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-rw-r--r--fs/ocfs2/super.c97
1 files changed, 61 insertions, 36 deletions
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 0d3ed7407a04..b0ee0fdf799a 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -205,11 +205,10 @@ static const match_table_t tokens = {
#ifdef CONFIG_DEBUG_FS
static int ocfs2_osb_dump(struct ocfs2_super *osb, char *buf, int len)
{
- int out = 0;
- int i;
struct ocfs2_cluster_connection *cconn = osb->cconn;
struct ocfs2_recovery_map *rm = osb->recovery_map;
- struct ocfs2_orphan_scan *os;
+ struct ocfs2_orphan_scan *os = &osb->osb_orphan_scan;
+ int i, out = 0;
out += snprintf(buf + out, len - out,
"%10s => Id: %-s Uuid: %-s Gen: 0x%X Label: %-s\n",
@@ -234,20 +233,24 @@ static int ocfs2_osb_dump(struct ocfs2_super *osb, char *buf, int len)
"%10s => Opts: 0x%lX AtimeQuanta: %u\n", "Mount",
osb->s_mount_opt, osb->s_atime_quantum);
- out += snprintf(buf + out, len - out,
- "%10s => Stack: %s Name: %*s Version: %d.%d\n",
- "Cluster",
- (*osb->osb_cluster_stack == '\0' ?
- "o2cb" : osb->osb_cluster_stack),
- cconn->cc_namelen, cconn->cc_name,
- cconn->cc_version.pv_major, cconn->cc_version.pv_minor);
+ if (cconn) {
+ out += snprintf(buf + out, len - out,
+ "%10s => Stack: %s Name: %*s "
+ "Version: %d.%d\n", "Cluster",
+ (*osb->osb_cluster_stack == '\0' ?
+ "o2cb" : osb->osb_cluster_stack),
+ cconn->cc_namelen, cconn->cc_name,
+ cconn->cc_version.pv_major,
+ cconn->cc_version.pv_minor);
+ }
spin_lock(&osb->dc_task_lock);
out += snprintf(buf + out, len - out,
"%10s => Pid: %d Count: %lu WakeSeq: %lu "
"WorkSeq: %lu\n", "DownCnvt",
- task_pid_nr(osb->dc_task), osb->blocked_lock_count,
- osb->dc_wake_sequence, osb->dc_work_sequence);
+ (osb->dc_task ? task_pid_nr(osb->dc_task) : -1),
+ osb->blocked_lock_count, osb->dc_wake_sequence,
+ osb->dc_work_sequence);
spin_unlock(&osb->dc_task_lock);
spin_lock(&osb->osb_lock);
@@ -267,14 +270,15 @@ static int ocfs2_osb_dump(struct ocfs2_super *osb, char *buf, int len)
out += snprintf(buf + out, len - out,
"%10s => Pid: %d Interval: %lu Needs: %d\n", "Commit",
- task_pid_nr(osb->commit_task), osb->osb_commit_interval,
+ (osb->commit_task ? task_pid_nr(osb->commit_task) : -1),
+ osb->osb_commit_interval,
atomic_read(&osb->needs_checkpoint));
out += snprintf(buf + out, len - out,
- "%10s => State: %d NumTxns: %d TxnId: %lu\n",
+ "%10s => State: %d TxnId: %lu NumTxns: %d\n",
"Journal", osb->journal->j_state,
- atomic_read(&osb->journal->j_num_trans),
- osb->journal->j_trans_id);
+ osb->journal->j_trans_id,
+ atomic_read(&osb->journal->j_num_trans));
out += snprintf(buf + out, len - out,
"%10s => GlobalAllocs: %d LocalAllocs: %d "
@@ -300,9 +304,18 @@ static int ocfs2_osb_dump(struct ocfs2_super *osb, char *buf, int len)
atomic_read(&osb->s_num_inodes_stolen));
spin_unlock(&osb->osb_lock);
+ out += snprintf(buf + out, len - out, "OrphanScan => ");
+ out += snprintf(buf + out, len - out, "Local: %u Global: %u ",
+ os->os_count, os->os_seqno);
+ out += snprintf(buf + out, len - out, " Last Scan: ");
+ if (atomic_read(&os->os_state) == ORPHAN_SCAN_INACTIVE)
+ out += snprintf(buf + out, len - out, "Disabled\n");
+ else
+ out += snprintf(buf + out, len - out, "%lu seconds ago\n",
+ (get_seconds() - os->os_scantime.tv_sec));
+
out += snprintf(buf + out, len - out, "%10s => %3s %10s\n",
"Slots", "Num", "RecoGen");
-
for (i = 0; i < osb->max_slots; ++i) {
out += snprintf(buf + out, len - out,
"%10s %c %3d %10d\n",
@@ -311,13 +324,6 @@ static int ocfs2_osb_dump(struct ocfs2_super *osb, char *buf, int len)
i, osb->slot_recovery_generations[i]);
}
- os = &osb->osb_orphan_scan;
- out += snprintf(buf + out, len - out, "Orphan Scan=> ");
- out += snprintf(buf + out, len - out, "Local: %u Global: %u ",
- os->os_count, os->os_seqno);
- out += snprintf(buf + out, len - out, " Last Scan: %lu seconds ago\n",
- (get_seconds() - os->os_scantime.tv_sec));
-
return out;
}
@@ -771,6 +777,7 @@ static int ocfs2_sb_probe(struct super_block *sb,
}
di = (struct ocfs2_dinode *) (*bh)->b_data;
memset(stats, 0, sizeof(struct ocfs2_blockcheck_stats));
+ spin_lock_init(&stats->b_lock);
status = ocfs2_verify_volume(di, *bh, blksize, stats);
if (status >= 0)
goto bail;
@@ -1175,6 +1182,9 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent)
atomic_set(&osb->vol_state, VOLUME_MOUNTED_QUOTAS);
wake_up(&osb->osb_mount_event);
+ /* Start this when the mount is almost sure of being successful */
+ ocfs2_orphan_scan_start(osb);
+
mlog_exit(status);
return status;
@@ -1204,14 +1214,27 @@ static int ocfs2_get_sb(struct file_system_type *fs_type,
mnt);
}
+static void ocfs2_kill_sb(struct super_block *sb)
+{
+ struct ocfs2_super *osb = OCFS2_SB(sb);
+
+ /* Prevent further queueing of inode drop events */
+ spin_lock(&dentry_list_lock);
+ ocfs2_set_osb_flag(osb, OCFS2_OSB_DROP_DENTRY_LOCK_IMMED);
+ spin_unlock(&dentry_list_lock);
+ /* Wait for work to finish and/or remove it */
+ cancel_work_sync(&osb->dentry_lock_work);
+
+ kill_block_super(sb);
+}
+
static struct file_system_type ocfs2_fs_type = {
.owner = THIS_MODULE,
.name = "ocfs2",
.get_sb = ocfs2_get_sb, /* is this called when we mount
* the fs? */
- .kill_sb = kill_block_super, /* set to the generic one
- * right now, but do we
- * need to change that? */
+ .kill_sb = ocfs2_kill_sb,
+
.fs_flags = FS_REQUIRES_DEV|FS_RENAME_DOES_D_MOVE,
.next = NULL
};
@@ -1810,14 +1833,21 @@ static void ocfs2_dismount_volume(struct super_block *sb, int mnt_err)
debugfs_remove(osb->osb_ctxt);
+ /*
+ * Flush inode dropping work queue so that deletes are
+ * performed while the filesystem is still working
+ */
+ ocfs2_drop_all_dl_inodes(osb);
+
+ /* Orphan scan should be stopped as early as possible */
+ ocfs2_orphan_scan_stop(osb);
+
ocfs2_disable_quotas(osb);
ocfs2_shutdown_local_alloc(osb);
ocfs2_truncate_log_shutdown(osb);
- ocfs2_orphan_scan_stop(osb);
-
/* This will disable recovery and flush any recovery work. */
ocfs2_recovery_exit(osb);
@@ -1971,6 +2001,8 @@ static int ocfs2_initialize_super(struct super_block *sb,
snprintf(osb->dev_str, sizeof(osb->dev_str), "%u,%u",
MAJOR(osb->sb->s_dev), MINOR(osb->sb->s_dev));
+ ocfs2_orphan_scan_init(osb);
+
status = ocfs2_recovery_init(osb);
if (status) {
mlog(ML_ERROR, "Unable to initialize recovery state\n");
@@ -1978,13 +2010,6 @@ static int ocfs2_initialize_super(struct super_block *sb,
goto bail;
}
- status = ocfs2_orphan_scan_init(osb);
- if (status) {
- mlog(ML_ERROR, "Unable to initialize delayed orphan scan\n");
- mlog_errno(status);
- goto bail;
- }
-
init_waitqueue_head(&osb->checkpoint_event);
atomic_set(&osb->needs_checkpoint, 0);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.