diff options
Diffstat (limited to 'fs/btrfs/inode.c')
| -rw-r--r-- | fs/btrfs/inode.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 7855aac3670..bfd59bcc50d 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -699,6 +699,7 @@ retry: em->block_start = ins.objectid; em->block_len = ins.offset; + em->orig_block_len = ins.offset; em->bdev = root->fs_info->fs_devices->latest_bdev; em->compress_type = async_extent->compress_type; set_bit(EXTENT_FLAG_PINNED, &em->flags); @@ -886,6 +887,7 @@ static noinline int __cow_file_range(struct btrfs_trans_handle *trans, em->block_start = ins.objectid; em->block_len = ins.offset; + em->orig_block_len = ins.offset; em->bdev = root->fs_info->fs_devices->latest_bdev; set_bit(EXTENT_FLAG_PINNED, &em->flags); @@ -1143,6 +1145,7 @@ static noinline int run_delalloc_nocow(struct inode *inode, u64 extent_offset; u64 disk_bytenr; u64 num_bytes; + u64 disk_num_bytes; int extent_type; int ret, err; int type; @@ -1245,6 +1248,8 @@ next_slot: extent_offset = btrfs_file_extent_offset(leaf, fi); extent_end = found_key.offset + btrfs_file_extent_num_bytes(leaf, fi); + disk_num_bytes = + btrfs_file_extent_disk_num_bytes(leaf, fi); if (extent_end <= start) { path->slots[0]++; goto next_slot; @@ -1319,6 +1324,7 @@ out_check: em->len = num_bytes; em->block_len = num_bytes; em->block_start = disk_bytenr; + em->orig_block_len = disk_num_bytes; em->bdev = root->fs_info->fs_devices->latest_bdev; set_bit(EXTENT_FLAG_PINNED, &em->flags); set_bit(EXTENT_FLAG_PREALLOC, &em->flags); @@ -3696,6 +3702,7 @@ int btrfs_cont_expand(struct inode *inode, loff_t oldsize, loff_t size) hole_em->block_start = EXTENT_MAP_HOLE; hole_em->block_len = 0; + hole_em->orig_block_len = 0; hole_em->bdev = root->fs_info->fs_devices->latest_bdev; hole_em->compress_type = BTRFS_COMPRESS_NONE; hole_em->generation = trans->transid; @@ -5374,6 +5381,8 @@ again: em->len = extent_end - extent_start; em->orig_start = extent_start - btrfs_file_extent_offset(leaf, item); + em->orig_block_len = btrfs_file_extent_disk_num_bytes(leaf, + item); bytenr = btrfs_file_extent_disk_bytenr(leaf, item); if (bytenr == 0) { em->block_start = EXTENT_MAP_HOLE; @@ -5383,8 +5392,7 @@ again: set_bit(EXTENT_FLAG_COMPRESSED, &em->flags); em->compress_type = compress_type; em->block_start = bytenr; - em->block_len = btrfs_file_extent_disk_num_bytes(leaf, - item); + em->block_len = em->orig_block_len; } else { bytenr += btrfs_file_extent_offset(leaf, item); em->block_start = bytenr; @@ -5414,6 +5422,7 @@ again: em->start = extent_start + extent_offset; em->len = (copy_size + root->sectorsize - 1) & ~((u64)root->sectorsize - 1); + em->orig_block_len = em->len; em->orig_start = EXTENT_MAP_INLINE; if (compress_type) { set_bit(EXTENT_FLAG_COMPRESSED, &em->flags); @@ -5721,6 +5730,7 @@ static struct extent_map *btrfs_new_extent_direct(struct inode *inode, em->block_start = ins.objectid; em->block_len = ins.offset; + em->orig_block_len = ins.offset; em->bdev = root->fs_info->fs_devices->latest_bdev; /* @@ -5914,7 +5924,7 @@ static int lock_extent_direct(struct inode *inode, u64 lockstart, u64 lockend, static struct extent_map *create_pinned_em(struct inode *inode, u64 start, u64 len, u64 orig_start, u64 block_start, u64 block_len, - int type) + u64 orig_block_len, int type) { struct extent_map_tree *em_tree; struct extent_map *em; @@ -5932,6 +5942,7 @@ static struct extent_map *create_pinned_em(struct inode *inode, u64 start, em->block_len = block_len; em->block_start = block_start; em->bdev = root->fs_info->fs_devices->latest_bdev; + em->orig_block_len = orig_block_len; set_bit(EXTENT_FLAG_PINNED, &em->flags); if (type == BTRFS_ORDERED_PREALLOC) set_bit(EXTENT_FLAG_PREALLOC, &em->flags); @@ -6068,12 +6079,14 @@ static int btrfs_get_blocks_direct(struct inode *inode, sector_t iblock, if (can_nocow_odirect(trans, inode, start, len) == 1) { u64 orig_start = em->start; + u64 orig_block_len = em->orig_block_len; if (type == BTRFS_ORDERED_PREALLOC) { free_extent_map(em); em = create_pinned_em(inode, start, len, orig_start, - block_start, len, type); + block_start, len, + orig_block_len, type); if (IS_ERR(em)) { btrfs_end_transaction(trans, root); goto unlock_err; @@ -7771,6 +7784,7 @@ static int __btrfs_prealloc_file_range(struct inode *inode, int mode, em->len = ins.offset; em->block_start = ins.objectid; em->block_len = ins.offset; + em->orig_block_len = ins.offset; em->bdev = root->fs_info->fs_devices->latest_bdev; set_bit(EXTENT_FLAG_PREALLOC, &em->flags); em->generation = trans->transid; |