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.j...@oracle.com>
---
This is good to go. The there were some stale devices while testing
and now I have confirmed it wasn't due to this. Sorry that I was bit
jumpy on concluding this patch as bad.
fs/btrfs/volumes.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index f47bd0b..b7cbb31 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -701,7 +701,8 @@ 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.
*/
- btrfs_free_stale_device(device);
+ if (ret > 0)
+ btrfs_free_stale_device(device);
*fs_devices_ret = fs_devices;
--
2.7.0
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