diff options
| author | Jan Kara <jack@suse.cz> | 2017-02-02 15:56:53 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2017-02-02 16:21:32 +0100 |
| commit | efa7c9f97e3ef624e9a398bf69c15f58eea9f0e8 (patch) | |
| tree | d6f95674556410547789553ce35f64d2897453aa /block/ioctl.c | |
| parent | block: Make blk_get_backing_dev_info() safe without open bdev (diff) | |
| download | linux-efa7c9f97e3ef624e9a398bf69c15f58eea9f0e8.tar.xz linux-efa7c9f97e3ef624e9a398bf69c15f58eea9f0e8.zip | |
block: Get rid of blk_get_backing_dev_info()
blk_get_backing_dev_info() is now a simple dereference. Remove that
function and simplify some code around that.
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'block/ioctl.c')
| -rw-r--r-- | block/ioctl.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/block/ioctl.c b/block/ioctl.c index be7f4de3eb3c..7b88820b93d9 100644 --- a/block/ioctl.c +++ b/block/ioctl.c @@ -505,7 +505,6 @@ static int blkdev_bszset(struct block_device *bdev, fmode_t mode, int blkdev_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd, unsigned long arg) { - struct backing_dev_info *bdi; void __user *argp = (void __user *)arg; loff_t size; unsigned int max_sectors; @@ -532,8 +531,7 @@ int blkdev_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd, case BLKFRAGET: if (!arg) return -EINVAL; - bdi = blk_get_backing_dev_info(bdev); - return put_long(arg, (bdi->ra_pages * PAGE_SIZE) / 512); + return put_long(arg, (bdev->bd_bdi->ra_pages*PAGE_SIZE) / 512); case BLKROGET: return put_int(arg, bdev_read_only(bdev) != 0); case BLKBSZGET: /* get block device soft block size (cf. BLKSSZGET) */ @@ -560,8 +558,7 @@ int blkdev_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd, case BLKFRASET: if(!capable(CAP_SYS_ADMIN)) return -EACCES; - bdi = blk_get_backing_dev_info(bdev); - bdi->ra_pages = (arg * 512) / PAGE_SIZE; + bdev->bd_bdi->ra_pages = (arg * 512) / PAGE_SIZE; return 0; case BLKBSZSET: return blkdev_bszset(bdev, mode, argp); |