f2fs: atomically set inode->i_flags in f2fs_set_inode_flags()

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Use set_mask_bits() to atomically set i_flags instead of clearing out the
S_IMMUTABLE, S_APPEND, etc. flags and then setting them from the
FS_IMMUTABLE_FL, FS_APPEND_FL, etc. flags, since this opens up a race
where an immutable file has the immutable flag cleared for a brief
window of time.

Signed-off-by: Zhang Zhen <zhenzhang.zhang@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>

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Zhang Zhen 2014-04-15 14:19:38 +08:00 • committed by Jaegeuk Kim

parent b156d54241

commit 8abfb36ab3

1 changed files with 9 additions and 8 deletions

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fs/f2fs/inode.c

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