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block: Get rid of blk_get_backing_dev_info()

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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>
This commit is contained in:
Jan Kara
2017-02-02 15:56:53 +01:00
committed by Jens Axboe
parent b1d2dc5659
commit efa7c9f97e
9 changed files with 8 additions and 31 deletions
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3
fs/xfs/xfs_buf.c
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@@ -757,7 +757,7 @@ xfs_buf_readahead_map(
int nmaps,
const struct xfs_buf_ops *ops)
{
if (bdi_read_congested(target->bt_bdi))
if (bdi_read_congested(target->bt_bdev->bd_bdi))
return;
xfs_buf_read_map(target, map, nmaps,
@@ -1790,7 +1790,6 @@ xfs_alloc_buftarg(
btp->bt_mount = mp;
btp->bt_dev = bdev->bd_dev;
btp->bt_bdev = bdev;
btp->bt_bdi = blk_get_backing_dev_info(bdev);
if (xfs_setsize_buftarg_early(btp, bdev))
goto error;