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[PATCH] set_page_dirty() return value fixes

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We need set_page_dirty() to return true if it actually transitioned the page
from a clean to dirty state.  This wasn't right in a couple of places.  Do a
kernel-wide audit, fix things up.

This leaves open the possibility of returning a negative errno from
set_page_dirty() sometime in the future.  But we don't do that at present.

Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Andrew Morton 2006-03-24 03:18:11 -08:00 • committed by Linus Torvalds
commit 4741c9fd36
5 changed files with 11 additions and 9 deletions
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3
drivers/block/rd.c
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@ -186,7 +186,8 @@ static int ramdisk_writepages(struct address_space *mapping,
*/
static int ramdisk_set_page_dirty(struct page *page)
{
SetPageDirty(page);
if (!TestSetPageDirty(page))
return 1;
return 0;
}