On 10/11/2017 05:51 AM, Liu Bo wrote:
It's pointless to defer it to a kthread helper as we're not under any special context.
Reviewed-by: Anand Jain <anand.j...@oracle.com> Thanks, Anand
Signed-off-by: Liu Bo <bo.li....@oracle.com> --- fs/btrfs/volumes.c | 14 ++------------ 1 file changed, 2 insertions(+), 12 deletions(-) diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index d983cea..4a72c45 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -836,26 +836,16 @@ void btrfs_close_extra_devices(struct btrfs_fs_devices *fs_devices, int step) mutex_unlock(&uuid_mutex); }-static void __free_device(struct work_struct *work)+static void free_device(struct rcu_head *head) { struct btrfs_device *device;- device = container_of(work, struct btrfs_device, rcu_work);+ device = container_of(head, struct btrfs_device, rcu); rcu_string_free(device->name); bio_put(device->flush_bio); kfree(device); }-static void free_device(struct rcu_head *head)-{ - struct btrfs_device *device; - - device = container_of(head, struct btrfs_device, rcu); - - INIT_WORK(&device->rcu_work, __free_device); - schedule_work(&device->rcu_work); -} - static void btrfs_close_bdev(struct btrfs_device *device) { if (device->bdev && device->writeable) {
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