f2fs: compress: fix to relocate check condition in f2fs_ioc_{,de}compress_file()

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[ Upstream commit bd9ae4ae9e ]

Compress flag should be checked after inode lock held to avoid
racing w/ f2fs_setflags_common() , fix it.

Fixes: 5fdb322ff2 ("f2fs: add F2FS_IOC_DECOMPRESS_FILE and F2FS_IOC_COMPRESS_FILE")
Reported-by: Zhiguo Niu <zhiguo.niu@unisoc.com>
Closes: https://lore.kernel.org/linux-f2fs-devel/CAHJ8P3LdZXLc2rqeYjvymgYHr2+YLuJ0sLG9DdsJZmwO7deuhw@mail.gmail.com
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Chao Yu 2024-04-07 15:26:04 +08:00 • committed by Greg Kroah-Hartman

parent 4eb2124f45

commit 4f0750bf8a

1 changed files with 4 additions and 8 deletions

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fs/f2fs/file.c

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