Messages in this thread Patch in this message | | | From | Jaegeuk Kim <> | Subject | [PATCH 3/3] f2fs: use lock_buffer when changing superblock | Date | Mon, 7 Dec 2015 14:53:25 -0800 |
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When modifying sb contents, we need to use lock its buffer.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> --- fs/f2fs/file.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index a018ed3..a16dfe9 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -1591,7 +1591,9 @@ static int f2fs_ioc_get_encryption_pwsalt(struct file *filp, unsigned long arg) return err; /* update superblock with uuid */ + lock_buffer(sbi->raw_super_buf); generate_random_uuid(sbi->raw_super->encrypt_pw_salt); + unlock_buffer(sbi->raw_super_buf); err = f2fs_commit_super(sbi, false); -- 2.4.9 (Apple Git-60)
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