From bed92eae26ccf280d1a2168b7509447b56675a27 Mon Sep 17 00:00:00 2001 From: Arne Jansen Date: Thu, 28 Jun 2012 18:03:02 +0200 Subject: Btrfs: qgroup implementation and prototypes Signed-off-by: Arne Jansen Signed-off-by: Jan Schmidt --- fs/btrfs/ioctl.h | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) (limited to 'fs/btrfs/ioctl.h') diff --git a/fs/btrfs/ioctl.h b/fs/btrfs/ioctl.h index e440aa653c30..a8a2230f4c5c 100644 --- a/fs/btrfs/ioctl.h +++ b/fs/btrfs/ioctl.h @@ -35,6 +35,30 @@ struct btrfs_ioctl_vol_args { #define BTRFS_FSID_SIZE 16 #define BTRFS_UUID_SIZE 16 +#define BTRFS_QGROUP_INHERIT_SET_LIMITS (1ULL << 0) + +struct btrfs_qgroup_limit { + __u64 flags; + __u64 max_rfer; + __u64 max_excl; + __u64 rsv_rfer; + __u64 rsv_excl; +}; + +struct btrfs_qgroup_inherit { + __u64 flags; + __u64 num_qgroups; + __u64 num_ref_copies; + __u64 num_excl_copies; + struct btrfs_qgroup_limit lim; + __u64 qgroups[0]; +}; + +struct btrfs_ioctl_qgroup_limit_args { + __u64 qgroupid; + struct btrfs_qgroup_limit lim; +}; + #define BTRFS_SUBVOL_NAME_MAX 4039 struct btrfs_ioctl_vol_args_v2 { __s64 fd; -- cgit v1.2.1