leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Btrfs: find_next_devid: root -> fs_info

Browse Source 
find_next_devid() knows which root to search, so it should take an
fs_info instead of an arbitrary root.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
This commit is contained in:
Ilya Dryomov 2013-08-12 14:33:01 +03:00 committed by Chris Mason
parent bbb651e469
commit 53f10659f9
1 changed files with 8 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
fs/btrfs/volumes.c
View File

@ -1308,15 +1308,14 @@ static u64 find_next_chunk(struct btrfs_fs_info *fs_info)
return ret; return ret;
} }
static noinline int find_next_devid(struct btrfs_root *root, u64 *objectid) static noinline int find_next_devid(struct btrfs_fs_info *fs_info,
u64 *devid_ret)
{ {
int ret; int ret;
struct btrfs_key key; struct btrfs_key key;
struct btrfs_key found_key; struct btrfs_key found_key;
struct btrfs_path *path; struct btrfs_path *path;
root = root->fs_info->chunk_root;
path = btrfs_alloc_path(); path = btrfs_alloc_path();
if (!path) if (!path)
return -ENOMEM; return -ENOMEM;
@ -1325,20 +1324,21 @@ static noinline int find_next_devid(struct btrfs_root *root, u64 *objectid)
key.type = BTRFS_DEV_ITEM_KEY; key.type = BTRFS_DEV_ITEM_KEY;
key.offset = (u64)-1; key.offset = (u64)-1;
ret = btrfs_search_slot(NULL, root, &key, path, 0, 0); ret = btrfs_search_slot(NULL, fs_info->chunk_root, &key, path, 0, 0);
if (ret < 0) if (ret < 0)
goto error; goto error;
BUG_ON(ret == 0); /* Corruption */ BUG_ON(ret == 0); /* Corruption */
ret = btrfs_previous_item(root, path, BTRFS_DEV_ITEMS_OBJECTID, ret = btrfs_previous_item(fs_info->chunk_root, path,
BTRFS_DEV_ITEMS_OBJECTID,
BTRFS_DEV_ITEM_KEY); BTRFS_DEV_ITEM_KEY);
if (ret) { if (ret) {
*objectid = 1; *devid_ret = 1;
} else { } else {
btrfs_item_key_to_cpu(path->nodes[0], &found_key, btrfs_item_key_to_cpu(path->nodes[0], &found_key,
path->slots[0]); path->slots[0]);
*objectid = found_key.offset + 1; *devid_ret = found_key.offset + 1;
} }
ret = 0; ret = 0;
error: error:
@ -1974,7 +1974,7 @@ int btrfs_init_new_device(struct btrfs_root *root, char *device_path)
} }
rcu_assign_pointer(device->name, name); rcu_assign_pointer(device->name, name);
ret = find_next_devid(root, &device->devid); ret = find_next_devid(root->fs_info, &device->devid);
if (ret) { if (ret) {
rcu_string_free(device->name); rcu_string_free(device->name);
kfree(device); kfree(device);