f2fs: fix to flush multiple device in checkpoint

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If f2fs manages multiple devices, in checkpoint, we need to issue flush
in those devices which contain dirty data/node in their cache before
we write checkpoint region, otherwise, filesystem metadata could be
corrupted if hitting SPO after checkpoint.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

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Chao Yu 2017-09-29 13:59:39 +08:00 • committed by Jaegeuk Kim

parent 39d787bec4

commit 1228b482c4

4 changed files with 41 additions and 0 deletions

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6

fs/f2fs/checkpoint.c

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3

fs/f2fs/f2fs.h

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29

fs/f2fs/segment.c

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3

fs/f2fs/super.c

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