#define DEBUG_SUBSYSTEM S_LLITE
#include <linux/module.h>
+#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/init.h>
-#include <linux/fs.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 "llite_internal.h"
kmem_cache_t *ll_file_data_slab;
+kmem_cache_t *ll_intent_slab;
extern struct address_space_operations ll_aops;
extern struct address_space_operations ll_dir_aops;
-extern struct super_operations ll_super_operations;
#ifndef log2
#define log2(n) ffz(~(n))
#endif
-char *ll_read_opt(const char *opt, char *data)
+struct ll_sb_info *lustre_init_sbi(struct super_block *sb)
{
- char *value;
- char *retval;
+ struct ll_sb_info *sbi = NULL;
+ class_uuid_t uuid;
ENTRY;
- CDEBUG(D_SUPER, "option: %s, data %s\n", opt, data);
- if (strncmp(opt, data, strlen(opt)))
- RETURN(NULL);
- if ((value = strchr(data, '=')) == NULL)
- RETURN(NULL);
-
- value++;
- OBD_ALLOC(retval, strlen(value) + 1);
- if (!retval) {
- CERROR("out of memory!\n");
+ OBD_ALLOC(sbi, sizeof(*sbi));
+ if (!sbi)
RETURN(NULL);
- }
-
- memcpy(retval, value, strlen(value)+1);
- CDEBUG(D_SUPER, "Assigned option: %s, value %s\n", opt, retval);
- RETURN(retval);
-}
-
-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);
+ 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
- RETURN(fl);
+ sbi->ll_ra_info.ra_max_pages = SBI_DEFAULT_RA_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);
+ class_uuid_unparse(uuid, &sbi->ll_sb_uuid);
+ RETURN(sbi);
}
-void ll_options(char *options, char **ost, char **mds, int *flags)
+void lustre_free_sbi(struct super_block *sb)
{
- char *this_char;
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
- char *opt_ptr = options;
-#endif
+ struct ll_sb_info *sbi = ll_s2sbi(sb);
ENTRY;
- if (!options) {
- EXIT;
- return;
- }
-
-#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 ((!*ost && (*ost = ll_read_opt("osc", this_char)))||
- (!*mds && (*mds = ll_read_opt("mdc", this_char)))||
- (!(*flags & LL_SBI_NOLCK) &&
- ((*flags) = (*flags) |
- ll_set_opt("nolock", this_char, LL_SBI_NOLCK))))
- continue;
+ if (sbi != NULL) {
+ list_del(&sbi->ll_gns_sbi_head);
+ del_timer(&sbi->ll_gns_timer);
+ OBD_FREE(sbi, sizeof(*sbi));
}
+ ll_set_sbi(sb, NULL);
EXIT;
}
-void ll_lli_init(struct ll_inode_info *lli)
+int lustre_init_dt_desc(struct ll_sb_info *sbi)
{
- sema_init(&lli->lli_open_sem, 1);
- spin_lock_init(&lli->lli_read_extent_lock);
- INIT_LIST_HEAD(&lli->lli_read_extents);
- lli->lli_flags = 0;
- lli->lli_maxbytes = PAGE_CACHE_MAXBYTES;
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
- ll_lldo_init(&lli->lli_dirty);
- spin_lock_init(&lli->lli_pg_lock);
- INIT_LIST_HEAD(&lli->lli_lc_item);
- plist_init(&lli->lli_pl_read);
- plist_init(&lli->lli_pl_write);
- atomic_set(&lli->lli_in_writepages, 0);
-#endif
+ __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);
}
-int ll_fill_super(struct super_block *sb, void *data, int silent)
+static int lustre_connect_mds(struct super_block *sb, char *lmv,
+ struct obd_connect_data *data,
+ char *mds_security, int async, int pag)
{
- struct inode *root = 0;
- struct obd_device *obd;
- struct ll_sb_info *sbi;
- char *osc = NULL;
- char *mdc = NULL;
- int err;
- struct ll_fid rootfid;
+ struct ll_sb_info *sbi = ll_s2sbi(sb);
+ struct lustre_handle md_conn = {0, };
+ struct obd_device *md_obd;
struct obd_statfs osfs;
- struct ptlrpc_request *request = NULL;
- struct ptlrpc_connection *mdc_conn;
- struct lustre_md md;
- class_uuid_t uuid;
-
- ENTRY;
+ 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);
+ RETURN(-EINVAL);
+ }
- CDEBUG(D_VFSTRACE, "VFS Op: sb %p\n", sb);
- OBD_ALLOC(sbi, sizeof(*sbi));
- if (!sbi)
- RETURN(-ENOMEM);
+ obd_set_info(md_obd->obd_self_export, strlen("async"), "async",
+ sizeof(async), &async);
- INIT_LIST_HEAD(&sbi->ll_conn_chain);
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
- INIT_LIST_HEAD(&sbi->ll_orphan_dentry_list);
- sb->u.generic_sbp = sbi;
-#else
- INIT_HLIST_HEAD(&sbi->ll_orphan_dentry_list);
- spin_lock_init(&sbi->ll_iostats.fis_lock);
- ll_s2sbi(sb) = sbi;
-#endif
- generate_random_uuid(uuid);
- class_uuid_unparse(uuid, &sbi->ll_sb_uuid);
+ 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);
+ }
- ll_options(data, &osc, &mdc, &sbi->ll_flags);
+ 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);
+ }
+ }
- if (!osc) {
- CERROR("no osc\n");
- GOTO(out_free, err = -EINVAL);
+ err = obd_connect(&md_conn, md_obd, &sbi->ll_sb_uuid, data,
+ OBD_OPT_REAL_CLIENT);
+ 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);
+ GOTO(out, err);
+ } else if (err) {
+ CERROR("cannot connect to %s: rc = %d\n", lmv, err);
+ GOTO(out, err);
}
- if (!mdc) {
- CERROR("no mdc\n");
- GOTO(out_free, err = -EINVAL);
+ sbi->ll_md_exp = class_conn2export(&md_conn);
+
+ err = obd_statfs(md_obd, &osfs, jiffies - HZ);
+ if (err)
+ GOTO(out_disconnect, err);
+
+ if (!osfs.os_bsize) {
+ CERROR("Invalid block size is detected.");
+ GOTO(out_disconnect, err);
}
- obd = class_name2obd(mdc);
- if (!obd) {
- CERROR("MDC %s: not setup or attached\n", mdc);
- GOTO(out_free, err = -EINVAL);
+ sb->s_magic = LL_SUPER_MAGIC;
+ sb->s_blocksize = osfs.os_bsize;
+ sb->s_blocksize_bits = log2(osfs.os_bsize);
+ sb->s_maxbytes = PAGE_CACHE_MAXBYTES;
+
+ /* 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;
}
+#endif
- err = obd_connect(&sbi->ll_mdc_conn, obd, &sbi->ll_sb_uuid);
+ /* 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("cannot connect to %s: rc = %d\n", mdc, err);
- GOTO(out_free, err);
+ CERROR("fail to obtain remote flag\n");
+ GOTO(out_disconnect, err);
}
- err = obd_statfs(obd, &osfs, jiffies - HZ);
+out_disconnect:
if (err)
- GOTO(out_mdc, err);
-
- LASSERT(osfs.os_bsize);
- sb->s_blocksize = osfs.os_bsize;
- sb->s_blocksize_bits = log2(osfs.os_bsize);
- sb->s_magic = LL_SUPER_MAGIC;
- sb->s_maxbytes = PAGE_CACHE_MAXBYTES;
+ obd_disconnect(sbi->ll_md_exp, 0);
+out:
+ RETURN(err);
+}
- mdc_conn = sbi2mdc(sbi)->cl_import->imp_connection;
+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;
- obd = class_name2obd(osc);
+ obd = class_name2obd(lov);
if (!obd) {
- CERROR("OSC %s: not setup or attached\n", osc);
- GOTO(out_mdc, err);
+ CERROR("OSC %s: not setup or attached\n", lov);
+ GOTO(out, err = -EINVAL);
}
+ obd_set_info(obd->obd_self_export, strlen("async"), "async",
+ sizeof(async), &async);
+
+ if (oss_security == NULL)
+ oss_security = "null";
- err = obd_connect(&sbi->ll_osc_conn, obd, &sbi->ll_sb_uuid);
+ err = obd_set_info(obd->obd_self_export, strlen("sec"), "sec",
+ strlen(oss_security), oss_security);
if (err) {
- CERROR("cannot connect to %s: rc = %d\n", osc, err);
- GOTO(out_mdc, err);
+ CERROR("LOV %s: failed to set security %s, err %d\n",
+ lov, oss_security, err);
+ RETURN(err);
}
- err = mdc_getstatus(&sbi->ll_mdc_conn, &rootfid);
+ /* 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;
+
+ err = obd_set_info(obd->obd_self_export,
+ strlen("sec_flags"), "sec_flags",
+ sizeof(sec_flags), &sec_flags);
if (err) {
- CERROR("cannot mds_connect: rc = %d\n", err);
- GOTO(out_osc, err);
+ OBD_FREE(data, sizeof(*data));
+ RETURN(err);
+ }
+
+ err = obd_connect(&dt_conn, obd, &sbi->ll_sb_uuid, data, 0);
+ 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);
+ } else if (err) {
+ CERROR("cannot connect to %s: rc = %d\n", lov, err);
+ GOTO(out, err);
+ }
+ sbi->ll_dt_exp = class_conn2export(&dt_conn);
+
+ err = lustre_init_dt_desc(sbi);
+
+ if (err) {
+ CWARN("init dt_desc error %d \n", err);
+ GOTO(out, err = 0);
}
- CDEBUG(D_SUPER, "rootfid "LPU64"\n", rootfid.id);
- sbi->ll_rootino = rootfid.id;
+ 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);
+}
- sb->s_op = &ll_super_operations;
+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;
- /* make root inode
- * XXX: move this to after cbd setup? */
- err = mdc_getattr(&sbi->ll_mdc_conn, &rootfid,
- OBD_MD_FLNOTOBD|OBD_MD_FLBLOCKS, 0, &request);
+ err = md_getstatus(sbi->ll_md_exp, &sbi->ll_rootid);
if (err) {
- CERROR("mdc_getattr failed for root: rc = %d\n", err);
- GOTO(out_osc, err);
+ CERROR("cannot mds_connect: rc = %d\n", err);
+ GOTO(out, err);
}
+ CDEBUG(D_SUPER, "rootid "DLID4"\n", OLID4(&sbi->ll_rootid));
- /* initialize committed transaction callback daemon */
- spin_lock_init(&sbi->ll_commitcbd_lock);
- init_waitqueue_head(&sbi->ll_commitcbd_waitq);
- init_waitqueue_head(&sbi->ll_commitcbd_ctl_waitq);
- sbi->ll_commitcbd_flags = 0;
- err = ll_commitcbd_setup(sbi);
+ 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);
if (err) {
- CERROR("failed to start commit callback daemon: rc = %d\n",err);
- ptlrpc_req_finished (request);
- GOTO(out_lliod, err);
+ CERROR("md_getattr failed for root: rc = %d\n", err);
+ GOTO(out, err);
}
- err = mdc_req2lustre_md(request, 0, &sbi->ll_osc_conn, &md);
+ err = mdc_req2lustre_md(sbi->ll_md_exp, request, 0,
+ sbi->ll_dt_exp, &md);
if (err) {
- CERROR("failed to understand root inode md: rc = %d\n",err);
- ptlrpc_req_finished (request);
- GOTO(out_lliod, err);
+ CERROR("failed to understand root inode md: rc = %d\n", err);
+ ptlrpc_req_finished(request);
+ GOTO(out, err);
}
- LASSERT(sbi->ll_rootino != 0);
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
- root = iget4(sb, sbi->ll_rootino, NULL, &md);
-#else
- root = ll_iget(sb, sbi->ll_rootino, &md);
-#endif
+ LASSERT(id_ino(&sbi->ll_rootid) != 0);
+ root = ll_iget(sb, id_ino(&sbi->ll_rootid), &md);
ptlrpc_req_finished(request);
if (root == NULL || is_bad_inode(root)) {
- /* XXX might need iput() for bad inode */
+ 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);
CERROR("lustre_lite: bad iget4 for root\n");
- GOTO(out_cbd, err = -EBADF);
+ GOTO(out_root, err = -EBADF);
}
+ sb->s_root = d_alloc_root(root);
+ sb->s_root->d_op = &ll_d_ops;
+out_root:
+ if (err)
+ iput(root);
+out:
+ RETURN(err);
+}
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
- /* initialize the pagecache writeback thread */
- err = lliod_start(sbi, root);
- if (err) {
- CERROR("failed to start lliod: rc = %d\n",err);
- GOTO(out_root, sb = NULL);
+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)
+{
+ struct ll_sb_info *sbi = ll_s2sbi(sb);
+ struct obd_connect_data *data;
+ int err;
+ ENTRY;
+
+ /*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);
}
-#endif
- sb->s_root = d_alloc_root(root);
+
+ OBD_ALLOC(data, sizeof(*data));
+ if (!data)
+ RETURN(-ENOMEM);
+
+ data->ocd_connect_flags |= *remote & (OBD_CONNECT_LOCAL |
+ OBD_CONNECT_REMOTE);
+ memcpy(data->ocd_nllu, nllu, sizeof(data->ocd_nllu));
if (proc_lustre_fs_root) {
- err = lprocfs_register_mountpoint(proc_lustre_fs_root, sb,
- osc, mdc);
+ err = lprocfs_register_mountpoint(proc_lustre_fs_root,
+ sb, lov, lmv);
if (err < 0)
CERROR("could not register mount in /proc/lustre");
}
-out_dev:
- if (mdc)
- OBD_FREE(mdc, strlen(mdc) + 1);
- if (osc)
- OBD_FREE(osc, strlen(osc) + 1);
+ /*connect mds */
+ err = lustre_connect_mds(sb, lmv, data, mds_security, async, pag);
+ if (err)
+ GOTO(out, err);
- RETURN(err);
+ /*connect OST*/
+ err = lustre_connect_ost(sb, lov, data, oss_security, async, pag);
+ if (err)
+ GOTO(out_lmv, err);
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-out_root:
- iput(root);
+ err = lustre_init_crypto(sb, gkc, data, async);
+ if (err) {
+ CERROR("Could not connect to GSS err %d\n", err);
+ err = 0;
+ }
+ /*connect GSS*/
+ 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);
+ }
+
+ ll_gns_add_timer(sbi);
+
+ /* 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
-out_cbd:
- ll_commitcbd_cleanup(sbi);
-out_lliod:
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
- lliod_stop(sbi);
+ sb->s_flags |= MS_POSIXACL;
+#ifdef S_PDIROPS
+ CWARN("Enabling PDIROPS\n");
+ sb->s_flags |= S_PDIROPS;
#endif
-out_osc:
- obd_disconnect(&sbi->ll_osc_conn, 0);
-out_mdc:
- obd_disconnect(&sbi->ll_mdc_conn, 0);
-out_free:
+ 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);
- OBD_FREE(sbi, sizeof(*sbi));
-
- goto out_dev;
-} /* ll_read_super */
+ RETURN(err);
+}
-void ll_put_super(struct super_block *sb)
+void lustre_common_put_super(struct super_block *sb)
{
struct ll_sb_info *sbi = ll_s2sbi(sb);
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
- struct obd_device *obd = class_conn2obd(&sbi->ll_mdc_conn);
- struct list_head *tmp, *next;
-#else
struct hlist_node *tmp, *next;
-#endif
- struct ll_fid rootfid;
ENTRY;
- CDEBUG(D_VFSTRACE, "VFS Op: sb %p\n", sb);
- list_del(&sbi->ll_conn_chain);
- ll_commitcbd_cleanup(sbi);
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
- lliod_stop(sbi);
-#endif
- obd_disconnect(&sbi->ll_osc_conn, 0);
+ ll_gns_del_timer(sbi);
+ ll_close_thread_stop(sbi->ll_lcq);
- /* NULL request to force sync on the MDS, and get the last_committed
- * value to flush remaining RPCs from the sending queue on client.
- *
- * XXX This should be an mdc_sync() call to sync the whole MDS fs,
- * which we can call for other reasons as well.
- */
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
- if (!obd->obd_no_recov)
-#endif
- mdc_getstatus(&sbi->ll_mdc_conn, &rootfid);
+ lustre_destroy_crypto(sb);
+
+ list_del(&sbi->ll_conn_chain);
+ obd_disconnect(sbi->ll_dt_exp, 0);
lprocfs_unregister_mountpoint(sbi);
if (sbi->ll_proc_root) {
sbi->ll_proc_root = NULL;
}
- obd_disconnect(&sbi->ll_mdc_conn, 0);
+ obd_disconnect(sbi->ll_md_exp, 0);
- spin_lock(&dcache_lock);
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
- list_for_each_safe(tmp, next, &sbi->ll_orphan_dentry_list) {
- struct dentry *dentry = list_entry(tmp, struct dentry, d_hash);
- shrink_dcache_parent(dentry);
- }
-#else
+ // 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);
}
-#endif
- spin_unlock(&dcache_lock);
-
- OBD_FREE(sbi, sizeof(*sbi));
-
EXIT;
-} /* ll_put_super */
+}
-void ll_clear_inode(struct inode *inode)
+char *ll_read_opt(const char *opt, char *data)
{
- struct ll_sb_info *sbi = ll_i2sbi(inode);
- struct ll_inode_info *lli = ll_i2info(inode);
- int rc;
+ char *value;
+ char *retval;
ENTRY;
- CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu/%u(%p)\n", inode->i_ino,
- inode->i_generation, inode);
- rc = ll_mdc_cancel_unused(&sbi->ll_mdc_conn, inode,
- LDLM_FL_WARN | LDLM_FL_NO_CALLBACK, inode);
- if (rc < 0) {
- CERROR("ll_mdc_cancel_unused: %d\n", rc);
- /* XXX FIXME do something dramatic */
- }
-
- if (atomic_read(&inode->i_count) != 0)
- CERROR("clearing in-use inode %lu: count = %d\n",
- inode->i_ino, atomic_read(&inode->i_count));
-
- if (lli->lli_smd) {
- rc = obd_cancel_unused(&sbi->ll_osc_conn, lli->lli_smd,
- LDLM_FL_WARN, inode);
- if (rc < 0) {
- CERROR("obd_cancel_unused: %d\n", rc);
- /* XXX FIXME do something dramatic */
- }
- obd_free_memmd(&sbi->ll_osc_conn, &lli->lli_smd);
- lli->lli_smd = NULL;
- }
+ CDEBUG(D_SUPER, "option: %s, data %s\n", opt, data);
+ if (strncmp(opt, data, strlen(opt)))
+ RETURN(NULL);
+ if ((value = strchr(data, '=')) == NULL)
+ RETURN(NULL);
- if (lli->lli_symlink_name) {
- OBD_FREE(lli->lli_symlink_name,
- strlen(lli->lli_symlink_name) + 1);
- lli->lli_symlink_name = NULL;
+ value++;
+ OBD_ALLOC(retval, strlen(value) + 1);
+ if (!retval) {
+ CERROR("out of memory!\n");
+ RETURN(NULL);
}
- EXIT;
+ memcpy(retval, value, strlen(value)+1);
+ CDEBUG(D_SUPER, "Assigned option: %s, value %s\n", opt, retval);
+ RETURN(retval);
}
-#if 0
-static void ll_delete_inode(struct inode *inode)
+int ll_set_opt(const char *opt, char *data, int fl)
{
ENTRY;
- CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu(%p)\n", inode->i_ino, inode);
- if (S_ISREG(inode->i_mode)) {
- int err;
- struct obdo *oa;
- struct lov_stripe_md *lsm = ll_i2info(inode)->lli_smd;
-
- /* mcreate with no open */
- if (!lsm)
- GOTO(out, 0);
- if (lsm->lsm_object_id == 0) {
- CERROR("This really happens\n");
- /* No obdo was ever created */
- GOTO(out, 0);
- }
+ CDEBUG(D_SUPER, "option: %s, data %s\n", opt, data);
+ if (strncmp(opt, data, strlen(opt)))
+ RETURN(0);
+ else
+ RETURN(fl);
+}
- oa = obdo_alloc();
- if (oa == NULL)
- GOTO(out, -ENOMEM);
+void ll_options(char *options, char **lov, char **lmv, char **gkc,
+ char **mds_sec, char **oss_sec, int *async, int *flags)
+{
+ char *this_char;
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
+ char *opt_ptr = options;
+#endif
+ ENTRY;
- oa->o_id = lsm->lsm_object_id;
- oa->o_valid = OBD_MD_FLID;
- obdo_from_inode(oa, inode, OBD_MD_FLTYPE);
+ if (!options) {
+ EXIT;
+ return;
+ }
- err = obd_destroy(ll_i2obdconn(inode), oa, lsm, NULL);
- obdo_free(oa);
- if (err)
- CDEBUG(D_INODE,
- "inode %lu obd_destroy objid "LPX64" error %d\n",
- inode->i_ino, lsm->lsm_object_id, err);
+ *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;
+ }
+ 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;
+}
+
+void ll_lli_init(struct ll_inode_info *lli)
+{
+ sema_init(&lli->lli_open_sem, 1);
+ sema_init(&lli->lli_size_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);
+ 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);
+}
+
+int ll_fill_super(struct super_block *sb, void *data, int silent)
+{
+ 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;
+ 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);
+
+ if (!lov || !lmv) {
+ CERROR("no osc %p or no mdc %p\n", lov, lmv);
+ GOTO(out, err = -EINVAL);
+ }
+
+ err = lustre_common_fill_super(sb, lmv, lov, gkc, async, mds_sec,
+ oss_sec, nllu, 0, &remote_flag);
+ EXIT;
out:
- clear_inode(inode);
+ 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);
+
+ generate_random_uuid(uuid);
+ class_uuid_unparse(uuid, &lmv_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);
+ }
+ 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);
+ }
+
+ /* 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);
+
+ 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);
+ }
+
+ exp = class_conn2export(&md_conn);
+
+ 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);
+
+ 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);
+
+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;
}
-#endif
-/* like inode_setattr, but doesn't mark the inode dirty */
-int ll_attr2inode(struct inode *inode, struct iattr *attr, int trunc)
+static void lustre_manual_cleanup(struct ll_sb_info *sbi)
{
- unsigned int ia_valid = attr->ia_valid;
- int error = 0;
+ struct lustre_cfg *lcfg;
+ struct lustre_cfg_bufs bufs;
+ struct obd_device *obd;
+ int next = 0;
- if ((ia_valid & ATTR_SIZE) && trunc) {
- if (attr->ia_size > ll_file_maxbytes(inode)) {
- error = -EFBIG;
- goto out;
+ 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;
}
- error = vmtruncate(inode, attr->ia_size);
- if (error)
- goto out;
- } else if (ia_valid & ATTR_SIZE)
- inode->i_size = attr->ia_size;
-
- if (ia_valid & ATTR_UID)
- inode->i_uid = attr->ia_uid;
- if (ia_valid & ATTR_GID)
- inode->i_gid = attr->ia_gid;
- if (ia_valid & ATTR_ATIME)
- inode->i_atime = attr->ia_atime;
- if (ia_valid & ATTR_MTIME)
- inode->i_mtime = attr->ia_mtime;
- if (ia_valid & ATTR_CTIME)
- inode->i_ctime = attr->ia_ctime;
- if (ia_valid & ATTR_MODE) {
- inode->i_mode = attr->ia_mode;
- if (!in_group_p(inode->i_gid) && !capable(CAP_FSETID))
- inode->i_mode &= ~S_ISGID;
}
-out:
- return error;
+
+ if (sbi->ll_lmd != NULL)
+ class_del_profile(sbi->ll_lmd->lmd_profile);
}
-int ll_inode_setattr(struct inode *inode, struct iattr *attr, int do_trunc)
+static int lustre_process_profile(struct super_block *sb,
+ struct lustre_mount_data *lmd,
+ char **lov, char **lmv, char **gkc)
{
- struct ptlrpc_request *request = NULL;
- struct ll_sb_info *sbi = ll_i2sbi(inode);
- int err = 0;
+ struct ll_sb_info *sbi = ll_s2sbi(sb);
+ struct config_llog_instance cfg;
+ struct lustre_profile *lprof;
+ int len, err = 0;
ENTRY;
- /* change incore inode */
- err = ll_attr2inode(inode, attr, do_trunc);
- if (err)
+ 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;
+ 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);
+
+ OBD_ALLOC(*lmv, strlen(lprof->lp_lmv) +
+ strlen(sbi->ll_instance) + 2);
+ if (*lmv == NULL)
+ GOTO(out_free_lov, err = -ENOMEM);
+
+ sprintf(*lmv, "%s-%s", lprof->lp_lmv, sbi->ll_instance);
+
+ 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);
- /* Don't send size changes to MDS to avoid "fast EA" problems, and
- * also avoid a pointless RPC (we get file size from OST anyways).
- */
- attr->ia_valid &= ~ATTR_SIZE;
- if (attr->ia_valid) {
- struct mdc_op_data op_data;
+ 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_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);
+ }
+ 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;
+}
- ll_prepare_mdc_op_data(&op_data, inode, NULL, NULL, 0, 0);
- err = mdc_setattr(&sbi->ll_mdc_conn, &op_data,
- attr, NULL, 0, NULL, 0, &request);
- if (err)
- CERROR("mdc_setattr fails: err = %d\n", 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;
- ptlrpc_req_finished(request);
- if (S_ISREG(inode->i_mode) && attr->ia_valid & ATTR_MTIME_SET) {
- struct lov_stripe_md *lsm = ll_i2info(inode)->lli_smd;
- struct obdo oa;
- int err2;
+ CDEBUG(D_VFSTRACE, "VFS Op: sb %p\n", sb);
+ if (lmd_bad_magic(lmd))
+ RETURN(-EINVAL);
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
- CDEBUG(D_INODE, "set mtime on OST inode %lu to %lu\n",
- inode->i_ino, attr->ia_mtime);
- oa.o_mtime = attr->ia_mtime;
-#else
- CDEBUG(D_INODE, "set mtime on OST inode %lu to "
- LPU64"\n", inode->i_ino,
- ll_ts2u64(&attr->ia_mtime));
- oa.o_mtime = ll_ts2u64(&attr->ia_mtime);
-#endif
- oa.o_id = lsm->lsm_object_id;
- oa.o_mode = S_IFREG;
- oa.o_valid = OBD_MD_FLID |OBD_MD_FLTYPE |OBD_MD_FLMTIME;
- err2 = obd_setattr(&sbi->ll_osc_conn, &oa, lsm, NULL);
- if (err2) {
- CERROR("obd_setattr fails: rc=%d\n", err);
- if (!err)
- err = err2;
- }
+ 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);
+ }
+
+ 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 */
+
+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;
+
+ 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;
+
+ lustre_common_put_super(sb);
+ lustre_clean_profile(sbi, force_umount);
+ lustre_free_sbi(sb);
+
+ EXIT;
+} /* lustre_put_super */
+
+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);
+ }
+
+ cfg.cfg_instance = sbi->ll_instance;
+ cfg.cfg_uuid = sbi->ll_sb_uuid;
+ cfg.cfg_local_nid = lmd->lmd_local_nid;
+
+ namelen = strlen(profile) + 20; /* -clean-######### */
+ OBD_ALLOC(name, namelen);
+ if (name == NULL)
+ RETURN(-ENOMEM);
+
+ 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);
+}
+
+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) {
+ struct ll_inode_info *lli = ll_i2info(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);
+ inode = NULL;
+ unlock_res_and_lock(lock);
+ LBUG();
}
}
+ unlock_res_and_lock(lock);
+ return inode;
+}
- RETURN(err);
+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");
+ }
+
+ 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);
+
+ 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);
+ if (lli->lli_mds_exec_och)
+ ll_md_real_close(sbi->ll_md_exp, 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;
+ }
+ ll_crypto_destroy_inode_key(inode);
+ if (lli->lli_symlink_name) {
+ OBD_FREE(lli->lli_symlink_name,
+ strlen(lli->lli_symlink_name) + 1);
+ lli->lli_symlink_name = NULL;
+ }
+
+ if (lli->lli_posix_acl) {
+ LASSERT(lli->lli_remote_acl == NULL);
+ posix_acl_release(lli->lli_posix_acl);
+ lli->lli_posix_acl = NULL;
+ }
+
+ if (lli->lli_remote_acl) {
+ LASSERT(lli->lli_posix_acl == NULL);
+ remote_acl_free(lli->lli_remote_acl);
+ lli->lli_remote_acl = 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;
}
/* If this inode has objects allocated to it (lsm != NULL), then the OST
* I don't believe it is possible to get e.g. ATTR_MTIME_SET and ATTR_SIZE
* at the same time.
*/
-#define OST_ATTR (ATTR_MTIME | ATTR_MTIME_SET | ATTR_CTIME | \
- ATTR_ATIME | ATTR_ATIME_SET | ATTR_SIZE)
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;
- time_t now = LTIME_S(CURRENT_TIME);
+ struct mdc_op_data *op_data;
int ia_valid = attr->ia_valid;
- int rc = 0;
+ int err, rc = 0;
ENTRY;
CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu\n", inode->i_ino);
-
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
lprocfs_counter_incr(ll_i2sbi(inode)->ll_stats, LPROC_LL_SETATTR);
-#endif
if (ia_valid & ATTR_SIZE) {
if (attr->ia_size > ll_file_maxbytes(inode)) {
attr->ia_valid |= ATTR_MTIME | ATTR_CTIME;
}
+ /* 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))
+ RETURN(-EPERM);
+ }
+
/* We mark all of the fields "set" so MDS/OST does not re-set them */
if (attr->ia_valid & ATTR_CTIME) {
- attr->ia_ctime = now;
+ attr->ia_ctime = CURRENT_TIME;
attr->ia_valid |= ATTR_CTIME_SET;
}
if (!(ia_valid & ATTR_ATIME_SET) && (attr->ia_valid & ATTR_ATIME)) {
- attr->ia_atime = now;
+ attr->ia_atime = CURRENT_TIME;
attr->ia_valid |= ATTR_ATIME_SET;
}
if (!(ia_valid & ATTR_MTIME_SET) && (attr->ia_valid & ATTR_MTIME)) {
- attr->ia_mtime = now;
+ attr->ia_mtime = CURRENT_TIME;
attr->ia_valid |= ATTR_MTIME_SET;
}
if (attr->ia_valid & (ATTR_MTIME | ATTR_CTIME))
CDEBUG(D_INODE, "setting mtime %lu, ctime %lu, now = %lu\n",
- attr->ia_mtime, attr->ia_ctime, now);
- if (lsm)
- attr->ia_valid &= ~ATTR_SIZE;
+ 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 ? ~(OST_ATTR | ATTR_FROM_OPEN | ATTR_RAW) : ~0)) {
+ if (ia_valid & (lsm ? ~(ATTR_SIZE | ATTR_FROM_OPEN /*| ATTR_RAW*/) : ~0)) {
struct lustre_md md;
- ll_prepare_mdc_op_data(&op_data, inode, NULL, NULL, 0, 0);
-
- rc = mdc_setattr(&sbi->ll_mdc_conn, &op_data,
- attr, NULL, 0, NULL, 0, &request);
-
+ 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("mdc_setattr fails: rc = %d\n", rc);
+ CERROR("md_setattr fails: rc = %d\n", rc);
RETURN(rc);
}
-
- rc = mdc_req2lustre_md(request, 0, &sbi->ll_osc_conn, &md);
+ rc = mdc_req2lustre_md(sbi->ll_md_exp, request, 0,
+ sbi->ll_dt_exp, &md);
if (rc) {
ptlrpc_req_finished(request);
RETURN(rc);
}
- ll_update_inode(inode, md.body, md.lsm);
+
+ if (attr->ia_valid & ATTR_SIZE) {
+ rc = ll_set_trunc_capa(request, 0, inode);
+ if (rc) {
+ ptlrpc_req_finished(request);
+ RETURN(rc);
+ }
+ }
+
+ /* 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. */
+ 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 (!md.lsm || !S_ISREG(inode->i_mode)) {
+ 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?
+ /* 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);
+}
+
+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);
+}
+
+int ll_statfs(struct super_block *sb, struct kstatfs *sfs)
+{
+ struct obd_statfs osfs;
+ int rc;
+
+ CDEBUG(D_VFSTRACE, "VFS Op: superblock %p\n", sb);
+ lprocfs_counter_incr(ll_s2sbi(sb)->ll_stats, LPROC_LL_STAFS);
+
+ /* 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);
+ 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));
+ }
+}
+
+/*
+ * 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));
+ }
+ }
+}
+
+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
*/
- 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 = permission(inode, MAY_WRITE)) != 0)
- RETURN(rc);
- } else {
- /* from inode_change_ok() */
- if (current->fsuid != inode->i_uid &&
- !capable(CAP_FOWNER))
- RETURN(-EPERM);
- }
+ 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;
}
- /* Won't invoke vmtruncate, as we already cleared ATTR_SIZE */
- inode_setattr(inode, attr);
+ lp = lperm;
+ /* fall through */
}
- if (ia_valid & ATTR_SIZE) {
- struct ldlm_extent extent = { .start = attr->ia_size,
- .end = OBD_OBJECT_EOF };
- struct lustre_handle lockh = { 0 };
- int err;
+ LASSERT(lp->lrp_setuid || lp->lrp_setgid ||
+ list_empty(&lp->lrp_setxid_perms));
- /* Writeback uses inode->i_size to determine how far out
- * its cached pages go. ll_truncate gets a PW lock, canceling
- * our lock, _after_ it has updated i_size. this can confuse
- *
- * 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. */
- /* bug 1639: avoid write/truncate i_sem/DLM deadlock */
- LASSERT(atomic_read(&inode->i_sem.count) == 0);
- up(&inode->i_sem);
- rc = ll_extent_lock_no_validate(NULL, inode, lsm, LCK_PW,
- &extent, &lockh);
- down(&inode->i_sem);
- if (rc != ELDLM_OK) {
- if (rc > 0)
- RETURN(-ENOLCK);
- RETURN(rc);
- }
+ /* if no xperm supplied, we are all done here */
+ if (!xperm) {
+ spin_unlock(&racl->ra_lock);
+ return 0;
+ }
- rc = vmtruncate(inode, attr->ia_size);
- if (rc == 0)
- set_bit(LLI_F_HAVE_SIZE_LOCK,
- &ll_i2info(inode)->lli_flags);
+ /* 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;
+ }
- /* unlock now as we don't mind others file lockers racing with
- * the mds updates below? */
- err = ll_extent_unlock(NULL, inode, lsm, LCK_PW, &lockh);
- if (err) {
- CERROR("ll_extent_unlock failed: %d\n", err);
- if (!rc)
- rc = err;
+ /* 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;
}
- } else if (ia_valid & (ATTR_MTIME | ATTR_MTIME_SET)) {
- struct obdo oa;
-
- CDEBUG(D_INODE, "set mtime on OST inode %lu to %lu\n",
- inode->i_ino, attr->ia_mtime);
- oa.o_id = lsm->lsm_object_id;
- oa.o_valid = OBD_MD_FLID;
- obdo_from_inode(&oa, inode, OBD_MD_FLTYPE | OBD_MD_FLATIME |
- OBD_MD_FLMTIME | OBD_MD_FLCTIME);
- rc = obd_setattr(&sbi->ll_osc_conn, &oa, lsm, NULL);
- if (rc)
- CERROR("obd_setattr fails: rc=%d\n", rc);
}
- RETURN(rc);
-}
-int ll_setattr(struct dentry *de, struct iattr *attr)
-{
- int rc = inode_change_ok(de->d_inode, attr);
- CDEBUG(D_VFSTRACE, "VFS Op:name=%s\n", de->d_name.name);
- if (rc)
- return rc;
+ /* 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);
- lprocfs_counter_incr(ll_i2sbi(de->d_inode)->ll_stats, LPROC_LL_SETATTR);
- return ll_inode_setattr(de->d_inode, attr, 1);
+ spin_unlock(&racl->ra_lock);
+ return 0;
}
-int ll_statfs_internal(struct super_block *sb, struct obd_statfs *osfs,
- unsigned long max_age)
+/*
+ * remote_acl semaphore must be held by caller
+ */
+static
+int remote_acl_update_locked(struct remote_acl *racl,
+ struct mds_remote_perm *mperm)
{
- struct ll_sb_info *sbi = ll_s2sbi(sb);
- struct obd_statfs obd_osfs;
- int rc;
- ENTRY;
+ struct lustre_remote_perm *lperm;
+ struct remote_perm_setxid *xperm;
+ int setuid = 0, setgid = 0;
- rc = obd_statfs(class_conn2obd(&sbi->ll_mdc_conn), osfs, max_age);
- if (rc) {
- CERROR("mdc_statfs fails: rc = %d\n", rc);
- RETURN(rc);
+ might_sleep();
+
+ if (current->uid != mperm->mrp_auth_uid) {
+ CERROR("current uid %u while authenticated as %u\n",
+ current->uid, mperm->mrp_auth_uid);
+ return -EINVAL;
}
- CDEBUG(D_SUPER, "MDC blocks "LPU64"/"LPU64" objects "LPU64"/"LPU64"\n",
- osfs->os_bavail, osfs->os_blocks, osfs->os_ffree,osfs->os_files);
+ if (current->fsuid != mperm->mrp_auth_uid)
+ setuid = 1;
+ if (current->fsgid == mperm->mrp_auth_gid)
+ setgid = 1;
+
+ OBD_ALLOC(lperm, sizeof(*lperm));
+ if (!lperm)
+ return -ENOMEM;
+
+ 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_conn2obd(&sbi->ll_osc_conn), &obd_osfs, max_age);
- if (rc) {
- CERROR("obd_statfs fails: rc = %d\n", rc);
- RETURN(rc);
+ return __remote_acl_update(racl, mperm, lperm, xperm);
+}
+
+/*
+ * 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;
+
+ if (!racl)
+ return -EACCES;
+
+ if (__remote_acl_check(racl, &perm) == 0) {
+ return ((perm & mode) == mode ? 0 : -EACCES);
}
- 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);
+ might_sleep();
- osfs->os_blocks = obd_osfs.os_blocks;
- osfs->os_bfree = obd_osfs.os_bfree;
- osfs->os_bavail = obd_osfs.os_bavail;
+ /* doing update
+ */
+ down(&racl->ra_update_sem);
- /* 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.
+ /* we might lose the race when obtain semaphore,
+ * so check again.
*/
- 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;
+ if (__remote_acl_check(racl, &perm) == 0) {
+ if ((perm & mode) == mode)
+ rc = 0;
+ goto out;
}
- RETURN(rc);
+ /* 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;
+
+ mperm = lustre_swab_repbuf(req, 1, sizeof(*mperm),
+ lustre_swab_remote_perm);
+ LASSERT(mperm);
+ LASSERT_REPSWABBED(req, 1);
+
+ if ((mperm->mrp_perm & mode) == mode)
+ rc = 0;
+
+ remote_acl_update_locked(racl, mperm);
+out:
+ if (req)
+ ptlrpc_req_finished(req);
+
+ up(&racl->ra_update_sem);
+ return rc;
}
-int ll_statfs(struct super_block *sb, struct kstatfs *sfs)
+int ll_remote_acl_update(struct inode *inode, struct mds_remote_perm *perm)
{
- struct obd_statfs osfs;
+ struct remote_acl *racl = ll_i2info(inode)->lli_remote_acl;
int rc;
- CDEBUG(D_VFSTRACE, "VFS Op:\n");
- lprocfs_counter_incr(ll_s2sbi(sb)->ll_stats, LPROC_LL_STAFS);
+ LASSERT(perm);
- /* 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);
- if (rc)
- return rc;
+ if (!racl)
+ return -EACCES;
- statfs_unpack(sfs, &osfs);
+ down(&racl->ra_update_sem);
+ rc = remote_acl_update_locked(racl, perm);
+ up(&racl->ra_update_sem);
- if (sizeof(sfs->f_blocks) == 4) {
- while (osfs.os_blocks > ~0UL) {
- sfs->f_bsize <<= 1;
+ return rc;
+}
- osfs.os_blocks >>= 1;
- osfs.os_bfree >>= 1;
- osfs.os_bavail >>= 1;
- }
- }
+void ll_inode_invalidate_acl(struct inode *inode)
+{
+ struct ll_sb_info *sbi = ll_i2sbi(inode);
+ struct ll_inode_info *lli = ll_i2info(inode);
- sfs->f_blocks = osfs.os_blocks;
- sfs->f_bfree = osfs.os_bfree;
- sfs->f_bavail = osfs.os_bavail;
+ if (sbi->ll_remote) {
+ struct remote_acl *racl = lli->lli_remote_acl;
- return 0;
-}
+ 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;
-void dump_lsm(int level, struct lov_stripe_md *lsm)
-{
- CDEBUG(level, "objid "LPX64", maxbytes "LPX64", magic %#08x, "
- "stripe_size %#08x, offset %u, stripe_count %u\n",
- lsm->lsm_object_id, lsm->lsm_maxbytes, lsm->lsm_magic,
- lsm->lsm_stripe_size, lsm->lsm_stripe_offset,
- lsm->lsm_stripe_count);
+ 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);
+ }
}
-void ll_update_inode(struct inode *inode, struct mds_body *body,
- struct lov_stripe_md *lsm)
+void ll_update_inode(struct inode *inode, struct lustre_md *md)
{
struct ll_inode_info *lli = ll_i2info(inode);
+ 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));
- 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));
+ }
+
if (lsm != NULL) {
+ LASSERT(lsm->lsm_object_gr > 0);
if (lli->lli_smd == NULL) {
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);
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;
+ }
+ }
+ /* 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);
+ 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;
}
+ spin_unlock(&lli->lli_lock);
}
if (body->valid & OBD_MD_FLID)
- inode->i_ino = body->ino;
+ 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)
LTIME_S(inode->i_atime) = body->atime;
- if (body->valid & OBD_MD_FLMTIME)
+ 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;
- if (body->valid & OBD_MD_FLCTIME)
+ }
+ if (body->valid & OBD_MD_FLCTIME &&
+ 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_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);
+ }
if (body->valid & OBD_MD_FLUID)
inode->i_uid = body->uid;
if (body->valid & OBD_MD_FLGID)
inode->i_flags = body->flags;
if (body->valid & OBD_MD_FLNLINK)
inode->i_nlink = body->nlink;
- if (body->valid & OBD_MD_FLGENER)
- inode->i_generation = body->generation;
if (body->valid & OBD_MD_FLRDEV)
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
inode->i_rdev = body->rdev;
#else
- inode->i_rdev = to_kdev_t(body->rdev);
+ 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 (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 (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
+static struct backing_dev_info ll_backing_dev_info = {
+ .ra_pages = 0, /* No readahead */
+ .memory_backed = 0, /* Does contribute to dirty memory */
+};
+#endif
+
void ll_read_inode2(struct inode *inode, void *opaque)
{
struct lustre_md *md = opaque;
LASSERT(!lli->lli_smd);
- /* core attributes from the MDS first */
- ll_update_inode(inode, md->body, md->lsm);
+ 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
+ * attributes - we just need to make sure they aren't newer. */
+ 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); */
EXIT;
} else {
inode->i_op = &ll_special_inode_operations;
+
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
- init_special_inode(inode, inode->i_mode,
+ 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;
}
}
-int it_disposition(struct lookup_intent *it, int flag)
+void ll_delete_inode(struct inode *inode)
{
- return it->it_disposition & flag;
+ 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);
+ if (rc) {
+ CERROR("md_delete_inode() failed, error %d\n",
+ rc);
+ }
+
+ clear_inode(inode);
+ EXIT;
}
-void it_set_disposition(struct lookup_intent *it, int flag)
+int ll_iocontrol(struct inode *inode, struct file *file,
+ unsigned int cmd, unsigned long arg)
{
- it->it_disposition |= flag;
+ struct ll_sb_info *sbi = ll_i2sbi(inode);
+ struct ptlrpc_request *req = NULL;
+ int rc, flags = 0;
+ ENTRY;
+
+ switch(cmd) {
+ case EXT3_IOC_GETFLAGS: {
+ struct lustre_id id;
+ __u64 valid = OBD_MD_FLFLAGS;
+ struct mds_body *body;
+
+ ll_inode2id(&id, inode);
+ rc = md_getattr(sbi->ll_md_exp, &id, valid, NULL, NULL,
+ 0, 0, NULL, &req);
+ 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));
+
+ 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;
+
+ 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;
+
+ 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);
+ 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;
+
+ 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);
+ 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);
+ if (rc) {
+ if (rc != -EPERM && rc != -EACCES)
+ CERROR("md_setattr 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;
+
+ RETURN(0);
+ }
+ default:
+ RETURN(-ENOSYS);
+ }
+
+ RETURN(0);
}
+/* this is only called in the case of forced umount. */
void ll_umount_begin(struct super_block *sb)
{
struct ll_sb_info *sbi = ll_s2sbi(sb);
- struct obd_device *obd;
struct obd_ioctl_data ioc_data = { 0 };
+ struct obd_device *obd;
ENTRY;
- CDEBUG(D_VFSTRACE, "VFS Op:\n");
-
- obd = class_conn2obd(&sbi->ll_mdc_conn);
+
+ 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",
- sbi->ll_mdc_conn.cookie);
+ sbi->ll_md_exp->exp_handle.h_cookie);
EXIT;
return;
}
obd->obd_no_recov = 1;
- obd_iocontrol(IOC_OSC_SET_ACTIVE, &sbi->ll_mdc_conn, sizeof ioc_data,
- &ioc_data, NULL);
+ 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) {
+ CERROR("Invalid LOV connection handle "LPX64"\n",
+ sbi->ll_dt_exp->exp_handle.h_cookie);
+ EXIT;
+ return;
+ }
- obd = class_conn2obd(&sbi->ll_osc_conn);
obd->obd_no_recov = 1;
- obd_iocontrol(IOC_OSC_SET_ACTIVE, &sbi->ll_osc_conn, sizeof ioc_data,
- &ioc_data, NULL);
+ 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.
*/
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)
+{
+ struct lustre_md md;
+ int rc = 0;
+
+ rc = mdc_req2lustre_md(md_exp, req, offset, dt_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;
+ CERROR("new_inode -fatal: rc %d\n", rc);
+ }
+ }
+
+ RETURN(rc);
+}
+
+int ll_show_options(struct seq_file *m, struct vfsmount *mnt)
+{
+ struct ll_sb_info *sbi = ll_s2sbi(mnt->mnt_sb);
+ struct lustre_mount_data *lmd = sbi->ll_lmd;
+
+ 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 (lmd && lmd->lmd_pag)
+ seq_printf(m, ",pag");
+
+ return 0;
+}
+
+int ll_get_fid(struct obd_export *exp, struct lustre_id *idp,
+ char *filename, struct lustre_id *ret)
+{
+ struct ptlrpc_request *request = NULL;
+ struct mds_body *body;
+ int rc;
+
+ 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;
+ }
+
+ body = lustre_msg_buf(request->rq_repmsg, 0, sizeof(*body));
+ LASSERT(body != NULL);
+ LASSERT_REPSWABBED(request, 0);
+
+ *ret = body->id1;
+ ptlrpc_req_finished(request);
+
+ return rc;
+}
+int ll_flush_cred(struct inode *inode)
+{
+ struct ll_sb_info *sbi = ll_i2sbi(inode);
+ int rc = 0;
+
+ /* 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;
+ }
+
+ if (sbi->ll_dt_exp) {
+ rc = obd_set_info(sbi->ll_dt_exp,
+ strlen("flush_cred"), "flush_cred",
+ 0, NULL);
+ if (rc)
+ return rc;
+ }
+
+ return rc;
+}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff