diff options
| author | Eric Sandeen <sandeen@sandeen.net> | 2009-07-31 00:02:17 -0500 |
|---|---|---|
| committer | Felix Blyakher <felixb@sgi.com> | 2009-07-31 00:02:17 -0500 |
| commit | a81655ae5a9da16a08ba14637dc6c10217e57492 (patch) | |
| tree | 123270ee588ecb071bc91be3c8fe7bd9d9fbef63 | |
| parent | ede58517ca93277547a0d054728c352618212d85 (diff) | |
| download | op-kernel-dev-a81655ae5a9da16a08ba14637dc6c10217e57492.zip op-kernel-dev-a81655ae5a9da16a08ba14637dc6c10217e57492.tar.gz | |
xfs: bump up nr_to_write in xfs_vm_writepage
VM calculation for nr_to_write seems off. Bump it way
up, this gets simple streaming writes zippy again.
To be reviewed again after Jens' writeback changes.
Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Eric Sandeen <sandeen@sandeen.net>
Cc: Chris Mason <chris.mason@oracle.com>
Reviewed-by: Felix Blyakher <felixb@sgi.com>
Signed-off-by: Felix Blyakher <felixb@sgi.com>
| -rw-r--r-- | fs/xfs/linux-2.6/xfs_aops.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c index 7ec89fc..aecf251 100644 --- a/fs/xfs/linux-2.6/xfs_aops.c +++ b/fs/xfs/linux-2.6/xfs_aops.c @@ -1268,6 +1268,14 @@ xfs_vm_writepage( if (!page_has_buffers(page)) create_empty_buffers(page, 1 << inode->i_blkbits, 0); + + /* + * VM calculation for nr_to_write seems off. Bump it way + * up, this gets simple streaming writes zippy again. + * To be reviewed again after Jens' writeback changes. + */ + wbc->nr_to_write *= 4; + /* * Convert delayed allocate, unwritten or unmapped space * to real space and flush out to disk. |
