[XFS] make SYNC_DELWRI no longer use xfs_sync
Continue to de-multiplex xfs_sync be replacing all SYNC_DELWRI callers with direct calls functions that do the work. Isolate the data quiesce case to a function in xfs_sync.c. Isolate the FSDATA case with explicit calls to xfs_sync_fsdata(). Version 2: o Push delwri related log forces into xfs_sync_inodes(). SGI-PV: 988140 SGI-Modid: xfs-linux-melb:xfs-kern:32309a Signed-off-by: David Chinner <david@fromorbit.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Signed-off-by: Christoph Hellwig <hch@infradead.org>
This commit is contained in:
committed by
Lachlan McIlroy
parent
be97d9d557
commit
e9f1c6ee12
@ -998,7 +998,6 @@ xfs_fs_put_super(
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int error;
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xfs_syncd_stop(mp);
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xfs_log_force(mp, 0, XFS_LOG_FORCE|XFS_LOG_SYNC);
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xfs_sync_inodes(mp, SYNC_ATTR|SYNC_DELWRI);
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#ifdef HAVE_DMAPI
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@ -1057,7 +1056,7 @@ xfs_fs_write_super(
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struct super_block *sb)
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{
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if (!(sb->s_flags & MS_RDONLY))
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xfs_sync(XFS_M(sb), SYNC_FSDATA);
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xfs_sync_fsdata(XFS_M(sb), 0);
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sb->s_dirt = 0;
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}
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@ -1068,7 +1067,6 @@ xfs_fs_sync_super(
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{
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struct xfs_mount *mp = XFS_M(sb);
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int error;
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int flags;
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/*
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* Treat a sync operation like a freeze. This is to work
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@ -1082,20 +1080,10 @@ xfs_fs_sync_super(
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* dirty the Linux inode until after the transaction I/O
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* completes.
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*/
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if (wait || unlikely(sb->s_frozen == SB_FREEZE_WRITE)) {
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/*
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* First stage of freeze - no more writers will make progress
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* now we are here, so we flush delwri and delalloc buffers
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* here, then wait for all I/O to complete. Data is frozen at
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* that point. Metadata is not frozen, transactions can still
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* occur here so don't bother flushing the buftarg (i.e
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* SYNC_QUIESCE) because it'll just get dirty again.
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*/
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flags = SYNC_DATA_QUIESCE;
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} else
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flags = SYNC_FSDATA;
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error = xfs_sync(mp, flags);
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if (wait || unlikely(sb->s_frozen == SB_FREEZE_WRITE))
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error = xfs_quiesce_data(mp);
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else
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error = xfs_sync_fsdata(mp, 0);
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sb->s_dirt = 0;
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if (unlikely(laptop_mode)) {
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@ -1233,8 +1221,7 @@ xfs_fs_remount(
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/* rw -> ro */
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if (!(mp->m_flags & XFS_MOUNT_RDONLY) && (*flags & MS_RDONLY)) {
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xfs_filestream_flush(mp);
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xfs_sync(mp, SYNC_DATA_QUIESCE);
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xfs_quiesce_data(mp);
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xfs_attr_quiesce(mp);
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mp->m_flags |= XFS_MOUNT_RDONLY;
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}
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