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(parent: 0c309d6) | patch
btrfs: forbid deleting live subvol qgroup
authorBoris Burkov <boris@bur.io>
Thu, 11 Jan 2024 01:30:00 +0000 (17:30 -0800)
committerDavid Sterba <dsterba@suse.com>
Wed, 31 Jan 2024 07:42:47 +0000 (08:42 +0100)
commita8df35619948bd8363d330c20a90c9a7fbff28c0
tree9292acb7702968d746d455f7c5194793577d340ftree | snapshot
parent0c309d66dacddf8ce939b891d9ead4a8e21ad6f0commit | diff
btrfs: forbid deleting live subvol qgroup

If a subvolume still exists, forbid deleting its qgroup 0/subvolid.
This behavior generally leads to incorrect behavior in squotas and
doesn't have a legitimate purpose.

Fixes: cecbb533b5fc ("btrfs: record simple quota deltas in delayed refs")
CC: stable@vger.kernel.org # 5.4+
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Boris Burkov <boris@bur.io>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
fs/btrfs/qgroup.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git