diff options
| author |   Christoph Hellwig <hch@lst.de> | 2022-03-30 07:29:06 +0200 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2022-04-18 06:54:09 -0600 |
| commit | dbdc1be32591af023db2812706f01e6cd2f42bfc (patch) | |
| tree | ecdb59b4ebcdc9bb0f1eea5e086aa9ea0e3c733f /drivers/block/nbd.c | |
| parent | zram: cleanup zram_remove (diff) | |
| download | linux-dev-dbdc1be32591af023db2812706f01e6cd2f42bfc.tar.xz linux-dev-dbdc1be32591af023db2812706f01e6cd2f42bfc.zip | |
block: add a disk_openers helper
Add a helper that returns the openers for a given gendisk to avoid having
drivers poke into disk->part0 to get at this information in a somewhat
cumbersome way.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20220330052917.2566582-5-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/block/nbd.c')
| -rw-r--r-- | drivers/block/nbd.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index dab24c58d5cc..526389351784 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -1219,7 +1219,7 @@ static int nbd_reconnect_socket(struct nbd_device *nbd, unsigned long arg) static void nbd_bdev_reset(struct nbd_device *nbd) { - if (nbd->disk->part0->bd_openers > 1) + if (disk_openers(nbd->disk) > 1) return; set_capacity(nbd->disk, 0); } @@ -1576,7 +1576,7 @@ static void nbd_release(struct gendisk *disk, fmode_t mode) struct nbd_device *nbd = disk->private_data; if (test_bit(NBD_RT_DISCONNECT_ON_CLOSE, &nbd->config->runtime_flags) && - disk->part0->bd_openers == 0) + disk_openers(disk) == 0) nbd_disconnect_and_put(nbd); nbd_config_put(nbd); |