AcoSail/kernel_optimize_test
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writeback: don't propagate AOP_WRITEPAGE_ACTIVATE

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This is a writeback-internal marker but we're propagating it all the way back
to userspace!.

Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Andrew Morton 2007-10-16 23:26:02 -07:00 committed by Linus Torvalds
parent 7a4050791b
commit e423003028
1 changed files with 3 additions and 1 deletions
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4
mm/page-writeback.c
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@ -849,8 +849,10 @@ int write_cache_pages(struct address_space *mapping,
ret = (*writepage)(page, wbc, data);
if (unlikely(ret == AOP_WRITEPAGE_ACTIVATE))
if (unlikely(ret == AOP_WRITEPAGE_ACTIVATE)) {
unlock_page(page);
ret = 0;
}
if (ret || (--(wbc->nr_to_write) <= 0))
done = 1;
if (wbc->nonblocking && bdi_write_congested(bdi)) {