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writeback: don't propagate AOP_WRITEPAGE_ACTIVATE

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patch e423003028 in mainline.

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

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>
This commit is contained in:
Andrew Morton
2007-10-16 23:18:32 -07:00
committed by Greg Kroah-Hartman
parent f8b98ff93b
commit 2e25e43319
1 changed files with 3 additions and 1 deletions
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mm/page-writeback.c
+3 -1
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@@ -672,8 +672,10 @@ retry:
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)) {