btrfs: define support masks for ioctl volume args v2

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The ioctl data for devices or subvolumes can be passed via
btrfs_ioctl_vol_args or btrfs_ioctl_vol_args_v2. The latter is more
versatile and needs some caution as some of the flags make sense only
for some ioctls.

As we're going to extend the flags, define support masks for each ioctl
class separately.

Reviewed-by: Marcos Paulo de Souza <mpdesouza@suse.com>
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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This commit is contained in:

David Sterba 2020-02-21 13:16:33 +01:00

parent 5ce48d0f0e

commit eed0269053

1 changed files with 13 additions and 3 deletions

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16

include/uapi/linux/btrfs.h

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