Commit 79aec2b8 authored Jul 30, 2014 by Anand Jain Committed by Chris Mason Sep 17, 2014

btrfs: sysfs label interface should check for read only FS



Not sure how this escaped many eyes so far

Signed-off-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: Chris Mason <clm@fb.com>

parent 20ee0825

fs/btrfs/sysfs.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -377,6 +377,9 @@ static ssize_t btrfs_label_store(struct kobject *kobj,
		int ret;
		size_t p_len;

		if (fs_info->sb->s_flags & MS_RDONLY)
		return -EROFS;

		/*
		* p_len is the len until the first occurrence of either
		* '\n' or '\0'