diff options
| author | Andrew Morton <akpm@linux-foundation.org> | 2009-01-06 14:39:11 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2009-01-24 16:36:27 -0800 |
| commit | 7cef443310ed7e6317b19b94628c968aa210ce17 (patch) | |
| tree | d0b63b6d0d4e754d5bb8c562496459c629ed82db | |
| parent | e55e8f16723d5017aff16547e259e2c35766e4ad (diff) | |
mm: write_cache_pages more terminate quickly
commit 82fd1a9a8ced9607312b54859572bcc6211e8919 upstream.
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| -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 0f225bf6b8e..8875822d105 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -987,12 +987,15 @@ 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); |