tree be5ee7a264fea0d9f4b2d109b7e08b7a1ec794c9
parent 4f5a99d64c17470a784a6c68064207d82e3e74a5
author Nick Piggin <npiggin@suse.de> 1231281625 -0800
committer Linus Torvalds <torvalds@linux-foundation.org> 1231286349 -0800

fs: sync_sb_inodes fix

Fix data integrity semantics required by sys_sync, by iterating over all
inodes and waiting for any writeback pages after the initial writeout.
Comments explain the exact problem.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>