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authorPavel Machek <pavel@suse.cz>2006-08-08 11:58:01 +0200
committerAdrian Bunk <bunk@stusta.de>2006-08-08 11:58:01 +0200
commitd92165febdccd522e2a8b55008ffdb0ed121141a (patch)
treeafa5d789c3ac2e1fecaf90a231edab43b03f0672 /crypto/wp512.c
parent3d6cf29b3f117605c66583b9145f53d39c695a6e (diff)
pdflush: handle resume wakeups
2.6.16 needs this. It was merged into 2.6.18-rc1. pdflush is carefully designed to ensure that all wakeups have some corresponding work to do - if a woken-up pdflush thread discovers that it hasn't been given any work to do then this is considered an error. That all broke when swsusp came along - because a timer-delivered wakeup to a frozen pdflush thread will just get lost. This causes the pdflush thread to get lost as well: the writeback timer is supposed to be re-armed by pdflush in process context, but pdflush doesn't execute the callout which does this. Fix that up by ignoring the return value from try_to_freeze(): jsut proceed, see if we have any work pending and only go back to sleep if that is not the case. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org> Signed-off-by: Pavel Machek <pavel@suse.cz> Signed-off-by: Adrian Bunk <bunk@stusta.de>
Diffstat (limited to 'crypto/wp512.c')
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