The struct block_device for the whole disk will not be freed while the disk in use, so don't bother to grab a reference to it. Signed-off-by: Christoph Hellwig <hch@xxxxxx> --- fs/btrfs/zoned.c | 11 +++-------- 1 file changed, 3 insertions(+), 8 deletions(-) diff --git a/fs/btrfs/zoned.c b/fs/btrfs/zoned.c index 297c0b1c0634..21c5654967b0 100644 --- a/fs/btrfs/zoned.c +++ b/fs/btrfs/zoned.c @@ -1362,20 +1362,16 @@ void btrfs_rewrite_logical_zoned(struct btrfs_ordered_extent *ordered) struct extent_map_tree *em_tree; struct extent_map *em; struct btrfs_ordered_sum *sum; - struct block_device *bdev; u64 orig_logical = ordered->disk_bytenr; u64 *logical = NULL; int nr, stripe_len; /* Zoned devices should not have partitions. So, we can assume it is 0 */ ASSERT(ordered->partno == 0); - bdev = bdgrab(ordered->disk->part0); - if (WARN_ON(!bdev)) - return; - if (WARN_ON(btrfs_rmap_block(fs_info, orig_logical, bdev, - ordered->physical, &logical, &nr, - &stripe_len))) + if (WARN_ON(btrfs_rmap_block(fs_info, orig_logical, + ordered->disk->part0, ordered->physical, &logical, + &nr, &stripe_len))) goto out; WARN_ON(nr != 1); @@ -1402,7 +1398,6 @@ void btrfs_rewrite_logical_zoned(struct btrfs_ordered_extent *ordered) out: kfree(logical); - bdput(bdev); } bool btrfs_check_meta_write_pointer(struct btrfs_fs_info *fs_info, -- 2.30.2
