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authorHisashi Hifumi <hifumi.hisashi@oss.ntt.co.jp>2006-12-22 01:11:50 -0800
committerLinus Torvalds <torvalds@woody.osdl.org>2006-12-22 08:55:51 -0800
commit6f5a9da1af5a8c286575c30c2706dc1fbef9164b (patch)
tree42678c62fe6196d8d9fb7917c1f0e890fb0f50e4 /init/Makefile
parent6d3a25f1fb75206ae8b2b1cdd1431b3852e1a45a (diff)
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[PATCH] jbd: wait for already submitted t_sync_datalist buffer to complete
In the current jbd code, if a buffer on BJ_SyncData list is dirty and not locked, the buffer is refiled to BJ_Locked list, submitted to the IO and waited for IO completion. But the fsstress test showed the case that when a buffer was already submitted to the IO just before the buffer_dirty(bh) check, the buffer was not waited for IO completion. Following patch solves this problem. If it is assumed that a buffer is submitted to the IO before the buffer_dirty(bh) check and still being written to disk, this buffer is refiled to BJ_Locked list. Signed-off-by: Hisashi Hifumi <hifumi.hisashi@oss.ntt.co.jp> Cc: Jan Kara <jack@ucw.cz> Cc: "Stephen C. Tweedie" <sct@redhat.com> Cc: <linux-ext4@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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