diff options
Diffstat (limited to 'fs/btrfs/file-item.c')
| -rw-r--r-- | fs/btrfs/file-item.c | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/fs/btrfs/file-item.c b/fs/btrfs/file-item.c index 0cb4a9921d21..782bbf081c26 100644 --- a/fs/btrfs/file-item.c +++ b/fs/btrfs/file-item.c @@ -733,8 +733,6 @@ blk_status_t btrfs_csum_one_bio(struct btrfs_bio *bbio) struct bio_vec bvec; int index; unsigned int blockcount; - unsigned long total_bytes = 0; - unsigned long this_sum_bytes = 0; int i; unsigned nofs_flag; @@ -776,34 +774,6 @@ blk_status_t btrfs_csum_one_bio(struct btrfs_bio *bbio) - 1); for (i = 0; i < blockcount; i++) { - if (!(bio->bi_opf & REQ_BTRFS_ONE_ORDERED) && - !in_range(offset, ordered->file_offset, - ordered->num_bytes)) { - unsigned long bytes_left; - - sums->len = this_sum_bytes; - this_sum_bytes = 0; - btrfs_add_ordered_sum(ordered, sums); - btrfs_put_ordered_extent(ordered); - - bytes_left = bio->bi_iter.bi_size - total_bytes; - - nofs_flag = memalloc_nofs_save(); - sums = kvzalloc(btrfs_ordered_sum_size(fs_info, - bytes_left), GFP_KERNEL); - memalloc_nofs_restore(nofs_flag); - if (!sums) - return BLK_STS_RESOURCE; - - sums->len = bytes_left; - ordered = btrfs_lookup_ordered_extent(inode, - offset); - ASSERT(ordered); /* Logic error */ - sums->logical = (bio->bi_iter.bi_sector << SECTOR_SHIFT) - + total_bytes; - index = 0; - } - data = bvec_kmap_local(&bvec); crypto_shash_digest(shash, data + (i * fs_info->sectorsize), @@ -812,18 +782,10 @@ blk_status_t btrfs_csum_one_bio(struct btrfs_bio *bbio) kunmap_local(data); index += fs_info->csum_size; offset += fs_info->sectorsize; - this_sum_bytes += fs_info->sectorsize; - total_bytes += fs_info->sectorsize; } } - this_sum_bytes = 0; - /* - * The ->sums assignment is for zoned writes, where a bio never spans - * ordered extents and is only done unconditionally because that's cheaper - * than a branch. - */ bbio->sums = sums; btrfs_add_ordered_sum(ordered, sums); btrfs_put_ordered_extent(ordered); |