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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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6
fs/btrfs/inode.c
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@@ -4179,7 +4179,7 @@ int btrfs_unlink_subvol(struct btrfs_trans_handle *trans,
}
btrfs_release_path(path);
ret = btrfs_del_root_ref(trans, root->fs_info->tree_root,
ret = btrfs_del_root_ref(trans, root->fs_info,
objectid, root->root_key.objectid,
dir_ino, &index, name, name_len);
if (ret < 0) {
@@ -6296,7 +6296,7 @@ int btrfs_add_link(struct btrfs_trans_handle *trans,
}
if (unlikely(ino == BTRFS_FIRST_FREE_OBJECTID)) {
ret = btrfs_add_root_ref(trans, root->fs_info->tree_root,
ret = btrfs_add_root_ref(trans, root->fs_info,
key.objectid, root->root_key.objectid,
parent_ino, index, name, name_len);
} else if (add_backref) {
@@ -6332,7 +6332,7 @@ fail_dir_item:
if (unlikely(ino == BTRFS_FIRST_FREE_OBJECTID)) {
u64 local_index;
int err;
err = btrfs_del_root_ref(trans, root->fs_info->tree_root,
err = btrfs_del_root_ref(trans, root->fs_info,
key.objectid, root->root_key.objectid,
parent_ino, &local_index, name, name_len);