1 files changed, 30 insertions, 2 deletions

diff --git a/include/uapi/linux/btrfs.h b/include/uapi/linux/btrfs.h
index fa3a5f9338fc..5ef0df545a2a 100644
--- a/include/uapi/linux/btrfs.h
+++ b/include/uapi/linux/btrfs.h
@@ -376,12 +376,18 @@ struct btrfs_ioctl_get_dev_stats {
 
 #define BTRFS_QUOTA_CTL_ENABLE  1
 #define BTRFS_QUOTA_CTL_DISABLE 2
-#define BTRFS_QUOTA_CTL_RESCAN  3
+#define BTRFS_QUOTA_CTL_RESCAN__NOTUSED 3
 struct btrfs_ioctl_quota_ctl_args {
         __u64 cmd;
         __u64 status;
 };
 
+struct btrfs_ioctl_quota_rescan_args {
+        __u64   flags;
+        __u64   progress;
+        __u64   reserved[6];
+};
+
 struct btrfs_ioctl_qgroup_assign_args {
         __u64 assign;
         __u64 src;
@@ -412,7 +418,25 @@ struct btrfs_ioctl_received_subvol_args {
  * search of clone sources doesn't find an extent. UPDATE_EXTENT
  * commands will be sent instead of WRITE commands.
  */
-#define BTRFS_SEND_FLAG_NO_FILE_DATA     0x1
+#define BTRFS_SEND_FLAG_NO_FILE_DATA            0x1
+
+/*
+ * Do not add the leading stream header. Used when multiple snapshots
+ * are sent back to back.
+ */
+#define BTRFS_SEND_FLAG_OMIT_STREAM_HEADER      0x2
+
+/*
+ * Omit the command at the end of the stream that indicated the end
+ * of the stream. This option is used when multiple snapshots are
+ * sent back to back.
+ */
+#define BTRFS_SEND_FLAG_OMIT_END_CMD            0x4
+
+#define BTRFS_SEND_FLAG_MASK \
+        (BTRFS_SEND_FLAG_NO_FILE_DATA | \
+         BTRFS_SEND_FLAG_OMIT_STREAM_HEADER | \
+         BTRFS_SEND_FLAG_OMIT_END_CMD)
 
 struct btrfs_ioctl_send_args {
         __s64 send_fd;                  /* in */
@@ -502,6 +526,10 @@ struct btrfs_ioctl_send_args {
                                struct btrfs_ioctl_qgroup_create_args)
 #define BTRFS_IOC_QGROUP_LIMIT _IOR(BTRFS_IOCTL_MAGIC, 43, \
                                struct btrfs_ioctl_qgroup_limit_args)
+#define BTRFS_IOC_QUOTA_RESCAN _IOW(BTRFS_IOCTL_MAGIC, 44, \
+                               struct btrfs_ioctl_quota_rescan_args)
+#define BTRFS_IOC_QUOTA_RESCAN_STATUS _IOR(BTRFS_IOCTL_MAGIC, 45, \
+                               struct btrfs_ioctl_quota_rescan_args)
 #define BTRFS_IOC_GET_FSLABEL _IOR(BTRFS_IOCTL_MAGIC, 49, \
                                    char[BTRFS_LABEL_SIZE])
 #define BTRFS_IOC_SET_FSLABEL _IOW(BTRFS_IOCTL_MAGIC, 50, \