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| author | Andrew Morton <akpm@linux-foundation.org> | 2009-01-06 14:39:11 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-06 15:59:00 -0800 |
| commit | 82fd1a9a8ced9607312b54859572bcc6211e8919 (patch) | |
| tree | fc537a866c670a4c54895a7f75b5ccfbdeeb034c /mm/page-writeback.c | |
| parent | d5482cdf8a0aacb1e6468a97d5544f5829c8d8c4 (diff) | |
| download | lwn-82fd1a9a8ced9607312b54859572bcc6211e8919.tar.gz lwn-82fd1a9a8ced9607312b54859572bcc6211e8919.zip | |
mm: write_cache_pages more terminate quickly
Now that we have the early-termination logic in place, it makes sense to
bail out early in all other cases where done is set to 1.
Signed-off-by: Nick Piggin <npiggin@suse.de>
Cc: Chris Mason <chris.mason@oracle.com>
Cc: Dave Chinner <david@fromorbit.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/page-writeback.c')
| -rw-r--r-- | mm/page-writeback.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/mm/page-writeback.c b/mm/page-writeback.c index 0d986c13d473..08d2b960b294 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -983,12 +983,15 @@ continue_unlock: if (wbc->sync_mode == WB_SYNC_NONE) { wbc->nr_to_write--; - if (wbc->nr_to_write <= 0) + if (wbc->nr_to_write <= 0) { done = 1; + break; + } } if (wbc->nonblocking && bdi_write_congested(bdi)) { wbc->encountered_congestion = 1; done = 1; + break; } } pagevec_release(&pvec); |