Commit 02feae3c authored Feb 13, 2016 by Anand Jain Committed by David Sterba Apr 28, 2016

btrfs: optimize check for stale device



Optimize check for stale device to only be checked when there is device
added or changed. If there is no update to the device, there is no need
to call btrfs_free_stale_device().

Signed-off-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>

parent 6b526ed7

fs/btrfs/volumes.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -699,6 +699,7 @@ static noinline int device_list_add(const char *path,
		* if there is new btrfs on an already registered device,
		* then remove the stale device entry.
		*/
		if (ret > 0)
		btrfs_free_stale_device(device);

		*fs_devices_ret = fs_devices;