From: Su Yue <Damenly_Su@gmx.com>
Date: Tue, 4 Feb 2020 04:51:56 +0000 (+0800)
Subject: btrfs: update the comment of btrfs_control_ioctl()
X-Git-Tag: v5.7-rc1~157^2~206
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cfe953c8240d1b21a81b8bd7f33cfe0b96b89f38;p=thirdparty%2Fkernel%2Flinux.git

btrfs: update the comment of btrfs_control_ioctl()

Btrfsctl was removed in 2012, now the function btrfs_control_ioctl()
is only used for devices ioctls. So update the comment.

Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: Su Yue <Damenly_Su@gmx.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
---

diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 67c63858812a9..1cbc3f125d5af 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -2203,7 +2203,7 @@ static int btrfs_control_open(struct inode *inode, struct file *file)
 }
 
 /*
- * used by btrfsctl to scan devices when no FS is mounted
+ * Used by /dev/btrfs-control for devices ioctls.
  */
 static long btrfs_control_ioctl(struct file *file, unsigned int cmd,
 				unsigned long arg)