#define DEBUG_SUBSYSTEM S_LLITE
#include <linux/module.h>
+#include <linux/types.h>
#include <linux/random.h>
#include <linux/version.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 "llite_internal.h"
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
+struct ll_sb_info *lustre_init_sbi(struct super_block *sb)
+{
+ struct ll_sb_info *sbi = NULL;
+ class_uuid_t uuid;
+ ENTRY;
+
+ OBD_ALLOC(sbi, sizeof(*sbi));
+ if (!sbi)
+ RETURN(NULL);
+
+ spin_lock_init(&sbi->ll_lock);
+ INIT_LIST_HEAD(&sbi->ll_pglist);
+ sbi->ll_pglist_gen = 0;
+ sbi->ll_max_read_ahead_pages = SBI_DEFAULT_RA_MAX;
+ INIT_LIST_HEAD(&sbi->ll_conn_chain);
+ INIT_HLIST_HEAD(&sbi->ll_orphan_dentry_list);
+ ll_set_sbi(sb, sbi);
+
+ generate_random_uuid(uuid);
+ class_uuid_unparse(uuid, &sbi->ll_sb_uuid);
+ RETURN(sbi);
+}
+
+void lustre_free_sbi(struct super_block *sb)
+{
+ struct ll_sb_info *sbi = ll_s2sbi(sb);
+ ENTRY;
+
+ if (sbi != NULL)
+ OBD_FREE(sbi, sizeof(*sbi));
+ ll_set_sbi(sb, NULL);
+ EXIT;
+}
+
+int lustre_init_ea_size(struct ll_sb_info *sbi)
+{
+ struct lov_desc desc;
+ int rc, valsize;
+
+ /* OSC may have larger ea size */
+ valsize = sizeof(desc);
+ rc = obd_get_info(sbi->ll_osc_exp, strlen("lovdesc") + 1, "lovdesc",
+ &valsize, &desc);
+ if (rc == 0) {
+ obd_init_ea_size(sbi->ll_mdc_exp,
+ obd_size_diskmd(sbi->ll_osc_exp, NULL),
+ desc.ld_tgt_count*sizeof(struct llog_cookie));
+
+ /* declare ourself as real client. not connection
+ * from another MDS
+ * FIXME: remove fake valsize, mdsize --bzzz */
+ rc = obd_set_info(sbi->ll_mdc_exp, strlen("client"),
+ "client", valsize, &desc);
+ }
+ RETURN(rc);
+}
+
+int lustre_common_fill_super(struct super_block *sb, char *mdc, char *osc)
+{
+ struct inode *root = 0;
+ struct ll_sb_info *sbi = ll_s2sbi(sb);
+ struct obd_device *obd;
+ struct ll_fid rootfid;
+ struct obd_statfs osfs;
+ struct ptlrpc_request *request = NULL;
+ struct lustre_handle osc_conn = {0, };
+ struct lustre_handle mdc_conn = {0, };
+ struct lustre_md md;
+ kdev_t devno;
+ int err;
+
+ obd = class_name2obd(mdc);
+ if (!obd) {
+ CERROR("MDC %s: not setup or attached\n", mdc);
+ RETURN(-EINVAL);
+ }
+
+ if (proc_lustre_fs_root) {
+ err = lprocfs_register_mountpoint(proc_lustre_fs_root, sb,
+ osc, mdc);
+ if (err < 0)
+ CERROR("could not register mount in /proc/lustre");
+ }
+
+ err = obd_connect(&mdc_conn, obd, &sbi->ll_sb_uuid);
+ if (err == -EBUSY) {
+ CERROR("An MDS (mdc %s) is performing recovery, of which this"
+ " client is not a part. Please wait for recovery to "
+ "complete, abort, or time out.\n", mdc);
+ GOTO(out, err);
+ } else if (err) {
+ CERROR("cannot connect to %s: rc = %d\n", mdc, err);
+ GOTO(out, err);
+ }
+ sbi->ll_mdc_exp = class_conn2export(&mdc_conn);
+
+ err = obd_statfs(obd, &osfs, jiffies - HZ);
+ 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;
+
+ devno = get_uuid2int(sbi->ll_mdc_exp->exp_obd->obd_uuid.uuid,
+ strlen(sbi->ll_mdc_exp->exp_obd->obd_uuid.uuid));
+
+ sb->s_dev = devno;
+
+ obd = class_name2obd(osc);
+ if (!obd) {
+ CERROR("OSC %s: not setup or attached\n", osc);
+ GOTO(out_mdc, err);
+ }
+
+ err = obd_connect(&osc_conn, obd, &sbi->ll_sb_uuid);
+ if (err == -EBUSY) {
+ CERROR("An OST (osc %s) is performing recovery, of which this"
+ " client is not a part. Please wait for recovery to "
+ "complete, abort, or time out.\n", osc);
+ GOTO(out, err);
+ } else if (err) {
+ CERROR("cannot connect to %s: rc = %d\n", osc, err);
+ GOTO(out_mdc, err);
+ }
+ sbi->ll_osc_exp = class_conn2export(&osc_conn);
+
+ lustre_init_ea_size(sbi);
+
+ err = md_getstatus(sbi->ll_mdc_exp, &rootfid);
+ if (err) {
+ CERROR("cannot mds_connect: rc = %d\n", err);
+ GOTO(out_osc, err);
+ }
+ CDEBUG(D_SUPER, "rootfid "LPU64"\n", rootfid.id);
+ sbi->ll_rootino = rootfid.id;
+
+ sb->s_op = &lustre_super_operations;
+
+ /* make root inode
+ * XXX: move this to after cbd setup? */
+ err = md_getattr(sbi->ll_mdc_exp, &rootfid,
+ OBD_MD_FLNOTOBD | OBD_MD_FLBLOCKS, 0, &request);
+ if (err) {
+ CERROR("md_getattr failed for root: rc = %d\n", err);
+ GOTO(out_osc, err);
+ }
+
+ err = mdc_req2lustre_md(sbi->ll_mdc_exp, request, 0,
+ sbi->ll_osc_exp, &md);
+ if (err) {
+ CERROR("failed to understand root inode md: rc = %d\n",err);
+ ptlrpc_req_finished (request);
+ GOTO(out_osc, err);
+ }
+
+ LASSERT(sbi->ll_rootino != 0);
+ root = ll_iget(sb, sbi->ll_rootino, &md);
+
+ ptlrpc_req_finished(request);
+
+ if (root == NULL || is_bad_inode(root)) {
+ /* XXX might need iput() for bad inode */
+ CERROR("lustre_lite: bad iget4 for root\n");
+ GOTO(out_root, err = -EBADF);
+ }
+
+ err = ll_close_thread_start(&sbi->ll_lcq);
+ if (err) {
+ CERROR("cannot start close thread: rc %d\n", err);
+ GOTO(out_root, err);
+ }
+
+ /* 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))
+ /* bug 2805 - set VM readahead to zero */
+ vm_max_readahead = vm_min_readahead = 0;
+#endif
+
+ sb->s_root = d_alloc_root(root);
+ RETURN(err);
+
+out_root:
+ if (root)
+ iput(root);
+out_osc:
+ obd_disconnect(sbi->ll_osc_exp, 0);
+out_mdc:
+ obd_disconnect(sbi->ll_mdc_exp, 0);
+out:
+ lprocfs_unregister_mountpoint(sbi);
+ RETURN(err);
+}
+
+void lustre_common_put_super(struct super_block *sb)
+{
+ struct ll_sb_info *sbi = ll_s2sbi(sb);
+ struct hlist_node *tmp, *next;
+ ENTRY;
+
+ ll_close_thread_shutdown(sbi->ll_lcq);
+
+ list_del(&sbi->ll_conn_chain);
+ obd_disconnect(sbi->ll_osc_exp, 0);
+
+ lprocfs_unregister_mountpoint(sbi);
+ if (sbi->ll_proc_root) {
+ lprocfs_remove(sbi->ll_proc_root);
+ sbi->ll_proc_root = NULL;
+ }
+
+ obd_disconnect(sbi->ll_mdc_exp, 0);
+
+ // We do this to get rid of orphaned dentries. That is not really trw.
+ spin_lock(&dcache_lock);
+ 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) at unmount\n",
+ dentry->d_name.len, dentry->d_name.name, dentry);
+ shrink_dcache_parent(dentry);
+ }
+ spin_unlock(&dcache_lock);
+ EXIT;
+}
+
+
char *ll_read_opt(const char *opt, char *data)
{
char *value;
RETURN(fl);
}
-void ll_options(char *options, char **ost, char **mds, int *flags)
+void ll_options(char *options, char **ost, char **mdc, int *flags)
{
char *this_char;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
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))))
+ if (!*ost && (*ost = ll_read_opt("osc", this_char)))
+ continue;
+ if (!*mdc && (*mdc = ll_read_opt("mdc", 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);
- 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
+ spin_lock_init(&lli->lli_lock);
+ INIT_LIST_HEAD(&lli->lli_pending_write_llaps);
}
int ll_fill_super(struct super_block *sb, void *data, int silent)
{
- 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 obd_statfs osfs;
- struct ptlrpc_request *request = NULL;
- struct ptlrpc_connection *mdc_conn;
- struct lustre_md md;
- class_uuid_t uuid;
-
ENTRY;
CDEBUG(D_VFSTRACE, "VFS Op: sb %p\n", sb);
- OBD_ALLOC(sbi, sizeof(*sbi));
+
+ sbi = lustre_init_sbi(sb);
if (!sbi)
RETURN(-ENOMEM);
- 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);
-
+ sbi->ll_flags |= LL_SBI_READAHEAD;
ll_options(data, &osc, &mdc, &sbi->ll_flags);
if (!osc) {
CERROR("no osc\n");
- GOTO(out_free, err = -EINVAL);
+ GOTO(out, err = -EINVAL);
}
if (!mdc) {
CERROR("no mdc\n");
- GOTO(out_free, err = -EINVAL);
+ GOTO(out, err = -EINVAL);
}
- obd = class_name2obd(mdc);
- if (!obd) {
- CERROR("MDC %s: not setup or attached\n", mdc);
- GOTO(out_free, err = -EINVAL);
- }
+ err = lustre_common_fill_super(sb, mdc, osc);
+out:
+ if (err)
+ lustre_free_sbi(sb);
- err = obd_connect(&sbi->ll_mdc_conn, obd, &sbi->ll_sb_uuid);
- if (err) {
- CERROR("cannot connect to %s: rc = %d\n", mdc, err);
- GOTO(out_free, err);
- }
+ if (mdc)
+ OBD_FREE(mdc, strlen(mdc) + 1);
+ if (osc)
+ OBD_FREE(osc, strlen(osc) + 1);
- err = obd_statfs(obd, &osfs, jiffies - HZ);
- if (err)
- GOTO(out_mdc, err);
+ RETURN(err);
+} /* ll_read_super */
- 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;
+int lustre_process_log(struct lustre_mount_data *lmd, char * profile,
+ struct config_llog_instance *cfg, int allow_recov)
+{
+ struct lustre_cfg lcfg;
+ struct portals_cfg pcfg;
+ char * peer = "MDS_PEER_UUID";
+ struct obd_device *obd;
+ struct lustre_handle mdc_conn = {0, };
+ struct obd_export *exp;
+ char * name = "mdc_dev";
+ class_uuid_t uuid;
+ struct obd_uuid mdc_uuid;
+ struct llog_ctxt *ctxt;
+ int rc = 0;
+ int err;
+ ENTRY;
- mdc_conn = sbi2mdc(sbi)->cl_import->imp_connection;
+ if (lmd_bad_magic(lmd))
+ RETURN(-EINVAL);
- obd = class_name2obd(osc);
- if (!obd) {
- CERROR("OSC %s: not setup or attached\n", osc);
- GOTO(out_mdc, err);
+ generate_random_uuid(uuid);
+ class_uuid_unparse(uuid, &mdc_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;
+ err = libcfs_nal_cmd(&pcfg);
+ if (err <0)
+ GOTO(out, err);
}
- err = obd_connect(&sbi->ll_osc_conn, obd, &sbi->ll_sb_uuid);
- if (err) {
- CERROR("cannot connect to %s: rc = %d\n", osc, err);
- GOTO(out_mdc, err);
+ if (lmd->lmd_nal == SOCKNAL) {
+ PCFG_INIT(pcfg, NAL_CMD_ADD_AUTOCONN);
+ 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;
+ pcfg.pcfg_size = 8388608;
+ pcfg.pcfg_flags = 0x4; /*share*/
+ err = libcfs_nal_cmd(&pcfg);
+ if (err <0)
+ GOTO(out, err);
}
- err = mdc_getstatus(&sbi->ll_mdc_conn, &rootfid);
+ LCFG_INIT(lcfg, LCFG_ADD_UUID, name);
+ lcfg.lcfg_nid = lmd->lmd_server_nid;
+ lcfg.lcfg_inllen1 = strlen(peer) + 1;
+ lcfg.lcfg_inlbuf1 = peer;
+ lcfg.lcfg_nal = lmd->lmd_nal;
+ err = class_process_config(&lcfg);
+ if (err < 0)
+ GOTO(out_del_conn, err);
+
+ LCFG_INIT(lcfg, LCFG_ATTACH, name);
+ lcfg.lcfg_inlbuf1 = "mdc";
+ lcfg.lcfg_inllen1 = strlen(lcfg.lcfg_inlbuf1) + 1;
+ lcfg.lcfg_inlbuf2 = mdc_uuid.uuid;
+ lcfg.lcfg_inllen2 = strlen(lcfg.lcfg_inlbuf2) + 1;
+ err = class_process_config(&lcfg);
+ if (err < 0)
+ GOTO(out_del_uuid, err);
+
+ LCFG_INIT(lcfg, LCFG_SETUP, name);
+ lcfg.lcfg_inlbuf1 = lmd->lmd_mds;
+ lcfg.lcfg_inllen1 = strlen(lcfg.lcfg_inlbuf1) + 1;
+ lcfg.lcfg_inlbuf2 = peer;
+ lcfg.lcfg_inllen2 = strlen(lcfg.lcfg_inlbuf2) + 1;
+ err = class_process_config(&lcfg);
+ if (err < 0)
+ GOTO(out_detach, err);
+
+ obd = class_name2obd(name);
+ if (obd == NULL)
+ GOTO(out_cleanup, err = -EINVAL);
+
+ /* Disable initial recovery on this import */
+ err = obd_set_info(obd->obd_self_export,
+ strlen("initial_recov"), "initial_recov",
+ sizeof(allow_recov), &allow_recov);
+ if (err)
+ GOTO(out_cleanup, err);
+
+ err = obd_connect(&mdc_conn, obd, &mdc_uuid);
if (err) {
- CERROR("cannot mds_connect: rc = %d\n", err);
- GOTO(out_osc, err);
+ CERROR("cannot connect to %s: rc = %d\n", lmd->lmd_mds, err);
+ GOTO(out_cleanup, err);
}
- CDEBUG(D_SUPER, "rootfid "LPU64"\n", rootfid.id);
- sbi->ll_rootino = rootfid.id;
- sb->s_op = &ll_super_operations;
+ exp = class_conn2export(&mdc_conn);
- /* 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);
- if (err) {
- CERROR("mdc_getattr failed for root: rc = %d\n", err);
- GOTO(out_osc, err);
+ ctxt = llog_get_context(&exp->exp_obd->obd_llogs, LLOG_CONFIG_REPL_CTXT);
+#if 1
+ rc = class_config_parse_llog(ctxt, profile, cfg);
+#else
+ /*
+ * For debugging, it's useful to just dump the log
+ */
+ rc = class_config_dump_llog(ctxt, profile, cfg);
+#endif
+ if (rc) {
+ CERROR("class_config_parse_llog failed: rc = %d\n", rc);
}
- /* 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);
- if (err) {
- CERROR("failed to start commit callback daemon: rc = %d\n",err);
- ptlrpc_req_finished (request);
- GOTO(out_lliod, err);
+ err = obd_disconnect(exp, 0);
+
+out_cleanup:
+ LCFG_INIT(lcfg, LCFG_CLEANUP, name);
+ err = class_process_config(&lcfg);
+ if (err < 0)
+ GOTO(out, err);
+
+out_detach:
+ LCFG_INIT(lcfg, LCFG_DETACH, name);
+ err = class_process_config(&lcfg);
+ if (err < 0)
+ GOTO(out, err);
+
+out_del_uuid:
+ LCFG_INIT(lcfg, LCFG_DEL_UUID, name);
+ lcfg.lcfg_inllen1 = strlen(peer) + 1;
+ lcfg.lcfg_inlbuf1 = peer;
+ err = class_process_config(&lcfg);
+
+out_del_conn:
+ if (lmd->lmd_nal == SOCKNAL) {
+ PCFG_INIT(pcfg, NAL_CMD_DEL_AUTOCONN);
+ pcfg.pcfg_nal = lmd->lmd_nal;
+ pcfg.pcfg_nid = lmd->lmd_server_nid;
+ pcfg.pcfg_id = lmd->lmd_server_ipaddr;
+ pcfg.pcfg_flags = 1; /*share*/
+ err = libcfs_nal_cmd(&pcfg);
+ if (err <0)
+ GOTO(out, err);
}
+out:
+ if (rc == 0)
+ rc = err;
- err = mdc_req2lustre_md(request, 0, &sbi->ll_osc_conn, &md);
- if (err) {
- CERROR("failed to understand root inode md: rc = %d\n",err);
- ptlrpc_req_finished (request);
- GOTO(out_lliod, err);
- }
+ RETURN(rc);
+}
- 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
+int lustre_fill_super(struct super_block *sb, void *data, int silent)
+{
+ struct lustre_mount_data * lmd = data;
+ struct ll_sb_info *sbi;
+ char *osc = NULL;
+ char *mdc = NULL;
+ int err;
+ ENTRY;
- ptlrpc_req_finished(request);
+ CDEBUG(D_VFSTRACE, "VFS Op: sb %p\n", sb);
+ if (lmd_bad_magic(lmd))
+ RETURN(-EINVAL);
- if (root == NULL || is_bad_inode(root)) {
- /* XXX might need iput() for bad inode */
- CERROR("lustre_lite: bad iget4 for root\n");
- GOTO(out_cbd, err = -EBADF);
+ sbi = lustre_init_sbi(sb);
+ if (!sbi)
+ RETURN(-ENOMEM);
+
+ sbi->ll_flags |= LL_SBI_READAHEAD;
+
+ if (lmd->lmd_profile) {
+ struct lustre_profile *lprof;
+ struct config_llog_instance cfg;
+ int len;
+
+ if (lmd->lmd_mds[0] == '\0') {
+ CERROR("no mds name\n");
+ GOTO(out_free, err = -EINVAL);
+ }
+
+ OBD_ALLOC(sbi->ll_lmd, sizeof(*sbi->ll_lmd));
+ if (sbi->ll_lmd == NULL)
+ GOTO(out_free, 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_free, 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_free, err);
+ }
+
+ lprof = class_get_profile(lmd->lmd_profile);
+ if (lprof == NULL) {
+ CERROR("No profile found: %s\n", lmd->lmd_profile);
+ GOTO(out_free, err = -EINVAL);
+ }
+ if (osc)
+ OBD_FREE(osc, strlen(osc) + 1);
+ OBD_ALLOC(osc, strlen(lprof->lp_osc) +
+ strlen(sbi->ll_instance) + 2);
+ sprintf(osc, "%s-%s", lprof->lp_osc, sbi->ll_instance);
+
+ if (mdc)
+ OBD_FREE(mdc, strlen(mdc) + 1);
+ OBD_ALLOC(mdc, strlen(lprof->lp_mdc) +
+ strlen(sbi->ll_instance) + 2);
+ sprintf(mdc, "%s-%s", lprof->lp_mdc, sbi->ll_instance);
}
-#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);
+ if (!osc) {
+ CERROR("no osc\n");
+ GOTO(out_free, err = -EINVAL);
}
-#endif
- sb->s_root = d_alloc_root(root);
- if (proc_lustre_fs_root) {
- err = lprocfs_register_mountpoint(proc_lustre_fs_root, sb,
- osc, mdc);
- if (err < 0)
- CERROR("could not register mount in /proc/lustre");
+ if (!mdc) {
+ CERROR("no mdc\n");
+ GOTO(out_free, err = -EINVAL);
}
+ err = lustre_common_fill_super(sb, mdc, osc);
+
+ if (err)
+ GOTO(out_free, err);
+
out_dev:
if (mdc)
OBD_FREE(mdc, strlen(mdc) + 1);
RETURN(err);
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-out_root:
- iput(root);
-#endif
-out_cbd:
- ll_commitcbd_cleanup(sbi);
-out_lliod:
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
- lliod_stop(sbi);
-#endif
-out_osc:
- obd_disconnect(&sbi->ll_osc_conn, 0);
-out_mdc:
- obd_disconnect(&sbi->ll_mdc_conn, 0);
out_free:
- lprocfs_unregister_mountpoint(sbi);
- OBD_FREE(sbi, sizeof(*sbi));
-
- goto out_dev;
-} /* ll_read_super */
-
-void ll_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;
+ if (sbi->ll_lmd) {
+ int len = strlen(sbi->ll_lmd->lmd_profile) + sizeof("-clean")+1;
+ int err;
- 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);
+ if (sbi->ll_instance != NULL) {
+ char * cln_prof;
+ struct config_llog_instance cfg;
- /* 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);
-
- lprocfs_unregister_mountpoint(sbi);
- if (sbi->ll_proc_root) {
- lprocfs_remove(sbi->ll_proc_root);
- sbi->ll_proc_root = NULL;
- }
+ cfg.cfg_instance = sbi->ll_instance;
+ cfg.cfg_uuid = sbi->ll_sb_uuid;
- obd_disconnect(&sbi->ll_mdc_conn, 0);
+ OBD_ALLOC(cln_prof, len);
+ sprintf(cln_prof, "%s-clean", sbi->ll_lmd->lmd_profile);
- 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
- hlist_for_each_safe(tmp, next, &sbi->ll_orphan_dentry_list) {
- struct dentry *dentry = hlist_entry(tmp, struct dentry, d_hash);
- shrink_dcache_parent(dentry);
+ err = lustre_process_log(sbi->ll_lmd, cln_prof, &cfg,
+ 0);
+ if (err < 0)
+ CERROR("Unable to process log: %s\n", cln_prof);
+ OBD_FREE(cln_prof, len);
+ OBD_FREE(sbi->ll_instance, strlen(sbi->ll_instance)+ 1);
+ }
+ OBD_FREE(sbi->ll_lmd, sizeof(*sbi->ll_lmd));
}
-#endif
- spin_unlock(&dcache_lock);
-
- OBD_FREE(sbi, sizeof(*sbi));
+ lustre_free_sbi(sb);
- EXIT;
-} /* ll_put_super */
+ goto out_dev;
+} /* lustre_fill_super */
-void ll_clear_inode(struct inode *inode)
+static void lustre_manual_cleanup(struct ll_sb_info *sbi)
{
- struct ll_sb_info *sbi = ll_i2sbi(inode);
- struct ll_inode_info *lli = ll_i2info(inode);
- int rc;
- 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 */
- }
+ struct lustre_cfg lcfg;
+ struct obd_device *obd;
+ int next = 0;
- if (atomic_read(&inode->i_count) != 0)
- CERROR("clearing in-use inode %lu: count = %d\n",
- inode->i_ino, atomic_read(&inode->i_count));
+ while ((obd = class_devices_in_group(&sbi->ll_sb_uuid, &next)) != NULL)
+ {
+ int err;
- 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 */
+ LCFG_INIT(lcfg, LCFG_CLEANUP, obd->obd_name);
+ err = class_process_config(&lcfg);
+ if (err) {
+ CERROR("cleanup failed: %s\n", obd->obd_name);
+ //continue;
}
- obd_free_memmd(&sbi->ll_osc_conn, &lli->lli_smd);
- lli->lli_smd = NULL;
- }
- if (lli->lli_symlink_name) {
- OBD_FREE(lli->lli_symlink_name,
- strlen(lli->lli_symlink_name) + 1);
- lli->lli_symlink_name = NULL;
+ LCFG_INIT(lcfg, LCFG_DETACH, obd->obd_name);
+ err = class_process_config(&lcfg);
+ if (err) {
+ CERROR("detach failed: %s\n", obd->obd_name);
+ //continue;
+ }
}
- EXIT;
+ if (sbi->ll_lmd != NULL)
+ class_del_profile(sbi->ll_lmd->lmd_profile);
}
-#if 0
-static void ll_delete_inode(struct inode *inode)
+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: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);
+ CDEBUG(D_VFSTRACE, "VFS Op: sb %p\n", sb);
+ obd = class_exp2obd(sbi->ll_mdc_exp);
+ if (obd)
+ force_umount = obd->obd_no_recov;
+ obd = NULL;
+
+ lustre_common_put_super(sb);
+
+ if (sbi->ll_lmd != NULL) {
+ char * cln_prof;
+ int len = strlen(sbi->ll_lmd->lmd_profile) + sizeof("-clean")+1;
+ int err;
+ struct config_llog_instance cfg;
- if (lsm->lsm_object_id == 0) {
- CERROR("This really happens\n");
- /* No obdo was ever created */
- GOTO(out, 0);
+ if (force_umount) {
+ CERROR("force umount, doing manual cleanup\n");
+ lustre_manual_cleanup(sbi);
+ GOTO(free_lmd, 0);
}
- oa = obdo_alloc();
- if (oa == NULL)
- GOTO(out, -ENOMEM);
+ cfg.cfg_instance = sbi->ll_instance;
+ cfg.cfg_uuid = sbi->ll_sb_uuid;
- oa->o_id = lsm->lsm_object_id;
- oa->o_valid = OBD_MD_FLID;
- obdo_from_inode(oa, inode, OBD_MD_FLTYPE);
+ OBD_ALLOC(cln_prof, len);
+ sprintf(cln_prof, "%s-clean", sbi->ll_lmd->lmd_profile);
- 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);
+ err = lustre_process_log(sbi->ll_lmd, cln_prof, &cfg, 0);
+ if (err < 0) {
+ CERROR("Unable to process log: %s, doing manual cleanup"
+ "\n", cln_prof);
+ lustre_manual_cleanup(sbi);
+ }
+
+ OBD_FREE(cln_prof, len);
+ free_lmd:
+ OBD_FREE(sbi->ll_lmd, sizeof(*sbi->ll_lmd));
+ OBD_FREE(sbi->ll_instance, strlen(sbi->ll_instance) + 1);
}
-out:
- clear_inode(inode);
+
+ lustre_free_sbi(sb);
+
EXIT;
+} /* lustre_put_super */
+
+
+struct inode *ll_inode_from_lock(struct ldlm_lock *lock)
+{
+ struct inode *inode;
+ l_lock(&lock->l_resource->lr_namespace->ns_lock);
+ if (lock->l_ast_data)
+ inode = igrab(lock->l_ast_data);
+ else
+ inode = NULL;
+ l_unlock(&lock->l_resource->lr_namespace->ns_lock);
+ return inode;
}
-#endif
-/* like inode_setattr, but doesn't mark the inode dirty */
-int ll_attr2inode(struct inode *inode, struct iattr *attr, int trunc)
+int null_if_equal(struct ldlm_lock *lock, void *data)
{
- unsigned int ia_valid = attr->ia_valid;
- int error = 0;
+ if (data == lock->l_ast_data)
+ lock->l_ast_data = NULL;
- if ((ia_valid & ATTR_SIZE) && trunc) {
- if (attr->ia_size > ll_file_maxbytes(inode)) {
- error = -EFBIG;
- goto out;
- }
- 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 (lock->l_req_mode != lock->l_granted_mode)
+ return LDLM_ITER_STOP;
+
+ return LDLM_ITER_CONTINUE;
}
-int ll_inode_setattr(struct inode *inode, struct iattr *attr, int do_trunc)
+void ll_clear_inode(struct inode *inode)
{
- struct ptlrpc_request *request = NULL;
+ struct ll_fid fid;
+ struct ll_inode_info *lli = ll_i2info(inode);
struct ll_sb_info *sbi = ll_i2sbi(inode);
- int err = 0;
ENTRY;
- /* change incore inode */
- err = ll_attr2inode(inode, attr, do_trunc);
- if (err)
- RETURN(err);
+ CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu/%u(%p)\n", inode->i_ino,
+ inode->i_generation, inode);
- /* 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;
+ ll_inode2fid(&fid, inode);
+ clear_bit(LLI_F_HAVE_MDS_SIZE_LOCK, &(ll_i2info(inode)->lli_flags));
+ md_change_cbdata(sbi->ll_mdc_exp, &fid, null_if_equal, inode);
- 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);
+ if (lli->lli_smd)
+ obd_change_cbdata(sbi->ll_osc_exp, lli->lli_smd,
+ null_if_equal, inode);
- 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;
+ if (lli->lli_smd) {
+ obd_free_memmd(sbi->ll_osc_exp, &lli->lli_smd);
+ lli->lli_smd = NULL;
+ }
-#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;
- }
- }
+ if (lli->lli_mea) {
+ /* FIXME: change cbdata for mea here */
+ obd_free_memmd(sbi->ll_mdc_exp,
+ (struct lov_stripe_md **) &lli->lli_mea);
+ lli->lli_mea = NULL;
}
- RETURN(err);
+ if (lli->lli_symlink_name) {
+ OBD_FREE(lli->lli_symlink_name,
+ strlen(lli->lli_symlink_name) + 1);
+ lli->lli_symlink_name = NULL;
+ }
+
+ 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_sb_info *sbi = ll_i2sbi(inode);
struct ptlrpc_request *request = NULL;
struct mdc_op_data op_data;
- time_t now = LTIME_S(CURRENT_TIME);
int ia_valid = attr->ia_valid;
int 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);
+ LTIME_S(attr->ia_mtime), LTIME_S(attr->ia_ctime),
+ LTIME_S(CURRENT_TIME));
if (lsm)
attr->ia_valid &= ~ATTR_SIZE;
/* 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);
-
+ rc = md_setattr(sbi->ll_mdc_exp, &op_data,
+ attr, NULL, 0, NULL, 0, &request);
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_mdc_exp, request, 0,
+ sbi->ll_osc_exp, &md);
if (rc) {
ptlrpc_req_finished(request);
RETURN(rc);
}
- ll_update_inode(inode, md.body, md.lsm);
+
+ /* Won't invoke vmtruncate as we already cleared ATTR_SIZE,
+ * but needed to set timestamps backwards on utime. */
+ 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);
}
/* from sys_utime() */
if (!(ia_valid & (ATTR_MTIME_SET | ATTR_ATIME_SET))) {
if (current->fsuid != inode->i_uid &&
- (rc = permission(inode, MAY_WRITE)) != 0)
+ (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);
+ /* from inode_change_ok() */
+ if (current->fsuid != inode->i_uid &&
+ !capable(CAP_FOWNER))
+ RETURN(-EPERM);
}
}
inode_setattr(inode, attr);
}
+ /* 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) {
- struct ldlm_extent extent = { .start = attr->ia_size,
- .end = OBD_OBJECT_EOF };
+ ldlm_policy_data_t policy = { .l_extent = {attr->ia_size,
+ OBD_OBJECT_EOF } };
struct lustre_handle lockh = { 0 };
- int err;
+ 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;
- /* 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);
+ 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);
+ rc = ll_extent_lock(NULL, inode, lsm, LCK_PW, &policy, &lockh,
+ ast_flags);
down(&inode->i_sem);
- if (rc != ELDLM_OK) {
- if (rc > 0)
- RETURN(-ENOLCK);
+ if (rc != 0)
RETURN(rc);
- }
rc = vmtruncate(inode, attr->ia_size);
- if (rc == 0)
- set_bit(LLI_F_HAVE_SIZE_LOCK,
- &ll_i2info(inode)->lli_flags);
+ /* We need to drop the semaphore here, because this unlock may
+ * result in a cancellation, which will need the i_sem */
+ up(&inode->i_sem);
/* 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);
+ down(&inode->i_sem);
if (err) {
CERROR("ll_extent_unlock failed: %d\n", err);
if (!rc)
struct obdo oa;
CDEBUG(D_INODE, "set mtime on OST inode %lu to %lu\n",
- inode->i_ino, attr->ia_mtime);
+ inode->i_ino, LTIME_S(attr->ia_mtime));
oa.o_id = lsm->lsm_object_id;
- oa.o_valid = OBD_MD_FLID;
+ oa.o_gr = lsm->lsm_object_gr;
+ oa.o_valid = OBD_MD_FLID | OBD_MD_FLGROUP;
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);
+ rc = obd_setattr(sbi->ll_osc_exp, &oa, lsm, NULL);
if (rc)
CERROR("obd_setattr fails: rc=%d\n", 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;
-
- lprocfs_counter_incr(ll_i2sbi(de->d_inode)->ll_stats, LPROC_LL_SETATTR);
- return ll_inode_setattr(de->d_inode, attr, 1);
+ LBUG(); /* code is unused, but leave this in case of VFS changes */
+ RETURN(-ENOSYS);
}
int ll_statfs_internal(struct super_block *sb, struct obd_statfs *osfs,
int rc;
ENTRY;
- rc = obd_statfs(class_conn2obd(&sbi->ll_mdc_conn), osfs, max_age);
+ rc = obd_statfs(class_exp2obd(sbi->ll_mdc_exp), osfs, max_age);
if (rc) {
CERROR("mdc_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_conn2obd(&sbi->ll_osc_conn), &obd_osfs, max_age);
+ rc = obd_statfs(class_exp2obd(sbi->ll_osc_exp), &obd_osfs, max_age);
if (rc) {
CERROR("obd_statfs fails: rc = %d\n", rc);
RETURN(rc);
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",
+ CDEBUG(level, "objid "LPX64", maxbytes "LPX64", magic 0x%08X, "
+ "stripe_size %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);
+ lsm->lsm_stripe_size, lsm->lsm_stripe_count);
}
-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 mds_body *body = md->body;
+ struct lov_stripe_md *lsm = md->lsm;
+ struct mea *mea = md->mea;
+ ENTRY;
- LASSERT ((lsm != NULL) == ((body->valid & OBD_MD_FLEASIZE) != 0));
+ LASSERT((lsm != NULL) == ((body->valid & OBD_MD_FLEASIZE) != 0));
+ 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;
LBUG();
}
}
+ /* 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_i2obdexp(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_i2mdcexp(inode),
+ (struct lov_stripe_md **) &mea);
+
}
if (body->valid & OBD_MD_FLID)
inode->i_ino = body->ino;
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 (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);
+
+ lli->lli_mds = body->mds;
+ inode->i_dev = (kdev_t) body->mds;
+ LASSERT(body->mds < 1000);
}
+#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);
+ /* 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)
+int ll_iocontrol(struct inode *inode, struct file *file,
+ unsigned int cmd, unsigned long arg)
{
- return it->it_disposition & flag;
-}
+ struct ll_sb_info *sbi = ll_i2sbi(inode);
+ struct ptlrpc_request *req = NULL;
+ int rc, flags = 0;
+ ENTRY;
-void it_set_disposition(struct lookup_intent *it, int flag)
-{
- it->it_disposition |= flag;
+ switch(cmd) {
+ case EXT3_IOC_GETFLAGS: {
+ struct ll_fid fid;
+ unsigned long valid = OBD_MD_FLFLAGS;
+ struct mds_body *body;
+
+ ll_inode2fid(&fid, inode);
+ rc = md_getattr(sbi->ll_mdc_exp, &fid, valid, 0, &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);
+
+ ll_prepare_mdc_op_data(&op_data, inode, NULL, NULL, 0, 0);
+
+ memset(&attr, 0x0, sizeof(attr));
+ attr.ia_attr_flags = flags;
+ attr.ia_valid |= ATTR_ATTR_FLAG;
+
+ rc = md_setattr(sbi->ll_mdc_exp, &op_data,
+ &attr, NULL, 0, NULL, 0, &req);
+ 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;
+ oa->o_valid = OBD_MD_FLID | OBD_MD_FLFLAGS | OBD_MD_FLGROUP;
+
+ rc = obd_setattr(sbi->ll_osc_exp, oa, lsm, 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);
}
void ll_umount_begin(struct super_block *sb)
ENTRY;
CDEBUG(D_VFSTRACE, "VFS Op:\n");
- obd = class_conn2obd(&sbi->ll_mdc_conn);
+ obd = class_exp2obd(sbi->ll_mdc_exp);
if (obd == NULL) {
CERROR("Invalid MDC connection handle "LPX64"\n",
- sbi->ll_mdc_conn.cookie);
+ sbi->ll_mdc_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,
+ obd_iocontrol(IOC_OSC_SET_ACTIVE, sbi->ll_mdc_exp, sizeof ioc_data,
&ioc_data, NULL);
- obd = class_conn2obd(&sbi->ll_osc_conn);
+ obd = class_exp2obd(sbi->ll_osc_exp);
+ if (obd == NULL) {
+ CERROR("Invalid LOV connection handle "LPX64"\n",
+ sbi->ll_osc_exp->exp_handle.h_cookie);
+ EXIT;
+ return;
+ }
+
obd->obd_no_recov = 1;
- obd_iocontrol(IOC_OSC_SET_ACTIVE, &sbi->ll_osc_conn, sizeof ioc_data,
+ obd_iocontrol(IOC_OSC_SET_ACTIVE, sbi->ll_osc_exp, sizeof ioc_data,
&ioc_data, NULL);
/* Really, we'd like to wait until there are no requests outstanding,
EXIT;
}
+
+int ll_prep_inode(struct obd_export *osc_exp, struct obd_export *mdc_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(mdc_exp, req, offset, osc_exp, &md);
+ if (rc)
+ RETURN(rc);
+
+ if (*inode) {
+ ll_update_inode(*inode, &md);
+ } else {
+ LASSERT(sb);
+ *inode = ll_iget(sb, md.body->ino, &md);
+ if (*inode == NULL || is_bad_inode(*inode)) {
+ /* free the lsm if we allocated one above */
+ if (md.lsm != NULL)
+ obd_free_memmd(osc_exp, &md.lsm);
+ if (md.mea != NULL)
+ obd_free_memmd(mdc_exp,
+ (struct lov_stripe_md**)&md.mea);
+ rc = -ENOMEM;
+ CERROR("new_inode -fatal: rc %d\n", rc);
+ }
+ }
+
+ RETURN(rc);
+}