f2fs: disallow direct IO in atomic write

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Atomic write needs page cache to cache data of transaction,
direct IO should never be allowed in atomic write, detect
and deny it when open atomic write file.

Signed-off-by: Gao Xiang <gaoxiang25@huawei.com>
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

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Chao Yu 2019-07-25 22:39:11 +08:00 • committed by Jaegeuk Kim

parent fe973b065b

commit 038d06984f

1 changed files with 3 additions and 0 deletions

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fs/f2fs/file.c

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