diff options
| author | Christoph Hellwig <hch@sgi.com> | 2006-01-11 20:49:42 +1100 |
|---|---|---|
| committer | Nathan Scott <nathans@sgi.com> | 2006-01-11 20:49:42 +1100 |
| commit | f5e596bbef3b0fa583c66c5a83dc9737c0fe2610 (patch) | |
| tree | 5e6e318574c86865eb87b3eb897c199823b85467 /fs | |
| parent | 6c4fe19f66a839bce68fcb7b99cdcb0f31c7a59e (diff) | |
[XFS] fix writeback control handling fix a reversed condition on where to
trylock and deal with block layer congestion properly. Patch from David
Chinner and Christoph Hellwig.
SGI-PV: 947118
SGI-Modid: xfs-linux-melb:xfs-kern:203830a
Signed-off-by: Christoph Hellwig <hch@sgi.com>
Signed-off-by: Nathan Scott <nathans@sgi.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/xfs/linux-2.6/xfs_aops.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c index 9ea33ea6a22..52707b5ddcb 100644 --- a/fs/xfs/linux-2.6/xfs_aops.c +++ b/fs/xfs/linux-2.6/xfs_aops.c @@ -722,8 +722,17 @@ xfs_convert_page( SetPageUptodate(page); if (startio) { - if (count) - wbc->nr_to_write--; + if (count) { + struct backing_dev_info *bdi; + + bdi = inode->i_mapping->backing_dev_info; + if (bdi_write_congested(bdi)) { + wbc->encountered_congestion = 1; + done = 1; + } else if (--wbc->nr_to_write <= 0) { + done = 1; + } + } xfs_start_page_writeback(page, wbc, !page_dirty, count); } @@ -812,7 +821,7 @@ xfs_page_state_convert( int all_bh = unmapped; /* wait for other IO threads? */ - if (startio && wbc->sync_mode != WB_SYNC_NONE) + if (startio && (wbc->sync_mode == WB_SYNC_NONE && wbc->nonblocking)) trylock_flag |= BMAPI_TRYLOCK; /* Is this page beyond the end of the file? */ |