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btrfs: remove alloc_list splice in btrfs_prepare_sprout

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btrfs_prepare_sprout is called when the first rw device is added to a
seed filesystem. This means the filesystem can't have its alloc_list
be non-empty, since seed filesystems are read only. Simply remove the
code altogether.

Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Nikolay Borisov 2020-08-12 16:26:46 +03:00 committed by David Sterba
parent 427c8fddb1
commit 68abf36016
1 changed files with 0 additions and 4 deletions
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4
fs/btrfs/volumes.c
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@ -2391,10 +2391,6 @@ static int btrfs_prepare_sprout(struct btrfs_fs_info *fs_info)
list_for_each_entry(device, &seed_devices->devices, dev_list)
device->fs_devices = seed_devices;
mutex_lock(&fs_info->chunk_mutex);
list_splice_init(&fs_devices->alloc_list, &seed_devices->alloc_list);
mutex_unlock(&fs_info->chunk_mutex);
fs_devices->seeding = false;
fs_devices->num_devices = 0;
fs_devices->open_devices = 0;