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-rw-r--r--fs/btrfs/volumes.c15
1 files changed, 6 insertions, 9 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index d38065eca7c9..ed685991b2c1 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -674,22 +674,19 @@ static int __btrfs_close_devices(struct btrfs_fs_devices *fs_devices)
if (device->can_discard)
fs_devices->num_can_discard--;
- new_device = kmalloc(sizeof(*new_device), GFP_NOFS);
- BUG_ON(!new_device); /* -ENOMEM */
- memcpy(new_device, device, sizeof(*new_device));
+ new_device = btrfs_alloc_device(NULL, &device->devid,
+ device->uuid);
+ BUG_ON(IS_ERR(new_device)); /* -ENOMEM */
/* Safe because we are under uuid_mutex */
if (device->name) {
name = rcu_string_strdup(device->name->str, GFP_NOFS);
- BUG_ON(device->name && !name); /* -ENOMEM */
+ BUG_ON(!name); /* -ENOMEM */
rcu_assign_pointer(new_device->name, name);
}
- new_device->bdev = NULL;
- new_device->writeable = 0;
- new_device->in_fs_metadata = 0;
- new_device->can_discard = 0;
- spin_lock_init(&new_device->io_lock);
+
list_replace_rcu(&device->dev_list, &new_device->dev_list);
+ new_device->fs_devices = device->fs_devices;
call_rcu(&device->rcu, free_device);
}
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