diff options
Diffstat (limited to 'fs/xfs/xfs_sync.c')
| -rw-r--r-- | fs/xfs/xfs_sync.c | 29 |
1 files changed, 16 insertions, 13 deletions
diff --git a/fs/xfs/xfs_sync.c b/fs/xfs/xfs_sync.c index a687616..e898d18 100644 --- a/fs/xfs/xfs_sync.c +++ b/fs/xfs/xfs_sync.c @@ -323,6 +323,9 @@ xfs_quiesce_data( * Second stage of a quiesce. The data is already synced, now we have to take * care of the metadata. New transactions are already blocked, so we need to * wait for any remaining transactions to drain out before proceeding. + * + * Note: this stops background sync work - the callers must ensure it is started + * again when appropriate. */ void xfs_quiesce_attr( @@ -341,6 +344,9 @@ xfs_quiesce_attr( /* flush all pending changes from the AIL */ xfs_ail_push_all_sync(mp->m_ail); + /* stop background sync work */ + cancel_delayed_work_sync(&mp->m_sync_work); + /* * Just warn here till VFS can correctly support * read-only remount without racing. @@ -379,9 +385,8 @@ xfs_syncd_queue_sync( } /* - * Every sync period we need to unpin all items in the AIL and push them to - * disk. If there is nothing dirty, then we might need to cover the log to - * indicate that the filesystem is idle and not frozen. + * Every sync period we need to push dirty metadata and try to cover the log + * to indicate the filesystem is idle and not frozen. */ void xfs_sync_worker( @@ -391,17 +396,15 @@ xfs_sync_worker( struct xfs_mount, m_sync_work); int error; - if (!(mp->m_flags & XFS_MOUNT_RDONLY)) { - /* dgc: errors ignored here */ - if (mp->m_super->s_writers.frozen == SB_UNFROZEN && - xfs_log_need_covered(mp)) - error = xfs_fs_log_dummy(mp); - else - xfs_log_force(mp, 0); + /* dgc: errors ignored here */ + if (mp->m_super->s_writers.frozen == SB_UNFROZEN && + xfs_log_need_covered(mp)) + error = xfs_fs_log_dummy(mp); + else + xfs_log_force(mp, 0); - /* start pushing all the metadata that is currently dirty */ - xfs_ail_push_all(mp->m_ail); - } + /* start pushing all the metadata that is currently dirty */ + xfs_ail_push_all(mp->m_ail); /* queue us up again */ xfs_syncd_queue_sync(mp); |
