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>

1 files changed, 3 insertions, 3 deletions

diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index 88bbfd959f18..8df719a73d82 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -113,7 +113,7 @@ int btrfs_add_log_tree(struct btrfs_trans_handle *trans,
         inode_item->generation = cpu_to_le64(1);
         inode_item->size = cpu_to_le64(3);
         inode_item->nlink = cpu_to_le32(1);
-        inode_item->nblocks = cpu_to_le64(1);
+        inode_item->nbytes = cpu_to_le64(root->leafsize);
         inode_item->mode = cpu_to_le32(S_IFDIR | 0755);
 
         btrfs_set_root_bytenr(&root_item, leaf->start);
@@ -598,8 +598,8 @@ static noinline int replay_one_extent(struct btrfs_trans_handle *trans,
         ret = overwrite_item(trans, root, path, eb, slot, key);
         BUG_ON(ret);
 
-        /* btrfs_drop_extents changes i_blocks, update it here */
-        inode->i_blocks += (extent_end - start) >> 9;
+        /* btrfs_drop_extents changes i_bytes & i_blocks, update it here */
+        inode_add_bytes(inode, extent_end - start);
         btrfs_update_inode(trans, root, inode);
 out:
         if (inode)