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| author | Yan Zheng | 2008-10-09 17:46:29 +0200 |
|---|---|---|
| committer | Chris Mason | 2008-10-09 17:46:29 +0200 |
| commit | a76a3cd40c1127ca199d4f7f37bf0d541bf44eb2 (patch) | |
| tree | a91e91d9f67ce8bd314cebdacc458315d3e54275 /fs/btrfs/file.c | |
| parent | Btrfs: cast bio->bi_sector to a u64 before shifting (diff) | |
| download | kernel-qcow2-linux-a76a3cd40c1127ca199d4f7f37bf0d541bf44eb2.tar.gz kernel-qcow2-linux-a76a3cd40c1127ca199d4f7f37bf0d541bf44eb2.tar.xz kernel-qcow2-linux-a76a3cd40c1127ca199d4f7f37bf0d541bf44eb2.zip | |
Btrfs: Count space allocated to file in bytes
This patch makes btrfs count space allocated to file in bytes instead
of 512 byte sectors.
Everything else in btrfs uses a byte count instead of sector sizes or
blocks sizes, so this fits better.
Signed-off-by: Yan Zheng <zheng.yan@oracle.com>
Diffstat (limited to 'fs/btrfs/file.c')
| -rw-r--r-- | fs/btrfs/file.c | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index a03d1bbb19ad..18dfdf5f91d1 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -193,7 +193,7 @@ static int noinline insert_inline_extent(struct btrfs_trans_handle *trans, leaf = path->nodes[0]; ei = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_file_extent_item); - inode->i_blocks += (offset + size - found_end) >> 9; + inode_add_bytes(inode, offset + size - found_end); } if (found_end < offset) { ptr = btrfs_file_extent_inline_start(ei) + found_size; @@ -203,7 +203,7 @@ static int noinline insert_inline_extent(struct btrfs_trans_handle *trans, insert: btrfs_release_path(root, path); datasize = offset + size - key.offset; - inode->i_blocks += datasize >> 9; + inode_add_bytes(inode, datasize); datasize = btrfs_file_extent_calc_inline_size(datasize); ret = btrfs_insert_empty_item(trans, root, path, &key, datasize); @@ -713,7 +713,8 @@ next_slot: extent); if (btrfs_file_extent_disk_bytenr(leaf, extent)) { - dec_i_blocks(inode, old_num - new_num); + inode_sub_bytes(inode, old_num - + new_num); } btrfs_set_file_extent_num_bytes(leaf, extent, new_num); @@ -724,14 +725,17 @@ next_slot: u32 new_size; new_size = btrfs_file_extent_calc_inline_size( inline_limit - key.offset); - dec_i_blocks(inode, (extent_end - key.offset) - - (inline_limit - key.offset)); + inode_sub_bytes(inode, extent_end - + inline_limit); btrfs_truncate_item(trans, root, path, new_size, 1); } } /* delete the entire extent */ if (!keep) { + if (found_inline) + inode_sub_bytes(inode, extent_end - + key.offset); ret = btrfs_del_item(trans, root, path); /* TODO update progress marker and return */ BUG_ON(ret); @@ -743,8 +747,7 @@ next_slot: u32 new_size; new_size = btrfs_file_extent_calc_inline_size( extent_end - end); - dec_i_blocks(inode, (extent_end - key.offset) - - (extent_end - end)); + inode_sub_bytes(inode, end - key.offset); ret = btrfs_truncate_item(trans, root, path, new_size, 0); BUG_ON(ret); @@ -791,9 +794,7 @@ next_slot: } btrfs_release_path(root, path); if (disk_bytenr != 0) { - inode->i_blocks += - btrfs_file_extent_num_bytes(leaf, - extent) >> 9; + inode_add_bytes(inode, extent_end - end); } } @@ -801,7 +802,8 @@ next_slot: u64 disk_bytenr = le64_to_cpu(old.disk_bytenr); if (disk_bytenr != 0) { - dec_i_blocks(inode, le64_to_cpu(old.num_bytes)); + inode_sub_bytes(inode, + le64_to_cpu(old.num_bytes)); ret = btrfs_free_extent(trans, root, disk_bytenr, le64_to_cpu(old.disk_num_bytes), |