Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-09-20 15:03:04 +00:00
Code Issues Packages Projects Releases Wiki Activity

block: move the zoned flag into the features field

Browse Source 
Move the zoned flags into the features field to reclaim a little
bit of space.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Link: https://lore.kernel.org/r/20240617060532.127975-23-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2024-06-17 08:04:49 +02:00 committed by Jens Axboe
parent 8023e144f9
commit b1fc937a55
10 changed files with 23 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
block/blk-settings.c
View File

@ -68,7 +68,7 @@ static void blk_apply_bdi_limits(struct backing_dev_info *bdi,
static int blk_validate_zoned_limits(struct queue_limits *lim)
{
if (!lim->zoned) {
if (!(lim->features & BLK_FEAT_ZONED)) {
if (WARN_ON_ONCE(lim->max_open_zones) ||
WARN_ON_ONCE(lim->max_active_zones) ||
WARN_ON_ONCE(lim->zone_write_granularity) ||
@ -602,8 +602,7 @@ int blk_stack_limits(struct queue_limits *t, struct queue_limits *b,
b->max_secure_erase_sectors);
t->zone_write_granularity = max(t->zone_write_granularity,
b->zone_write_granularity);
t->zoned = max(t->zoned, b->zoned);
if (!t->zoned) {
if (!(t->features & BLK_FEAT_ZONED)) {
t->zone_write_granularity = 0;
t->max_zone_append_sectors = 0;
}

2
drivers/block/null_blk/zoned.c
View File

@ -158,7 +158,7 @@ int null_init_zoned_dev(struct nullb_device *dev,
sector += dev->zone_size_sects;
}
lim->zoned = true;
lim->features |= BLK_FEAT_ZONED;
lim->chunk_sectors = dev->zone_size_sects;
lim->max_zone_append_sectors = dev->zone_append_max_sectors;
lim->max_open_zones = dev->zone_max_open;

2
drivers/block/ublk_drv.c
View File

@ -2196,7 +2196,7 @@ static int ublk_ctrl_start_dev(struct ublk_device *ub, struct io_uring_cmd *cmd)
if (!IS_ENABLED(CONFIG_BLK_DEV_ZONED))
return -EOPNOTSUPP;
lim.zoned = true;
lim.features |= BLK_FEAT_ZONED;
lim.max_active_zones = p->max_active_zones;
lim.max_open_zones = p->max_open_zones;
lim.max_zone_append_sectors = p->max_zone_append_sectors;

5
drivers/block/virtio_blk.c
View File

@ -728,7 +728,7 @@ static int virtblk_read_zoned_limits(struct virtio_blk *vblk,
dev_dbg(&vdev->dev, "probing host-managed zoned device\n");
lim->zoned = true;
lim->features |= BLK_FEAT_ZONED;
virtio_cread(vdev, struct virtio_blk_config,
zoned.max_open_zones, &v);
@ -1546,7 +1546,8 @@ static int virtblk_probe(struct virtio_device *vdev)
* All steps that follow use the VQs therefore they need to be
* placed after the virtio_device_ready() call above.
*/
if (IS_ENABLED(CONFIG_BLK_DEV_ZONED) && lim.zoned) {
if (IS_ENABLED(CONFIG_BLK_DEV_ZONED) &&
(lim.features & BLK_FEAT_ZONED)) {
blk_queue_flag_set(QUEUE_FLAG_ZONE_RESETALL, vblk->disk->queue);
err = blk_revalidate_disk_zones(vblk->disk);
if (err)

11
drivers/md/dm-table.c
View File

@ -1605,12 +1605,12 @@ int dm_calculate_queue_limits(struct dm_table *t,
ti->type->iterate_devices(ti, dm_set_device_limits,
&ti_limits);
if (!zoned && ti_limits.zoned) {
if (!zoned && (ti_limits.features & BLK_FEAT_ZONED)) {
/*
* After stacking all limits, validate all devices
* in table support this zoned model and zone sectors.
*/
zoned = ti_limits.zoned;
zoned = (ti_limits.features & BLK_FEAT_ZONED);
zone_sectors = ti_limits.chunk_sectors;
}
@ -1658,12 +1658,12 @@ combine_limits:
* zoned model on host-managed zoned block devices.
* BUT...
*/
if (limits->zoned) {
if (limits->features & BLK_FEAT_ZONED) {
/*
* ...IF the above limits stacking determined a zoned model
* validate that all of the table's devices conform to it.
*/
zoned = limits->zoned;
zoned = limits->features & BLK_FEAT_ZONED;
zone_sectors = limits->chunk_sectors;
}
if (validate_hardware_zoned(t, zoned, zone_sectors))
@ -1834,7 +1834,8 @@ int dm_table_set_restrictions(struct dm_table *t, struct request_queue *q,
* For a zoned target, setup the zones related queue attributes
* and resources necessary for zone append emulation if necessary.
*/
if (IS_ENABLED(CONFIG_BLK_DEV_ZONED) && limits->zoned) {
if (IS_ENABLED(CONFIG_BLK_DEV_ZONED) &&
(limits->features & limits->features & BLK_FEAT_ZONED)) {
r = dm_set_zones_restrictions(t, q, limits);
if (r)
return r;

2
drivers/md/dm-zone.c
View File

@ -263,7 +263,7 @@ int dm_set_zones_restrictions(struct dm_table *t, struct request_queue *q,
if (nr_conv_zones >= ret) {
lim->max_open_zones = 0;
lim->max_active_zones = 0;
lim->zoned = false;
lim->features &= ~BLK_FEAT_ZONED;
clear_bit(DMF_EMULATE_ZONE_APPEND, &md->flags);
disk->nr_zones = 0;
return 0;

2
drivers/md/dm-zoned-target.c
View File

@ -1009,7 +1009,7 @@ static void dmz_io_hints(struct dm_target *ti, struct queue_limits *limits)
limits->max_sectors = chunk_sectors;
/* We are exposing a drive-managed zoned block device */
limits->zoned = false;
limits->features &= ~BLK_FEAT_ZONED;
}
/*

2
drivers/nvme/host/zns.c
View File

@ -108,7 +108,7 @@ free_data:
void nvme_update_zone_info(struct nvme_ns *ns, struct queue_limits *lim,
struct nvme_zone_info *zi)
{
lim->zoned = 1;
lim->features |= BLK_FEAT_ZONED;
lim->max_open_zones = zi->max_open_zones;
lim->max_active_zones = zi->max_active_zones;
lim->max_zone_append_sectors = ns->ctrl->max_zone_append;

2
drivers/scsi/sd_zbc.c
View File

@ -601,7 +601,7 @@ int sd_zbc_read_zones(struct scsi_disk *sdkp, struct queue_limits *lim,
if (sdkp->device->type != TYPE_ZBC)
return 0;
lim->zoned = true;
lim->features |= BLK_FEAT_ZONED;
/*
* Per ZBC and ZAC specifications, writes in sequential write required

9
include/linux/blkdev.h
View File

@ -313,6 +313,9 @@ enum {
/* supports I/O polling */
BLK_FEAT_POLL = (1u << 9),
/* is a zoned device */
BLK_FEAT_ZONED = (1u << 10),
};
/*
@ -320,7 +323,7 @@ enum {
*/
#define BLK_FEAT_INHERIT_MASK \
(BLK_FEAT_WRITE_CACHE | BLK_FEAT_FUA | BLK_FEAT_ROTATIONAL | \
BLK_FEAT_STABLE_WRITES)
BLK_FEAT_STABLE_WRITES | BLK_FEAT_ZONED)
/* internal flags in queue_limits.flags */
enum {
@ -372,7 +375,6 @@ struct queue_limits {
unsigned char misaligned;
unsigned char discard_misaligned;
unsigned char raid_partial_stripes_expensive;
bool zoned;
unsigned int max_open_zones;
unsigned int max_active_zones;
@ -654,7 +656,8 @@ static inline enum rpm_status queue_rpm_status(struct request_queue *q)
static inline bool blk_queue_is_zoned(struct request_queue *q)
{
return IS_ENABLED(CONFIG_BLK_DEV_ZONED) && q->limits.zoned;
return IS_ENABLED(CONFIG_BLK_DEV_ZONED) &&
(q->limits.features & BLK_FEAT_ZONED);
}
#ifdef CONFIG_BLK_DEV_ZONED