From dd6b2029c25b44d823d93b7cde0eea6a469a27fa Mon Sep 17 00:00:00 2001 From: Jaegeuk Kim Date: Fri, 17 Mar 2017 10:04:15 +0800 Subject: [PATCH] f2fs: don't allow atomic writes for not regular files The atomic writes only supports regular files for database. Signed-off-by: Jaegeuk Kim --- fs/f2fs/file.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 38d39f656746..0e15770cc728 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -1523,6 +1523,9 @@ static int f2fs_ioc_start_atomic_write(struct file *filp) if (!inode_owner_or_capable(inode)) return -EACCES; + if (!S_ISREG(inode->i_mode)) + return -EINVAL; + ret = mnt_want_write_file(filp); if (ret) return ret;