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From: Damien Le Moal <damien.lemoal@wdc.com>
To: linux-block@vger.kernel.org, Jens Axboe <axboe@kernel.dk>,
	linux-scsi@vger.kernel.org,
	"Martin K . Petersen" <martin.petersen@oracle.com>,
	dm-devel@redhat.com, Mike Snitzer <snitzer@redhat.com>
Cc: Ajay Joshi <ajay.joshi@wdc.com>,
	Matias Bjorling <matias.bjorling@wdc.com>,
	Hans Holmberg <Hans.Holmberg@wdc.com>,
	Dmitry Fomichev <dmitry.fomichev@wdc.com>,
	Keith Busch <kbusch@kernel.org>
Subject: [PATCH 8/8] null_blk: add zone open, close, and finish support
Date: Sun, 27 Oct 2019 23:05:49 +0900	[thread overview]
Message-ID: <20191027140549.26272-9-damien.lemoal@wdc.com> (raw)
In-Reply-To: <20191027140549.26272-1-damien.lemoal@wdc.com>

From: Ajay Joshi <ajay.joshi@wdc.com>

Implement REQ_OP_ZONE_OPEN, REQ_OP_ZONE_CLOSE and REQ_OP_ZONE_FINISH
support to allow explicit control of zone states.

Contains contributions from Matias Bjorling, Hans Holmberg,
Keith Busch and Damien Le Moal.

Signed-off-by: Ajay Joshi <ajay.joshi@wdc.com>
Signed-off-by: Matias Bjorling <matias.bjorling@wdc.com>
Signed-off-by: Hans Holmberg <hans.holmberg@wdc.com>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
---
 drivers/block/null_blk_zoned.c | 33 ++++++++++++++++++++++++++++++---
 1 file changed, 30 insertions(+), 3 deletions(-)

diff --git a/drivers/block/null_blk_zoned.c b/drivers/block/null_blk_zoned.c
index 4e56b17ed3ef..02f41a3bc4cb 100644
--- a/drivers/block/null_blk_zoned.c
+++ b/drivers/block/null_blk_zoned.c
@@ -136,13 +136,14 @@ static blk_status_t null_zone_write(struct nullb_cmd *cmd, sector_t sector,
 	return BLK_STS_OK;
 }
 
-static blk_status_t null_zone_reset(struct nullb_cmd *cmd, sector_t sector)
+static blk_status_t null_zone_mgmt(struct nullb_cmd *cmd, enum req_opf op,
+				   sector_t sector)
 {
 	struct nullb_device *dev = cmd->nq->dev;
 	struct blk_zone *zone = &dev->zones[null_zone_no(dev, sector)];
 	size_t i;
 
-	switch (req_op(cmd->rq)) {
+	switch (op) {
 	case REQ_OP_ZONE_RESET_ALL:
 		for (i = 0; i < dev->nr_zones; i++) {
 			if (zone[i].type == BLK_ZONE_TYPE_CONVENTIONAL)
@@ -158,6 +159,29 @@ static blk_status_t null_zone_reset(struct nullb_cmd *cmd, sector_t sector)
 		zone->cond = BLK_ZONE_COND_EMPTY;
 		zone->wp = zone->start;
 		break;
+	case REQ_OP_ZONE_OPEN:
+		if (zone->type == BLK_ZONE_TYPE_CONVENTIONAL)
+			return BLK_STS_IOERR;
+		if (zone->cond == BLK_ZONE_COND_FULL)
+			return BLK_STS_IOERR;
+
+		zone->cond = BLK_ZONE_COND_EXP_OPEN;
+		break;
+	case REQ_OP_ZONE_CLOSE:
+		if (zone->type == BLK_ZONE_TYPE_CONVENTIONAL)
+			return BLK_STS_IOERR;
+		if (zone->cond == BLK_ZONE_COND_FULL)
+			return BLK_STS_IOERR;
+
+		zone->cond = BLK_ZONE_COND_CLOSED;
+		break;
+	case REQ_OP_ZONE_FINISH:
+		if (zone->type == BLK_ZONE_TYPE_CONVENTIONAL)
+			return BLK_STS_IOERR;
+
+		zone->cond = BLK_ZONE_COND_FULL;
+		zone->wp = zone->start + zone->len;
+		break;
 	default:
 		return BLK_STS_NOTSUPP;
 	}
@@ -172,7 +196,10 @@ blk_status_t null_handle_zoned(struct nullb_cmd *cmd, enum req_opf op,
 		return null_zone_write(cmd, sector, nr_sectors);
 	case REQ_OP_ZONE_RESET:
 	case REQ_OP_ZONE_RESET_ALL:
-		return null_zone_reset(cmd, sector);
+	case REQ_OP_ZONE_OPEN:
+	case REQ_OP_ZONE_CLOSE:
+	case REQ_OP_ZONE_FINISH:
+		return null_zone_mgmt(cmd, op, sector);
 	default:
 		return BLK_STS_OK;
 	}
-- 
2.21.0


WARNING: multiple messages have this Message-ID (diff)
From: Damien Le Moal <damien.lemoal@wdc.com>
To: linux-block@vger.kernel.org, Jens Axboe <axboe@kernel.dk>,
	linux-scsi@vger.kernel.org,
	"Martin K . Petersen" <martin.petersen@oracle.com>,
	dm-devel@redhat.com, Mike Snitzer <snitzer@redhat.com>
Cc: Dmitry Fomichev <dmitry.fomichev@wdc.com>,
	Keith Busch <kbusch@kernel.org>,
	Hans Holmberg <Hans.Holmberg@wdc.com>,
	Ajay Joshi <ajay.joshi@wdc.com>,
	Matias Bjorling <matias.bjorling@wdc.com>
Subject: [PATCH 8/8] null_blk: add zone open, close, and finish support
Date: Sun, 27 Oct 2019 23:05:49 +0900	[thread overview]
Message-ID: <20191027140549.26272-9-damien.lemoal@wdc.com> (raw)
In-Reply-To: <20191027140549.26272-1-damien.lemoal@wdc.com>

From: Ajay Joshi <ajay.joshi@wdc.com>

Implement REQ_OP_ZONE_OPEN, REQ_OP_ZONE_CLOSE and REQ_OP_ZONE_FINISH
support to allow explicit control of zone states.

Contains contributions from Matias Bjorling, Hans Holmberg,
Keith Busch and Damien Le Moal.

Signed-off-by: Ajay Joshi <ajay.joshi@wdc.com>
Signed-off-by: Matias Bjorling <matias.bjorling@wdc.com>
Signed-off-by: Hans Holmberg <hans.holmberg@wdc.com>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
---
 drivers/block/null_blk_zoned.c | 33 ++++++++++++++++++++++++++++++---
 1 file changed, 30 insertions(+), 3 deletions(-)

diff --git a/drivers/block/null_blk_zoned.c b/drivers/block/null_blk_zoned.c
index 4e56b17ed3ef..02f41a3bc4cb 100644
--- a/drivers/block/null_blk_zoned.c
+++ b/drivers/block/null_blk_zoned.c
@@ -136,13 +136,14 @@ static blk_status_t null_zone_write(struct nullb_cmd *cmd, sector_t sector,
 	return BLK_STS_OK;
 }
 
-static blk_status_t null_zone_reset(struct nullb_cmd *cmd, sector_t sector)
+static blk_status_t null_zone_mgmt(struct nullb_cmd *cmd, enum req_opf op,
+				   sector_t sector)
 {
 	struct nullb_device *dev = cmd->nq->dev;
 	struct blk_zone *zone = &dev->zones[null_zone_no(dev, sector)];
 	size_t i;
 
-	switch (req_op(cmd->rq)) {
+	switch (op) {
 	case REQ_OP_ZONE_RESET_ALL:
 		for (i = 0; i < dev->nr_zones; i++) {
 			if (zone[i].type == BLK_ZONE_TYPE_CONVENTIONAL)
@@ -158,6 +159,29 @@ static blk_status_t null_zone_reset(struct nullb_cmd *cmd, sector_t sector)
 		zone->cond = BLK_ZONE_COND_EMPTY;
 		zone->wp = zone->start;
 		break;
+	case REQ_OP_ZONE_OPEN:
+		if (zone->type == BLK_ZONE_TYPE_CONVENTIONAL)
+			return BLK_STS_IOERR;
+		if (zone->cond == BLK_ZONE_COND_FULL)
+			return BLK_STS_IOERR;
+
+		zone->cond = BLK_ZONE_COND_EXP_OPEN;
+		break;
+	case REQ_OP_ZONE_CLOSE:
+		if (zone->type == BLK_ZONE_TYPE_CONVENTIONAL)
+			return BLK_STS_IOERR;
+		if (zone->cond == BLK_ZONE_COND_FULL)
+			return BLK_STS_IOERR;
+
+		zone->cond = BLK_ZONE_COND_CLOSED;
+		break;
+	case REQ_OP_ZONE_FINISH:
+		if (zone->type == BLK_ZONE_TYPE_CONVENTIONAL)
+			return BLK_STS_IOERR;
+
+		zone->cond = BLK_ZONE_COND_FULL;
+		zone->wp = zone->start + zone->len;
+		break;
 	default:
 		return BLK_STS_NOTSUPP;
 	}
@@ -172,7 +196,10 @@ blk_status_t null_handle_zoned(struct nullb_cmd *cmd, enum req_opf op,
 		return null_zone_write(cmd, sector, nr_sectors);
 	case REQ_OP_ZONE_RESET:
 	case REQ_OP_ZONE_RESET_ALL:
-		return null_zone_reset(cmd, sector);
+	case REQ_OP_ZONE_OPEN:
+	case REQ_OP_ZONE_CLOSE:
+	case REQ_OP_ZONE_FINISH:
+		return null_zone_mgmt(cmd, op, sector);
 	default:
 		return BLK_STS_OK;
 	}
-- 
2.21.0

  parent reply	other threads:[~2019-10-27 14:06 UTC|newest]

Thread overview: 62+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-27 14:05 [PATCH 0/8] Zone management commands support Damien Le Moal
2019-10-27 14:05 ` Damien Le Moal
2019-10-27 14:05 ` [PATCH 1/8] block: Remove REQ_OP_ZONE_RESET plugging Damien Le Moal
2019-10-27 14:05   ` Damien Le Moal
2019-10-28  7:50   ` Chaitanya Kulkarni
2019-10-28  7:50     ` Chaitanya Kulkarni
2019-10-29 12:13   ` Javier González
2019-10-29 12:13     ` Javier González
2019-11-07  9:50   ` Christoph Hellwig
2019-11-07  9:50     ` Christoph Hellwig
2019-10-27 14:05 ` [PATCH 2/8] block: Simplify REQ_OP_ZONE_RESET_ALL handling Damien Le Moal
2019-10-27 14:05   ` Damien Le Moal
2019-10-28  7:49   ` Chaitanya Kulkarni
2019-10-28  7:49     ` Chaitanya Kulkarni
2019-10-28  7:54     ` Damien Le Moal
2019-10-28  7:54       ` Damien Le Moal
2019-10-28  8:37       ` Chaitanya Kulkarni
2019-10-28  8:37         ` Chaitanya Kulkarni
2019-11-07  9:51   ` Christoph Hellwig
2019-11-07  9:51     ` Christoph Hellwig
2019-10-27 14:05 ` [PATCH 3/8] scsi: sd_zbc: Fix sd_zbc_complete() Damien Le Moal
2019-10-27 14:05   ` Damien Le Moal
2019-11-02  0:42   ` Martin K. Petersen
2019-11-02  0:42     ` Martin K. Petersen
2019-10-27 14:05 ` [PATCH 4/8] block: add zone open, close and finish operations Damien Le Moal
2019-10-27 14:05   ` Damien Le Moal
2019-10-29 12:23   ` Javier González
2019-10-29 12:23     ` Javier González
2019-11-07  9:52   ` Christoph Hellwig
2019-11-07  9:52     ` Christoph Hellwig
2019-10-27 14:05 ` [PATCH 5/8] block: add zone open, close and finish ioctl support Damien Le Moal
2019-10-27 14:05   ` Damien Le Moal
2019-10-29 12:23   ` Javier González
2019-10-29 12:23     ` Javier González
2019-11-07  9:52   ` Christoph Hellwig
2019-11-07  9:52     ` Christoph Hellwig
2019-10-27 14:05 ` [PATCH 6/8] scsi: sd_zbc: add zone open, close, and finish support Damien Le Moal
2019-10-27 14:05   ` Damien Le Moal
2019-11-02  0:43   ` Martin K. Petersen
2019-11-02  0:43     ` Martin K. Petersen
2019-11-07  9:53   ` Christoph Hellwig
2019-11-07  9:53     ` Christoph Hellwig
2019-10-27 14:05 ` [PATCH 7/8] dm: add zone open, close " Damien Le Moal
2019-10-27 14:05   ` Damien Le Moal
2019-11-05 16:34   ` Mike Snitzer
2019-11-05 16:34     ` Mike Snitzer
2019-11-07  9:53   ` Christoph Hellwig
2019-11-07  9:53     ` Christoph Hellwig
2019-10-27 14:05 ` Damien Le Moal [this message]
2019-10-27 14:05   ` [PATCH 8/8] null_blk: add zone open, close, " Damien Le Moal
2019-11-07  9:54   ` Christoph Hellwig
2019-11-07  9:54     ` Christoph Hellwig
2019-11-02  3:01 ` [PATCH 0/8] Zone management commands support Jens Axboe
2019-11-02  3:01   ` Jens Axboe
2019-11-03 23:41   ` Damien Le Moal
2019-11-03 23:41     ` Damien Le Moal
2019-11-05  4:51     ` Martin K. Petersen
2019-11-05  4:51       ` Martin K. Petersen
2019-11-05  5:08       ` Damien Le Moal
2019-11-05  5:08         ` Damien Le Moal
2019-11-07 13:40 ` Jens Axboe
2019-11-07 13:40   ` Jens Axboe

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