[<0>] wait_for_commit+0x58/0x80 [btrfs]
[<0>] btrfs_commit_transaction+0x169/0xa50 [btrfs]
[<0>] btrfs_mksubvol+0x2e9/0x450 [btrfs]
[<0>] __btrfs_ioctl_snap_create+0x167/0x170 [btrfs]
[<0>] btrfs_ioctl_snap_create_v2+0xc5/0xe0 [btrfs]
[<0>] btrfs_ioctl+0xf61/0x2ef0 [btrfs]
[<0>] ksys_ioctl+0x86/0xc0
[<0>] __x64_sys_ioctl+0x16/0x20
[<0>] do_syscall_64+0x52/0x170
[<0>] entry_SYSCALL_64_after_hwframe+0x44/0xa9