Commit e03843a0 authored by James Bottomley's avatar James Bottomley
Browse files

Merge branch 'fixes' into misc

parents 1451455e 812fe642

Documentation/ABI/testing/sysfs-driver-ufs

+38 −38
Original line number Diff line number Diff line
@@ -994,7 +994,7 @@ Description: This file shows the amount of physical memory needed 
What:		/sys/bus/platform/drivers/ufshcd/*/rpm_lvl

What:		/sys/bus/platform/devices/*.ufs/rpm_lvl

Date:		September 2014

Contact:	Subhash Jadavani <subhashj@codeaurora.org>

Contact:	Can Guo <quic_cang@quicinc.com>

Description:	This entry could be used to set or show the UFS device

		runtime power management level. The current driver

		implementation supports 7 levels with next target states:
@@ -1021,7 +1021,7 @@ Description: This entry could be used to set or show the UFS device 
What:		/sys/bus/platform/drivers/ufshcd/*/rpm_target_dev_state

What:		/sys/bus/platform/devices/*.ufs/rpm_target_dev_state

Date:		February 2018

Contact:	Subhash Jadavani <subhashj@codeaurora.org>

Contact:	Can Guo <quic_cang@quicinc.com>

Description:	This entry shows the target power mode of an UFS device

		for the chosen runtime power management level.
@@ -1030,7 +1030,7 @@ Description: This entry shows the target power mode of an UFS device 
What:		/sys/bus/platform/drivers/ufshcd/*/rpm_target_link_state

What:		/sys/bus/platform/devices/*.ufs/rpm_target_link_state

Date:		February 2018

Contact:	Subhash Jadavani <subhashj@codeaurora.org>

Contact:	Can Guo <quic_cang@quicinc.com>

Description:	This entry shows the target state of an UFS UIC link

		for the chosen runtime power management level.
@@ -1039,7 +1039,7 @@ Description: This entry shows the target state of an UFS UIC link 
What:		/sys/bus/platform/drivers/ufshcd/*/spm_lvl

What:		/sys/bus/platform/devices/*.ufs/spm_lvl

Date:		September 2014

Contact:	Subhash Jadavani <subhashj@codeaurora.org>

Contact:	Can Guo <quic_cang@quicinc.com>

Description:	This entry could be used to set or show the UFS device

		system power management level. The current driver

		implementation supports 7 levels with next target states:
@@ -1066,7 +1066,7 @@ Description: This entry could be used to set or show the UFS device 
What:		/sys/bus/platform/drivers/ufshcd/*/spm_target_dev_state

What:		/sys/bus/platform/devices/*.ufs/spm_target_dev_state

Date:		February 2018

Contact:	Subhash Jadavani <subhashj@codeaurora.org>

Contact:	Can Guo <quic_cang@quicinc.com>

Description:	This entry shows the target power mode of an UFS device

		for the chosen system power management level.
@@ -1075,7 +1075,7 @@ Description: This entry shows the target power mode of an UFS device 
What:		/sys/bus/platform/drivers/ufshcd/*/spm_target_link_state

What:		/sys/bus/platform/devices/*.ufs/spm_target_link_state

Date:		February 2018

Contact:	Subhash Jadavani <subhashj@codeaurora.org>

Contact:	Can Guo <quic_cang@quicinc.com>

Description:	This entry shows the target state of an UFS UIC link

		for the chosen system power management level.
@@ -1084,7 +1084,7 @@ Description: This entry shows the target state of an UFS UIC link 
What:		/sys/bus/platform/drivers/ufshcd/*/monitor/monitor_enable

What:		/sys/bus/platform/devices/*.ufs/monitor/monitor_enable

Date:		January 2021

Contact:	Can Guo <cang@codeaurora.org>

Contact:	Can Guo <quic_cang@quicinc.com>

Description:	This file shows the status of performance monitor enablement

		and it can be used to start/stop the monitor. When the monitor

		is stopped, the performance data collected is also cleared.
@@ -1092,7 +1092,7 @@ Description: This file shows the status of performance monitor enablement 
What:		/sys/bus/platform/drivers/ufshcd/*/monitor/monitor_chunk_size

What:		/sys/bus/platform/devices/*.ufs/monitor/monitor_chunk_size

Date:		January 2021

Contact:	Can Guo <cang@codeaurora.org>

Contact:	Can Guo <quic_cang@quicinc.com>

Description:	This file tells the monitor to focus on requests transferring

		data of specific chunk size (in Bytes). 0 means any chunk size.

		It can only be changed when monitor is disabled.
@@ -1100,7 +1100,7 @@ Description: This file tells the monitor to focus on requests transferring 
What:		/sys/bus/platform/drivers/ufshcd/*/monitor/read_total_sectors

What:		/sys/bus/platform/devices/*.ufs/monitor/read_total_sectors

Date:		January 2021

Contact:	Can Guo <cang@codeaurora.org>

Contact:	Can Guo <quic_cang@quicinc.com>

Description:	This file shows how many sectors (in 512 Bytes) have been

		sent from device to host after monitor gets started.
@@ -1109,7 +1109,7 @@ Description: This file shows how many sectors (in 512 Bytes) have been 
What:		/sys/bus/platform/drivers/ufshcd/*/monitor/read_total_busy

What:		/sys/bus/platform/devices/*.ufs/monitor/read_total_busy

Date:		January 2021

Contact:	Can Guo <cang@codeaurora.org>

Contact:	Can Guo <quic_cang@quicinc.com>

Description:	This file shows how long (in micro seconds) has been spent

		sending data from device to host after monitor gets started.
@@ -1118,7 +1118,7 @@ Description: This file shows how long (in micro seconds) has been spent 
What:		/sys/bus/platform/drivers/ufshcd/*/monitor/read_nr_requests

What:		/sys/bus/platform/devices/*.ufs/monitor/read_nr_requests

Date:		January 2021

Contact:	Can Guo <cang@codeaurora.org>

Contact:	Can Guo <quic_cang@quicinc.com>

Description:	This file shows how many read requests have been sent after

		monitor gets started.
@@ -1127,7 +1127,7 @@ Description: This file shows how many read requests have been sent after 
What:		/sys/bus/platform/drivers/ufshcd/*/monitor/read_req_latency_max

What:		/sys/bus/platform/devices/*.ufs/monitor/read_req_latency_max

Date:		January 2021

Contact:	Can Guo <cang@codeaurora.org>

Contact:	Can Guo <quic_cang@quicinc.com>

Description:	This file shows the maximum latency (in micro seconds) of

		read requests after monitor gets started.
@@ -1136,7 +1136,7 @@ Description: This file shows the maximum latency (in micro seconds) of 
What:		/sys/bus/platform/drivers/ufshcd/*/monitor/read_req_latency_min

What:		/sys/bus/platform/devices/*.ufs/monitor/read_req_latency_min

Date:		January 2021

Contact:	Can Guo <cang@codeaurora.org>

Contact:	Can Guo <quic_cang@quicinc.com>

Description:	This file shows the minimum latency (in micro seconds) of

		read requests after monitor gets started.
@@ -1145,7 +1145,7 @@ Description: This file shows the minimum latency (in micro seconds) of 
What:		/sys/bus/platform/drivers/ufshcd/*/monitor/read_req_latency_avg

What:		/sys/bus/platform/devices/*.ufs/monitor/read_req_latency_avg

Date:		January 2021

Contact:	Can Guo <cang@codeaurora.org>

Contact:	Can Guo <quic_cang@quicinc.com>

Description:	This file shows the average latency (in micro seconds) of

		read requests after monitor gets started.
@@ -1154,7 +1154,7 @@ Description: This file shows the average latency (in micro seconds) of 
What:		/sys/bus/platform/drivers/ufshcd/*/monitor/read_req_latency_sum

What:		/sys/bus/platform/devices/*.ufs/monitor/read_req_latency_sum

Date:		January 2021

Contact:	Can Guo <cang@codeaurora.org>

Contact:	Can Guo <quic_cang@quicinc.com>

Description:	This file shows the total latency (in micro seconds) of

		read requests sent after monitor gets started.
@@ -1163,7 +1163,7 @@ Description: This file shows the total latency (in micro seconds) of 
What:		/sys/bus/platform/drivers/ufshcd/*/monitor/write_total_sectors

What:		/sys/bus/platform/devices/*.ufs/monitor/write_total_sectors

Date:		January 2021

Contact:	Can Guo <cang@codeaurora.org>

Contact:	Can Guo <quic_cang@quicinc.com>

Description:	This file shows how many sectors (in 512 Bytes) have been sent

		from host to device after monitor gets started.
@@ -1172,7 +1172,7 @@ Description: This file shows how many sectors (in 512 Bytes) have been sent 
What:		/sys/bus/platform/drivers/ufshcd/*/monitor/write_total_busy

What:		/sys/bus/platform/devices/*.ufs/monitor/write_total_busy

Date:		January 2021

Contact:	Can Guo <cang@codeaurora.org>

Contact:	Can Guo <quic_cang@quicinc.com>

Description:	This file shows how long (in micro seconds) has been spent

		sending data from host to device after monitor gets started.
@@ -1181,7 +1181,7 @@ Description: This file shows how long (in micro seconds) has been spent 
What:		/sys/bus/platform/drivers/ufshcd/*/monitor/write_nr_requests

What:		/sys/bus/platform/devices/*.ufs/monitor/write_nr_requests

Date:		January 2021

Contact:	Can Guo <cang@codeaurora.org>

Contact:	Can Guo <quic_cang@quicinc.com>

Description:	This file shows how many write requests have been sent after

		monitor gets started.
@@ -1190,7 +1190,7 @@ Description: This file shows how many write requests have been sent after 
What:		/sys/bus/platform/drivers/ufshcd/*/monitor/write_req_latency_max

What:		/sys/bus/platform/devices/*.ufs/monitor/write_req_latency_max

Date:		January 2021

Contact:	Can Guo <cang@codeaurora.org>

Contact:	Can Guo <quic_cang@quicinc.com>

Description:	This file shows the maximum latency (in micro seconds) of write

		requests after monitor gets started.
@@ -1199,7 +1199,7 @@ Description: This file shows the maximum latency (in micro seconds) of write 
What:		/sys/bus/platform/drivers/ufshcd/*/monitor/write_req_latency_min

What:		/sys/bus/platform/devices/*.ufs/monitor/write_req_latency_min

Date:		January 2021

Contact:	Can Guo <cang@codeaurora.org>

Contact:	Can Guo <quic_cang@quicinc.com>

Description:	This file shows the minimum latency (in micro seconds) of write

		requests after monitor gets started.
@@ -1208,7 +1208,7 @@ Description: This file shows the minimum latency (in micro seconds) of write 
What:		/sys/bus/platform/drivers/ufshcd/*/monitor/write_req_latency_avg

What:		/sys/bus/platform/devices/*.ufs/monitor/write_req_latency_avg

Date:		January 2021

Contact:	Can Guo <cang@codeaurora.org>

Contact:	Can Guo <quic_cang@quicinc.com>

Description:	This file shows the average latency (in micro seconds) of write

		requests after monitor gets started.
@@ -1217,7 +1217,7 @@ Description: This file shows the average latency (in micro seconds) of write 
What:		/sys/bus/platform/drivers/ufshcd/*/monitor/write_req_latency_sum

What:		/sys/bus/platform/devices/*.ufs/monitor/write_req_latency_sum

Date:		January 2021

Contact:	Can Guo <cang@codeaurora.org>

Contact:	Can Guo <quic_cang@quicinc.com>

Description:	This file shows the total latency (in micro seconds) of write

		requests after monitor gets started.
@@ -1226,7 +1226,7 @@ Description: This file shows the total latency (in micro seconds) of write 
What:		/sys/bus/platform/drivers/ufshcd/*/device_descriptor/wb_presv_us_en

What:		/sys/bus/platform/devices/*.ufs/device_descriptor/wb_presv_us_en

Date:		June 2020

Contact:	Asutosh Das <asutoshd@codeaurora.org>

Contact:	Asutosh Das <quic_asutoshd@quicinc.com>

Description:	This entry shows if preserve user-space was configured



		The file is read only.
@@ -1234,7 +1234,7 @@ Description: This entry shows if preserve user-space was configured 
What:		/sys/bus/platform/drivers/ufshcd/*/device_descriptor/wb_shared_alloc_units

What:		/sys/bus/platform/devices/*.ufs/device_descriptor/wb_shared_alloc_units

Date:		June 2020

Contact:	Asutosh Das <asutoshd@codeaurora.org>

Contact:	Asutosh Das <quic_asutoshd@quicinc.com>

Description:	This entry shows the shared allocated units of WB buffer



		The file is read only.
@@ -1242,7 +1242,7 @@ Description: This entry shows the shared allocated units of WB buffer 
What:		/sys/bus/platform/drivers/ufshcd/*/device_descriptor/wb_type

What:		/sys/bus/platform/devices/*.ufs/device_descriptor/wb_type

Date:		June 2020

Contact:	Asutosh Das <asutoshd@codeaurora.org>

Contact:	Asutosh Das <quic_asutoshd@quicinc.com>

Description:	This entry shows the configured WB type.

		0x1 for shared buffer mode. 0x0 for dedicated buffer mode.
@@ -1251,7 +1251,7 @@ Description: This entry shows the configured WB type. 
What:		/sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/wb_buff_cap_adj

What:		/sys/bus/platform/devices/*.ufs/geometry_descriptor/wb_buff_cap_adj

Date:		June 2020

Contact:	Asutosh Das <asutoshd@codeaurora.org>

Contact:	Asutosh Das <quic_asutoshd@quicinc.com>

Description:	This entry shows the total user-space decrease in shared

		buffer mode.

		The value of this parameter is 3 for TLC NAND when SLC mode
@@ -1262,7 +1262,7 @@ Description: This entry shows the total user-space decrease in shared 
What:		/sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/wb_max_alloc_units

What:		/sys/bus/platform/devices/*.ufs/geometry_descriptor/wb_max_alloc_units

Date:		June 2020

Contact:	Asutosh Das <asutoshd@codeaurora.org>

Contact:	Asutosh Das <quic_asutoshd@quicinc.com>

Description:	This entry shows the Maximum total WriteBooster Buffer size

		which is supported by the entire device.
@@ -1271,7 +1271,7 @@ Description: This entry shows the Maximum total WriteBooster Buffer size 
What:		/sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/wb_max_wb_luns

What:		/sys/bus/platform/devices/*.ufs/geometry_descriptor/wb_max_wb_luns

Date:		June 2020

Contact:	Asutosh Das <asutoshd@codeaurora.org>

Contact:	Asutosh Das <quic_asutoshd@quicinc.com>

Description:	This entry shows the maximum number of luns that can support

		WriteBooster.
@@ -1280,7 +1280,7 @@ Description: This entry shows the maximum number of luns that can support 
What:		/sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/wb_sup_red_type

What:		/sys/bus/platform/devices/*.ufs/geometry_descriptor/wb_sup_red_type

Date:		June 2020

Contact:	Asutosh Das <asutoshd@codeaurora.org>

Contact:	Asutosh Das <quic_asutoshd@quicinc.com>

Description:	The supportability of user space reduction mode

		and preserve user space mode.

		00h: WriteBooster Buffer can be configured only in
@@ -1295,7 +1295,7 @@ Description: The supportability of user space reduction mode 
What:		/sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/wb_sup_wb_type

What:		/sys/bus/platform/devices/*.ufs/geometry_descriptor/wb_sup_wb_type

Date:		June 2020

Contact:	Asutosh Das <asutoshd@codeaurora.org>

Contact:	Asutosh Das <quic_asutoshd@quicinc.com>

Description:	The supportability of WriteBooster Buffer type.



		===  ==========================================================
@@ -1310,7 +1310,7 @@ Description: The supportability of WriteBooster Buffer type. 
What:		/sys/bus/platform/drivers/ufshcd/*/flags/wb_enable

What:		/sys/bus/platform/devices/*.ufs/flags/wb_enable

Date:		June 2020

Contact:	Asutosh Das <asutoshd@codeaurora.org>

Contact:	Asutosh Das <quic_asutoshd@quicinc.com>

Description:	This entry shows the status of WriteBooster.



		== ============================
@@ -1323,7 +1323,7 @@ Description: This entry shows the status of WriteBooster. 
What:		/sys/bus/platform/drivers/ufshcd/*/flags/wb_flush_en

What:		/sys/bus/platform/devices/*.ufs/flags/wb_flush_en

Date:		June 2020

Contact:	Asutosh Das <asutoshd@codeaurora.org>

Contact:	Asutosh Das <quic_asutoshd@quicinc.com>

Description:	This entry shows if flush is enabled.



		== =================================
@@ -1336,7 +1336,7 @@ Description: This entry shows if flush is enabled. 
What:		/sys/bus/platform/drivers/ufshcd/*/flags/wb_flush_during_h8

What:		/sys/bus/platform/devices/*.ufs/flags/wb_flush_during_h8

Date:		June 2020

Contact:	Asutosh Das <asutoshd@codeaurora.org>

Contact:	Asutosh Das <quic_asutoshd@quicinc.com>

Description:	Flush WriteBooster Buffer during hibernate state.



		== =================================================
@@ -1351,7 +1351,7 @@ Description: Flush WriteBooster Buffer during hibernate state. 
What:		/sys/bus/platform/drivers/ufshcd/*/attributes/wb_avail_buf

What:		/sys/bus/platform/devices/*.ufs/attributes/wb_avail_buf

Date:		June 2020

Contact:	Asutosh Das <asutoshd@codeaurora.org>

Contact:	Asutosh Das <quic_asutoshd@quicinc.com>

Description:	This entry shows the amount of unused WriteBooster buffer

		available.
@@ -1360,7 +1360,7 @@ Description: This entry shows the amount of unused WriteBooster buffer 
What:		/sys/bus/platform/drivers/ufshcd/*/attributes/wb_cur_buf

What:		/sys/bus/platform/devices/*.ufs/attributes/wb_cur_buf

Date:		June 2020

Contact:	Asutosh Das <asutoshd@codeaurora.org>

Contact:	Asutosh Das <quic_asutoshd@quicinc.com>

Description:	This entry shows the amount of unused current buffer.



		The file is read only.
@@ -1368,7 +1368,7 @@ Description: This entry shows the amount of unused current buffer. 
What:		/sys/bus/platform/drivers/ufshcd/*/attributes/wb_flush_status

What:		/sys/bus/platform/devices/*.ufs/attributes/wb_flush_status

Date:		June 2020

Contact:	Asutosh Das <asutoshd@codeaurora.org>

Contact:	Asutosh Das <quic_asutoshd@quicinc.com>

Description:	This entry shows the flush operation status.
@@ -1385,7 +1385,7 @@ Description: This entry shows the flush operation status. 
What:		/sys/bus/platform/drivers/ufshcd/*/attributes/wb_life_time_est

What:		/sys/bus/platform/devices/*.ufs/attributes/wb_life_time_est

Date:		June 2020

Contact:	Asutosh Das <asutoshd@codeaurora.org>

Contact:	Asutosh Das <quic_asutoshd@quicinc.com>

Description:	This entry shows an indication of the WriteBooster Buffer

		lifetime based on the amount of performed program/erase cycles
@@ -1399,7 +1399,7 @@ Description: This entry shows an indication of the WriteBooster Buffer 


What:		/sys/class/scsi_device/*/device/unit_descriptor/wb_buf_alloc_units

Date:		June 2020

Contact:	Asutosh Das <asutoshd@codeaurora.org>

Contact:	Asutosh Das <quic_asutoshd@quicinc.com>

Description:	This entry shows the configured size of WriteBooster buffer.

		0400h corresponds to 4GB.

block/blk-zoned.c

+50 −36
Original line number Diff line number Diff line
@@ -442,7 +442,6 @@ struct blk_revalidate_zone_args { 
	unsigned long	*conv_zones_bitmap;

	unsigned long	*seq_zones_wlock;

	unsigned int	nr_zones;

	sector_t	zone_sectors;

	sector_t	sector;

};
@@ -456,40 +455,36 @@ static int blk_revalidate_zone_cb(struct blk_zone *zone, unsigned int idx, 
	struct gendisk *disk = args->disk;

	struct request_queue *q = disk->queue;

	sector_t capacity = get_capacity(disk);

	sector_t zone_sectors = q->limits.chunk_sectors;



	/* Check for bad zones and holes in the zone report */

	if (zone->start != args->sector) {

		pr_warn("%s: Zone gap at sectors %llu..%llu\n",

			disk->disk_name, args->sector, zone->start);

		return -ENODEV;

	}



	if (zone->start >= capacity || !zone->len) {

		pr_warn("%s: Invalid zone start %llu, length %llu\n",

			disk->disk_name, zone->start, zone->len);

		return -ENODEV;

	}



	/*

	 * All zones must have the same size, with the exception on an eventual

	 * smaller last zone.

	 */

	if (zone->start == 0) {

		if (zone->len == 0 || !is_power_of_2(zone->len)) {

			pr_warn("%s: Invalid zoned device with non power of two zone size (%llu)\n",

				disk->disk_name, zone->len);

			return -ENODEV;

		}



		args->zone_sectors = zone->len;

		args->nr_zones = (capacity + zone->len - 1) >> ilog2(zone->len);

	} else if (zone->start + args->zone_sectors < capacity) {

		if (zone->len != args->zone_sectors) {

	if (zone->start + zone->len < capacity) {

		if (zone->len != zone_sectors) {

			pr_warn("%s: Invalid zoned device with non constant zone size\n",

				disk->disk_name);

			return -ENODEV;

		}

	} else {

		if (zone->len > args->zone_sectors) {

	} else if (zone->len > zone_sectors) {

		pr_warn("%s: Invalid zoned device with larger last zone size\n",

			disk->disk_name);

		return -ENODEV;

	}

	}



	/* Check for holes in the zone report */

	if (zone->start != args->sector) {

		pr_warn("%s: Zone gap at sectors %llu..%llu\n",

			disk->disk_name, args->sector, zone->start);

		return -ENODEV;

	}



	/* Check zone type */

	switch (zone->type) {
@@ -526,11 +521,13 @@ static int blk_revalidate_zone_cb(struct blk_zone *zone, unsigned int idx, 
 * @disk:	Target disk

 * @update_driver_data:	Callback to update driver data on the frozen disk

 *

 * Helper function for low-level device drivers to (re) allocate and initialize

 * a disk request queue zone bitmaps. This functions should normally be called

 * within the disk ->revalidate method for blk-mq based drivers.  For BIO based

 * drivers only q->nr_zones needs to be updated so that the sysfs exposed value

 * is correct.

 * Helper function for low-level device drivers to check and (re) allocate and

 * initialize a disk request queue zone bitmaps. This functions should normally

 * be called within the disk ->revalidate method for blk-mq based drivers.

 * Before calling this function, the device driver must already have set the

 * device zone size (chunk_sector limit) and the max zone append limit.

 * For BIO based drivers, this function cannot be used. BIO based device drivers

 * only need to set disk->nr_zones so that the sysfs exposed value is correct.

 * If the @update_driver_data callback function is not NULL, the callback is

 * executed with the device request queue frozen after all zones have been

 * checked.
@@ -539,9 +536,9 @@ int blk_revalidate_disk_zones(struct gendisk *disk, 
			      void (*update_driver_data)(struct gendisk *disk))

{

	struct request_queue *q = disk->queue;

	struct blk_revalidate_zone_args args = {

		.disk		= disk,

	};

	sector_t zone_sectors = q->limits.chunk_sectors;

	sector_t capacity = get_capacity(disk);

	struct blk_revalidate_zone_args args = { };

	unsigned int noio_flag;

	int ret;
@@ -550,13 +547,31 @@ int blk_revalidate_disk_zones(struct gendisk *disk, 
	if (WARN_ON_ONCE(!queue_is_mq(q)))

		return -EIO;



	if (!get_capacity(disk))

		return -EIO;

	if (!capacity)

		return -ENODEV;



	/*

	 * Checks that the device driver indicated a valid zone size and that

	 * the max zone append limit is set.

	 */

	if (!zone_sectors || !is_power_of_2(zone_sectors)) {

		pr_warn("%s: Invalid non power of two zone size (%llu)\n",

			disk->disk_name, zone_sectors);

		return -ENODEV;

	}



	if (!q->limits.max_zone_append_sectors) {

		pr_warn("%s: Invalid 0 maximum zone append limit\n",

			disk->disk_name);

		return -ENODEV;

	}



	/*

	 * Ensure that all memory allocations in this context are done as if

	 * GFP_NOIO was specified.

	 */

	args.disk = disk;

	args.nr_zones = (capacity + zone_sectors - 1) >> ilog2(zone_sectors);

	noio_flag = memalloc_noio_save();

	ret = disk->fops->report_zones(disk, 0, UINT_MAX,

				       blk_revalidate_zone_cb, &args);
@@ -570,7 +585,7 @@ int blk_revalidate_disk_zones(struct gendisk *disk, 
	 * If zones where reported, make sure that the entire disk capacity

	 * has been checked.

	 */

	if (ret > 0 && args.sector != get_capacity(disk)) {

	if (ret > 0 && args.sector != capacity) {

		pr_warn("%s: Missing zones from sector %llu\n",

			disk->disk_name, args.sector);

		ret = -ENODEV;
@@ -583,7 +598,6 @@ int blk_revalidate_disk_zones(struct gendisk *disk, 
	 */

	blk_mq_freeze_queue(q);

	if (ret > 0) {

		blk_queue_chunk_sectors(q, args.zone_sectors);

		disk->nr_zones = args.nr_zones;

		swap(disk->seq_zones_wlock, args.seq_zones_wlock);

		swap(disk->conv_zones_bitmap, args.conv_zones_bitmap);

drivers/block/null_blk/zoned.c

+5 −11
Original line number Diff line number Diff line
@@ -162,21 +162,15 @@ int null_register_zoned_dev(struct nullb *nullb) 
	disk_set_zoned(nullb->disk, BLK_ZONED_HM);

	blk_queue_flag_set(QUEUE_FLAG_ZONE_RESETALL, q);

	blk_queue_required_elevator_features(q, ELEVATOR_F_ZBD_SEQ_WRITE);



	if (queue_is_mq(q)) {

		int ret = blk_revalidate_disk_zones(nullb->disk, NULL);



		if (ret)

			return ret;

	} else {

	blk_queue_chunk_sectors(q, dev->zone_size_sects);

	nullb->disk->nr_zones = bdev_nr_zones(nullb->disk->part0);

	}



	blk_queue_max_zone_append_sectors(q, dev->zone_size_sects);

	disk_set_max_open_zones(nullb->disk, dev->zone_max_open);

	disk_set_max_active_zones(nullb->disk, dev->zone_max_active);



	if (queue_is_mq(q))

		return blk_revalidate_disk_zones(nullb->disk, NULL);



	return 0;

}

drivers/block/virtio_blk.c

+15 −19
Original line number Diff line number Diff line
@@ -751,7 +751,6 @@ static int virtblk_probe_zoned_device(struct virtio_device *vdev, 
{

	u32 v, wg;

	u8 model;

	int ret;



	virtio_cread(vdev, struct virtio_blk_config,

		     zoned.model, &model);
@@ -806,6 +805,7 @@ static int virtblk_probe_zoned_device(struct virtio_device *vdev, 
			vblk->zone_sectors);

		return -ENODEV;

	}

	blk_queue_chunk_sectors(q, vblk->zone_sectors);

	dev_dbg(&vdev->dev, "zone sectors = %u\n", vblk->zone_sectors);



	if (virtio_has_feature(vdev, VIRTIO_BLK_F_DISCARD)) {
@@ -814,8 +814,6 @@ static int virtblk_probe_zoned_device(struct virtio_device *vdev, 
		blk_queue_max_discard_sectors(q, 0);

	}



	ret = blk_revalidate_disk_zones(vblk->disk, NULL);

	if (!ret) {

	virtio_cread(vdev, struct virtio_blk_config,

		     zoned.max_append_sectors, &v);

	if (!v) {
@@ -828,12 +826,10 @@ static int virtblk_probe_zoned_device(struct virtio_device *vdev, 
			wg, v);

		return -ENODEV;

	}



	blk_queue_max_zone_append_sectors(q, v);

	dev_dbg(&vdev->dev, "max append sectors = %u\n", v);

	}



	return ret;

	return blk_revalidate_disk_zones(vblk->disk, NULL);

}



#else

drivers/nvme/host/zns.c

+4 −5
Original line number Diff line number Diff line
@@ -10,12 +10,11 @@ 
int nvme_revalidate_zones(struct nvme_ns *ns)

{

	struct request_queue *q = ns->queue;

	int ret;



	ret = blk_revalidate_disk_zones(ns->disk, NULL);

	if (!ret)

	blk_queue_chunk_sectors(q, ns->zsze);

	blk_queue_max_zone_append_sectors(q, ns->ctrl->max_zone_append);

	return ret;



	return blk_revalidate_disk_zones(ns->disk, NULL);

}



static int nvme_set_max_append(struct nvme_ctrl *ctrl)