Merge drm/drm-next into drm-xe-next

A backmerge to get the PMT preparation work for
merging the BMG PMT support.

Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

1 files changed, 25 insertions, 0 deletions

diff --git a/include/uapi/linux/btrfs.h b/include/uapi/linux/btrfs.h
index cdf6ad872149..d3b222d7af24 100644
--- a/include/uapi/linux/btrfs.h
+++ b/include/uapi/linux/btrfs.h
@@ -1049,6 +1049,29 @@ struct btrfs_ioctl_encoded_io_args {
 #define BTRFS_ENCODED_IO_ENCRYPTION_NONE 0
 #define BTRFS_ENCODED_IO_ENCRYPTION_TYPES 1
 
+/*
+ * Wait for subvolume cleaning process. This queries the kernel queue and it
+ * can change between the calls.
+ *
+ * - FOR_ONE	- specify the subvolid
+ * - FOR_QUEUED - wait for all currently queued
+ * - COUNT	- count number of queued
+ * - PEEK_FIRST - read which is the first in the queue (to be cleaned or being
+ * 		  cleaned already), or 0 if the queue is empty
+ * - PEEK_LAST  - read the last subvolid in the queue, or 0 if the queue is empty
+ */
+struct btrfs_ioctl_subvol_wait {
+	__u64 subvolid;
+	__u32 mode;
+	__u32 count;
+};
+
+#define BTRFS_SUBVOL_SYNC_WAIT_FOR_ONE		(0)
+#define BTRFS_SUBVOL_SYNC_WAIT_FOR_QUEUED	(1)
+#define BTRFS_SUBVOL_SYNC_COUNT			(2)
+#define BTRFS_SUBVOL_SYNC_PEEK_FIRST		(3)
+#define BTRFS_SUBVOL_SYNC_PEEK_LAST		(4)
+
 /* Error codes as returned by the kernel */
 enum btrfs_err_code {
 	BTRFS_ERROR_DEV_RAID1_MIN_NOT_MET = 1,
@@ -1181,6 +1204,8 @@ enum btrfs_err_code {
 				    struct btrfs_ioctl_encoded_io_args)
 #define BTRFS_IOC_ENCODED_WRITE _IOW(BTRFS_IOCTL_MAGIC, 64, \
 				     struct btrfs_ioctl_encoded_io_args)
+#define BTRFS_IOC_SUBVOL_SYNC_WAIT _IOW(BTRFS_IOCTL_MAGIC, 65, \
+					struct btrfs_ioctl_subvol_wait)
 
 #ifdef __cplusplus
 }