIENT;
+ LCONSOLE_INFO("client is set as remote by default.\n");
+ }
+ } else {
+ if (sbi->ll_flags & LL_SBI_RMT_CLIENT) {
+ sbi->ll_flags &= ~LL_SBI_RMT_CLIENT;
+ LCONSOLE_INFO("client claims to be remote, but server "
+ "rejected, forced to be local.\n");
+ }
+ }
- obd = class_name2obd(lov);
- if (!obd) {
- CERROR("OSC %s: not setup or attached\n", lov);
- GOTO(out, err = -EINVAL);
+ if (data->ocd_connect_flags & OBD_CONNECT_MDS_CAPA) {
+ LCONSOLE_INFO("client enabled MDS capability!\n");
+ sbi->ll_flags |= LL_SBI_MDS_CAPA;
}
- obd_set_info(obd->obd_self_export, strlen("async"), "async",
- sizeof(async), &async);
- if (oss_security == NULL)
- oss_security = "null";
+ if (data->ocd_connect_flags & OBD_CONNECT_OSS_CAPA) {
+ LCONSOLE_INFO("client enabled OSS capability!\n");
+ sbi->ll_flags |= LL_SBI_OSS_CAPA;
+ }
- err = obd_set_info(obd->obd_self_export, strlen("sec"), "sec",
- strlen(oss_security), oss_security);
- if (err) {
- CERROR("LOV %s: failed to set security %s, err %d\n",
- lov, oss_security, err);
- RETURN(err);
+ obd = class_name2obd(dt);
+ if (!obd) {
+ CERROR("DT %s: not setup or attached\n", dt);
+ GOTO(out_md_fid, err = -ENODEV);
+ }
+
+ data->ocd_connect_flags = OBD_CONNECT_GRANT | OBD_CONNECT_VERSION |
+ OBD_CONNECT_REQPORTAL | OBD_CONNECT_BRW_SIZE |
+ OBD_CONNECT_CANCELSET | OBD_CONNECT_FID |
+ OBD_CONNECT_SRVLOCK | OBD_CONNECT_TRUNCLOCK|
+ OBD_CONNECT_AT | OBD_CONNECT_RMT_CLIENT |
+ OBD_CONNECT_OSS_CAPA | OBD_CONNECT_VBR|
+ OBD_CONNECT_SOM;
+
+ if (!OBD_FAIL_CHECK(OBD_FAIL_OSC_CONNECT_CKSUM)) {
+ /* OBD_CONNECT_CKSUM should always be set, even if checksums are
+ * disabled by default, because it can still be enabled on the
+ * fly via /proc. As a consequence, we still need to come to an
+ * agreement on the supported algorithms at connect time */
+ data->ocd_connect_flags |= OBD_CONNECT_CKSUM;
+
+ if (OBD_FAIL_CHECK(OBD_FAIL_OSC_CKSUM_ADLER_ONLY))
+ data->ocd_cksum_types = OBD_CKSUM_ADLER;
+ else
+ /* send the list of supported checksum types */
+ data->ocd_cksum_types = OBD_CKSUM_ALL;
}
- /* FIXME Because of the async nature of file i/o, we never know
- * who is actually dirty the pages; and any process have chance
- * to trigger dirty-flushing within its own process context. So
- * for simplicity we simply use root's credential, we suppose root
- * always have credential.
- */
- if (pag)
- sec_flags = PTLRPC_SEC_FL_PAG;
- else
- sec_flags = PTLRPC_SEC_FL_OSS;
+#ifdef HAVE_LRU_RESIZE_SUPPORT
+ data->ocd_connect_flags |= OBD_CONNECT_LRU_RESIZE;
+#endif
+ if (sbi->ll_flags & LL_SBI_RMT_CLIENT)
+ data->ocd_connect_flags |= OBD_CONNECT_RMT_CLIENT_FORCE;
- err = obd_set_info(obd->obd_self_export,
- strlen("sec_flags"), "sec_flags",
- sizeof(sec_flags), &sec_flags);
- if (err) {
- OBD_FREE(data, sizeof(*data));
- RETURN(err);
- }
+ CDEBUG(D_RPCTRACE, "ocd_connect_flags: "LPX64" ocd_version: %d "
+ "ocd_grant: %d\n", data->ocd_connect_flags,
+ data->ocd_version, data->ocd_grant);
+
+ obd->obd_upcall.onu_owner = &sbi->ll_lco;
+ obd->obd_upcall.onu_upcall = cl_ocd_update;
+ data->ocd_brw_size = PTLRPC_MAX_BRW_PAGES << CFS_PAGE_SHIFT;
- err = obd_connect(&dt_conn, obd, &sbi->ll_sb_uuid, data, 0);
+ err = obd_connect(NULL, &sbi->ll_dt_exp, obd, &sbi->ll_sb_uuid, data, NULL);
if (err == -EBUSY) {
- CERROR("An OST (lov %s) is performing recovery, of which this"
- " client is not a part. Please wait for recovery to "
- "complete, abort, or time out.\n", lov);
- GOTO(out, err);
+ LCONSOLE_ERROR_MSG(0x150, "An OST (dt %s) is performing "
+ "recovery, of which this client is not a "
+ "part. Please wait for recovery to "
+ "complete, abort, or time out.\n", dt);
+ GOTO(out_md_fid, err);
} else if (err) {
- CERROR("cannot connect to %s: rc = %d\n", lov, err);
- GOTO(out, err);
+ CERROR("Cannot connect to %s: rc = %d\n", dt, err);
+ GOTO(out_md_fid, err);
}
- sbi->ll_dt_exp = class_conn2export(&dt_conn);
- err = lustre_init_dt_desc(sbi);
-
+ err = obd_fid_init(sbi->ll_dt_exp);
if (err) {
- CWARN("init dt_desc error %d \n", err);
- GOTO(out, err = 0);
+ CERROR("Can't init data layer FID infrastructure, "
+ "rc %d\n", err);
+ GOTO(out_dt, err);
}
- mdsize = obd_size_diskmd(sbi->ll_dt_exp, NULL);
- obd_init_ea_size(sbi->ll_md_exp, mdsize, sbi->ll_dt_desc.ld_tgt_count *
- sizeof(struct llog_cookie));
-out:
- RETURN(err);
-}
-
-extern struct dentry_operations ll_d_ops;
-static int lustre_init_root_inode(struct super_block *sb)
-{
- struct ll_sb_info *sbi = ll_s2sbi(sb);
- struct ptlrpc_request *request = NULL;
- struct inode *root = NULL;
- struct lustre_md md;
- int err = 0;
- ENTRY;
+ spin_lock(&sbi->ll_lco.lco_lock);
+ sbi->ll_lco.lco_flags = data->ocd_connect_flags;
+ sbi->ll_lco.lco_md_exp = sbi->ll_md_exp;
+ sbi->ll_lco.lco_dt_exp = sbi->ll_dt_exp;
+ spin_unlock(&sbi->ll_lco.lco_lock);
- err = md_getstatus(sbi->ll_md_exp, &sbi->ll_rootid);
+ fid_zero(&sbi->ll_root_fid);
+ err = md_getstatus(sbi->ll_md_exp, &sbi->ll_root_fid, &oc);
if (err) {
CERROR("cannot mds_connect: rc = %d\n", err);
- GOTO(out, err);
+ GOTO(out_lock_cn_cb, err);
}
- CDEBUG(D_SUPER, "rootid "DLID4"\n", OLID4(&sbi->ll_rootid));
+ if (!fid_is_sane(&sbi->ll_root_fid)) {
+ CERROR("Invalid root fid during mount\n");
+ GOTO(out_lock_cn_cb, err = -EINVAL);
+ }
+ CDEBUG(D_SUPER, "rootfid "DFID"\n", PFID(&sbi->ll_root_fid));
sb->s_op = &lustre_super_operations;
-
- /* make root inode */
- err = md_getattr(sbi->ll_md_exp, &sbi->ll_rootid,
- (OBD_MD_FLNOTOBD | OBD_MD_FLBLOCKS | OBD_MD_FID),
- NULL, NULL, 0, 0, NULL, &request);
+ sb->s_export_op = &lustre_export_operations;
+
+ /* make root inode
+ * XXX: move this to after cbd setup? */
+ valid = OBD_MD_FLGETATTR | OBD_MD_FLBLOCKS | OBD_MD_FLMDSCAPA;
+ if (sbi->ll_flags & LL_SBI_RMT_CLIENT)
+ valid |= OBD_MD_FLRMTPERM;
+ else if (sbi->ll_flags & LL_SBI_ACL)
+ valid |= OBD_MD_FLACL;
+
+ err = md_getattr(sbi->ll_md_exp, &sbi->ll_root_fid, oc, valid, 0,
+ &request);
+ if (oc)
+ capa_put(oc);
if (err) {
CERROR("md_getattr failed for root: rc = %d\n", err);
- GOTO(out, err);
+ GOTO(out_lock_cn_cb, err);
}
-
- err = mdc_req2lustre_md(sbi->ll_md_exp, request, 0,
- sbi->ll_dt_exp, &md);
+ memset(&lmd, 0, sizeof(lmd));
+ err = md_get_lustre_md(sbi->ll_md_exp, request, sbi->ll_dt_exp,
+ sbi->ll_md_exp, &lmd);
if (err) {
CERROR("failed to understand root inode md: rc = %d\n", err);
- ptlrpc_req_finished(request);
- GOTO(out, err);
+ ptlrpc_req_finished (request);
+ GOTO(out_lock_cn_cb, err);
}
- LASSERT(id_ino(&sbi->ll_rootid) != 0);
- root = ll_iget(sb, id_ino(&sbi->ll_rootid), &md);
-
+ LASSERT(fid_is_sane(&sbi->ll_root_fid));
+ root = ll_iget(sb, ll_fid_build_ino(sbi, &sbi->ll_root_fid), &lmd);
+ md_free_lustre_md(sbi->ll_md_exp, &lmd);
ptlrpc_req_finished(request);
- if (root == NULL || is_bad_inode(root)) {
- if (md.lsm != NULL)
- obd_free_memmd(sbi->ll_dt_exp, &md.lsm);
- if (md.mea != NULL)
- obd_free_memmd(sbi->ll_md_exp,
- (struct lov_stripe_md**)&md.mea);
+ if (root == NULL || IS_ERR(root)) {
+ if (lmd.lsm)
+ obd_free_memmd(sbi->ll_dt_exp, &lmd.lsm);
+#ifdef CONFIG_FS_POSIX_ACL
+ if (lmd.posix_acl) {
+ posix_acl_release(lmd.posix_acl);
+ lmd.posix_acl = NULL;
+ }
+#endif
+ err = IS_ERR(root) ? PTR_ERR(root) : -EBADF;
+ root = NULL;
CERROR("lustre_lite: bad iget4 for root\n");
- GOTO(out_root, err = -EBADF);
+ GOTO(out_root, err);
+ }
+
+ err = ll_close_thread_start(&sbi->ll_lcq);
+ if (err) {
+ CERROR("cannot start close thread: rc %d\n", err);
+ GOTO(out_root, err);
}
+
+#ifdef CONFIG_FS_POSIX_ACL
+ if (sbi->ll_flags & LL_SBI_RMT_CLIENT) {
+ rct_init(&sbi->ll_rct);
+ et_init(&sbi->ll_et);
+ }
+#endif
+
+ checksum = sbi->ll_flags & LL_SBI_CHECKSUM;
+ err = obd_set_info_async(sbi->ll_dt_exp, sizeof(KEY_CHECKSUM),
+ KEY_CHECKSUM, sizeof(checksum), &checksum,
+ NULL);
+ cl_sb_init(sb);
+
sb->s_root = d_alloc_root(root);
- sb->s_root->d_op = &ll_d_ops;
+ if (data != NULL)
+ OBD_FREE(data, sizeof(*data));
+
+ sb->s_root->d_op = &ll_d_root_ops;
+
+ sbi->ll_sdev_orig = sb->s_dev;
+
+ /* We set sb->s_dev equal on all lustre clients in order to support
+ * NFS export clustering. NFSD requires that the FSID be the same
+ * on all clients. */
+ /* s_dev is also used in lt_compare() to compare two fs, but that is
+ * only a node-local comparison. */
+ uuid = obd_get_uuid(sbi->ll_md_exp);
+ if (uuid != NULL)
+ sb->s_dev = get_uuid2int(uuid->uuid, strlen(uuid->uuid));
+
+ RETURN(err);
out_root:
- if (err)
+ if (root)
iput(root);
+out_lock_cn_cb:
+ obd_fid_fini(sbi->ll_dt_exp);
+out_dt:
+ obd_disconnect(sbi->ll_dt_exp);
+ sbi->ll_dt_exp = NULL;
+out_md_fid:
+ obd_fid_fini(sbi->ll_md_exp);
+out_md:
+ obd_disconnect(sbi->ll_md_exp);
+ sbi->ll_md_exp = NULL;
out:
- RETURN(err);
+ if (data != NULL)
+ OBD_FREE_PTR(data);
+ lprocfs_unregister_mountpoint(sbi);
+ return err;
}
-int lustre_common_fill_super(struct super_block *sb, char *lmv, char *lov,
- char *gkc, int async, char *mds_security,
- char *oss_security, __u32 *nllu, int pag,
- __u64 *remote)
+int ll_get_max_mdsize(struct ll_sb_info *sbi, int *lmmsize)
{
- struct ll_sb_info *sbi = ll_s2sbi(sb);
- struct obd_connect_data *data;
- int err;
- ENTRY;
+ int size, rc;
- /*process the connect flags*/
- if ((*remote & (OBD_CONNECT_LOCAL | OBD_CONNECT_REMOTE)) ==
- (OBD_CONNECT_LOCAL | OBD_CONNECT_REMOTE)) {
- CERROR("wrong remote flag "LPX64"\n", *remote);
- RETURN(-EINVAL);
- }
+ *lmmsize = obd_size_diskmd(sbi->ll_dt_exp, NULL);
+ size = sizeof(int);
+ rc = obd_get_info(sbi->ll_md_exp, sizeof(KEY_MAX_EASIZE),
+ KEY_MAX_EASIZE, &size, lmmsize, NULL);
+ if (rc)
+ CERROR("Get max mdsize error rc %d \n", rc);
- OBD_ALLOC(data, sizeof(*data));
- if (!data)
- RETURN(-ENOMEM);
+ RETURN(rc);
+}
- data->ocd_connect_flags |= *remote & (OBD_CONNECT_LOCAL |
- OBD_CONNECT_REMOTE);
- memcpy(data->ocd_nllu, nllu, sizeof(data->ocd_nllu));
+void ll_dump_inode(struct inode *inode)
+{
+ struct list_head *tmp;
+ int dentry_count = 0;
- if (proc_lustre_fs_root) {
- err = lprocfs_register_mountpoint(proc_lustre_fs_root,
- sb, lov, lmv);
- if (err < 0)
- CERROR("could not register mount in /proc/lustre");
- }
+ LASSERT(inode != NULL);
- /*connect mds */
- err = lustre_connect_mds(sb, lmv, data, mds_security, async, pag);
- if (err)
- GOTO(out, err);
+ list_for_each(tmp, &inode->i_dentry)
+ dentry_count++;
- /*connect OST*/
- err = lustre_connect_ost(sb, lov, data, oss_security, async, pag);
- if (err)
- GOTO(out_lmv, err);
+ CERROR("inode %p dump: dev=%s ino=%lu mode=%o count=%u, %d dentries\n",
+ inode, ll_i2mdexp(inode)->exp_obd->obd_name, inode->i_ino,
+ inode->i_mode, atomic_read(&inode->i_count), dentry_count);
+}
- /*connect GSS*/
- err = lustre_init_crypto(sb, gkc, data, async);
- if (err) {
- CERROR("Could not connect to GSS err %d\n", err);
- err = 0;
+void lustre_dump_dentry(struct dentry *dentry, int recur)
+{
+ struct list_head *tmp;
+ int subdirs = 0;
+
+ LASSERT(dentry != NULL);
+
+ list_for_each(tmp, &dentry->d_subdirs)
+ subdirs++;
+
+ CERROR("dentry %p dump: name=%.*s parent=%.*s (%p), inode=%p, count=%u,"
+ " flags=0x%x, fsdata=%p, %d subdirs\n", dentry,
+ dentry->d_name.len, dentry->d_name.name,
+ dentry->d_parent->d_name.len, dentry->d_parent->d_name.name,
+ dentry->d_parent, dentry->d_inode, atomic_read(&dentry->d_count),
+ dentry->d_flags, dentry->d_fsdata, subdirs);
+ if (dentry->d_inode != NULL)
+ ll_dump_inode(dentry->d_inode);
+
+ if (recur == 0)
+ return;
+
+ list_for_each(tmp, &dentry->d_subdirs) {
+ struct dentry *d = list_entry(tmp, struct dentry, d_child);
+ lustre_dump_dentry(d, recur - 1);
}
-
- err = lustre_init_root_inode(sb);
- if (err)
- GOTO(out_gks, err);
+}
- err = ll_close_thread_start(&sbi->ll_lcq);
- if (err) {
- CERROR("cannot start close thread: rc %d\n", err);
- GOTO(out_root, err);
+#ifdef HAVE_EXPORT___IGET
+static void prune_dir_dentries(struct inode *inode)
+{
+ struct dentry *dentry, *prev = NULL;
+
+ /* due to lustre specific logic, a directory
+ * can have few dentries - a bug from VFS POV */
+restart:
+ spin_lock(&dcache_lock);
+ if (!list_empty(&inode->i_dentry)) {
+ dentry = list_entry(inode->i_dentry.prev,
+ struct dentry, d_alias);
+ /* in order to prevent infinite loops we
+ * break if previous dentry is busy */
+ if (dentry != prev) {
+ prev = dentry;
+ dget_locked(dentry);
+ spin_unlock(&dcache_lock);
+
+ /* try to kill all child dentries */
+ lock_dentry(dentry);
+ shrink_dcache_parent(dentry);
+ unlock_dentry(dentry);
+ dput(dentry);
+
+ /* now try to get rid of current dentry */
+ d_prune_aliases(inode);
+ goto restart;
+ }
}
+ spin_unlock(&dcache_lock);
+}
- ll_gns_add_timer(sbi);
+static void prune_deathrow_one(struct ll_inode_info *lli)
+{
+ struct inode *inode = ll_info2i(lli);
+
+ /* first, try to drop any dentries - they hold a ref on the inode */
+ if (S_ISDIR(inode->i_mode))
+ prune_dir_dentries(inode);
+ else
+ d_prune_aliases(inode);
+
+
+ /* if somebody still uses it, leave it */
+ LASSERT(atomic_read(&inode->i_count) > 0);
+ if (atomic_read(&inode->i_count) > 1)
+ goto out;
+
+ CDEBUG(D_INODE, "inode %lu/%u(%d) looks a good candidate for prune\n",
+ inode->i_ino,inode->i_generation, atomic_read(&inode->i_count));
+
+ /* seems nobody uses it anymore */
+ inode->i_nlink = 0;
- /* making vm readahead 0 for 2.4.x. In the case of 2.6.x,
- backing dev info assigned to inode mapping is used for
- determining maximal readahead. */
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)) && \
- !defined(KERNEL_HAS_AS_MAX_READAHEAD)
- /* bug 2805 - set VM readahead to zero */
- vm_max_readahead = vm_min_readahead = 0;
-#endif
- sb->s_flags |= MS_POSIXACL;
-#ifdef S_PDIROPS
- CWARN("Enabling PDIROPS\n");
- sb->s_flags |= S_PDIROPS;
-#endif
- if (data != NULL)
- OBD_FREE(data, sizeof(*data));
- RETURN(err);
-out_root:
- if (sb->s_root)
- dput(sb->s_root);
-out_gks:
- lustre_destroy_crypto(sb);
-out_lmv:
- obd_disconnect(sbi->ll_md_exp, 0);
out:
- if (data != NULL)
- OBD_FREE(data, sizeof(*data));
- lprocfs_unregister_mountpoint(sbi);
- RETURN(err);
+ iput(inode);
+ return;
+}
+
+static void prune_deathrow(struct ll_sb_info *sbi, int try)
+{
+ struct ll_inode_info *lli;
+ int empty;
+
+ do {
+ if (need_resched() && try)
+ break;
+
+ if (try) {
+ if (!spin_trylock(&sbi->ll_deathrow_lock))
+ break;
+ } else {
+ spin_lock(&sbi->ll_deathrow_lock);
+ }
+
+ empty = 1;
+ lli = NULL;
+ if (!list_empty(&sbi->ll_deathrow)) {
+ lli = list_entry(sbi->ll_deathrow.next,
+ struct ll_inode_info,
+ lli_dead_list);
+ list_del_init(&lli->lli_dead_list);
+ if (!list_empty(&sbi->ll_deathrow))
+ empty = 0;
+ }
+ spin_unlock(&sbi->ll_deathrow_lock);
+
+ if (lli)
+ prune_deathrow_one(lli);
+
+ } while (empty == 0);
}
+#else /* !HAVE_EXPORT___IGET */
+#define prune_deathrow(sbi, try) do {} while (0)
+#endif /* HAVE_EXPORT___IGET */
-void lustre_common_put_super(struct super_block *sb)
+void client_common_put_super(struct super_block *sb)
{
struct ll_sb_info *sbi = ll_s2sbi(sb);
- struct hlist_node *tmp, *next;
ENTRY;
- ll_gns_del_timer(sbi);
- ll_close_thread_stop(sbi->ll_lcq);
+#ifdef CONFIG_FS_POSIX_ACL
+ if (sbi->ll_flags & LL_SBI_RMT_CLIENT) {
+ et_fini(&sbi->ll_et);
+ rct_fini(&sbi->ll_rct);
+ }
+#endif
+
+ obd_cancel_unused(sbi->ll_dt_exp, NULL, 0, NULL);
+
+ ll_close_thread_shutdown(sbi->ll_lcq);
+
+ cl_sb_fini(sb);
+
+ /* destroy inodes in deathrow */
+ prune_deathrow(sbi, 0);
list_del(&sbi->ll_conn_chain);
- obd_disconnect(sbi->ll_dt_exp, 0);
-
- lustre_destroy_crypto(sb);
+
+ obd_fid_fini(sbi->ll_dt_exp);
+ obd_disconnect(sbi->ll_dt_exp);
+ sbi->ll_dt_exp = NULL;
lprocfs_unregister_mountpoint(sbi);
- if (sbi->ll_proc_root) {
- lprocfs_remove(sbi->ll_proc_root);
- sbi->ll_proc_root = NULL;
- }
- obd_disconnect(sbi->ll_md_exp, 0);
+ obd_fid_fini(sbi->ll_md_exp);
+ obd_disconnect(sbi->ll_md_exp);
+ sbi->ll_md_exp = NULL;
- // We do this to get rid of orphaned dentries. That is not really trw.
- hlist_for_each_safe(tmp, next, &sbi->ll_orphan_dentry_list) {
- struct dentry *dentry = hlist_entry(tmp, struct dentry, d_hash);
- CWARN("orphan dentry %.*s (%p->%p) at unmount\n",
- dentry->d_name.len, dentry->d_name.name, dentry, next);
- shrink_dcache_parent(dentry);
- }
+ EXIT;
+}
+
+void ll_kill_super(struct super_block *sb)
+{
+ struct ll_sb_info *sbi;
+
+ ENTRY;
+
+ /* not init sb ?*/
+ if (!(sb->s_flags & MS_ACTIVE))
+ return;
+
+ sbi = ll_s2sbi(sb);
+ /* we need restore s_dev from changed for clustred NFS before put_super
+ * because new kernels have cached s_dev and change sb->s_dev in
+ * put_super not affected real removing devices */
+ if (sbi)
+ sb->s_dev = sbi->ll_sdev_orig;
EXIT;
}
RETURN(retval);
}
-int ll_set_opt(const char *opt, char *data, int fl)
+static inline int ll_set_opt(const char *opt, char *data, int fl)
{
- ENTRY;
-
- CDEBUG(D_SUPER, "option: %s, data %s\n", opt, data);
- if (strncmp(opt, data, strlen(opt)))
- RETURN(0);
+ if (strncmp(opt, data, strlen(opt)) != 0)
+ return(0);
else
- RETURN(fl);
+ return(fl);
}
-void ll_options(char *options, char **lov, char **lmv, char **gkc,
- char **mds_sec, char **oss_sec, int *async, int *flags)
+/* non-client-specific mount options are parsed in lmd_parse */
+static int ll_options(char *options, int *flags)
{
- char *this_char;
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
- char *opt_ptr = options;
-#endif
+ int tmp;
+ char *s1 = options, *s2;
ENTRY;
- if (!options) {
- EXIT;
- return;
- }
+ if (!options)
+ RETURN(0);
- *async = 0;
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
- for (this_char = strtok (options, ",");
- this_char != NULL;
- this_char = strtok (NULL, ",")) {
-#else
- while ((this_char = strsep (&opt_ptr, ",")) != NULL) {
-#endif
- CDEBUG(D_SUPER, "this_char %s\n", this_char);
- if (!*lov && (*lov = ll_read_opt("osc", this_char)))
- continue;
- if (!*lmv && (*lmv = ll_read_opt("mdc", this_char)))
- continue;
- if (!*gkc && (*gkc = ll_read_opt("gkc", this_char)))
- continue;
- if (!strncmp(this_char, "lasync", strlen("lasync"))) {
- *async = 1;
- continue;
+ CDEBUG(D_CONFIG, "Parsing opts %s\n", options);
+
+ while (*s1) {
+ CDEBUG(D_SUPER, "next opt=%s\n", s1);
+ tmp = ll_set_opt("nolock", s1, LL_SBI_NOLCK);
+ if (tmp) {
+ *flags |= tmp;
+ goto next;
}
- if (!*mds_sec && (*mds_sec = ll_read_opt("mds_sec", this_char)))
- continue;
- if (!*oss_sec && (*oss_sec = ll_read_opt("oss_sec", this_char)))
- continue;
- if (!(*flags & LL_SBI_NOLCK) &&
- ((*flags) = (*flags) |
- ll_set_opt("nolock", this_char,
- LL_SBI_NOLCK)))
- continue;
- }
-
- EXIT;
+ tmp = ll_set_opt("flock", s1, LL_SBI_FLOCK);
+ if (tmp) {
+ *flags |= tmp;
+ goto next;
+ }
+ tmp = ll_set_opt("localflock", s1, LL_SBI_LOCALFLOCK);
+ if (tmp) {
+ *flags |= tmp;
+ goto next;
+ }
+ tmp = ll_set_opt("noflock", s1, LL_SBI_FLOCK|LL_SBI_LOCALFLOCK);
+ if (tmp) {
+ *flags &= ~tmp;
+ goto next;
+ }
+ tmp = ll_set_opt("user_xattr", s1, LL_SBI_USER_XATTR);
+ if (tmp) {
+ *flags |= tmp;
+ goto next;
+ }
+ tmp = ll_set_opt("nouser_xattr", s1, LL_SBI_USER_XATTR);
+ if (tmp) {
+ *flags &= ~tmp;
+ goto next;
+ }
+ tmp = ll_set_opt("acl", s1, LL_SBI_ACL);
+ if (tmp) {
+ /* Ignore deprecated mount option. The client will
+ * always try to mount with ACL support, whether this
+ * is used depends on whether server supports it. */
+ goto next;
+ }
+ tmp = ll_set_opt("noacl", s1, LL_SBI_ACL);
+ if (tmp) {
+ goto next;
+ }
+ tmp = ll_set_opt("remote_client", s1, LL_SBI_RMT_CLIENT);
+ if (tmp) {
+ *flags |= tmp;
+ goto next;
+ }
+
+ tmp = ll_set_opt("checksum", s1, LL_SBI_CHECKSUM);
+ if (tmp) {
+ *flags |= tmp;
+ goto next;
+ }
+ tmp = ll_set_opt("nochecksum", s1, LL_SBI_CHECKSUM);
+ if (tmp) {
+ *flags &= ~tmp;
+ goto next;
+ }
+ tmp = ll_set_opt("lruresize", s1, LL_SBI_LRU_RESIZE);
+ if (tmp) {
+ *flags |= tmp;
+ goto next;
+ }
+ tmp = ll_set_opt("nolruresize", s1, LL_SBI_LRU_RESIZE);
+ if (tmp) {
+ *flags &= ~tmp;
+ goto next;
+ }
+ tmp = ll_set_opt("lazystatfs", s1, LL_SBI_LAZYSTATFS);
+ if (tmp) {
+ *flags |= tmp;
+ goto next;
+ }
+ tmp = ll_set_opt("nolazystatfs", s1, LL_SBI_LAZYSTATFS);
+ if (tmp) {
+ *flags &= ~tmp;
+ goto next;
+ }
+
+ LCONSOLE_ERROR_MSG(0x152, "Unknown option '%s', won't mount.\n",
+ s1);
+ RETURN(-EINVAL);
+
+next:
+ /* Find next opt */
+ s2 = strchr(s1, ',');
+ if (s2 == NULL)
+ break;
+ s1 = s2 + 1;
+ }
+ RETURN(0);
}
void ll_lli_init(struct ll_inode_info *lli)
{
- sema_init(&lli->lli_open_sem, 1);
+ lli->lli_inode_magic = LLI_INODE_MAGIC;
sema_init(&lli->lli_size_sem, 1);
+ sema_init(&lli->lli_write_sem, 1);
lli->lli_flags = 0;
- lli->lli_size_pid = 0;
lli->lli_maxbytes = PAGE_CACHE_MAXBYTES;
spin_lock_init(&lli->lli_lock);
- INIT_LIST_HEAD(&lli->lli_pending_write_llaps);
- INIT_LIST_HEAD(&lli->lli_close_item);
+ INIT_LIST_HEAD(&lli->lli_close_list);
lli->lli_inode_magic = LLI_INODE_MAGIC;
- memset(&lli->lli_id, 0, sizeof(lli->lli_id));
sema_init(&lli->lli_och_sem, 1);
lli->lli_mds_read_och = lli->lli_mds_write_och = NULL;
lli->lli_mds_exec_och = NULL;
lli->lli_open_fd_read_count = lli->lli_open_fd_write_count = 0;
lli->lli_open_fd_exec_count = 0;
- lli->lli_audit_mask = AUDIT_OFF;
- lli->lli_key_info = NULL;
- init_waitqueue_head(&lli->lli_dirty_wait);
- lli->lli_io_epoch = 0;
- INIT_LIST_HEAD(&lli->lli_capas);
+ INIT_LIST_HEAD(&lli->lli_dead_list);
+ lli->lli_remote_perms = NULL;
+ lli->lli_rmtperm_utime = 0;
+ sema_init(&lli->lli_rmtperm_sem, 1);
+ INIT_LIST_HEAD(&lli->lli_oss_capas);
}
-int ll_fill_super(struct super_block *sb, void *data, int silent)
+int ll_fill_super(struct super_block *sb)
{
+ struct lustre_profile *lprof;
+ struct lustre_sb_info *lsi = s2lsi(sb);
struct ll_sb_info *sbi;
- char *lov = NULL, *lmv = NULL, *gkc = NULL;
- char *mds_sec = NULL;
- char *oss_sec = NULL;
- int async, err;
- __u32 nllu[2] = { NOBODY_UID, NOBODY_GID };
- __u64 remote_flag = 0;
+ char *dt = NULL, *md = NULL;
+ char *profilenm = get_profile_name(sb);
+ struct config_llog_instance cfg = {0, };
+ char ll_instance[sizeof(sb) * 2 + 1];
+ int err;
ENTRY;
CDEBUG(D_VFSTRACE, "VFS Op: sb %p\n", sb);
- sbi = lustre_init_sbi(sb);
- if (!sbi)
- RETURN(-ENOMEM);
-
- sbi->ll_flags |= LL_SBI_READAHEAD;
- ll_options(data, &lov, &lmv, &gkc, &mds_sec, &oss_sec,
- &async, &sbi->ll_flags);
+ cfs_module_get();
- if (!lov || !lmv) {
- CERROR("no osc %p or no mdc %p\n", lov, lmv);
- GOTO(out, err = -EINVAL);
+ /* client additional sb info */
+ lsi->lsi_llsbi = sbi = ll_init_sbi();
+ if (!sbi) {
+ cfs_module_put();
+ RETURN(-ENOMEM);
}
-
- err = lustre_common_fill_super(sb, lmv, lov, gkc, async, mds_sec,
- oss_sec, nllu, 0, &remote_flag);
- EXIT;
-out:
- if (err)
- lustre_free_sbi(sb);
-
- if (lmv)
- OBD_FREE(lmv, strlen(lmv) + 1);
- if (lov)
- OBD_FREE(lov, strlen(lov) + 1);
- if (mds_sec)
- OBD_FREE(mds_sec, strlen(mds_sec) + 1);
- if (oss_sec)
- OBD_FREE(oss_sec, strlen(oss_sec) + 1);
- if (gkc)
- OBD_FREE(gkc, strlen(gkc) + 1);
-
- return err;
-} /* ll_read_super */
-
-static int lustre_process_log(struct lustre_mount_data *lmd, char *profile,
- struct config_llog_instance *cfg, int allow_recov)
-{
- struct lustre_cfg *lcfg = NULL;
- struct lustre_cfg_bufs bufs;
- struct portals_cfg pcfg;
- char *peer = "MDS_PEER_UUID";
- struct obd_device *obd;
- struct lustre_handle md_conn = {0, };
- struct obd_export *exp;
- char *name = "mdc_dev";
- class_uuid_t uuid;
- struct obd_uuid lmv_uuid;
- struct llog_ctxt *ctxt;
- int rc = 0, err = 0;
- ENTRY;
- if (lmd_bad_magic(lmd))
- RETURN(-EINVAL);
+ err = ll_options(lsi->lsi_lmd->lmd_opts, &sbi->ll_flags);
+ if (err)
+ GOTO(out_free, err);
- generate_random_uuid(uuid);
- class_uuid_unparse(uuid, &lmv_uuid);
+ /* Generate a string unique to this super, in case some joker tries
+ to mount the same fs at two mount points.
+ Use the address of the super itself.*/
+ sprintf(ll_instance, "%p", sb);
+ cfg.cfg_instance = ll_instance;
+ cfg.cfg_uuid = lsi->lsi_llsbi->ll_sb_uuid;
- if (lmd->lmd_local_nid) {
- PCFG_INIT(pcfg, NAL_CMD_REGISTER_MYNID);
- pcfg.pcfg_nal = lmd->lmd_nal;
- pcfg.pcfg_nid = lmd->lmd_local_nid;
- rc = libcfs_nal_cmd(&pcfg);
- if (rc < 0)
- GOTO(out, rc);
- }
-
- if (lmd->lmd_nal == SOCKNAL ||
- lmd->lmd_nal == OPENIBNAL ||
- lmd->lmd_nal == IIBNAL ||
- lmd->lmd_nal == VIBNAL ||
- lmd->lmd_nal == RANAL) {
- PCFG_INIT(pcfg, NAL_CMD_ADD_PEER);
- pcfg.pcfg_nal = lmd->lmd_nal;
- pcfg.pcfg_nid = lmd->lmd_server_nid;
- pcfg.pcfg_id = lmd->lmd_server_ipaddr;
- pcfg.pcfg_misc = lmd->lmd_port;
- rc = libcfs_nal_cmd(&pcfg);
- if (rc < 0)
- GOTO(out, rc);
+ /* set up client obds */
+ err = lustre_process_log(sb, profilenm, &cfg);
+ if (err < 0) {
+ CERROR("Unable to process log: %d\n", err);
+ GOTO(out_free, err);
}
- lustre_cfg_bufs_reset(&bufs, name);
- lustre_cfg_bufs_set_string(&bufs, 1, peer);
-
- lcfg = lustre_cfg_new(LCFG_ADD_UUID, &bufs);
- lcfg->lcfg_nal = lmd->lmd_nal;
- lcfg->lcfg_nid = lmd->lmd_server_nid;
- LASSERT(lcfg->lcfg_nal);
- LASSERT(lcfg->lcfg_nid);
- err = class_process_config(lcfg);
- lustre_cfg_free(lcfg);
- if (err < 0)
- GOTO(out_del_conn, err);
-
- lustre_cfg_bufs_reset(&bufs, name);
- lustre_cfg_bufs_set_string(&bufs, 1, OBD_MDC_DEVICENAME);
- lustre_cfg_bufs_set_string(&bufs, 2, (char *)lmv_uuid.uuid);
-
- lcfg = lustre_cfg_new(LCFG_ATTACH, &bufs);
- err = class_process_config(lcfg);
- lustre_cfg_free(lcfg);
- if (err < 0)
- GOTO(out_del_uuid, err);
-
- lustre_cfg_bufs_reset(&bufs, name);
- lustre_cfg_bufs_set_string(&bufs, 1, lmd->lmd_mds);
- lustre_cfg_bufs_set_string(&bufs, 2, peer);
-
- lcfg = lustre_cfg_new(LCFG_SETUP, &bufs);
- err = class_process_config(lcfg);
- lustre_cfg_free(lcfg);
- if (err < 0)
- GOTO(out_detach, err);
-
- obd = class_name2obd(name);
- if (obd == NULL)
- GOTO(out_cleanup, rc = -EINVAL);
-
- rc = obd_set_info(obd->obd_self_export, strlen("sec"), "sec",
- strlen(lmd->lmd_mds_security), lmd->lmd_mds_security);
- if (rc)
- GOTO(out_cleanup, rc);
- if (lmd->lmd_pag) {
- unsigned long sec_flags = PTLRPC_SEC_FL_PAG;
- rc = obd_set_info(obd->obd_self_export,
- strlen("sec_flags"), "sec_flags",
- sizeof(sec_flags), &sec_flags);
- if (rc)
- GOTO(out_cleanup, rc);
+ lprof = class_get_profile(profilenm);
+ if (lprof == NULL) {
+ LCONSOLE_ERROR_MSG(0x156, "The client profile '%s' could not be"
+ " read from the MGS. Does that filesystem "
+ "exist?\n", profilenm);
+ GOTO(out_free, err = -EINVAL);
}
+ CDEBUG(D_CONFIG, "Found profile %s: mdc=%s osc=%s\n", profilenm,
+ lprof->lp_md, lprof->lp_dt);
- /* Disable initial recovery on this import */
- rc = obd_set_info(obd->obd_self_export,
- strlen("initial_recov"), "initial_recov",
- sizeof(allow_recov), &allow_recov);
- if (rc)
- GOTO(out_cleanup, rc);
+ OBD_ALLOC(dt, strlen(lprof->lp_dt) +
+ strlen(ll_instance) + 2);
+ if (!dt)
+ GOTO(out_free, err = -ENOMEM);
+ sprintf(dt, "%s-%s", lprof->lp_dt, ll_instance);
- rc = obd_connect(&md_conn, obd, &lmv_uuid, NULL, OBD_OPT_REAL_CLIENT);
- if (rc) {
- CERROR("cannot connect to %s: rc = %d\n", lmd->lmd_mds, rc);
- GOTO(out_cleanup, rc);
- }
+ OBD_ALLOC(md, strlen(lprof->lp_md) +
+ strlen(ll_instance) + 2);
+ if (!md)
+ GOTO(out_free, err = -ENOMEM);
+ sprintf(md, "%s-%s", lprof->lp_md, ll_instance);
- exp = class_conn2export(&md_conn);
+ /* connections, registrations, sb setup */
+ err = client_common_fill_super(sb, md, dt);
- ctxt = llog_get_context(&exp->exp_obd->obd_llogs,LLOG_CONFIG_REPL_CTXT);
- rc = class_config_process_llog(ctxt, profile, cfg);
- if (rc)
- CERROR("class_config_process_llog failed: rc = %d\n", rc);
+out_free:
+ if (md)
+ OBD_FREE(md, strlen(md) + 1);
+ if (dt)
+ OBD_FREE(dt, strlen(dt) + 1);
+ if (err)
+ ll_put_super(sb);
+ else
+ LCONSOLE_WARN("Client %s has started\n", profilenm);
- err = obd_disconnect(exp, 0);
-
- EXIT;
-out_cleanup:
- lustre_cfg_bufs_reset(&bufs, name);
- lcfg = lustre_cfg_new(LCFG_CLEANUP, &bufs);
- err = class_process_config(lcfg);
- lustre_cfg_free(lcfg);
- if (err < 0)
- GOTO(out, err);
-out_detach:
- lustre_cfg_bufs_reset(&bufs, name);
- lcfg = lustre_cfg_new(LCFG_DETACH, &bufs);
- err = class_process_config(lcfg);
- lustre_cfg_free(lcfg);
- if (err < 0)
- GOTO(out, err);
+ RETURN(err);
+} /* ll_fill_super */
-out_del_uuid:
- lustre_cfg_bufs_reset(&bufs, name);
- lustre_cfg_bufs_set_string(&bufs, 1, peer);
- lcfg = lustre_cfg_new(LCFG_DEL_UUID, &bufs);
- err = class_process_config(lcfg);
- lustre_cfg_free(lcfg);
-
-out_del_conn:
- if (lmd->lmd_nal == SOCKNAL ||
- lmd->lmd_nal == OPENIBNAL ||
- lmd->lmd_nal == IIBNAL ||
- lmd->lmd_nal == VIBNAL ||
- lmd->lmd_nal == RANAL) {
- int err2;
-
- PCFG_INIT(pcfg, NAL_CMD_DEL_PEER);
- pcfg.pcfg_nal = lmd->lmd_nal;
- pcfg.pcfg_nid = lmd->lmd_server_nid;
- pcfg.pcfg_flags = 1; /* single_share */
- err2 = libcfs_nal_cmd(&pcfg);
- if (err2 && !err)
- err = err2;
- if (err < 0)
- GOTO(out, err);
- }
-out:
- if (rc == 0)
- rc = err;
- return rc;
-}
+void lu_context_keys_dump(void);
-static void lustre_manual_cleanup(struct ll_sb_info *sbi)
+void ll_put_super(struct super_block *sb)
{
- struct lustre_cfg *lcfg;
- struct lustre_cfg_bufs bufs;
+ struct config_llog_instance cfg;
+ char ll_instance[sizeof(sb) * 2 + 1];
struct obd_device *obd;
- int next = 0;
-
- while ((obd = class_devices_in_group(&sbi->ll_sb_uuid, &next)) != NULL) {
- int err;
-
- lustre_cfg_bufs_reset(&bufs, obd->obd_name);
- lcfg = lustre_cfg_new(LCFG_CLEANUP, &bufs);
- err = class_process_config(lcfg);
- if (err) {
- CERROR("cleanup failed: %s\n", obd->obd_name);
- //continue;
- }
-
- lcfg->lcfg_command = LCFG_DETACH;
- err = class_process_config(lcfg);
- lustre_cfg_free(lcfg);
- if (err) {
- CERROR("detach failed: %s\n", obd->obd_name);
- //continue;
- }
- }
-
- if (sbi->ll_lmd != NULL)
- class_del_profile(sbi->ll_lmd->lmd_profile);
-}
-
-static int lustre_process_profile(struct super_block *sb,
- struct lustre_mount_data *lmd,
- char **lov, char **lmv, char **gkc)
-{
+ struct lustre_sb_info *lsi = s2lsi(sb);
struct ll_sb_info *sbi = ll_s2sbi(sb);
- struct config_llog_instance cfg;
- struct lustre_profile *lprof;
- int len, err = 0;
+ char *profilenm = get_profile_name(sb);
+ int force = 1, next;
ENTRY;
- if (!lmd->lmd_profile)
- RETURN(0);
-
- if (lmd->lmd_mds[0] == '\0') {
- CERROR("no mds name\n");
- GOTO(out, err = -EINVAL);
- }
- lmd->lmd_mds_security[sizeof(lmd->lmd_mds_security) - 1] = 0;
- lmd->lmd_oss_security[sizeof(lmd->lmd_oss_security) - 1] = 0;
-
- OBD_ALLOC(sbi->ll_lmd, sizeof(*sbi->ll_lmd));
- if (sbi->ll_lmd == NULL)
- GOTO(out, err = -ENOMEM);
- memcpy(sbi->ll_lmd, lmd, sizeof(*lmd));
-
- /* generate a string unique to this super, let's try the address of the
- * super itself. */
- len = (sizeof(sb) * 2) + 1;
- OBD_ALLOC(sbi->ll_instance, len);
- if (sbi->ll_instance == NULL)
- GOTO(out, err = -ENOMEM);
- sprintf(sbi->ll_instance, "%p", sb);
-
- cfg.cfg_instance = sbi->ll_instance;
- cfg.cfg_uuid = sbi->ll_sb_uuid;
- cfg.cfg_local_nid = lmd->lmd_local_nid;
- cfg.cfg_flags |= CFG_MODIFY_UUID_FL;
- err = lustre_process_log(lmd, lmd->lmd_profile, &cfg, 0);
- if (err < 0) {
- CERROR("Unable to process log: %s\n", lmd->lmd_profile);
- GOTO(out, err);
- }
-
- lprof = class_get_profile(lmd->lmd_profile);
- if (lprof == NULL) {
- CERROR("No profile found: %s\n", lmd->lmd_profile);
- GOTO(out, err = -EINVAL);
- }
-
- OBD_ALLOC(*lov, strlen(lprof->lp_lov) +
- strlen(sbi->ll_instance) + 2);
- if (*lov == NULL)
- GOTO(out, err = -ENOMEM);
-
- sprintf(*lov, "%s-%s", lprof->lp_lov, sbi->ll_instance);
+ CDEBUG(D_VFSTRACE, "VFS Op: sb %p - %s\n", sb, profilenm);
- OBD_ALLOC(*lmv, strlen(lprof->lp_lmv) +
- strlen(sbi->ll_instance) + 2);
- if (*lmv == NULL)
- GOTO(out_free_lov, err = -ENOMEM);
+ ll_print_capa_stat(sbi);
- sprintf(*lmv, "%s-%s", lprof->lp_lmv, sbi->ll_instance);
+ sprintf(ll_instance, "%p", sb);
+ cfg.cfg_instance = ll_instance;
+ lustre_end_log(sb, NULL, &cfg);
- if (lprof->lp_gkc) {
- OBD_ALLOC(*gkc, strlen(lprof->lp_gkc) +
- strlen(sbi->ll_instance) + 2);
- if (*gkc == NULL)
- GOTO(out_free_lmv, err = -ENOMEM);
-
- sprintf(*gkc, "%s-%s", lprof->lp_gkc, sbi->ll_instance);
- }
-
- RETURN(err);
-out_free_lmv:
- OBD_FREE(*lmv, strlen(lprof->lp_lmv) +
- strlen(sbi->ll_instance) + 2);
-out_free_lov:
- OBD_FREE(*lov, strlen(lprof->lp_lov) +
- strlen(sbi->ll_instance) + 2);
-out:
- return err;
-}
-
-static int lustre_clean_profile(struct ll_sb_info *sbi, int force_umount)
-{
- struct lustre_mount_data *lmd = sbi->ll_lmd;
- struct config_llog_instance cfg;
- char *cl_prof;
- int len, err = 0;
- ENTRY;
-
- if (!lmd)
- RETURN(err);
-
- len = strlen(sbi->ll_lmd->lmd_profile) + sizeof("-clean") + 1;
-
- if (force_umount) {
- CERROR("force umount, doing manual cleanup\n");
- lustre_manual_cleanup(sbi);
- GOTO(free_lmd, 0);
-
- }
- if (sbi->ll_instance != NULL) {
- cfg.cfg_flags |= CFG_MODIFY_UUID_FL;
- cfg.cfg_instance = sbi->ll_instance;
- cfg.cfg_uuid = sbi->ll_sb_uuid;
-
- OBD_ALLOC(cl_prof, len);
- if (!cl_prof) {
- CERROR("can't allocate memory, "
- "skipping processing cleanup profile.\n");
- GOTO(free_lmd, err = -ENOMEM);
- }
-
- sprintf(cl_prof, "%s-clean", lmd->lmd_profile);
- err = lustre_process_log(lmd, cl_prof, &cfg, 0);
- if (err < 0) {
- CERROR("Unable to process log: %s\n", cl_prof);
- lustre_manual_cleanup(sbi);
+ if (sbi->ll_md_exp) {
+ obd = class_exp2obd(sbi->ll_md_exp);
+ if (obd)
+ force = obd->obd_force;
+ }
+
+ /* We need to set force before the lov_disconnect in
+ lustre_common_put_super, since l_d cleans up osc's as well. */
+ if (force) {
+ next = 0;
+ while ((obd = class_devices_in_group(&sbi->ll_sb_uuid,
+ &next)) != NULL) {
+ obd->obd_force = force;
}
- OBD_FREE(cl_prof, len);
}
- EXIT;
-free_lmd:
- if (sbi->ll_instance)
- OBD_FREE(sbi->ll_instance, strlen(sbi->ll_instance) + 1);
- OBD_FREE(sbi->ll_lmd, sizeof(*sbi->ll_lmd));
- return err;
-}
-int lustre_fill_super(struct super_block *sb, void *data, int silent)
-{
- struct lustre_mount_data * lmd = data;
- char *lov = NULL, *lmv = NULL, *gkc = NULL;
- struct ll_sb_info *sbi;
- int err;
- ENTRY;
-
- CDEBUG(D_VFSTRACE, "VFS Op: sb %p\n", sb);
- if (lmd_bad_magic(lmd))
- RETURN(-EINVAL);
-
- sbi = lustre_init_sbi(sb);
- if (!sbi)
- RETURN(-ENOMEM);
-
- sbi->ll_flags |= LL_SBI_READAHEAD;
-
- err = lustre_process_profile(sb, lmd, &lov, &lmv, &gkc);
- if (err) {
- CERROR("Can not process the profile err %d \n", err);
- GOTO(out_free, err);
- }
- if (!lov || !lmv) {
- CERROR("no osc %p or no mdc %p \n", lov, lmv);
- GOTO(out_free, err = -EINVAL);
+ if (sbi->ll_lcq) {
+ /* Only if client_common_fill_super succeeded */
+ client_common_put_super(sb);
}
- err = lustre_common_fill_super(sb, lmv, lov, gkc, lmd->lmd_async,
- lmd->lmd_mds_security,
- lmd->lmd_oss_security,
- &lmd->lmd_nllu, lmd->lmd_pag,
- &lmd->lmd_remote_flag);
-
- if (err)
- GOTO(out_free, err);
-
- EXIT;
-out_dev:
- if (lmv)
- OBD_FREE(lmv, strlen(lmv) + 1);
- if (lov)
- OBD_FREE(lov, strlen(lov) + 1);
- if (gkc)
- OBD_FREE(gkc, strlen(gkc) + 1);
-
- return err;
-out_free:
- lustre_clean_profile(sbi, 0);
- lustre_free_sbi(sb);
- goto out_dev;
-
-} /* lustre_fill_super */
+ next = 0;
+ while ((obd = class_devices_in_group(&sbi->ll_sb_uuid, &next)) !=NULL) {
+ class_manual_cleanup(obd);
+ }
-void lustre_put_super(struct super_block *sb)
-{
- struct obd_device *obd;
- struct ll_sb_info *sbi = ll_s2sbi(sb);
- int force_umount = 0;
- ENTRY;
+ if (profilenm)
+ class_del_profile(profilenm);
- CDEBUG(D_VFSTRACE, "VFS Op: sb %p\n", sb);
- obd = class_exp2obd(sbi->ll_md_exp);
- if (obd)
- force_umount = obd->obd_no_recov;
- obd = NULL;
+ ll_free_sbi(sb);
+ lsi->lsi_llsbi = NULL;
lustre_common_put_super(sb);
- lustre_clean_profile(sbi, force_umount);
- lustre_free_sbi(sb);
- EXIT;
-} /* lustre_put_super */
+ cl_env_cache_purge(~0);
-int ll_process_config_update(struct ll_sb_info *sbi, int clean)
-{
- struct lustre_mount_data *lmd = sbi->ll_lmd;
- char *profile = lmd->lmd_profile, *name = NULL;
- struct config_llog_instance cfg;
- int rc, namelen = 0, version;
- struct llog_ctxt *ctxt;
- ENTRY;
-
- if (profile == NULL)
- RETURN(0);
- if (lmd == NULL) {
- CERROR("Client not mounted with zero-conf; cannot "
- "process update log.\n");
- RETURN(0);
- }
+ LCONSOLE_WARN("client %s umount complete\n", ll_instance);
- cfg.cfg_instance = sbi->ll_instance;
- cfg.cfg_uuid = sbi->ll_sb_uuid;
- cfg.cfg_local_nid = lmd->lmd_local_nid;
- cfg.cfg_flags |= CFG_MODIFY_UUID_FL;
- namelen = strlen(profile) + 20; /* -clean-######### */
- OBD_ALLOC(name, namelen);
- if (name == NULL)
- RETURN(-ENOMEM);
+ cfs_module_put();
- if (clean) {
- version = sbi->ll_config_version - 1;
- sprintf(name, "%s-clean-%d", profile, version);
- } else {
- version = sbi->ll_config_version + 1;
- sprintf(name, "%s-%d", profile, version);
- }
-
- CWARN("Applying configuration log %s\n", name);
-
- ctxt = llog_get_context(&sbi->ll_md_exp->exp_obd->obd_llogs,
- LLOG_CONFIG_REPL_CTXT);
- rc = class_config_process_llog(ctxt, name, &cfg);
- if (rc == 0)
- sbi->ll_config_version = version;
- CWARN("Finished applying configuration log %s: %d\n", name, rc);
-
- if (rc == 0 && clean == 0) {
- struct lov_desc desc;
- __u32 valsize;
- int rc = 0;
-
- valsize = sizeof(desc);
- rc = obd_get_info(sbi->ll_dt_exp, strlen("lovdesc") + 1,
- "lovdesc", &valsize, &desc);
-
- rc = obd_init_ea_size(sbi->ll_md_exp,
- obd_size_diskmd(sbi->ll_dt_exp, NULL),
- (desc.ld_tgt_count *
- sizeof(struct llog_cookie)));
- }
- OBD_FREE(name, namelen);
- RETURN(rc);
-}
+ EXIT;
+} /* client_put_super */
struct inode *ll_inode_from_lock(struct ldlm_lock *lock)
{
struct inode *inode = NULL;
-
/* NOTE: we depend on atomic igrab() -bzzz */
lock_res_and_lock(lock);
if (lock->l_ast_data) {
if (lli->lli_inode_magic == LLI_INODE_MAGIC) {
inode = igrab(lock->l_ast_data);
} else {
- struct timeval now;
- do_gettimeofday(&now);
inode = lock->l_ast_data;
- LDLM_ERROR(lock, "granted at %lu.%lu, now %lu.%lu",
- lock->l_enqueued_time.tv_sec,
- lock->l_enqueued_time.tv_usec,
- now.tv_sec, now.tv_usec);
- CDEBUG(inode->i_state & I_FREEING ? D_INFO : D_WARNING,
- "l_ast_data %p is bogus: magic %0x8\n",
- lock->l_ast_data, lli->lli_inode_magic);
- CDEBUG(D_ERROR, "i_state = 0x%lx, l_ast_data %p is bogus: magic %0x8\n",
- inode->i_state, lock->l_ast_data, lli->lli_inode_magic);
+ ldlm_lock_debug(NULL, inode->i_state & I_FREEING ?
+ D_INFO : D_WARNING,
+ lock, __FILE__, __func__, __LINE__,
+ "l_ast_data %p is bogus: magic %08x",
+ lock->l_ast_data, lli->lli_inode_magic);
inode = NULL;
- unlock_res_and_lock(lock);
- LBUG();
}
}
unlock_res_and_lock(lock);
return inode;
}
-int null_if_equal(struct ldlm_lock *lock, void *data)
+static int null_if_equal(struct ldlm_lock *lock, void *data)
{
if (data == lock->l_ast_data) {
lock->l_ast_data = NULL;
if (lock->l_req_mode != lock->l_granted_mode)
- LDLM_ERROR(lock,"clearing inode with ungranted lock\n");
+ LDLM_ERROR(lock,"clearing inode with ungranted lock");
}
return LDLM_ITER_CONTINUE;
}
-static void remote_acl_free(struct remote_acl *racl);
-
void ll_clear_inode(struct inode *inode)
{
- struct lustre_id id;
struct ll_inode_info *lli = ll_i2info(inode);
struct ll_sb_info *sbi = ll_i2sbi(inode);
- struct obd_capa *ocapa, *tmp;
ENTRY;
CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu/%u(%p)\n", inode->i_ino,
inode->i_generation, inode);
- LASSERT(ll_is_inode_dirty(inode) == 0);
- ll_inode2id(&id, inode);
-
- clear_bit(LLI_F_HAVE_MDS_SIZE_LOCK, &(ll_i2info(inode)->lli_flags));
- md_change_cbdata(sbi->ll_md_exp, &id, null_if_equal, inode);
+ if (S_ISDIR(inode->i_mode)) {
+ /* these should have been cleared in ll_file_release */
+ LASSERT(lli->lli_sai == NULL);
+ LASSERT(lli->lli_opendir_key == NULL);
+ LASSERT(lli->lli_opendir_pid == 0);
+ }
+
+ ll_i2info(inode)->lli_flags &= ~LLIF_MDS_SIZE_LOCK;
+ md_change_cbdata(sbi->ll_md_exp, ll_inode2fid(inode),
+ null_if_equal, inode);
LASSERT(!lli->lli_open_fd_write_count);
LASSERT(!lli->lli_open_fd_read_count);
LASSERT(!lli->lli_open_fd_exec_count);
+
if (lli->lli_mds_write_och)
- ll_md_real_close(sbi->ll_md_exp, inode, FMODE_WRITE);
+ ll_md_real_close(inode, FMODE_WRITE);
if (lli->lli_mds_exec_och)
- ll_md_real_close(sbi->ll_md_exp, inode, FMODE_EXEC);
+ ll_md_real_close(inode, FMODE_EXEC);
if (lli->lli_mds_read_och)
- ll_md_real_close(sbi->ll_md_exp, inode, FMODE_READ);
- if (lli->lli_smd)
- obd_change_cbdata(sbi->ll_dt_exp, lli->lli_smd,
- null_if_equal, inode);
-
- if (lli->lli_smd) {
- obd_free_memmd(sbi->ll_dt_exp, &lli->lli_smd);
- lli->lli_smd = NULL;
- }
-
- if (lli->lli_mea) {
- obd_free_memmd(sbi->ll_md_exp,
- (struct lov_stripe_md **) &lli->lli_mea);
- lli->lli_mea = NULL;
- }
-
- LASSERT(sbi->ll_crypto_info != NULL);
- ll_crypto_destroy_inode_key(inode);
+ ll_md_real_close(inode, FMODE_READ);
if (lli->lli_symlink_name) {
OBD_FREE(lli->lli_symlink_name,
lli->lli_symlink_name = NULL;
}
- if (lli->lli_posix_acl) {
- LASSERT(lli->lli_remote_acl == NULL);
+ if (sbi->ll_flags & LL_SBI_RMT_CLIENT) {
+ LASSERT(lli->lli_posix_acl == NULL);
+ if (lli->lli_remote_perms) {
+ free_rmtperm_hash(lli->lli_remote_perms);
+ lli->lli_remote_perms = NULL;
+ }
+ }
+#ifdef CONFIG_FS_POSIX_ACL
+ else if (lli->lli_posix_acl) {
+ LASSERT(atomic_read(&lli->lli_posix_acl->a_refcount) == 1);
+ LASSERT(lli->lli_remote_perms == NULL);
posix_acl_release(lli->lli_posix_acl);
lli->lli_posix_acl = NULL;
}
+#endif
+ lli->lli_inode_magic = LLI_INODE_DEAD;
- if (lli->lli_remote_acl) {
- LASSERT(lli->lli_posix_acl == NULL);
- remote_acl_free(lli->lli_remote_acl);
- lli->lli_remote_acl = NULL;
+#ifdef HAVE_EXPORT___IGET
+ spin_lock(&sbi->ll_deathrow_lock);
+ list_del_init(&lli->lli_dead_list);
+ spin_unlock(&sbi->ll_deathrow_lock);
+#endif
+ ll_clear_inode_capas(inode);
+ /*
+ * XXX This has to be done before lsm is freed below, because
+ * cl_object still uses inode lsm.
+ */
+ cl_inode_fini(inode);
+
+ if (lli->lli_smd) {
+ obd_free_memmd(sbi->ll_dt_exp, &lli->lli_smd);
+ lli->lli_smd = NULL;
}
- list_for_each_entry_safe(ocapa, tmp, &lli->lli_capas, u.client.lli_list)
- capa_put(ocapa);
- LASSERT(!mapping_has_pages(inode->i_mapping));
- lli->lli_inode_magic = LLI_INODE_DEAD;
-
EXIT;
}
+int ll_md_setattr(struct inode *inode, struct md_op_data *op_data,
+ struct md_open_data **mod)
+{
+ struct lustre_md md;
+ struct ll_sb_info *sbi = ll_i2sbi(inode);
+ struct ptlrpc_request *request = NULL;
+ int rc;
+ ENTRY;
+
+ op_data = ll_prep_md_op_data(op_data, inode, NULL, NULL, 0, 0,
+ LUSTRE_OPC_ANY, NULL);
+ if (IS_ERR(op_data))
+ RETURN(PTR_ERR(op_data));
+
+ rc = md_setattr(sbi->ll_md_exp, op_data, NULL, 0, NULL, 0,
+ &request, mod);
+ if (rc) {
+ ptlrpc_req_finished(request);
+ if (rc == -ENOENT) {
+ inode->i_nlink = 0;
+ /* Unlinked special device node? Or just a race?
+ * Pretend we done everything. */
+ if (!S_ISREG(inode->i_mode) &&
+ !S_ISDIR(inode->i_mode))
+ rc = inode_setattr(inode, &op_data->op_attr);
+ } else if (rc != -EPERM && rc != -EACCES && rc != -ETXTBSY) {
+ CERROR("md_setattr fails: rc = %d\n", rc);
+ }
+ RETURN(rc);
+ }
+
+ rc = md_get_lustre_md(sbi->ll_md_exp, request, sbi->ll_dt_exp,
+ sbi->ll_md_exp, &md);
+ if (rc) {
+ ptlrpc_req_finished(request);
+ RETURN(rc);
+ }
+
+ /* We call inode_setattr to adjust timestamps.
+ * If there is at least some data in file, we cleared ATTR_SIZE
+ * above to avoid invoking vmtruncate, otherwise it is important
+ * to call vmtruncate in inode_setattr to update inode->i_size
+ * (bug 6196) */
+ rc = inode_setattr(inode, &op_data->op_attr);
+
+ /* Extract epoch data if obtained. */
+ op_data->op_handle = md.body->handle;
+ op_data->op_ioepoch = md.body->ioepoch;
+
+ ll_update_inode(inode, &md);
+ ptlrpc_req_finished(request);
+
+ RETURN(rc);
+}
+
+/* Close IO epoch and send Size-on-MDS attribute update. */
+static int ll_setattr_done_writing(struct inode *inode,
+ struct md_op_data *op_data,
+ struct md_open_data *mod)
+{
+ struct ll_inode_info *lli = ll_i2info(inode);
+ int rc = 0;
+ ENTRY;
+
+ LASSERT(op_data != NULL);
+ if (!S_ISREG(inode->i_mode))
+ RETURN(0);
+
+ CDEBUG(D_INODE, "Epoch "LPU64" closed on "DFID" for truncate\n",
+ op_data->op_ioepoch, PFID(&lli->lli_fid));
+
+ op_data->op_flags = MF_EPOCH_CLOSE | MF_SOM_CHANGE;
+ rc = md_done_writing(ll_i2sbi(inode)->ll_md_exp, op_data, mod);
+ if (rc == -EAGAIN) {
+ /* MDS has instructed us to obtain Size-on-MDS attribute
+ * from OSTs and send setattr to back to MDS. */
+ rc = ll_sizeonmds_update(inode, &op_data->op_handle,
+ op_data->op_ioepoch);
+ } else if (rc) {
+ CERROR("inode %lu mdc truncate failed: rc = %d\n",
+ inode->i_ino, rc);
+ }
+ RETURN(rc);
+}
+
+static int ll_setattr_do_truncate(struct inode *inode, loff_t size)
+{
+ struct obd_capa *capa = ll_osscapa_get(inode, CAPA_OPC_OSS_TRUNC);
+ int rc;
+
+ rc = cl_setattr_do_truncate(inode, size, capa);
+ ll_truncate_free_capa(capa);
+ return rc;
+}
+
+static int ll_setattr_ost(struct inode *inode)
+{
+ struct obd_capa *capa = ll_mdscapa_get(inode);
+ int rc;
+
+ rc = cl_setattr_ost(inode, capa);
+ capa_put(capa);
+
+ return rc;
+}
+
/* If this inode has objects allocated to it (lsm != NULL), then the OST
* object(s) determine the file size and mtime. Otherwise, the MDS will
* keep these values until such a time that objects are allocated for it.
*/
int ll_setattr_raw(struct inode *inode, struct iattr *attr)
{
- struct lov_stripe_md *lsm = ll_i2info(inode)->lli_smd;
struct ll_inode_info *lli = ll_i2info(inode);
- struct ll_sb_info *sbi = ll_i2sbi(inode);
- struct ptlrpc_request *request = NULL;
- struct mdc_op_data *op_data;
+ struct lov_stripe_md *lsm = lli->lli_smd;
+ struct md_op_data *op_data = NULL;
+ struct md_open_data *mod = NULL;
int ia_valid = attr->ia_valid;
- int err, rc = 0;
+ int rc = 0, rc1 = 0;
ENTRY;
- CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu\n", inode->i_ino);
- lprocfs_counter_incr(ll_i2sbi(inode)->ll_stats, LPROC_LL_SETATTR);
+ CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu valid %x\n", inode->i_ino,
+ attr->ia_valid);
+ ll_stats_ops_tally(ll_i2sbi(inode), LPROC_LL_SETATTR, 1);
if (ia_valid & ATTR_SIZE) {
if (attr->ia_size > ll_file_maxbytes(inode)) {
/* POSIX: check before ATTR_*TIME_SET set (from inode_change_ok) */
if (ia_valid & (ATTR_MTIME_SET | ATTR_ATIME_SET)) {
- if (current->fsuid != inode->i_uid && !capable(CAP_FOWNER))
+ if (current->fsuid != inode->i_uid &&
+ !cfs_capable(CFS_CAP_FOWNER))
RETURN(-EPERM);
}
attr->ia_mtime = CURRENT_TIME;
attr->ia_valid |= ATTR_MTIME_SET;
}
+ if ((attr->ia_valid & ATTR_CTIME) && !(attr->ia_valid & ATTR_MTIME)) {
+ /* To avoid stale mtime on mds, obtain it from ost and send
+ to mds. */
+ rc = cl_glimpse_size(inode);
+ if (rc)
+ RETURN(rc);
+
+ attr->ia_valid |= ATTR_MTIME_SET | ATTR_MTIME;
+ attr->ia_mtime = inode->i_mtime;
+ }
if (attr->ia_valid & (ATTR_MTIME | ATTR_CTIME))
CDEBUG(D_INODE, "setting mtime %lu, ctime %lu, now = %lu\n",
LTIME_S(attr->ia_mtime), LTIME_S(attr->ia_ctime),
- LTIME_S(CURRENT_TIME));
-
- /* If only OST attributes being set on objects, don't do MDS RPC.
- * In that case, we need to check permissions and update the local
- * inode ourselves so we can call obdo_from_inode() always. */
- if (ia_valid & (lsm ? ~(ATTR_SIZE | ATTR_FROM_OPEN /*| ATTR_RAW*/) : ~0)) {
- struct lustre_md md;
- void *key = NULL;
- int key_size = 0;
-
- OBD_ALLOC(op_data, sizeof(*op_data));
- if (op_data == NULL)
- RETURN(-ENOMEM);
- ll_inode2mdc_data(op_data, inode, (OBD_MD_FLID | OBD_MD_MEA));
-
- if (ia_valid & (ATTR_UID | ATTR_GID | ATTR_MODE)) {
- rc = ll_crypto_get_mac(inode, attr, NULL, 0, &key,
- &key_size);
- if (rc) {
- CERROR("can not get right mac, rc=%d\n", rc);
- if (key && key_size)
- OBD_FREE(key, key_size);
- RETURN(rc);
- }
- }
- rc = md_setattr(sbi->ll_md_exp, op_data,
- attr, key, key_size, NULL, 0, NULL,
- 0, &request);
- OBD_FREE(op_data, sizeof(*op_data));
-
- if (key && key_size)
- OBD_FREE(key, key_size);
- if (rc) {
- ptlrpc_req_finished(request);
- if (rc != -EPERM && rc != -EACCES)
- CERROR("md_setattr fails: rc = %d\n", rc);
- RETURN(rc);
- }
- rc = mdc_req2lustre_md(sbi->ll_md_exp, request, 0,
- sbi->ll_dt_exp, &md);
- if (rc) {
- ptlrpc_req_finished(request);
- RETURN(rc);
- }
-
- if (attr->ia_valid & ATTR_SIZE) {
- rc = ll_set_trunc_capa(request, 0, inode);
- if (rc) {
- ptlrpc_req_finished(request);
- RETURN(rc);
- }
- }
+ cfs_time_current_sec());
- /* We call inode_setattr to adjust timestamps, but we first
- * clear ATTR_SIZE to avoid invoking vmtruncate.
- *
- * NB: ATTR_SIZE will only be set at this point if the size
- * resides on the MDS, ie, this file has no objects. */
+ /* NB: ATTR_SIZE will only be set after this point if the size
+ * resides on the MDS, ie, this file has no objects. */
+ if (lsm)
attr->ia_valid &= ~ATTR_SIZE;
- /*
- * assigning inode_setattr() to @err to disable warning that
- * function's result should be checked by by caller. error is
- * impossible here, as vmtruncate() control path is disabled.
- */
- err = inode_setattr(inode, attr);
- ll_update_inode(inode, &md);
- ptlrpc_req_finished(request);
-
- if (!lsm || !S_ISREG(inode->i_mode)) {
- CDEBUG(D_INODE, "no lsm: not setting attrs on OST\n");
- RETURN(0);
- }
- } else {
- /* The OST doesn't check permissions, but the alternative is
- * a gratuitous RPC to the MDS. We already rely on the client
- * to do read/write/truncate permission checks, so is mtime OK?
- */
- if (ia_valid & (ATTR_MTIME | ATTR_ATIME)) {
- /* from sys_utime() */
- if (!(ia_valid & (ATTR_MTIME_SET | ATTR_ATIME_SET))) {
- if (current->fsuid != inode->i_uid &&
- (rc = ll_permission(inode, MAY_WRITE, NULL)) != 0)
- RETURN(rc);
- } else {
- /* from inode_change_ok() */
- if (current->fsuid != inode->i_uid &&
- !capable(CAP_FOWNER))
- RETURN(-EPERM);
- }
- }
-
- if (lsm)
- attr->ia_valid &= ~ATTR_SIZE;
-
- /* won't invoke vmtruncate, as we already cleared ATTR_SIZE */
- err = inode_setattr(inode, attr);
- /*
- * assigning inode_setattr() to @err to disable warning that
- * function's result should be checked by by caller. error is
- * impossible here, as vmtruncate() control path is disabled.
- */
- }
-
- /* We really need to get our PW lock before we change inode->i_size.
- * If we don't we can race with other i_size updaters on our node, like
- * ll_file_read. We can also race with i_size propogation to other
- * nodes through dirtying and writeback of final cached pages. This
- * last one is especially bad for racing o_append users on other
- * nodes. */
- if (ia_valid & ATTR_SIZE) {
- ldlm_policy_data_t policy = { .l_extent = {attr->ia_size,
- OBD_OBJECT_EOF } };
- struct lustre_handle lockh = { 0 };
- int err, ast_flags = 0;
- /* XXX when we fix the AST intents to pass the discard-range
- * XXX extent, make ast_flags always LDLM_AST_DISCARD_DATA
- * XXX here. */
- if (attr->ia_size == 0)
- ast_flags = LDLM_AST_DISCARD_DATA;
-
- rc = ll_extent_lock(NULL, inode, lsm, LCK_PW, &policy, &lockh,
- ast_flags, &ll_i2sbi(inode)->ll_seek_stime);
-
- if (rc != 0)
- RETURN(rc);
-
- down(&lli->lli_size_sem);
- lli->lli_size_pid = current->pid;
- rc = vmtruncate(inode, attr->ia_size);
- if (rc != 0) {
- LASSERT(atomic_read(&lli->lli_size_sem.count) <= 0);
- lli->lli_size_pid = 0;
- up(&lli->lli_size_sem);
- }
-
- err = ll_extent_unlock(NULL, inode, lsm, LCK_PW, &lockh);
- if (err) {
- CERROR("ll_extent_unlock failed: %d\n", err);
- if (!rc)
- rc = err;
- }
- } else if (ia_valid & (ATTR_MTIME | ATTR_MTIME_SET | ATTR_UID | ATTR_GID)) {
- struct obdo *oa = NULL;
-
- CDEBUG(D_INODE, "set mtime on OST inode %lu to %lu\n",
- inode->i_ino, LTIME_S(attr->ia_mtime));
-
- oa = obdo_alloc();
- if (oa == NULL)
- RETURN(-ENOMEM);
-
- oa->o_id = lsm->lsm_object_id;
- oa->o_gr = lsm->lsm_object_gr;
- oa->o_valid = OBD_MD_FLID | OBD_MD_FLGROUP;
-
- /* adding uid and gid, needed for quota */
- if (ia_valid & ATTR_UID) {
- oa->o_uid = inode->i_uid;
- oa->o_valid |= OBD_MD_FLUID;
- }
-
- if (ia_valid & ATTR_GID) {
- oa->o_gid = inode->i_gid;
- oa->o_valid |= OBD_MD_FLGID;
- }
-
- *(obdo_id(oa)) = lli->lli_id;
- oa->o_valid |= OBD_MD_FLIFID;
-
- obdo_from_inode(oa, inode, OBD_MD_FLTYPE | OBD_MD_FLATIME |
- OBD_MD_FLMTIME | OBD_MD_FLCTIME);
- rc = obd_setattr(sbi->ll_dt_exp, oa, lsm, NULL, NULL);
- obdo_free(oa);
- if (rc)
- CERROR("obd_setattr fails: rc = %d\n", rc);
- }
-
- RETURN(rc);
-}
+ /* We always do an MDS RPC, even if we're only changing the size;
+ * only the MDS knows whether truncate() should fail with -ETXTBUSY */
-int ll_setattr(struct dentry *de, struct iattr *attr)
-{
- LASSERT(de->d_inode);
- return ll_setattr_raw(de->d_inode, attr);
-}
-
-int ll_statfs_internal(struct super_block *sb, struct obd_statfs *osfs,
- unsigned long max_age)
-{
- struct ll_sb_info *sbi = ll_s2sbi(sb);
- struct obd_statfs obd_osfs;
- int rc;
- ENTRY;
-
- rc = obd_statfs(class_exp2obd(sbi->ll_md_exp), osfs, max_age);
- if (rc) {
- CERROR("obd_statfs fails: rc = %d\n", rc);
- RETURN(rc);
- }
-
- osfs->os_type = sb->s_magic;
-
- CDEBUG(D_SUPER, "MDC blocks "LPU64"/"LPU64" objects "LPU64"/"LPU64"\n",
- osfs->os_bavail, osfs->os_blocks, osfs->os_ffree,osfs->os_files);
-
- rc = obd_statfs(class_exp2obd(sbi->ll_dt_exp), &obd_osfs, max_age);
- if (rc) {
- CERROR("obd_statfs fails: rc = %d\n", rc);
- RETURN(rc);
- }
-
- CDEBUG(D_SUPER, "OSC blocks "LPU64"/"LPU64" objects "LPU64"/"LPU64"\n",
- obd_osfs.os_bavail, obd_osfs.os_blocks, obd_osfs.os_ffree,
- obd_osfs.os_files);
-
- osfs->os_blocks = obd_osfs.os_blocks;
- osfs->os_bfree = obd_osfs.os_bfree;
- osfs->os_bavail = obd_osfs.os_bavail;
-
- /* If we don't have as many objects free on the OST as inodes
- * on the MDS, we reduce the total number of inodes to
- * compensate, so that the "inodes in use" number is correct.
- */
- if (obd_osfs.os_ffree < osfs->os_ffree) {
- osfs->os_files = (osfs->os_files - osfs->os_ffree) +
- obd_osfs.os_ffree;
- osfs->os_ffree = obd_osfs.os_ffree;
- }
-
- RETURN(rc);
-}
+ OBD_ALLOC_PTR(op_data);
+ if (op_data == NULL)
+ RETURN(-ENOMEM);
-int ll_statfs(struct super_block *sb, struct kstatfs *sfs)
-{
- struct obd_statfs osfs;
- int rc;
+ memcpy(&op_data->op_attr, attr, sizeof(*attr));
- CDEBUG(D_VFSTRACE, "VFS Op: superblock %p\n", sb);
- lprocfs_counter_incr(ll_s2sbi(sb)->ll_stats, LPROC_LL_STAFS);
+ /* Open epoch for truncate. */
+ if ((ll_i2mdexp(inode)->exp_connect_flags & OBD_CONNECT_SOM) &&
+ (ia_valid & ATTR_SIZE))
+ op_data->op_flags = MF_EPOCH_OPEN;
- /* For now we will always get up-to-date statfs values, but in the
- * future we may allow some amount of caching on the client (e.g.
- * from QOS or lprocfs updates). */
- rc = ll_statfs_internal(sb, &osfs, jiffies - 1);
+ rc = ll_md_setattr(inode, op_data, &mod);
if (rc)
- return rc;
-
- statfs_unpack(sfs, &osfs);
-
- if (sizeof(sfs->f_blocks) == 4) {
- while (osfs.os_blocks > ~0UL) {
- sfs->f_bsize <<= 1;
-
- osfs.os_blocks >>= 1;
- osfs.os_bfree >>= 1;
- osfs.os_bavail >>= 1;
- }
- }
-
- sfs->f_blocks = osfs.os_blocks;
- sfs->f_bfree = osfs.os_bfree;
- sfs->f_bavail = osfs.os_bavail;
-
- return 0;
-}
-
-
-/********************************
- * remote acl *
- ********************************/
-
-static struct remote_acl *remote_acl_alloc(void)
-{
- struct remote_acl *racl;
- int i;
-
- OBD_ALLOC(racl, sizeof(*racl));
- if (!racl)
- return NULL;
-
- spin_lock_init(&racl->ra_lock);
- init_MUTEX(&racl->ra_update_sem);
-
- for (i = 0; i < REMOTE_ACL_HASHSIZE; i++)
- INIT_LIST_HEAD(&racl->ra_perm_cache[i]);
-
- return racl;
-}
-
-/*
- * caller should guarantee no race here.
- */
-static void remote_perm_flush_xperms(struct lustre_remote_perm *perm)
-{
- struct remote_perm_setxid *xperm;
-
- while (!list_empty(&perm->lrp_setxid_perms)) {
- xperm = list_entry(perm->lrp_setxid_perms.next,
- struct remote_perm_setxid,
- list);
- list_del(&xperm->list);
- OBD_FREE(xperm, sizeof(*xperm));
- }
-}
+ GOTO(out, rc);
-/*
- * caller should guarantee no race here.
- */
-static void remote_acl_flush(struct remote_acl *racl)
-{
- struct list_head *head;
- struct lustre_remote_perm *perm, *tmp;
- int i;
-
- for (i = 0; i < REMOTE_ACL_HASHSIZE; i++) {
- head = &racl->ra_perm_cache[i];
-
- list_for_each_entry_safe(perm, tmp, head, lrp_list) {
- remote_perm_flush_xperms(perm);
- list_del(&perm->lrp_list);
- OBD_FREE(perm, sizeof(*perm));
- }
+ ll_ioepoch_open(lli, op_data->op_ioepoch);
+ if (!lsm || !S_ISREG(inode->i_mode)) {
+ CDEBUG(D_INODE, "no lsm: not setting attrs on OST\n");
+ GOTO(out, rc = 0);
}
-}
-
-static void remote_acl_free(struct remote_acl *racl)
-{
- if (!racl)
- return;
-
- down(&racl->ra_update_sem);
- spin_lock(&racl->ra_lock);
- remote_acl_flush(racl);
- spin_unlock(&racl->ra_lock);
- up(&racl->ra_update_sem);
- OBD_FREE(racl, sizeof(*racl));
-}
-
-static inline int remote_acl_hashfunc(__u32 id)
-{
- return (id & (REMOTE_ACL_HASHSIZE - 1));
-}
-
-static
-int __remote_acl_check(struct remote_acl *racl, unsigned int *perm)
-{
- struct list_head *head;
- struct lustre_remote_perm *lperm;
- struct remote_perm_setxid *xperm;
- int found = 0, rc = -ENOENT;
-
- LASSERT(racl);
- head = &racl->ra_perm_cache[remote_acl_hashfunc(current->uid)];
- spin_lock(&racl->ra_lock);
-
- list_for_each_entry(lperm, head, lrp_list) {
- if (lperm->lrp_auth_uid == current->uid) {
- found = 1;
- break;
- }
- }
-
- if (!found)
- goto out;
-
- if (lperm->lrp_auth_uid == current->fsuid &&
- lperm->lrp_auth_gid == current->fsgid) {
- if (lperm->lrp_valid) {
- *perm = lperm->lrp_perm;
- rc = 0;
- }
- goto out;
- } else if ((!lperm->lrp_setuid &&
- lperm->lrp_auth_uid != current->fsuid) ||
- (!lperm->lrp_setgid &&
- lperm->lrp_auth_gid != current->fsgid)) {
- *perm = 0;
- rc = 0;
- goto out;
- }
-
- list_for_each_entry(xperm, &lperm->lrp_setxid_perms, list) {
- if (xperm->uid == current->fsuid &&
- xperm->gid == current->fsgid) {
- *perm = xperm->perm;
- rc = 0;
- goto out;
- }
- }
-
-out:
- spin_unlock(&racl->ra_lock);
- return rc;
-}
-
-static
-int __remote_acl_update(struct remote_acl *racl,
- struct mds_remote_perm *mperm,
- struct lustre_remote_perm *lperm,
- struct remote_perm_setxid *xperm)
-{
- struct list_head *head;
- struct lustre_remote_perm *lp;
- struct remote_perm_setxid *xp;
- int found = 0, setuid = 0, setgid = 0;
-
- LASSERT(racl);
- LASSERT(mperm);
- LASSERT(lperm);
- LASSERT(current->uid == mperm->mrp_auth_uid);
-
- if (current->fsuid != mperm->mrp_auth_uid)
- setuid = 1;
- if (current->fsgid != mperm->mrp_auth_gid)
- setgid = 1;
-
- head = &racl->ra_perm_cache[remote_acl_hashfunc(current->uid)];
- spin_lock(&racl->ra_lock);
-
- list_for_each_entry(lp, head, lrp_list) {
- if (lp->lrp_auth_uid == current->uid) {
- found = 1;
- break;
- }
- }
-
- if (found) {
- OBD_FREE(lperm, sizeof(*lperm));
-
- if (!lp->lrp_valid && !setuid && !setgid) {
- lp->lrp_perm = mperm->mrp_perm;
- lp->lrp_valid = 1;
- }
-
- /* sanity check for changes of setxid rules */
- if ((lp->lrp_setuid != 0) != (mperm->mrp_allow_setuid != 0)) {
- CWARN("setuid changes: %d => %d\n",
- (lp->lrp_setuid != 0),
- (mperm->mrp_allow_setuid != 0));
- lp->lrp_setuid = (mperm->mrp_allow_setuid != 0);
- }
-
- if ((lp->lrp_setgid != 0) != (mperm->mrp_allow_setgid != 0)) {
- CWARN("setgid changes: %d => %d\n",
- (lp->lrp_setgid != 0),
- (mperm->mrp_allow_setgid != 0));
- lp->lrp_setgid = (mperm->mrp_allow_setgid != 0);
- }
-
- if (!lp->lrp_setuid && !lp->lrp_setgid &&
- !list_empty(&lp->lrp_setxid_perms)) {
- remote_perm_flush_xperms(lp);
- }
- } else {
- /* initialize lperm and linked into hashtable
- */
- INIT_LIST_HEAD(&lperm->lrp_setxid_perms);
- lperm->lrp_auth_uid = mperm->mrp_auth_uid;
- lperm->lrp_auth_gid = mperm->mrp_auth_gid;
- lperm->lrp_setuid = (mperm->mrp_allow_setuid != 0);
- lperm->lrp_setgid = (mperm->mrp_allow_setgid != 0);
- list_add(&lperm->lrp_list, head);
-
- if (!setuid && !setgid) {
- /* in this case, i'm the authenticated user,
- * and mrp_perm is for me.
- */
- lperm->lrp_perm = mperm->mrp_perm;
- lperm->lrp_valid = 1;
- spin_unlock(&racl->ra_lock);
-
- if (xperm)
- OBD_FREE(xperm, sizeof(*xperm));
- return 0;
- }
-
- lp = lperm;
- /* fall through */
- }
-
- LASSERT(lp->lrp_setuid || lp->lrp_setgid ||
- list_empty(&lp->lrp_setxid_perms));
-
- /* if no xperm supplied, we are all done here */
- if (!xperm) {
- spin_unlock(&racl->ra_lock);
- return 0;
- }
-
- /* whether we allow setuid/setgid */
- if ((!lp->lrp_setuid && setuid) || (!lp->lrp_setgid && setgid)) {
- OBD_FREE(xperm, sizeof(*xperm));
- spin_unlock(&racl->ra_lock);
- return 0;
+ if (ia_valid & ATTR_SIZE)
+ rc = ll_setattr_do_truncate(inode, attr->ia_size);
+ else if (ia_valid & (ATTR_MTIME | ATTR_MTIME_SET)) {
+ CDEBUG(D_INODE, "set mtime on OST inode %lu to %lu\n",
+ inode->i_ino, LTIME_S(attr->ia_mtime));
+ rc = ll_setattr_ost(inode);
}
-
- /* traverse xperm list */
- list_for_each_entry(xp, &lp->lrp_setxid_perms, list) {
- if (xp->uid == current->fsuid &&
- xp->gid == current->fsgid) {
- if (xp->perm != mperm->mrp_perm) {
- /* actually this should not happen */
- CWARN("perm changed: %o => %o\n",
- xp->perm, mperm->mrp_perm);
- xp->perm = mperm->mrp_perm;
- }
- OBD_FREE(xperm, sizeof(*xperm));
- spin_unlock(&racl->ra_lock);
- return 0;
- }
+ EXIT;
+out:
+ if (op_data) {
+ if (op_data->op_ioepoch)
+ rc1 = ll_setattr_done_writing(inode, op_data, mod);
+ ll_finish_md_op_data(op_data);
}
-
- /* finally insert this xperm */
- xperm->uid = current->fsuid;
- xperm->gid = current->fsgid;
- xperm->perm = mperm->mrp_perm;
- list_add(&xperm->list, &lp->lrp_setxid_perms);
-
- spin_unlock(&racl->ra_lock);
- return 0;
+ return rc ? rc : rc1;
}
-/*
- * remote_acl semaphore must be held by caller
- */
-static
-int remote_acl_update_locked(struct remote_acl *racl,
- struct mds_remote_perm *mperm)
+int ll_setattr(struct dentry *de, struct iattr *attr)
{
- struct lustre_remote_perm *lperm;
- struct remote_perm_setxid *xperm;
- int setuid = 0, setgid = 0;
+ if ((attr->ia_valid & (ATTR_CTIME|ATTR_SIZE|ATTR_MODE)) ==
+ (ATTR_CTIME|ATTR_SIZE|ATTR_MODE))
+ attr->ia_valid |= MDS_OPEN_OWNEROVERRIDE;
- might_sleep();
+ if ((de->d_inode->i_mode & S_ISUID) &&
+ !(attr->ia_mode & S_ISUID) &&
+ !(attr->ia_valid & ATTR_KILL_SUID))
+ attr->ia_valid |= ATTR_KILL_SUID;
- if (current->uid != mperm->mrp_auth_uid) {
- CERROR("current uid %u while authenticated as %u\n",
- current->uid, mperm->mrp_auth_uid);
- return -EINVAL;
- }
+ if (((de->d_inode->i_mode & (S_ISGID|S_IXGRP)) == (S_ISGID|S_IXGRP)) &&
+ !(attr->ia_mode & S_ISGID) &&
+ !(attr->ia_valid & ATTR_KILL_SGID))
+ attr->ia_valid |= ATTR_KILL_SGID;
- if (current->fsuid != mperm->mrp_auth_uid)
- setuid = 1;
- if (current->fsgid == mperm->mrp_auth_gid)
- setgid = 1;
+ return ll_setattr_raw(de->d_inode, attr);
+}
- OBD_ALLOC(lperm, sizeof(*lperm));
- if (!lperm)
- return -ENOMEM;
+int ll_statfs_internal(struct super_block *sb, struct obd_statfs *osfs,
+ __u64 max_age, __u32 flags)
+{
+ struct ll_sb_info *sbi = ll_s2sbi(sb);
+ struct obd_statfs obd_osfs;
+ int rc;
+ ENTRY;
- if ((setuid || setgid) &&
- !(setuid && !mperm->mrp_allow_setuid) &&
- !(setgid && !mperm->mrp_allow_setgid)) {
- OBD_ALLOC(xperm, sizeof(*xperm));
- if (!xperm) {
- OBD_FREE(lperm, sizeof(*lperm));
- return -ENOMEM;
- }
- } else
- xperm = NULL;
+ rc = obd_statfs(class_exp2obd(sbi->ll_md_exp), osfs, max_age, flags);
+ if (rc) {
+ CERROR("md_statfs fails: rc = %d\n", rc);
+ RETURN(rc);
+ }
- return __remote_acl_update(racl, mperm, lperm, xperm);
-}
+ osfs->os_type = sb->s_magic;
-/*
- * return -EACCES at any error cases
- */
-int ll_remote_acl_permission(struct inode *inode, int mode)
-{
- struct ll_sb_info *sbi = ll_i2sbi(inode);
- struct remote_acl *racl = ll_i2info(inode)->lli_remote_acl;
- struct ptlrpc_request *req = NULL;
- struct lustre_id id;
- struct mds_remote_perm *mperm;
- int rc = -EACCES, perm;
+ CDEBUG(D_SUPER, "MDC blocks "LPU64"/"LPU64" objects "LPU64"/"LPU64"\n",
+ osfs->os_bavail, osfs->os_blocks, osfs->os_ffree,osfs->os_files);
- if (!racl)
- return -EACCES;
+ if (sbi->ll_flags & LL_SBI_LAZYSTATFS)
+ flags |= OBD_STATFS_NODELAY;
- if (__remote_acl_check(racl, &perm) == 0) {
- return ((perm & mode) == mode ? 0 : -EACCES);
+ rc = obd_statfs_rqset(class_exp2obd(sbi->ll_dt_exp),
+ &obd_osfs, max_age, flags);
+ if (rc) {
+ CERROR("obd_statfs fails: rc = %d\n", rc);
+ RETURN(rc);
}
- might_sleep();
+ CDEBUG(D_SUPER, "OSC blocks "LPU64"/"LPU64" objects "LPU64"/"LPU64"\n",
+ obd_osfs.os_bavail, obd_osfs.os_blocks, obd_osfs.os_ffree,
+ obd_osfs.os_files);
- /* doing update
- */
- down(&racl->ra_update_sem);
+ osfs->os_bsize = obd_osfs.os_bsize;
+ osfs->os_blocks = obd_osfs.os_blocks;
+ osfs->os_bfree = obd_osfs.os_bfree;
+ osfs->os_bavail = obd_osfs.os_bavail;
- /* we might lose the race when obtain semaphore,
- * so check again.
+ /* If we don't have as many objects free on the OST as inodes
+ * on the MDS, we reduce the total number of inodes to
+ * compensate, so that the "inodes in use" number is correct.
*/
- if (__remote_acl_check(racl, &perm) == 0) {
- if ((perm & mode) == mode)
- rc = 0;
- goto out;
+ if (obd_osfs.os_ffree < osfs->os_ffree) {
+ osfs->os_files = (osfs->os_files - osfs->os_ffree) +
+ obd_osfs.os_ffree;
+ osfs->os_ffree = obd_osfs.os_ffree;
}
- /* really fetch from mds
- */
- ll_inode2id(&id, inode);
- if (md_access_check(sbi->ll_md_exp, &id, &req))
- goto out;
-
- /* status non-zero indicate there's more apparent error
- * detected by mds, e.g. didn't allow this user at all.
- * we simply ignore and didn't cache it.
- */
- if (req->rq_repmsg->status)
- goto out;
+ RETURN(rc);
+}
+#ifndef HAVE_STATFS_DENTRY_PARAM
+int ll_statfs(struct super_block *sb, struct kstatfs *sfs)
+{
+#else
+int ll_statfs(struct dentry *de, struct kstatfs *sfs)
+{
+ struct super_block *sb = de->d_sb;
+#endif
+ struct obd_statfs osfs;
+ int rc;
- mperm = lustre_swab_repbuf(req, 1, sizeof(*mperm),
- lustre_swab_remote_perm);
- LASSERT(mperm);
- LASSERT_REPSWABBED(req, 1);
+ CDEBUG(D_VFSTRACE, "VFS Op: at "LPU64" jiffies\n", get_jiffies_64());
+ ll_stats_ops_tally(ll_s2sbi(sb), LPROC_LL_STAFS, 1);
- if ((mperm->mrp_perm & mode) == mode)
- rc = 0;
+ /* For now we will always get up-to-date statfs values, but in the
+ * future we may allow some amount of caching on the client (e.g.
+ * from QOS or lprocfs updates). */
+ rc = ll_statfs_internal(sb, &osfs, cfs_time_current_64() - 1, 0);
+ if (rc)
+ return rc;
- remote_acl_update_locked(racl, mperm);
-out:
- if (req)
- ptlrpc_req_finished(req);
+ statfs_unpack(sfs, &osfs);
- up(&racl->ra_update_sem);
- return rc;
-}
+ /* We need to downshift for all 32-bit kernels, because we can't
+ * tell if the kernel is being called via sys_statfs64() or not.
+ * Stop before overflowing f_bsize - in which case it is better
+ * to just risk EOVERFLOW if caller is using old sys_statfs(). */
+ if (sizeof(long) < 8) {
+ while (osfs.os_blocks > ~0UL && sfs->f_bsize < 0x40000000) {
+ sfs->f_bsize <<= 1;
-int ll_remote_acl_update(struct inode *inode, struct mds_remote_perm *perm)
-{
- struct remote_acl *racl = ll_i2info(inode)->lli_remote_acl;
- int rc;
+ osfs.os_blocks >>= 1;
+ osfs.os_bfree >>= 1;
+ osfs.os_bavail >>= 1;
+ }
+ }
- LASSERT(perm);
+ sfs->f_blocks = osfs.os_blocks;
+ sfs->f_bfree = osfs.os_bfree;
+ sfs->f_bavail = osfs.os_bavail;
- if (!racl)
- return -EACCES;
+ return 0;
+}
- down(&racl->ra_update_sem);
- rc = remote_acl_update_locked(racl, perm);
- up(&racl->ra_update_sem);
+void ll_inode_size_lock(struct inode *inode, int lock_lsm)
+{
+ struct ll_inode_info *lli;
+ struct lov_stripe_md *lsm;
+
+ lli = ll_i2info(inode);
+ LASSERT(lli->lli_size_sem_owner != current);
+ down(&lli->lli_size_sem);
+ LASSERT(lli->lli_size_sem_owner == NULL);
+ lli->lli_size_sem_owner = current;
+ lsm = lli->lli_smd;
+ LASSERTF(lsm != NULL || lock_lsm == 0, "lsm %p, lock_lsm %d\n",
+ lsm, lock_lsm);
+ if (lock_lsm)
+ lov_stripe_lock(lsm);
+}
- return rc;
+void ll_inode_size_unlock(struct inode *inode, int unlock_lsm)
+{
+ struct ll_inode_info *lli;
+ struct lov_stripe_md *lsm;
+
+ lli = ll_i2info(inode);
+ lsm = lli->lli_smd;
+ LASSERTF(lsm != NULL || unlock_lsm == 0, "lsm %p, lock_lsm %d\n",
+ lsm, unlock_lsm);
+ if (unlock_lsm)
+ lov_stripe_unlock(lsm);
+ LASSERT(lli->lli_size_sem_owner == current);
+ lli->lli_size_sem_owner = NULL;
+ up(&lli->lli_size_sem);
}
-void ll_inode_invalidate_acl(struct inode *inode)
+static void ll_replace_lsm(struct inode *inode, struct lov_stripe_md *lsm)
{
- struct ll_sb_info *sbi = ll_i2sbi(inode);
struct ll_inode_info *lli = ll_i2info(inode);
- if (sbi->ll_remote) {
- struct remote_acl *racl = lli->lli_remote_acl;
-
- LASSERT(!lli->lli_posix_acl);
- if (racl) {
- down(&racl->ra_update_sem);
- spin_lock(&racl->ra_lock);
- remote_acl_flush(lli->lli_remote_acl);
- spin_unlock(&racl->ra_lock);
- up(&racl->ra_update_sem);
- }
- } else {
- /* we can't invalide acl here: suppose we touch a new file
- * under a dir, blocking ast on dir will lead to open failure
- * on client, although succeed on mds. it's kind of weird,
- * the real fix i think is improve client-vfs interaction.
- *
- * currently we just do nothing here.
- */
- return;
-
- LASSERT(!lli->lli_remote_acl);
- spin_lock(&lli->lli_lock);
- posix_acl_release(lli->lli_posix_acl);
- lli->lli_posix_acl = NULL;
- spin_unlock(&lli->lli_lock);
- }
+ dump_lsm(D_INODE, lsm);
+ dump_lsm(D_INODE, lli->lli_smd);
+ LASSERTF(lsm->lsm_magic == LOV_MAGIC_JOIN,
+ "lsm must be joined lsm %p\n", lsm);
+ obd_free_memmd(ll_i2dtexp(inode), &lli->lli_smd);
+ CDEBUG(D_INODE, "replace lsm %p to lli_smd %p for inode %lu%u(%p)\n",
+ lsm, lli->lli_smd, inode->i_ino, inode->i_generation, inode);
+ lli->lli_smd = lsm;
+ lli->lli_maxbytes = lsm->lsm_maxbytes;
+ if (lli->lli_maxbytes > PAGE_CACHE_MAXBYTES)
+ lli->lli_maxbytes = PAGE_CACHE_MAXBYTES;
}
void ll_update_inode(struct inode *inode, struct lustre_md *md)
{
struct ll_inode_info *lli = ll_i2info(inode);
+ struct mdt_body *body = md->body;
struct lov_stripe_md *lsm = md->lsm;
- struct mds_body *body = md->body;
- struct mea *mea = md->mea;
- struct posix_acl *posix_acl = md->posix_acl;
struct ll_sb_info *sbi = ll_i2sbi(inode);
- struct lustre_key *mkey = md->key;
- ENTRY;
- LASSERT((lsm != NULL) == ((body->valid & OBD_MD_FLEASIZE) != 0));
-
- if (md->lsm && md->lsm->lsm_magic != LOV_MAGIC) {
- /* check for default striping info for dir. */
- LASSERT((mea != NULL) == ((body->valid & OBD_MD_FLDIREA) != 0));
- }
-
+ LASSERT ((lsm != NULL) == ((body->valid & OBD_MD_FLEASIZE) != 0));
if (lsm != NULL) {
- LASSERT(lsm->lsm_object_gr > 0);
if (lli->lli_smd == NULL) {
+ if (lsm->lsm_magic != LOV_MAGIC_V1 &&
+ lsm->lsm_magic != LOV_MAGIC_V3 &&
+ lsm->lsm_magic != LOV_MAGIC_JOIN) {
+ dump_lsm(D_ERROR, lsm);
+ LBUG();
+ }
+ CDEBUG(D_INODE, "adding lsm %p to inode %lu/%u(%p)\n",
+ lsm, inode->i_ino, inode->i_generation, inode);
+ cl_inode_init(inode, md);
+ /* ll_inode_size_lock() requires it is only
+ * called with lli_smd != NULL or lock_lsm == 0
+ * or we can race between lock/unlock.
+ * bug 9547 */
lli->lli_smd = lsm;
lli->lli_maxbytes = lsm->lsm_maxbytes;
if (lli->lli_maxbytes > PAGE_CACHE_MAXBYTES)
lli->lli_maxbytes = PAGE_CACHE_MAXBYTES;
} else {
- int i;
- if (memcmp(lli->lli_smd, lsm, sizeof(*lsm))) {
- CERROR("lsm mismatch for inode %ld\n",
- inode->i_ino);
- CERROR("lli_smd:\n");
- dump_lsm(D_ERROR, lli->lli_smd);
- CERROR("lsm:\n");
- dump_lsm(D_ERROR, lsm);
- LBUG();
- }
- /* XXX FIXME -- We should decide on a safer (atomic) and
- * more elegant way to update the lsm */
- for (i = 0; i < lsm->lsm_stripe_count; i++) {
- lli->lli_smd->lsm_oinfo[i].loi_id =
- lsm->lsm_oinfo[i].loi_id;
- lli->lli_smd->lsm_oinfo[i].loi_gr =
- lsm->lsm_oinfo[i].loi_gr;
- lli->lli_smd->lsm_oinfo[i].loi_ost_idx =
- lsm->lsm_oinfo[i].loi_ost_idx;
- lli->lli_smd->lsm_oinfo[i].loi_ost_gen =
- lsm->lsm_oinfo[i].loi_ost_gen;
+ if (lli->lli_smd->lsm_magic == lsm->lsm_magic &&
+ lli->lli_smd->lsm_stripe_count ==
+ lsm->lsm_stripe_count) {
+ if (lov_stripe_md_cmp(lli->lli_smd, lsm)) {
+ CERROR("lsm mismatch for inode %ld\n",
+ inode->i_ino);
+ CERROR("lli_smd:\n");
+ dump_lsm(D_ERROR, lli->lli_smd);
+ CERROR("lsm:\n");
+ dump_lsm(D_ERROR, lsm);
+ LBUG();
+ }
+ } else {
+ cl_inode_init(inode, md);
+ ll_replace_lsm(inode, lsm);
}
}
- /* bug 2844 - limit i_blksize for broken user-space apps */
- LASSERTF(lsm->lsm_xfersize != 0, "%lu\n", lsm->lsm_xfersize);
- inode->i_blksize = min(lsm->lsm_xfersize, LL_MAX_BLKSIZE);
if (lli->lli_smd != lsm)
obd_free_memmd(ll_i2dtexp(inode), &lsm);
}
- if (mea != NULL) {
- if (lli->lli_mea == NULL) {
- lli->lli_mea = mea;
- } else {
- if (memcmp(lli->lli_mea, mea, body->eadatasize)) {
- CERROR("mea mismatch for inode %lu\n",
- inode->i_ino);
- LBUG();
- }
- }
- if (lli->lli_mea != mea)
- obd_free_memmd(ll_i2mdexp(inode),
- (struct lov_stripe_md **) &mea);
- }
-
- if (body->valid & OBD_MD_FID)
- id_assign_fid(&lli->lli_id, &body->id1);
-
- if (body->valid & OBD_MD_FLID)
- id_ino(&lli->lli_id) = id_ino(&body->id1);
-
- if (body->valid & OBD_MD_FLGENER)
- id_gen(&lli->lli_id) = id_gen(&body->id1);
-
- /* local/remote ACL */
- if (sbi->ll_remote) {
- LASSERT(md->posix_acl == NULL);
- if (md->remote_perm) {
- ll_remote_acl_update(inode, md->remote_perm);
- OBD_FREE(md->remote_perm, sizeof(*md->remote_perm));
- md->remote_perm = NULL;
- }
- } else {
- LASSERT(md->remote_perm == NULL);
+ if (sbi->ll_flags & LL_SBI_RMT_CLIENT) {
+ if (body->valid & OBD_MD_FLRMTPERM)
+ ll_update_remote_perm(inode, md->remote_perm);
+ }
+#ifdef CONFIG_FS_POSIX_ACL
+ else if (body->valid & OBD_MD_FLACL) {
spin_lock(&lli->lli_lock);
- if (posix_acl != NULL) {
- if (lli->lli_posix_acl != NULL)
- posix_acl_release(lli->lli_posix_acl);
- lli->lli_posix_acl = posix_acl;
- }
+ if (lli->lli_posix_acl)
+ posix_acl_release(lli->lli_posix_acl);
+ lli->lli_posix_acl = md->posix_acl;
spin_unlock(&lli->lli_lock);
}
+#endif
+ inode->i_ino = ll_fid_build_ino(sbi, &body->fid1);
+ inode->i_generation = ll_fid_build_gen(sbi, &body->fid1);
- if (body->valid & OBD_MD_FLID)
- inode->i_ino = id_ino(&body->id1);
- if (body->valid & OBD_MD_FLGENER)
- inode->i_generation = id_gen(&body->id1);
- if (body->valid & OBD_MD_FLATIME)
+ if (body->valid & OBD_MD_FLATIME &&
+ body->atime > LTIME_S(inode->i_atime))
LTIME_S(inode->i_atime) = body->atime;
- if (body->valid & OBD_MD_FLMTIME &&
- body->mtime > LTIME_S(inode->i_mtime)) {
- CDEBUG(D_INODE, "setting ino %lu mtime from %lu to %u\n",
- inode->i_ino, LTIME_S(inode->i_mtime), body->mtime);
- LTIME_S(inode->i_mtime) = body->mtime;
- }
+
+ /* mtime is always updated with ctime, but can be set in past.
+ As write and utime(2) may happen within 1 second, and utime's
+ mtime has a priority over write's one, so take mtime from mds
+ for the same ctimes. */
if (body->valid & OBD_MD_FLCTIME &&
- body->ctime > LTIME_S(inode->i_ctime))
+ body->ctime >= LTIME_S(inode->i_ctime)) {
LTIME_S(inode->i_ctime) = body->ctime;
- if (body->valid & OBD_MD_FLMODE) {
- inode->i_mode = (inode->i_mode & S_IFMT) |
- (body->mode & ~S_IFMT);
+ if (body->valid & OBD_MD_FLMTIME) {
+ CDEBUG(D_INODE, "setting ino %lu mtime "
+ "from %lu to "LPU64"\n", inode->i_ino,
+ LTIME_S(inode->i_mtime), body->mtime);
+ LTIME_S(inode->i_mtime) = body->mtime;
+ }
}
- if (body->valid & OBD_MD_FLTYPE) {
- inode->i_mode = (inode->i_mode & ~S_IFMT) |
- (body->mode & S_IFMT);
+ if (body->valid & OBD_MD_FLMODE)
+ inode->i_mode = (inode->i_mode & S_IFMT)|(body->mode & ~S_IFMT);
+ if (body->valid & OBD_MD_FLTYPE)
+ inode->i_mode = (inode->i_mode & ~S_IFMT)|(body->mode & S_IFMT);
+ LASSERT(inode->i_mode != 0);
+ if (S_ISREG(inode->i_mode)) {
+ inode->i_blkbits = min(PTLRPC_MAX_BRW_BITS + 1, LL_MAX_BLKSIZE_BITS);
+ } else {
+ inode->i_blkbits = inode->i_sb->s_blocksize_bits;
}
+#ifdef HAVE_INODE_BLKSIZE
+ inode->i_blksize = 1<<inode->i_blkbits;
+#endif
if (body->valid & OBD_MD_FLUID)
inode->i_uid = body->uid;
if (body->valid & OBD_MD_FLGID)
inode->i_gid = body->gid;
if (body->valid & OBD_MD_FLFLAGS)
- inode->i_flags = body->flags;
+ inode->i_flags = ll_ext_to_inode_flags(body->flags);
if (body->valid & OBD_MD_FLNLINK)
inode->i_nlink = body->nlink;
if (body->valid & OBD_MD_FLRDEV)
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
- inode->i_rdev = body->rdev;
-#else
inode->i_rdev = old_decode_dev(body->rdev);
-#endif
- if (body->valid & OBD_MD_FLSIZE)
- inode->i_size = body->size;
- if (body->valid & OBD_MD_FLBLOCKS)
- inode->i_blocks = body->blocks;
-
- if (body->valid & OBD_MD_FLSIZE)
- set_bit(LLI_F_HAVE_MDS_SIZE_LOCK, &lli->lli_flags);
-
- if (body->valid & OBD_MD_FLAUDIT) {
- struct ll_sb_info * sbi = ll_s2sbi(inode->i_sb);
- if (IS_AUDIT_OP(body->audit, AUDIT_FS))
- sbi->ll_audit_mask = body->audit;
- else
- lli->lli_audit_mask = body->audit;
- }
- if (mkey != NULL) {
- LASSERT(body->valid & OBD_MD_FLKEY);
- ll_crypto_init_inode_key(inode, mkey);
+ if (body->valid & OBD_MD_FLID) {
+ /* FID shouldn't be changed! */
+ if (fid_is_sane(&lli->lli_fid)) {
+ LASSERTF(lu_fid_eq(&lli->lli_fid, &body->fid1),
+ "Trying to change FID "DFID
+ " to the "DFID", inode %lu/%u(%p)\n",
+ PFID(&lli->lli_fid), PFID(&body->fid1),
+ inode->i_ino, inode->i_generation, inode);
+ } else
+ lli->lli_fid = body->fid1;
+ }
+
+ LASSERT(fid_seq(&lli->lli_fid) != 0);
+
+ if (body->valid & OBD_MD_FLSIZE) {
+ if (exp_connect_som(ll_i2mdexp(inode)) &&
+ S_ISREG(inode->i_mode) && lli->lli_smd) {
+ struct lustre_handle lockh;
+ ldlm_mode_t mode;
+
+ /* As it is possible a blocking ast has been processed
+ * by this time, we need to check there is an UPDATE
+ * lock on the client and set LLIF_MDS_SIZE_LOCK holding
+ * it. */
+ mode = ll_take_md_lock(inode, MDS_INODELOCK_UPDATE,
+ &lockh);
+ if (mode) {
+ if (lli->lli_flags & (LLIF_DONE_WRITING |
+ LLIF_EPOCH_PENDING |
+ LLIF_SOM_DIRTY)) {
+ CERROR("ino %lu flags %lu still has "
+ "size authority! do not trust "
+ "the size got from MDS\n",
+ inode->i_ino, lli->lli_flags);
+ } else {
+ /* Use old size assignment to avoid
+ * deadlock bz14138 & bz14326 */
+ inode->i_size = body->size;
+ lli->lli_flags |= LLIF_MDS_SIZE_LOCK;
+ }
+ ldlm_lock_decref(&lockh, mode);
+ }
+ } else {
+ /* Use old size assignment to avoid
+ * deadlock bz14138 & bz14326 */
+ inode->i_size = body->size;
+ }
+
+ if (body->valid & OBD_MD_FLBLOCKS)
+ inode->i_blocks = body->blocks;
}
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
- inode->i_dev = (kdev_t)id_group(&lli->lli_id);
-#endif
- LASSERT(id_fid(&lli->lli_id) != 0);
+ if (body->valid & OBD_MD_FLMDSCAPA) {
+ LASSERT(md->mds_capa);
+ ll_add_capa(inode, md->mds_capa);
+ }
+ if (body->valid & OBD_MD_FLOSSCAPA) {
+ LASSERT(md->oss_capa);
+ ll_add_capa(inode, md->oss_capa);
+ }
}
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
static struct backing_dev_info ll_backing_dev_info = {
.ra_pages = 0, /* No readahead */
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,12))
+ .capabilities = 0, /* Does contribute to dirty memory */
+#else
.memory_backed = 0, /* Does contribute to dirty memory */
-};
#endif
+};
void ll_read_inode2(struct inode *inode, void *opaque)
{
struct ll_inode_info *lli = ll_i2info(inode);
ENTRY;
- CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu/%u(%p)\n", inode->i_ino,
- inode->i_generation, inode);
+ CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu/%u(%p)\n",
+ inode->i_ino, inode->i_generation, inode);
ll_lli_init(lli);
LASSERT(!lli->lli_smd);
- if (ll_i2sbi(inode)->ll_remote) {
- lli->lli_remote_acl = remote_acl_alloc();
- /* if failed alloc, nobody will be able to access this inode */
- }
-
/* Core attributes from the MDS first. This is a new inode, and
* the VFS doesn't zero times in the core inode so we have to do
* it ourselves. They will be overwritten by either MDS or OST
LTIME_S(inode->i_mtime) = 0;
LTIME_S(inode->i_atime) = 0;
LTIME_S(inode->i_ctime) = 0;
-
inode->i_rdev = 0;
ll_update_inode(inode, md);
/* OIDEBUG(inode); */
if (S_ISREG(inode->i_mode)) {
+ struct ll_sb_info *sbi = ll_i2sbi(inode);
inode->i_op = &ll_file_inode_operations;
- inode->i_fop = &ll_file_operations;
+ inode->i_fop = sbi->ll_fop;
inode->i_mapping->a_ops = &ll_aops;
EXIT;
} else if (S_ISDIR(inode->i_mode)) {
} else {
inode->i_op = &ll_special_inode_operations;
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
init_special_inode(inode, inode->i_mode,
kdev_t_to_nr(inode->i_rdev));
/* initializing backing dev info. */
inode->i_mapping->backing_dev_info = &ll_backing_dev_info;
-#else
- init_special_inode(inode, inode->i_mode, inode->i_rdev);
-#endif
- lli->ll_save_ifop = inode->i_fop;
-
- if (S_ISCHR(inode->i_mode))
- inode->i_fop = &ll_special_chr_inode_fops;
- else if (S_ISBLK(inode->i_mode))
- inode->i_fop = &ll_special_blk_inode_fops;
- else if (S_ISFIFO(inode->i_mode))
- inode->i_fop = &ll_special_fifo_inode_fops;
- else if (S_ISSOCK(inode->i_mode))
- inode->i_fop = &ll_special_sock_inode_fops;
-
- CWARN("saved %p, replaced with %p\n", lli->ll_save_ifop,
- inode->i_fop);
-
- if (lli->ll_save_ifop->owner) {
- CWARN("%p has owner %p\n", lli->ll_save_ifop,
- lli->ll_save_ifop->owner);
- }
+
EXIT;
}
}
void ll_delete_inode(struct inode *inode)
{
struct ll_sb_info *sbi = ll_i2sbi(inode);
- struct lustre_id id;
int rc;
ENTRY;
- ll_inode2id(&id, inode);
-
- rc = md_delete_inode(sbi->ll_md_exp, &id);
+ rc = obd_fid_delete(sbi->ll_md_exp, ll_inode2fid(inode));
if (rc) {
- CERROR("md_delete_inode() failed, error %d\n",
- rc);
+ CERROR("fid_delete() failed, rc %d\n", rc);
}
-
+ truncate_inode_pages(&inode->i_data, 0);
clear_inode(inode);
+
EXIT;
}
switch(cmd) {
case EXT3_IOC_GETFLAGS: {
- struct lustre_id id;
- __u64 valid = OBD_MD_FLFLAGS;
- struct mds_body *body;
+ struct mdt_body *body;
+ struct obd_capa *oc;
- ll_inode2id(&id, inode);
- rc = md_getattr(sbi->ll_md_exp, &id, valid, NULL, NULL,
- 0, 0, NULL, &req);
+ oc = ll_mdscapa_get(inode);
+ rc = md_getattr(sbi->ll_md_exp, ll_inode2fid(inode), oc,
+ OBD_MD_FLFLAGS, 0, &req);
+ capa_put(oc);
if (rc) {
CERROR("failure %d inode %lu\n", rc, inode->i_ino);
RETURN(-abs(rc));
}
- body = lustre_msg_buf(req->rq_repmsg, 0, sizeof(*body));
+ body = req_capsule_server_get(&req->rq_pill, &RMF_MDT_BODY);
- if (body->flags & S_APPEND)
- flags |= EXT3_APPEND_FL;
- if (body->flags & S_IMMUTABLE)
- flags |= EXT3_IMMUTABLE_FL;
- if (body->flags & S_NOATIME)
- flags |= EXT3_NOATIME_FL;
+ flags = body->flags;
- ptlrpc_req_finished (req);
+ ptlrpc_req_finished(req);
RETURN(put_user(flags, (int *)arg));
}
case EXT3_IOC_SETFLAGS: {
- struct mdc_op_data *op_data;
- struct iattr attr;
- struct obdo *oa;
struct lov_stripe_md *lsm = ll_i2info(inode)->lli_smd;
+ struct obd_info oinfo = { { { 0 } } };
+ struct md_op_data *op_data;
if (get_user(flags, (int *)arg))
RETURN(-EFAULT);
- oa = obdo_alloc();
- if (!oa)
- RETURN(-ENOMEM);
-
- OBD_ALLOC(op_data, sizeof(*op_data));
- if (op_data == NULL) {
- obdo_free(oa);
+ oinfo.oi_md = lsm;
+ OBDO_ALLOC(oinfo.oi_oa);
+ if (!oinfo.oi_oa)
RETURN(-ENOMEM);
- }
- ll_inode2mdc_data(op_data, inode, (OBD_MD_FLID | OBD_MD_MEA));
- memset(&attr, 0x0, sizeof(attr));
- attr.ia_attr_flags = flags;
- attr.ia_valid |= ATTR_ATTR_FLAG;
+ op_data = ll_prep_md_op_data(NULL, inode, NULL, NULL, 0, 0,
+ LUSTRE_OPC_ANY, NULL);
+ if (IS_ERR(op_data))
+ RETURN(PTR_ERR(op_data));
+ ((struct ll_iattr *)&op_data->op_attr)->ia_attr_flags = flags;
+ op_data->op_attr.ia_valid |= ATTR_ATTR_FLAG;
rc = md_setattr(sbi->ll_md_exp, op_data,
- &attr, NULL, 0, NULL, 0, NULL, 0, &req);
- OBD_FREE(op_data, sizeof(*op_data));
- if (rc) {
- ptlrpc_req_finished(req);
- if (rc != -EPERM && rc != -EACCES)
- CERROR("md_setattr fails: rc = %d\n", rc);
- obdo_free(oa);
+ NULL, 0, NULL, 0, &req, NULL);
+ ll_finish_md_op_data(op_data);
+ ptlrpc_req_finished(req);
+ if (rc || lsm == NULL) {
+ OBDO_FREE(oinfo.oi_oa);
RETURN(rc);
}
- ptlrpc_req_finished(req);
- oa->o_id = lsm->lsm_object_id;
- oa->o_gr = lsm->lsm_object_gr;
- oa->o_flags = flags;
- *(obdo_id(oa)) = ll_i2info(inode)->lli_id;
- oa->o_valid = OBD_MD_FLID | OBD_MD_FLFLAGS | OBD_MD_FLGROUP
- | OBD_MD_FLIFID;
-
- rc = obd_setattr(sbi->ll_dt_exp, oa, lsm, NULL, NULL);
- obdo_free(oa);
+ oinfo.oi_oa->o_id = lsm->lsm_object_id;
+ oinfo.oi_oa->o_gr = lsm->lsm_object_gr;
+ oinfo.oi_oa->o_flags = flags;
+ oinfo.oi_oa->o_valid = OBD_MD_FLID | OBD_MD_FLFLAGS |
+ OBD_MD_FLGROUP;
+ oinfo.oi_capa = ll_mdscapa_get(inode);
+
+ obdo_from_inode(oinfo.oi_oa, inode,
+ OBD_MD_FLFID | OBD_MD_FLGENER);
+ rc = obd_setattr_rqset(sbi->ll_dt_exp, &oinfo, NULL);
+ capa_put(oinfo.oi_capa);
+ OBDO_FREE(oinfo.oi_oa);
if (rc) {
if (rc != -EPERM && rc != -EACCES)
- CERROR("md_setattr fails: rc = %d\n", rc);
+ CERROR("md_setattr_async fails: rc = %d\n", rc);
RETURN(rc);
}
- if (flags & EXT3_APPEND_FL)
- inode->i_flags |= S_APPEND;
- else
- inode->i_flags &= ~S_APPEND;
- if (flags & EXT3_IMMUTABLE_FL)
- inode->i_flags |= S_IMMUTABLE;
- else
- inode->i_flags &= ~S_IMMUTABLE;
- if (flags & EXT3_NOATIME_FL)
- inode->i_flags |= S_NOATIME;
- else
- inode->i_flags &= ~S_NOATIME;
-
+ inode->i_flags = ll_ext_to_inode_flags(flags |
+ MDS_BFLAG_EXT_FLAGS);
RETURN(0);
}
default:
RETURN(0);
}
-/* this is only called in the case of forced umount. */
+int ll_flush_ctx(struct inode *inode)
+{
+ struct ll_sb_info *sbi = ll_i2sbi(inode);
+
+ CDEBUG(D_SEC, "flush context for user %d\n", current->uid);
+
+ obd_set_info_async(sbi->ll_md_exp,
+ sizeof(KEY_FLUSH_CTX), KEY_FLUSH_CTX,
+ 0, NULL, NULL);
+ obd_set_info_async(sbi->ll_dt_exp,
+ sizeof(KEY_FLUSH_CTX), KEY_FLUSH_CTX,
+ 0, NULL, NULL);
+ return 0;
+}
+
+/* umount -f client means force down, don't save state */
+#ifdef HAVE_UMOUNTBEGIN_VFSMOUNT
+void ll_umount_begin(struct vfsmount *vfsmnt, int flags)
+{
+ struct super_block *sb = vfsmnt->mnt_sb;
+#else
void ll_umount_begin(struct super_block *sb)
{
+#endif
+ struct lustre_sb_info *lsi = s2lsi(sb);
struct ll_sb_info *sbi = ll_s2sbi(sb);
- struct obd_ioctl_data ioc_data = { 0 };
struct obd_device *obd;
+ struct obd_ioctl_data ioc_data = { 0 };
ENTRY;
-
+
+#ifdef HAVE_UMOUNTBEGIN_VFSMOUNT
+ if (!(flags & MNT_FORCE)) {
+ EXIT;
+ return;
+ }
+#endif
+
+ /* Tell the MGC we got umount -f */
+ lsi->lsi_flags |= LSI_UMOUNT_FORCE;
+
CDEBUG(D_VFSTRACE, "VFS Op: superblock %p count %d active %d\n", sb,
sb->s_count, atomic_read(&sb->s_active));
-
+
obd = class_exp2obd(sbi->ll_md_exp);
if (obd == NULL) {
CERROR("Invalid MDC connection handle "LPX64"\n",
EXIT;
return;
}
- obd->obd_no_recov = 1;
- obd_iocontrol(IOC_OSC_SET_ACTIVE, sbi->ll_md_exp,
- sizeof(ioc_data), &ioc_data, NULL);
+ obd->obd_force = 1;
+ obd_iocontrol(IOC_OSC_SET_ACTIVE, sbi->ll_md_exp, sizeof ioc_data,
+ &ioc_data, NULL);
obd = class_exp2obd(sbi->ll_dt_exp);
if (obd == NULL) {
return;
}
- obd->obd_no_recov = 1;
- obd_iocontrol(IOC_OSC_SET_ACTIVE, sbi->ll_dt_exp,
- sizeof(ioc_data), &ioc_data, NULL);
+ obd->obd_force = 1;
+ obd_iocontrol(IOC_OSC_SET_ACTIVE, sbi->ll_dt_exp, sizeof ioc_data,
+ &ioc_data, NULL);
- /*
- * really, we'd like to wait until there are no requests outstanding,
+ /* Really, we'd like to wait until there are no requests outstanding,
* and then continue. For now, we just invalidate the requests,
- * schedule, and hope.
+ * schedule() and sleep one second if needed, and hope.
*/
schedule();
+#ifdef HAVE_UMOUNTBEGIN_VFSMOUNT
+ if (atomic_read(&vfsmnt->mnt_count) > 2) {
+ cfs_schedule_timeout(CFS_TASK_INTERRUPTIBLE,
+ cfs_time_seconds(1));
+ if (atomic_read(&vfsmnt->mnt_count) > 2)
+ LCONSOLE_WARN("Mount still busy with %d refs! You "
+ "may try to umount it a bit later\n",
+ atomic_read(&vfsmnt->mnt_count));
+ }
+#endif
EXIT;
}
-int ll_prep_inode(struct obd_export *dt_exp, struct obd_export *md_exp,
- struct inode **inode, struct ptlrpc_request *req,
- int offset, struct super_block *sb)
+int ll_remount_fs(struct super_block *sb, int *flags, char *data)
+{
+ struct ll_sb_info *sbi = ll_s2sbi(sb);
+ int err;
+ __u32 read_only;
+
+ if ((*flags & MS_RDONLY) != (sb->s_flags & MS_RDONLY)) {
+ read_only = *flags & MS_RDONLY;
+ err = obd_set_info_async(sbi->ll_md_exp,
+ sizeof(KEY_READ_ONLY),
+ KEY_READ_ONLY, sizeof(read_only),
+ &read_only, NULL);
+ if (err) {
+ CERROR("Failed to change the read-only flag during "
+ "remount: %d\n", err);
+ return err;
+ }
+
+ if (read_only)
+ sb->s_flags |= MS_RDONLY;
+ else
+ sb->s_flags &= ~MS_RDONLY;
+ }
+ return 0;
+}
+
+int ll_prep_inode(struct inode **inode,
+ struct ptlrpc_request *req,
+ struct super_block *sb)
{
+ struct ll_sb_info *sbi = NULL;
struct lustre_md md;
- int rc = 0;
+ int rc;
+ ENTRY;
- rc = mdc_req2lustre_md(md_exp, req, offset, dt_exp, &md);
+ LASSERT(*inode || sb);
+ sbi = sb ? ll_s2sbi(sb) : ll_i2sbi(*inode);
+ prune_deathrow(sbi, 1);
+ memset(&md, 0, sizeof(struct lustre_md));
+
+ rc = md_get_lustre_md(sbi->ll_md_exp, req, sbi->ll_dt_exp,
+ sbi->ll_md_exp, &md);
if (rc)
RETURN(rc);
if (*inode) {
ll_update_inode(*inode, &md);
} else {
- LASSERT(sb);
- *inode = ll_iget(sb, id_ino(&md.body->id1), &md);
- if (*inode == NULL || is_bad_inode(*inode)) {
- /* free the lsm if we allocated one above */
- if (md.lsm != NULL)
- obd_free_memmd(dt_exp, &md.lsm);
- if (md.mea != NULL)
- obd_free_memmd(md_exp,
- (struct lov_stripe_md**)&md.mea);
- rc = -ENOMEM;
+ LASSERT(sb != NULL);
+
+ /*
+ * At this point server returns to client's same fid as client
+ * generated for creating. So using ->fid1 is okay here.
+ */
+ LASSERT(fid_is_sane(&md.body->fid1));
+
+ *inode = ll_iget(sb, ll_fid_build_ino(sbi, &md.body->fid1),&md);
+ if (*inode == NULL || IS_ERR(*inode)) {
+ if (md.lsm)
+ obd_free_memmd(sbi->ll_dt_exp, &md.lsm);
+#ifdef CONFIG_FS_POSIX_ACL
+ if (md.posix_acl) {
+ posix_acl_release(md.posix_acl);
+ md.posix_acl = NULL;
+ }
+#endif
+ rc = IS_ERR(*inode) ? PTR_ERR(*inode) : -ENOMEM;
+ *inode = NULL;
CERROR("new_inode -fatal: rc %d\n", rc);
+ GOTO(out, rc);
}
}
+ rc = obd_checkmd(sbi->ll_dt_exp, sbi->ll_md_exp,
+ ll_i2info(*inode)->lli_smd);
+out:
+ md_free_lustre_md(sbi->ll_md_exp, &md);
RETURN(rc);
}
-int ll_show_options(struct seq_file *m, struct vfsmount *mnt)
+int ll_obd_statfs(struct inode *inode, void *arg)
{
- struct ll_sb_info *sbi = ll_s2sbi(mnt->mnt_sb);
- struct lustre_mount_data *lmd = sbi->ll_lmd;
+ struct ll_sb_info *sbi = NULL;
+ struct obd_export *exp;
+ char *buf = NULL;
+ struct obd_ioctl_data *data = NULL;
+ __u32 type;
+ int len = 0, rc;
- if (lmd) {
- seq_printf(m, ",mds_sec=%s,oss_sec=%s",
- lmd->lmd_mds_security, lmd->lmd_oss_security);
- }
- seq_printf(m, ",%s", sbi->ll_remote ? "remote" : "local");
- if (sbi->ll_remote && lmd)
- seq_printf(m, ",nllu=%u:%u", lmd->lmd_nllu, lmd->lmd_nllg);
+ if (!inode || !(sbi = ll_i2sbi(inode)))
+ GOTO(out_statfs, rc = -EINVAL);
- if (lmd && lmd->lmd_pag)
- seq_printf(m, ",pag");
+ rc = obd_ioctl_getdata(&buf, &len, arg);
+ if (rc)
+ GOTO(out_statfs, rc);
+
+ data = (void*)buf;
+ if (!data->ioc_inlbuf1 || !data->ioc_inlbuf2 ||
+ !data->ioc_pbuf1 || !data->ioc_pbuf2)
+ GOTO(out_statfs, rc = -EINVAL);
+
+ memcpy(&type, data->ioc_inlbuf1, sizeof(__u32));
+ if (type == LL_STATFS_MDC)
+ exp = sbi->ll_md_exp;
+ else if (type == LL_STATFS_LOV)
+ exp = sbi->ll_dt_exp;
+ else
+ GOTO(out_statfs, rc = -ENODEV);
- return 0;
+ rc = obd_iocontrol(IOC_OBD_STATFS, exp, len, buf, NULL);
+ if (rc)
+ GOTO(out_statfs, rc);
+out_statfs:
+ if (buf)
+ obd_ioctl_freedata(buf, len);
+ return rc;
}
-int ll_get_fid(struct obd_export *exp, struct lustre_id *idp,
- char *filename, struct lustre_id *ret)
+int ll_process_config(struct lustre_cfg *lcfg)
{
- struct ptlrpc_request *request = NULL;
- struct mds_body *body;
- int rc;
+ char *ptr;
+ void *sb;
+ struct lprocfs_static_vars lvars;
+ unsigned long x;
+ int rc = 0;
- rc = md_getattr_lock(exp, idp, filename, strlen(filename) + 1,
- OBD_MD_FID, 0, &request);
- if (rc < 0) {
- CDEBUG(D_INFO, "md_getattr_lock failed on %s: rc %d\n",
- filename, rc);
- return rc;
- }
+ lprocfs_llite_init_vars(&lvars);
- body = lustre_msg_buf(request->rq_repmsg, 0, sizeof(*body));
- LASSERT(body != NULL);
- LASSERT_REPSWABBED(request, 0);
+ /* The instance name contains the sb: lustre-client-aacfe000 */
+ ptr = strrchr(lustre_cfg_string(lcfg, 0), '-');
+ if (!ptr || !*(++ptr))
+ return -EINVAL;
+ if (sscanf(ptr, "%lx", &x) != 1)
+ return -EINVAL;
+ sb = (void *)x;
+ /* This better be a real Lustre superblock! */
+ LASSERT(s2lsi((struct super_block *)sb)->lsi_lmd->lmd_magic == LMD_MAGIC);
+
+ /* Note we have not called client_common_fill_super yet, so
+ proc fns must be able to handle that! */
+ rc = class_process_proc_param(PARAM_LLITE, lvars.obd_vars,
+ lcfg, sb);
+ if (rc > 0)
+ rc = 0;
+ return(rc);
+}
- *ret = body->id1;
- ptlrpc_req_finished(request);
+/* this function prepares md_op_data hint for passing ot down to MD stack. */
+struct md_op_data * ll_prep_md_op_data(struct md_op_data *op_data,
+ struct inode *i1, struct inode *i2,
+ const char *name, int namelen,
+ int mode, __u32 opc, void *data)
+{
+ LASSERT(i1 != NULL);
- return rc;
+ if (namelen > ll_i2sbi(i1)->ll_namelen)
+ return ERR_PTR(-ENAMETOOLONG);
+
+ if (op_data == NULL)
+ OBD_ALLOC_PTR(op_data);
+
+ if (op_data == NULL)
+ return ERR_PTR(-ENOMEM);
+
+ ll_i2gids(op_data->op_suppgids, i1, i2);
+ op_data->op_fid1 = *ll_inode2fid(i1);
+ op_data->op_capa1 = ll_mdscapa_get(i1);
+
+ if (i2) {
+ op_data->op_fid2 = *ll_inode2fid(i2);
+ op_data->op_capa2 = ll_mdscapa_get(i2);
+ } else {
+ fid_zero(&op_data->op_fid2);
+ op_data->op_capa2 = NULL;
+ }
+
+ op_data->op_name = name;
+ op_data->op_namelen = namelen;
+ op_data->op_mode = mode;
+ op_data->op_mod_time = cfs_time_current_sec();
+ op_data->op_fsuid = current->fsuid;
+ op_data->op_fsgid = current->fsgid;
+ op_data->op_cap = cfs_curproc_cap_pack();
+ op_data->op_bias = MDS_CHECK_SPLIT;
+ op_data->op_opc = opc;
+ op_data->op_mds = 0;
+ op_data->op_data = data;
+
+ return op_data;
}
-int ll_flush_cred(struct inode *inode)
+
+void ll_finish_md_op_data(struct md_op_data *op_data)
{
- struct ll_sb_info *sbi = ll_i2sbi(inode);
- int rc = 0;
+ capa_put(op_data->op_capa1);
+ capa_put(op_data->op_capa2);
+ OBD_FREE_PTR(op_data);
+}
- /* XXX to avoid adding api, we simply use set_info() interface
- * to notify underlying obds. set_info() is more like a ioctl() now...
- */
- if (sbi->ll_md_exp) {
- rc = obd_set_info(sbi->ll_md_exp,
- strlen("flush_cred"), "flush_cred",
- 0, NULL);
- if (rc)
- return rc;
- }
+int ll_show_options(struct seq_file *seq, struct vfsmount *vfs)
+{
+ struct ll_sb_info *sbi;
- if (sbi->ll_dt_exp) {
- rc = obd_set_info(sbi->ll_dt_exp,
- strlen("flush_cred"), "flush_cred",
- 0, NULL);
- if (rc)
- return rc;
- }
+ LASSERT((seq != NULL) && (vfs != NULL));
+ sbi = ll_s2sbi(vfs->mnt_sb);
- return rc;
+ if (sbi->ll_flags & LL_SBI_NOLCK)
+ seq_puts(seq, ",nolock");
+
+ if (sbi->ll_flags & LL_SBI_FLOCK)
+ seq_puts(seq, ",flock");
+
+ if (sbi->ll_flags & LL_SBI_LOCALFLOCK)
+ seq_puts(seq, ",localflock");
+
+ if (sbi->ll_flags & LL_SBI_USER_XATTR)
+ seq_puts(seq, ",user_xattr");
+
+ if (sbi->ll_flags & LL_SBI_ACL)
+ seq_puts(seq, ",acl");
+
+ if (sbi->ll_flags & LL_SBI_LAZYSTATFS)
+ seq_puts(seq, ",lazystatfs");
+
+ RETURN(0);
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff