Re: [PATCH 1/4] block: add zone open, close and finish support
From: Bart Van Assche <bvanassche@acm.org>
Date: 2019-06-24 19:43:25
Also in:
dm-devel, linux-scsi, lkml
From: Bart Van Assche <bvanassche@acm.org>
Date: 2019-06-24 19:43:25
Also in:
dm-devel, linux-scsi, lkml
On 6/21/19 6:07 AM, Matias Bjørling wrote:
diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h index 95202f80676c..067ef9242275 100644 --- a/include/linux/blk_types.h +++ b/include/linux/blk_types.h@@ -284,13 +284,20 @@ enum req_opf { REQ_OP_DISCARD = 3, /* securely erase sectors */ REQ_OP_SECURE_ERASE = 5, - /* reset a zone write pointer */ - REQ_OP_ZONE_RESET = 6, /* write the same sector many times */ REQ_OP_WRITE_SAME = 7, /* write the zero filled sector many times */ REQ_OP_WRITE_ZEROES = 9, + /* reset a zone write pointer */ + REQ_OP_ZONE_RESET = 16, + /* Open zone(s) */ + REQ_OP_ZONE_OPEN = 17, + /* Close zone(s) */ + REQ_OP_ZONE_CLOSE = 18, + /* Finish zone(s) */ + REQ_OP_ZONE_FINISH = 19, + /* SCSI passthrough using struct scsi_request */ REQ_OP_SCSI_IN = 32, REQ_OP_SCSI_OUT = 33,@@ -375,6 +382,22 @@ static inline void bio_set_op_attrs(struct bio *bio, unsigned op, bio->bi_opf = op | op_flags; }
Are the new operation types ever passed to op_is_write()? The definition
of that function is as follows:
static inline bool op_is_write(unsigned int op)
{
return (op & 1);
}