diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/blkdev.h | 7 | ||||
| -rw-r--r-- | include/linux/device-mapper.h | 9 | ||||
| -rw-r--r-- | include/uapi/linux/dm-ioctl.h | 9 |
3 files changed, 22 insertions, 3 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 332b56f323d9..a59880c809c7 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1456,6 +1456,13 @@ static inline bool bdev_is_zone_start(struct block_device *bdev, return bdev_offset_from_zone_start(bdev, sector) == 0; } +/* Check whether @sector is a multiple of the zone size. */ +static inline bool bdev_is_zone_aligned(struct block_device *bdev, + sector_t sector) +{ + return bdev_is_zone_start(bdev, sector); +} + /** * bdev_zone_is_seq - check if a sector belongs to a sequential write zone * @bdev: block device to check diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h index bcc6d7b69470..cb95951547ab 100644 --- a/include/linux/device-mapper.h +++ b/include/linux/device-mapper.h @@ -93,7 +93,14 @@ typedef void (*dm_status_fn) (struct dm_target *ti, status_type_t status_type, typedef int (*dm_message_fn) (struct dm_target *ti, unsigned int argc, char **argv, char *result, unsigned int maxlen); -typedef int (*dm_prepare_ioctl_fn) (struct dm_target *ti, struct block_device **bdev); +/* + * Called with *forward == true. If it remains true, the ioctl should be + * forwarded to bdev. If it is reset to false, the target already fully handled + * the ioctl and the return value is the return value for the whole ioctl. + */ +typedef int (*dm_prepare_ioctl_fn) (struct dm_target *ti, struct block_device **bdev, + unsigned int cmd, unsigned long arg, + bool *forward); #ifdef CONFIG_BLK_DEV_ZONED typedef int (*dm_report_zones_fn) (struct dm_target *ti, diff --git a/include/uapi/linux/dm-ioctl.h b/include/uapi/linux/dm-ioctl.h index b08c7378164d..3225e025e30e 100644 --- a/include/uapi/linux/dm-ioctl.h +++ b/include/uapi/linux/dm-ioctl.h @@ -258,10 +258,12 @@ enum { DM_DEV_SET_GEOMETRY_CMD, DM_DEV_ARM_POLL_CMD, DM_GET_TARGET_VERSION_CMD, + DM_MPATH_PROBE_PATHS_CMD, }; #define DM_IOCTL 0xfd +/* Control device ioctls */ #define DM_VERSION _IOWR(DM_IOCTL, DM_VERSION_CMD, struct dm_ioctl) #define DM_REMOVE_ALL _IOWR(DM_IOCTL, DM_REMOVE_ALL_CMD, struct dm_ioctl) #define DM_LIST_DEVICES _IOWR(DM_IOCTL, DM_LIST_DEVICES_CMD, struct dm_ioctl) @@ -285,10 +287,13 @@ enum { #define DM_TARGET_MSG _IOWR(DM_IOCTL, DM_TARGET_MSG_CMD, struct dm_ioctl) #define DM_DEV_SET_GEOMETRY _IOWR(DM_IOCTL, DM_DEV_SET_GEOMETRY_CMD, struct dm_ioctl) +/* Block device ioctls */ +#define DM_MPATH_PROBE_PATHS _IO(DM_IOCTL, DM_MPATH_PROBE_PATHS_CMD) + #define DM_VERSION_MAJOR 4 -#define DM_VERSION_MINOR 49 +#define DM_VERSION_MINOR 50 #define DM_VERSION_PATCHLEVEL 0 -#define DM_VERSION_EXTRA "-ioctl (2025-01-17)" +#define DM_VERSION_EXTRA "-ioctl (2025-04-28)" /* Status bits */ #define DM_READONLY_FLAG (1 << 0) /* In/Out */ |