]> www.infradead.org Git - users/jedix/linux-maple.git/commit
virtio_blk: Fix default logical block size fallback
authorJohn Garry <john.g.garry@oracle.com>
Mon, 8 Jul 2024 09:16:47 +0000 (09:16 +0000)
committerJens Axboe <axboe@kernel.dk>
Tue, 9 Jul 2024 06:00:17 +0000 (00:00 -0600)
commit4ff3d01275dee10ed1f40c314ba5133e3c7a6e1b
tree763eee89e57308d6c7248720846d35c68941d315
parent6b43537faef35eb3d2657e2a1ec668a31b5ba5d1
virtio_blk: Fix default logical block size fallback

If we fail to read a logical block size in virtblk_read_limits() ->
virtio_cread_feature(), then we default to what is in
lim->logical_block_size, but that would be 0.

We can deal with lim->logical_block_size = 0 later in the
blk_mq_alloc_disk(), but the code in virtblk_read_limits() needs a proper
default, so give a default of SECTOR_SIZE.

Fixes: 27e32cd23fed ("block: pass a queue_limits argument to blk_mq_alloc_disk")
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: John Garry <john.g.garry@oracle.com>
Link: https://lore.kernel.org/r/20240708091651.177447-2-john.g.garry@oracle.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
drivers/block/virtio_blk.c