Btrfs: add qgroup ioctls

Ioctls to control the qgroup feature like adding and
removing qgroups and assigning qgroups.

Signed-off-by: Arne Jansen <sensille@gmx.net>

1 files changed, 27 insertions, 0 deletions

diff --git a/fs/btrfs/ioctl.h b/fs/btrfs/ioctl.h
index a8a2230f4c5c..9dd50c4656b3 100644
--- a/fs/btrfs/ioctl.h
+++ b/fs/btrfs/ioctl.h
@@ -319,6 +319,25 @@ struct btrfs_ioctl_get_dev_stats {
         __u64 unused[128 - 2 - BTRFS_DEV_STAT_VALUES_MAX]; /* pad to 1k */
 };
 
+#define BTRFS_QUOTA_CTL_ENABLE  1
+#define BTRFS_QUOTA_CTL_DISABLE 2
+#define BTRFS_QUOTA_CTL_RESCAN  3
+struct btrfs_ioctl_quota_ctl_args {
+        __u64 cmd;
+        __u64 status;
+};
+
+struct btrfs_ioctl_qgroup_assign_args {
+        __u64 assign;
+        __u64 src;
+        __u64 dst;
+};
+
+struct btrfs_ioctl_qgroup_create_args {
+        __u64 create;
+        __u64 qgroupid;
+};
+
 #define BTRFS_IOC_SNAP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 1, \
                                    struct btrfs_ioctl_vol_args)
 #define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2, \
@@ -388,4 +407,12 @@ struct btrfs_ioctl_get_dev_stats {
 #define BTRFS_IOC_GET_AND_RESET_DEV_STATS _IOWR(BTRFS_IOCTL_MAGIC, 53, \
                                         struct btrfs_ioctl_get_dev_stats)
 
+#define BTRFS_IOC_QUOTA_CTL _IOWR(BTRFS_IOCTL_MAGIC, 40, \
+                               struct btrfs_ioctl_quota_ctl_args)
+#define BTRFS_IOC_QGROUP_ASSIGN _IOW(BTRFS_IOCTL_MAGIC, 41, \
+                               struct btrfs_ioctl_qgroup_assign_args)
+#define BTRFS_IOC_QGROUP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 42, \
+                               struct btrfs_ioctl_qgroup_create_args)
+#define BTRFS_IOC_QGROUP_LIMIT _IOR(BTRFS_IOCTL_MAGIC, 43, \
+                               struct btrfs_ioctl_qgroup_limit_args)
 #endif