btrfs_free_extra_devids() frees the orphan fsid::devid with in
btrfs_fs_devices::devices, so we dont need uuid_mutex, instead hold the
btrfs_fs_devices::device_list_mutex.
Signed-off-by: Anand Jain <anand.jain@xxxxxxxxxx>
---
v1->v2: replace uuid_mutex with device_list_mutex instead of delete.
change log updated.
fs/btrfs/volumes.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 2b101dc49d91..b1e5ac419ca8 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -925,7 +925,7 @@ void btrfs_free_extra_devids(struct btrfs_fs_devices *fs_devices, int step)
struct btrfs_device *device, *next;
struct btrfs_device *latest_dev = NULL;
- mutex_lock(&uuid_mutex);
+ mutex_lock(&fs_devices->device_list_mutex);
again:
/* This is the initialized path, it is safe to release the devices. */
list_for_each_entry_safe(device, next, &fs_devices->devices, dev_list) {
@@ -979,8 +979,7 @@ void btrfs_free_extra_devids(struct btrfs_fs_devices *fs_devices, int step)
}
fs_devices->latest_bdev = latest_dev->bdev;
-
- mutex_unlock(&uuid_mutex);
+ mutex_unlock(&fs_devices->device_list_mutex);
}
static void free_device_rcu(struct rcu_head *head)
--
2.7.0
--
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