From e811898c97f83aef6c1652fbfbf5294bf542159c 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 3212dfa1a50e..2cf16ed5b74c 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -1518,6 +1518,9 @@ 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; -- 2.45.2