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block: replace fmode_t with a block-specific type for block open flags

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The only overlap between the block open flags mapped into the fmode_t and
other uses of fmode_t are FMODE_READ and FMODE_WRITE.  Define a new
blk_mode_t instead for use in blkdev_get_by_{dev,path}, ->open and
->ioctl and stop abusing fmode_t.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Jack Wang <jinpu.wang@ionos.com>		[rnbd]
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Christian Brauner <brauner@kernel.org>
Link: https://lore.kernel.org/r/20230608110258.189493-28-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig
2023-06-08 13:02:55 +02:00
committed by Jens Axboe
parent 5e4ea83467
commit 05bdb99653
82 changed files with 334 additions and 315 deletions
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2
drivers/block/drbd/drbd_nl.c
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@@ -1640,7 +1640,7 @@ static struct block_device *open_backing_dev(struct drbd_device *device,
struct block_device *bdev;
int err = 0;
bdev = blkdev_get_by_path(bdev_path, FMODE_READ | FMODE_WRITE,
bdev = blkdev_get_by_path(bdev_path, BLK_OPEN_READ | BLK_OPEN_WRITE,
claim_ptr, NULL);
if (IS_ERR(bdev)) {
drbd_err(device, "open(\"%s\") failed with %ld\n",