diff options
| author | Christoph Hellwig <hch@lst.de> | 2024-06-17 08:04:47 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2024-06-19 07:58:28 -0600 |
| commit | f467fee48da4500786e145489787b37adae317c3 (patch) | |
| tree | 07fc3d941588f08ee48928f544fd27aacf00acf5 /drivers | |
| parent | f76af42f8bf13d2620084f305f01691de9238fc7 (diff) | |
| download | lwn-f467fee48da4500786e145489787b37adae317c3.tar.gz lwn-f467fee48da4500786e145489787b37adae317c3.zip | |
block: move the dax flag to queue_limits
Move the dax flag into the queue_limits feature field so that it can be
set atomically with the queue frozen.
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/20240617060532.127975-21-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/md/dm-table.c | 4 | ||||
| -rw-r--r-- | drivers/nvdimm/pmem.c | 7 | ||||
| -rw-r--r-- | drivers/s390/block/dcssblk.c | 2 |
3 files changed, 5 insertions, 8 deletions
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c index 84d636712c72..e44697037e86 100644 --- a/drivers/md/dm-table.c +++ b/drivers/md/dm-table.c @@ -1834,11 +1834,11 @@ int dm_table_set_restrictions(struct dm_table *t, struct request_queue *q, limits->features |= BLK_FEAT_WRITE_CACHE | BLK_FEAT_FUA; if (dm_table_supports_dax(t, device_not_dax_capable)) { - blk_queue_flag_set(QUEUE_FLAG_DAX, q); + limits->features |= BLK_FEAT_DAX; if (dm_table_supports_dax(t, device_not_dax_synchronous_capable)) set_dax_synchronous(t->md->dax_dev); } else - blk_queue_flag_clear(QUEUE_FLAG_DAX, q); + limits->features &= ~BLK_FEAT_DAX; if (dm_table_any_dev_attr(t, device_dax_write_cache_enabled, NULL)) dax_write_cache(t->md->dax_dev, true); diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c index b821dcf018f6..1dd74c969d5a 100644 --- a/drivers/nvdimm/pmem.c +++ b/drivers/nvdimm/pmem.c @@ -465,7 +465,6 @@ static int pmem_attach_disk(struct device *dev, struct dax_device *dax_dev; struct nd_pfn_sb *pfn_sb; struct pmem_device *pmem; - struct request_queue *q; struct gendisk *disk; void *addr; int rc; @@ -499,6 +498,8 @@ static int pmem_attach_disk(struct device *dev, } if (fua) lim.features |= BLK_FEAT_FUA; + if (is_nd_pfn(dev)) + lim.features |= BLK_FEAT_DAX; if (!devm_request_mem_region(dev, res->start, resource_size(res), dev_name(&ndns->dev))) { @@ -509,7 +510,6 @@ static int pmem_attach_disk(struct device *dev, disk = blk_alloc_disk(&lim, nid); if (IS_ERR(disk)) return PTR_ERR(disk); - q = disk->queue; pmem->disk = disk; pmem->pgmap.owner = pmem; @@ -547,9 +547,6 @@ static int pmem_attach_disk(struct device *dev, } pmem->virt_addr = addr; - if (pmem->pfn_flags & PFN_MAP) - blk_queue_flag_set(QUEUE_FLAG_DAX, q); - disk->fops = &pmem_fops; disk->private_data = pmem; nvdimm_namespace_disk_name(ndns, disk->disk_name); diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c index 6d1689a2717e..d5a5d11ae0dc 100644 --- a/drivers/s390/block/dcssblk.c +++ b/drivers/s390/block/dcssblk.c @@ -548,6 +548,7 @@ dcssblk_add_store(struct device *dev, struct device_attribute *attr, const char { struct queue_limits lim = { .logical_block_size = 4096, + .features = BLK_FEAT_DAX, }; int rc, i, j, num_of_segments; struct dcssblk_dev_info *dev_info; @@ -643,7 +644,6 @@ dcssblk_add_store(struct device *dev, struct device_attribute *attr, const char dev_info->gd->fops = &dcssblk_devops; dev_info->gd->private_data = dev_info; dev_info->gd->flags |= GENHD_FL_NO_PART; - blk_queue_flag_set(QUEUE_FLAG_DAX, dev_info->gd->queue); seg_byte_size = (dev_info->end - dev_info->start + 1); set_capacity(dev_info->gd, seg_byte_size >> 9); // size in sectors |