diff options
| author |   Christoph Hellwig <hch@lst.de> | 2020-09-03 07:40:57 +0200 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2020-09-25 08:18:57 -0600 |
| commit | fa01b1e9733fd59ecb8b5b6d85dfb481d2025fbf (patch) | |
| tree | f627199fb47da3dc4fa57dcbf305fff12997a918 /block/ioctl.c | |
| parent | Documentation/hdio: fix up obscure bd_contains references (diff) | |
| download | linux-dev-fa01b1e9733fd59ecb8b5b6d85dfb481d2025fbf.tar.xz linux-dev-fa01b1e9733fd59ecb8b5b6d85dfb481d2025fbf.zip | |
block: add a bdev_is_partition helper
Add a littler helper to make the somewhat arcane bd_contains checks a
little more obvious.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/ioctl.c')
| -rw-r--r-- | block/ioctl.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/block/ioctl.c b/block/ioctl.c index 06262c28f0c6..3fbc382eb926 100644 --- a/block/ioctl.c +++ b/block/ioctl.c @@ -23,7 +23,7 @@ static int blkpg_do_ioctl(struct block_device *bdev, return -EACCES; if (copy_from_user(&p, upart, sizeof(struct blkpg_partition))) return -EFAULT; - if (bdev != bdev->bd_contains) + if (bdev_is_partition(bdev)) return -EINVAL; if (p.pno <= 0) @@ -94,7 +94,7 @@ static int blkdev_reread_part(struct block_device *bdev) { int ret; - if (!disk_part_scan_enabled(bdev->bd_disk) || bdev != bdev->bd_contains) + if (!disk_part_scan_enabled(bdev->bd_disk) || bdev_is_partition(bdev)) return -EINVAL; if (!capable(CAP_SYS_ADMIN)) return -EACCES; |