Commit 8ff0971f authored Mar 17, 2017 by Chao Yu Committed by Jaegeuk Kim Mar 21, 2017

f2fs: don't allow volatile writes for non-regular file



Now f2fs only supports volatile writes for journal db regular file.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

parent e811898c

fs/f2fs/file.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -1598,6 +1598,9 @@ static int f2fs_ioc_start_volatile_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;