migration: fix writepage error
Page migration's writeout() has got understandably confused by the nasty AOP_WRITEPAGE_ACTIVATE case: as in normal success, a writepage() error has unlocked the page, so writeout() then needs to relock it. Signed-off-by: Hugh Dickins <hugh@veritas.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Christoph Lameter <cl@linux-foundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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