diff options
Diffstat (limited to 'fs/xfs/xfs_sync.c')
| -rw-r--r-- | fs/xfs/xfs_sync.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/fs/xfs/xfs_sync.c b/fs/xfs/xfs_sync.c index 1e9ee064dbb..96548176db8 100644 --- a/fs/xfs/xfs_sync.c +++ b/fs/xfs/xfs_sync.c @@ -359,6 +359,15 @@ xfs_quiesce_attr( * added an item to the AIL, thus flush it again. */ xfs_ail_push_all_sync(mp->m_ail); + + /* + * The superblock buffer is uncached and xfsaild_push() will lock and + * set the XBF_ASYNC flag on the buffer. We cannot do xfs_buf_iowait() + * here but a lock on the superblock buffer will block until iodone() + * has completed. + */ + xfs_buf_lock(mp->m_sb_bp); + xfs_buf_unlock(mp->m_sb_bp); } static void @@ -394,7 +403,7 @@ xfs_sync_worker( if (!(mp->m_super->s_flags & MS_ACTIVE) && !(mp->m_flags & XFS_MOUNT_RDONLY)) { /* dgc: errors ignored here */ - if (mp->m_super->s_frozen == SB_UNFROZEN && + if (mp->m_super->s_writers.frozen == SB_UNFROZEN && xfs_log_need_covered(mp)) error = xfs_fs_log_dummy(mp); else @@ -712,8 +721,8 @@ restart: * Note that xfs_iflush will never block on the inode buffer lock, as * xfs_ifree_cluster() can lock the inode buffer before it locks the * ip->i_lock, and we are doing the exact opposite here. As a result, - * doing a blocking xfs_itobp() to get the cluster buffer would result - * in an ABBA deadlock with xfs_ifree_cluster(). + * doing a blocking xfs_imap_to_bp() to get the cluster buffer would + * result in an ABBA deadlock with xfs_ifree_cluster(). * * As xfs_ifree_cluser() must gather all inodes that are active in the * cache to mark them stale, if we hit this case we don't actually want |