xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Btrfs: add owner and type fields to the extents aand block headers

Browse Source 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason
2007-04-20 20:23:12 -04:00
committed by David Woodhouse
parent 33ade1f826
commit 4d77567309
5 changed files with 65 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
fs/btrfs/extent-tree.c
View File

@@ -460,9 +460,10 @@ error:
*
* returns 0 if everything worked, non-zero otherwise.
*/
int btrfs_alloc_extent(struct btrfs_trans_handle *trans, struct btrfs_root
*root, u64 num_blocks, u64 search_start, u64
search_end, struct btrfs_key *ins)
int btrfs_alloc_extent(struct btrfs_trans_handle *trans,
struct btrfs_root *root, u64 owner,
u8 type, u64 num_blocks, u64 search_start,
u64 search_end, struct btrfs_key *ins)
{
int ret;
int pending_ret;
@@ -472,6 +473,8 @@ int btrfs_alloc_extent(struct btrfs_trans_handle *trans, struct btrfs_root
struct btrfs_extent_item extent_item;
btrfs_set_extent_refs(&extent_item, 1);
btrfs_set_extent_owner(&extent_item, owner);
btrfs_set_extent_type(&extent_item, type);
if (root == extent_root) {
BUG_ON(extent_root->fs_info->current_insert.offset == 0);
@@ -508,13 +511,15 @@ int btrfs_alloc_extent(struct btrfs_trans_handle *trans, struct btrfs_root
* returns the tree buffer or NULL.
*/
struct buffer_head *btrfs_alloc_free_block(struct btrfs_trans_handle *trans,
struct btrfs_root *root)
struct btrfs_root *root)
{
struct btrfs_key ins;
int ret;
struct buffer_head *buf;
ret = btrfs_alloc_extent(trans, root, 1, 0, (unsigned long)-1, &ins);
ret = btrfs_alloc_extent(trans, root, root->root_key.objectid,
BTRFS_EXTENT_TREE,
1, 0, (unsigned long)-1, &ins);
if (ret) {
BUG();
return NULL;