block: add a sb_open_mode helper
authorChristoph Hellwig <hch@lst.de>
Thu, 8 Jun 2023 11:02:44 +0000 (13:02 +0200)
committerJens Axboe <axboe@kernel.dk>
Mon, 12 Jun 2023 14:04:04 +0000 (08:04 -0600)
commit3f0b3e785e8b54a40c530fa77b7ab37bec925c57
tree94db68e2f6bd9e2f9270bbdd2481c8f43f64a8f1
parent2736e8eeb0ccdc71d1f4256c9c9a28f58cc43307
block: add a sb_open_mode helper

Add a helper to return the open flags for blkdev_get_by* for passed in
super block flags instead of open coding the logic in many places.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Acked-by: Christian Brauner <brauner@kernel.org>
Link: https://lore.kernel.org/r/20230608110258.189493-17-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
fs/btrfs/super.c
fs/nilfs2/super.c
fs/super.c
include/linux/blkdev.h