btrfs: allow idmapped SET_RECEIVED_SUBVOL ioctls

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The SET_RECEIVED_SUBVOL ioctls are used to set information about
a received subvolume. Make it possible to set information about a
received subvolume on idmapped mounts. This is a fairly straightforward
operation since all the permission checking helpers are already capable
of handling idmapped mounts. So we just need to pass down the mount's
userns.

Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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Christian Brauner 2021-07-27 12:48:55 +02:00 • committed by David Sterba

parent aabb34e7a3

commit e4fed17a32

1 changed files with 4 additions and 3 deletions

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fs/btrfs/ioctl.c

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