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authorDamien Le Moal <damien.lemoal@wdc.com>2020-10-09 12:07:14 +0300
committerJens Axboe <axboe@kernel.dk>2020-10-09 21:47:02 +0300
commit8858e8d98d5457ba23bcd0d99ce23e272b8b09a1 (patch)
tree96cd86fa5344aca949357c38e0aebc12d78cd429 /include/uapi/linux/blkzoned.h
parent47ce030b7ac5a5259a9a5919f230b52497afc31a (diff)
downloadlinux-8858e8d98d5457ba23bcd0d99ce23e272b8b09a1.tar.xz
block: fix uapi blkzoned.h comments
Update the kdoc comments for struct blk_zone (capacity field description missing) and for struct blk_zone_report (flags field description missing). Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com> Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/uapi/linux/blkzoned.h')
-rw-r--r--include/uapi/linux/blkzoned.h15
1 files changed, 9 insertions, 6 deletions
diff --git a/include/uapi/linux/blkzoned.h b/include/uapi/linux/blkzoned.h
index 42c3366cc25f..656a326821a2 100644
--- a/include/uapi/linux/blkzoned.h
+++ b/include/uapi/linux/blkzoned.h
@@ -93,12 +93,15 @@ enum blk_zone_report_flags {
* @non_seq: Flag indicating that the zone is using non-sequential resources
* (for host-aware zoned block devices only).
* @reset: Flag indicating that a zone reset is recommended.
- * @reserved: Padding to 64 B to match the ZBC/ZAC defined zone descriptor size.
+ * @resv: Padding for 8B alignment.
+ * @capacity: Zone usable capacity in 512 B sector units
+ * @reserved: Padding to 64 B to match the ZBC, ZAC and ZNS defined zone
+ * descriptor size.
*
- * start, len and wp use the regular 512 B sector unit, regardless of the
- * device logical block size. The overall structure size is 64 B to match the
- * ZBC/ZAC defined zone descriptor and allow support for future additional
- * zone information.
+ * start, len, capacity and wp use the regular 512 B sector unit, regardless
+ * of the device logical block size. The overall structure size is 64 B to
+ * match the ZBC, ZAC and ZNS defined zone descriptor and allow support for
+ * future additional zone information.
*/
struct blk_zone {
__u64 start; /* Zone start sector */
@@ -118,7 +121,7 @@ struct blk_zone {
*
* @sector: starting sector of report
* @nr_zones: IN maximum / OUT actual
- * @reserved: padding to 16 byte alignment
+ * @flags: one or more flags as defined by enum blk_zone_report_flags.
* @zones: Space to hold @nr_zones @zones entries on reply.
*
* The array of at most @nr_zones must follow this structure in memory.