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| author | Christoph Hellwig <hch@lst.de> | 2021-08-16 15:19:08 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2021-08-23 12:54:30 -0600 |
| commit | 4a1fa41d304c7129328d4d5c7f31715b95e23b29 (patch) | |
| tree | d4dc44ad63f2f1421feb50c15c2b616150af27e9 /block/genhd.c | |
| parent | a58bd7683fcb60ae24c8572f932b48bc65719b7c (diff) | |
| download | lwn-4a1fa41d304c7129328d4d5c7f31715b95e23b29.tar.gz lwn-4a1fa41d304c7129328d4d5c7f31715b95e23b29.zip | |
block: pass a request_queue to __blk_alloc_disk
Pass in a request_queue and assign disk->queue in __blk_alloc_disk to
ensure struct gendisk always has a valid ->queue pointer.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20210816131910.615153-8-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/genhd.c')
| -rw-r--r-- | block/genhd.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/block/genhd.c b/block/genhd.c index caeda726189c..f18122ee2778 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -1254,7 +1254,8 @@ dev_t blk_lookup_devt(const char *name, int partno) return devt; } -struct gendisk *__alloc_disk_node(int node_id, struct lock_class_key *lkclass) +struct gendisk *__alloc_disk_node(struct request_queue *q, int node_id, + struct lock_class_key *lkclass) { struct gendisk *disk; @@ -1281,6 +1282,7 @@ struct gendisk *__alloc_disk_node(int node_id, struct lock_class_key *lkclass) disk_to_dev(disk)->type = &disk_type; device_initialize(disk_to_dev(disk)); inc_diskseq(disk); + disk->queue = q; lockdep_init_map(&disk->lockdep_map, "(bio completion)", lkclass, 0); #ifdef CONFIG_BLOCK_HOLDER_DEPRECATED INIT_LIST_HEAD(&disk->slave_bdevs); @@ -1307,12 +1309,11 @@ struct gendisk *__blk_alloc_disk(int node, struct lock_class_key *lkclass) if (!q) return NULL; - disk = __alloc_disk_node(node, lkclass); + disk = __alloc_disk_node(q, node, lkclass); if (!disk) { blk_cleanup_queue(q); return NULL; } - disk->queue = q; return disk; } EXPORT_SYMBOL(__blk_alloc_disk); |