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/compat_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/compat_ioctl.c')
| -rw-r--r-- | block/compat_ioctl.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/block/compat_ioctl.c b/block/compat_ioctl.c index 556826ac7cb4..570021a0dc1c 100644 --- a/block/compat_ioctl.c +++ b/block/compat_ioctl.c @@ -661,7 +661,6 @@ long compat_blkdev_ioctl(struct file *file, unsigned cmd, unsigned long arg) struct block_device *bdev = inode->i_bdev; struct gendisk *disk = bdev->bd_disk; fmode_t mode = file->f_mode; - struct backing_dev_info *bdi; loff_t size; unsigned int max_sectors; @@ -708,9 +707,8 @@ long compat_blkdev_ioctl(struct file *file, unsigned cmd, unsigned long arg) case BLKFRAGET: if (!arg) return -EINVAL; - bdi = blk_get_backing_dev_info(bdev); return compat_put_long(arg, - (bdi->ra_pages * PAGE_SIZE) / 512); + (bdev->bd_bdi->ra_pages * PAGE_SIZE) / 512); case BLKROGET: /* compatible */ return compat_put_int(arg, bdev_read_only(bdev) != 0); case BLKBSZGET_32: /* get the logical block size (cf. BLKSSZGET) */ @@ -728,8 +726,7 @@ long compat_blkdev_ioctl(struct file *file, unsigned cmd, unsigned long arg) 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 BLKGETSIZE: size = i_size_read(bdev->bd_inode); |