diff options
| author | Christoph Hellwig <hch@lst.de> | 2024-02-15 10:10:51 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2024-02-20 02:58:24 +0300 |
| commit | 4190b3f291d9563a438bf32424a3f049442fc3a5 (patch) | |
| tree | 8fb08a5633e189533384e858b4079ead33d8d397 /drivers/block/zram | |
| parent | cc7f05c7ec0b26e1eda8ec7a99452032d08d305e (diff) | |
| download | linux-4190b3f291d9563a438bf32424a3f049442fc3a5.tar.xz | |
zram: pass queue_limits to blk_mq_alloc_disk
Pass the queue limits directly to blk_alloc_disk instead of setting them
one at a time.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Link: https://lore.kernel.org/r/20240215071055.2201424-6-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/block/zram')
| -rw-r--r-- | drivers/block/zram/zram_drv.c | 47 |
1 files changed, 23 insertions, 24 deletions
diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c index 84982221fc66..8ee0f7bef190 100644 --- a/drivers/block/zram/zram_drv.c +++ b/drivers/block/zram/zram_drv.c @@ -2177,6 +2177,28 @@ ATTRIBUTE_GROUPS(zram_disk); */ static int zram_add(void) { + struct queue_limits lim = { + .logical_block_size = ZRAM_LOGICAL_BLOCK_SIZE, + /* + * To ensure that we always get PAGE_SIZE aligned and + * n*PAGE_SIZED sized I/O requests. + */ + .physical_block_size = PAGE_SIZE, + .io_min = PAGE_SIZE, + .io_opt = PAGE_SIZE, + .max_hw_discard_sectors = UINT_MAX, + /* + * zram_bio_discard() will clear all logical blocks if logical + * block size is identical with physical block size(PAGE_SIZE). + * But if it is different, we will skip discarding some parts of + * logical blocks in the part of the request range which isn't + * aligned to physical block size. So we can't ensure that all + * discarded logical blocks are zeroed. + */ +#if ZRAM_LOGICAL_BLOCK_SIZE == PAGE_SIZE + .max_write_zeroes_sectors = UINT_MAX, +#endif + }; struct zram *zram; int ret, device_id; @@ -2195,7 +2217,7 @@ static int zram_add(void) #endif /* gendisk structure */ - zram->disk = blk_alloc_disk(NULL, NUMA_NO_NODE); + zram->disk = blk_alloc_disk(&lim, NUMA_NO_NODE); if (IS_ERR(zram->disk)) { pr_err("Error allocating disk structure for device %d\n", device_id); @@ -2216,29 +2238,6 @@ static int zram_add(void) /* zram devices sort of resembles non-rotational disks */ blk_queue_flag_set(QUEUE_FLAG_NONROT, zram->disk->queue); blk_queue_flag_set(QUEUE_FLAG_SYNCHRONOUS, zram->disk->queue); - - /* - * To ensure that we always get PAGE_SIZE aligned - * and n*PAGE_SIZED sized I/O requests. - */ - blk_queue_physical_block_size(zram->disk->queue, PAGE_SIZE); - blk_queue_logical_block_size(zram->disk->queue, - ZRAM_LOGICAL_BLOCK_SIZE); - blk_queue_io_min(zram->disk->queue, PAGE_SIZE); - blk_queue_io_opt(zram->disk->queue, PAGE_SIZE); - blk_queue_max_discard_sectors(zram->disk->queue, UINT_MAX); - - /* - * zram_bio_discard() will clear all logical blocks if logical block - * size is identical with physical block size(PAGE_SIZE). But if it is - * different, we will skip discarding some parts of logical blocks in - * the part of the request range which isn't aligned to physical block - * size. So we can't ensure that all discarded logical blocks are - * zeroed. - */ - if (ZRAM_LOGICAL_BLOCK_SIZE == PAGE_SIZE) - blk_queue_max_write_zeroes_sectors(zram->disk->queue, UINT_MAX); - blk_queue_flag_set(QUEUE_FLAG_STABLE_WRITES, zram->disk->queue); ret = device_add_disk(NULL, zram->disk, zram_disk_groups); if (ret) |