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Diffstat (limited to 'include/linux/device-mapper.h')
-rw-r--r--include/linux/device-mapper.h27
1 files changed, 19 insertions, 8 deletions
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index 399ad8632356..475668c69dbc 100644
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -17,6 +17,7 @@
struct dm_dev;
struct dm_target;
struct dm_table;
+struct dm_report_zones_args;
struct mapped_device;
struct bio_vec;
@@ -93,9 +94,9 @@ typedef int (*dm_message_fn) (struct dm_target *ti, unsigned argc, char **argv,
typedef int (*dm_prepare_ioctl_fn) (struct dm_target *ti, struct block_device **bdev);
-typedef int (*dm_report_zones_fn) (struct dm_target *ti, sector_t sector,
- struct blk_zone *zones,
- unsigned int *nr_zones);
+typedef int (*dm_report_zones_fn) (struct dm_target *ti,
+ struct dm_report_zones_args *args,
+ unsigned int nr_zones);
/*
* These iteration functions are typically used to check (and combine)
@@ -422,10 +423,23 @@ struct gendisk *dm_disk(struct mapped_device *md);
int dm_suspended(struct dm_target *ti);
int dm_noflush_suspending(struct dm_target *ti);
void dm_accept_partial_bio(struct bio *bio, unsigned n_sectors);
-void dm_remap_zone_report(struct dm_target *ti, sector_t start,
- struct blk_zone *zones, unsigned int *nr_zones);
union map_info *dm_get_rq_mapinfo(struct request *rq);
+#ifdef CONFIG_BLK_DEV_ZONED
+struct dm_report_zones_args {
+ struct dm_target *tgt;
+ sector_t next_sector;
+
+ void *orig_data;
+ report_zones_cb orig_cb;
+ unsigned int zone_idx;
+
+ /* must be filled by ->report_zones before calling dm_report_zones_cb */
+ sector_t start;
+};
+int dm_report_zones_cb(struct blk_zone *zone, unsigned int idx, void *data);
+#endif /* CONFIG_BLK_DEV_ZONED */
+
/*
* Device mapper functions to parse and create devices specified by the
* parameter "dm-mod.create="
@@ -594,9 +608,6 @@ void *dm_vcalloc(unsigned long nmemb, unsigned long elem_size);
*/
#define dm_round_up(n, sz) (dm_div_up((n), (sz)) * (sz))
-#define dm_array_too_big(fixed, obj, num) \
- ((num) > (UINT_MAX - (fixed)) / (obj))
-
/*
* Sector offset taken relative to the start of the target instead of
* relative to the start of the device.