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btrfs: Remove fs_info argument from btrfs_uuid_tree_add

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This function always takes a transaction handle which contains a
reference to the fs_info. Use that and remove the extra argument.

Signed-off-by: Lu Fengqi <lufq.fnst@cn.fujitsu.com>
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Lu Fengqi 2018-05-29 15:01:53 +08:00 committed by David Sterba
parent f9ddfd0592
commit cdb345a877
5 changed files with 10 additions and 13 deletions
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3
fs/btrfs/ctree.h
View file

@ -3040,8 +3040,7 @@ void btrfs_update_root_times(struct btrfs_trans_handle *trans,
struct btrfs_root *root);
/* uuid-tree.c */
int btrfs_uuid_tree_add(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info, u8 *uuid, u8 type,
int btrfs_uuid_tree_add(struct btrfs_trans_handle *trans, u8 *uuid, u8 type,
u64 subid);
int btrfs_uuid_tree_rem(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info, u8 *uuid, u8 type,

4
fs/btrfs/ioctl.c
View file

@ -718,7 +718,7 @@ static noinline int create_subvol(struct inode *dir,
btrfs_ino(BTRFS_I(dir)), index, name, namelen);
BUG_ON(ret);
ret = btrfs_uuid_tree_add(trans, fs_info, root_item->uuid,
ret = btrfs_uuid_tree_add(trans, root_item->uuid,
BTRFS_UUID_KEY_SUBVOL, objectid);
if (ret)
btrfs_abort_transaction(trans, ret);
@ -5043,7 +5043,7 @@ static long _btrfs_ioctl_set_received_subvol(struct file *file,
goto out;
}
if (received_uuid_changed && !btrfs_is_empty_uuid(sa->uuid)) {
ret = btrfs_uuid_tree_add(trans, fs_info, sa->uuid,
ret = btrfs_uuid_tree_add(trans, sa->uuid,
BTRFS_UUID_KEY_RECEIVED_SUBVOL,
root->root_key.objectid);
if (ret < 0 && ret != -EEXIST) {

7
fs/btrfs/transaction.c
View file

@ -1634,15 +1634,14 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans,
btrfs_abort_transaction(trans, ret);
goto fail;
}
ret = btrfs_uuid_tree_add(trans, fs_info, new_uuid.b,
BTRFS_UUID_KEY_SUBVOL, objectid);
ret = btrfs_uuid_tree_add(trans, new_uuid.b, BTRFS_UUID_KEY_SUBVOL,
objectid);
if (ret) {
btrfs_abort_transaction(trans, ret);
goto fail;
}
if (!btrfs_is_empty_uuid(new_root_item->received_uuid)) {
ret = btrfs_uuid_tree_add(trans, fs_info,
new_root_item->received_uuid,
ret = btrfs_uuid_tree_add(trans, new_root_item->received_uuid,
BTRFS_UUID_KEY_RECEIVED_SUBVOL,
objectid);
if (ret && ret != -EEXIST) {

4
fs/btrfs/uuid-tree.c
View file

@ -79,10 +79,10 @@ static int btrfs_uuid_tree_lookup(struct btrfs_root *uuid_root, u8 *uuid,
return ret;
}
int btrfs_uuid_tree_add(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info, u8 *uuid, u8 type,
int btrfs_uuid_tree_add(struct btrfs_trans_handle *trans, u8 *uuid, u8 type,
u64 subid_cpu)
{
struct btrfs_fs_info *fs_info = trans->fs_info;
struct btrfs_root *uuid_root = fs_info->uuid_root;
int ret;
struct btrfs_path *path = NULL;

5
fs/btrfs/volumes.c
View file

@ -4209,8 +4209,7 @@ static int btrfs_uuid_scan_kthread(void *data)
}
update_tree:
if (!btrfs_is_empty_uuid(root_item.uuid)) {
ret = btrfs_uuid_tree_add(trans, fs_info,
root_item.uuid,
ret = btrfs_uuid_tree_add(trans, root_item.uuid,
BTRFS_UUID_KEY_SUBVOL,
key.objectid);
if (ret < 0) {
@ -4221,7 +4220,7 @@ static int btrfs_uuid_scan_kthread(void *data)
}
if (!btrfs_is_empty_uuid(root_item.received_uuid)) {
ret = btrfs_uuid_tree_add(trans, fs_info,
ret = btrfs_uuid_tree_add(trans,
root_item.received_uuid,
BTRFS_UUID_KEY_RECEIVED_SUBVOL,
key.objectid);