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btrfs: call functions that always use the same root with fs_info instead

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There are many functions that are always called with the same root
argument.  Rather than passing the same root every time, we can
pass an fs_info pointer instead and have the function get the root
pointer itself.

Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Jeff Mahoney
2016-06-21 21:16:51 -04:00
committed by David Sterba
parent 5b4aacefb8
commit 6bccf3ab1e
14 changed files with 115 additions and 102 deletions
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9
fs/btrfs/root-tree.c
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@@ -216,8 +216,9 @@ int btrfs_insert_root(struct btrfs_trans_handle *trans, struct btrfs_root *root,
return btrfs_insert_item(trans, root, key, item, sizeof(*item));
}
int btrfs_find_orphan_roots(struct btrfs_root *tree_root)
int btrfs_find_orphan_roots(struct btrfs_fs_info *fs_info)
{
struct btrfs_root *tree_root = fs_info->tree_root;
struct extent_buffer *leaf;
struct btrfs_path *path;
struct btrfs_key key;
@@ -358,11 +359,12 @@ out:
}
int btrfs_del_root_ref(struct btrfs_trans_handle *trans,
struct btrfs_root *tree_root,
struct btrfs_fs_info *fs_info,
u64 root_id, u64 ref_id, u64 dirid, u64 *sequence,
const char *name, int name_len)
{
struct btrfs_root *tree_root = fs_info->tree_root;
struct btrfs_path *path;
struct btrfs_root_ref *ref;
struct extent_buffer *leaf;
@@ -429,10 +431,11 @@ out:
* Will return 0, -ENOMEM, or anything from the CoW path
*/
int btrfs_add_root_ref(struct btrfs_trans_handle *trans,
struct btrfs_root *tree_root,
struct btrfs_fs_info *fs_info,
u64 root_id, u64 ref_id, u64 dirid, u64 sequence,
const char *name, int name_len)
{
struct btrfs_root *tree_root = fs_info->tree_root;
struct btrfs_key key;
int ret;
struct btrfs_path *path;