diff options
Diffstat (limited to 'fs/btrfs/file-item.c')
| -rw-r--r-- | fs/btrfs/file-item.c | 32 |
1 files changed, 2 insertions, 30 deletions
diff --git a/fs/btrfs/file-item.c b/fs/btrfs/file-item.c index 90d4ee52cd45..bb22a4435b2d 100644 --- a/fs/btrfs/file-item.c +++ b/fs/btrfs/file-item.c @@ -664,10 +664,6 @@ int btrfs_csum_file_blocks(struct btrfs_trans_handle *trans, struct btrfs_sector_sum *sector_sum; u32 nritems; u32 ins_size; - char *eb_map; - char *eb_token; - unsigned long map_len; - unsigned long map_start; u16 csum_size = btrfs_super_csum_size(&root->fs_info->super_copy); @@ -814,30 +810,9 @@ found: item_end = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_csum_item); item_end = (struct btrfs_csum_item *)((unsigned char *)item_end + btrfs_item_size_nr(leaf, path->slots[0])); - eb_token = NULL; next_sector: - if (!eb_token || - (unsigned long)item + csum_size >= map_start + map_len) { - int err; - - if (eb_token) - unmap_extent_buffer(leaf, eb_token, KM_USER1); - eb_token = NULL; - err = map_private_extent_buffer(leaf, (unsigned long)item, - csum_size, - &eb_token, &eb_map, - &map_start, &map_len, KM_USER1); - if (err) - eb_token = NULL; - } - if (eb_token) { - memcpy(eb_token + ((unsigned long)item & (PAGE_CACHE_SIZE - 1)), - §or_sum->sum, csum_size); - } else { - write_extent_buffer(leaf, §or_sum->sum, - (unsigned long)item, csum_size); - } + write_extent_buffer(leaf, §or_sum->sum, (unsigned long)item, csum_size); total_bytes += root->sectorsize; sector_sum++; @@ -850,10 +825,7 @@ next_sector: goto next_sector; } } - if (eb_token) { - unmap_extent_buffer(leaf, eb_token, KM_USER1); - eb_token = NULL; - } + btrfs_mark_buffer_dirty(path->nodes[0]); if (total_bytes < sums->len) { btrfs_release_path(path); |