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| author | Christoph Hellwig <hch@lst.de> | 2023-06-08 13:02:36 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2023-06-12 08:04:04 -0600 |
| commit | d32e2bf83791727a84ad5d3e3d713e82f9adbe30 (patch) | |
| tree | 6aaaf62734fcc70cbb04543bc161c56ab9e2f2b5 /drivers/block/z2ram.c | |
| parent | 444aa2c58cb3b6cfe3b7cc7db6c294d73393a894 (diff) | |
| download | lwn-d32e2bf83791727a84ad5d3e3d713e82f9adbe30.tar.gz lwn-d32e2bf83791727a84ad5d3e3d713e82f9adbe30.zip | |
block: pass a gendisk to ->open
->open is only called on the whole device. Make that explicit by
passing a gendisk instead of the block_device.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Acked-by: Christian Brauner <brauner@kernel.org>
Acked-by: Jack Wang <jinpu.wang@ionos.com> [rnbd]
Link: https://lore.kernel.org/r/20230608110258.189493-9-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/block/z2ram.c')
| -rw-r--r-- | drivers/block/z2ram.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/block/z2ram.c b/drivers/block/z2ram.c index c1e85f356e4d..a5575e012e29 100644 --- a/drivers/block/z2ram.c +++ b/drivers/block/z2ram.c @@ -140,16 +140,14 @@ static void get_chipram(void) return; } -static int z2_open(struct block_device *bdev, fmode_t mode) +static int z2_open(struct gendisk *disk, fmode_t mode) { - int device; + int device = disk->first_minor; int max_z2_map = (Z2RAM_SIZE / Z2RAM_CHUNKSIZE) * sizeof(z2ram_map[0]); int max_chip_map = (amiga_chip_size / Z2RAM_CHUNKSIZE) * sizeof(z2ram_map[0]); int rc = -ENOMEM; - device = MINOR(bdev->bd_dev); - mutex_lock(&z2ram_mutex); if (current_device != -1 && current_device != device) { rc = -EBUSY; |