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authorChristoph Hellwig <[email protected]>2021-05-21 07:51:02 +0200
committerJens Axboe <[email protected]>2021-06-01 07:42:23 -0600
commitbc70852fd10415cda727577f12ea93e502eb1027 (patch)
tree1d10967252e64c861df549668fac97b63a2f6ebc
parent1aabd53a4b49adaf65319aa622e612b6edb2b663 (diff)
bcache: convert to blk_alloc_disk/blk_cleanup_disk
Convert the bcache driver to use the blk_alloc_disk and blk_cleanup_disk helpers to simplify gendisk and request_queue allocation. Signed-off-by: Christoph Hellwig <[email protected]> Reviewed-by: Hannes Reinecke <[email protected]> Acked-by: Coly Li <[email protected]> Reviewed-by: Ulf Hansson <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jens Axboe <[email protected]>
-rw-r--r--drivers/md/bcache/super.c15
1 files changed, 4 insertions, 11 deletions
diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
index bea8c4429ae8..185246a0d855 100644
--- a/drivers/md/bcache/super.c
+++ b/drivers/md/bcache/super.c
@@ -890,13 +890,9 @@ static void bcache_device_free(struct bcache_device *d)
if (disk_added)
del_gendisk(disk);
- if (disk->queue)
- blk_cleanup_queue(disk->queue);
-
+ blk_cleanup_disk(disk);
ida_simple_remove(&bcache_device_idx,
first_minor_to_idx(disk->first_minor));
- if (disk_added)
- put_disk(disk);
}
bioset_exit(&d->bio_split);
@@ -946,7 +942,7 @@ static int bcache_device_init(struct bcache_device *d, unsigned int block_size,
BIOSET_NEED_BVECS|BIOSET_NEED_RESCUER))
goto err;
- d->disk = alloc_disk(BCACHE_MINORS);
+ d->disk = blk_alloc_disk(NUMA_NO_NODE);
if (!d->disk)
goto err;
@@ -955,14 +951,11 @@ static int bcache_device_init(struct bcache_device *d, unsigned int block_size,
d->disk->major = bcache_major;
d->disk->first_minor = idx_to_first_minor(idx);
+ d->disk->minors = BCACHE_MINORS;
d->disk->fops = ops;
d->disk->private_data = d;
- q = blk_alloc_queue(NUMA_NO_NODE);
- if (!q)
- return -ENOMEM;
-
- d->disk->queue = q;
+ q = d->disk->queue;
q->limits.max_hw_sectors = UINT_MAX;
q->limits.max_sectors = UINT_MAX;
q->limits.max_segment_size = UINT_MAX;