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btrfs: Remove unnecessary variants in relocation.c

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These arguments are not used in functions, remove them for cleanup
and make kernel stack happy.

Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>
This commit is contained in:
Zhaolei 2015-08-06 20:58:11 +08:00 • committed by Chris Mason
parent dc2ee4e244
commit 147d256e09
3 changed files with 7 additions and 11 deletions
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3
fs/btrfs/ctree.h
View file

@ -4185,8 +4185,7 @@ int btrfs_reloc_clone_csums(struct inode *inode, u64 file_pos, u64 len);
int btrfs_reloc_cow_block(struct btrfs_trans_handle *trans, int btrfs_reloc_cow_block(struct btrfs_trans_handle *trans,
struct btrfs_root *root, struct extent_buffer *buf, struct btrfs_root *root, struct extent_buffer *buf,
struct extent_buffer *cow); struct extent_buffer *cow);
void btrfs_reloc_pre_snapshot(struct btrfs_trans_handle *trans, void btrfs_reloc_pre_snapshot(struct btrfs_pending_snapshot *pending,
struct btrfs_pending_snapshot *pending,
u64 *bytes_to_reserve); u64 *bytes_to_reserve);
int btrfs_reloc_post_snapshot(struct btrfs_trans_handle *trans, int btrfs_reloc_post_snapshot(struct btrfs_trans_handle *trans,
struct btrfs_pending_snapshot *pending); struct btrfs_pending_snapshot *pending);

13
fs/btrfs/relocation.c
View file

@ -2523,8 +2523,7 @@ struct btrfs_root *select_reloc_root(struct btrfs_trans_handle *trans,
* counted. return -ENOENT if the block is root of reloc tree. * counted. return -ENOENT if the block is root of reloc tree.
*/ */
static noinline_for_stack static noinline_for_stack
struct btrfs_root *select_one_root(struct btrfs_trans_handle *trans, struct btrfs_root *select_one_root(struct backref_node *node)
struct backref_node *node)
{ {
struct backref_node *next; struct backref_node *next;
struct btrfs_root *root; struct btrfs_root *root;
@ -2912,7 +2911,7 @@ static int relocate_tree_block(struct btrfs_trans_handle *trans,
return 0; return 0;
BUG_ON(node->processed); BUG_ON(node->processed);
root = select_one_root(trans, node); root = select_one_root(node);
if (root == ERR_PTR(-ENOENT)) { if (root == ERR_PTR(-ENOENT)) {
update_processed_blocks(rc, node); update_processed_blocks(rc, node);
goto out; goto out;
@ -3755,8 +3754,7 @@ out:
* helper to find next unprocessed extent * helper to find next unprocessed extent
*/ */
static noinline_for_stack static noinline_for_stack
int find_next_extent(struct btrfs_trans_handle *trans, int find_next_extent(struct reloc_control *rc, struct btrfs_path *path,
struct reloc_control *rc, struct btrfs_path *path,
struct btrfs_key *extent_key) struct btrfs_key *extent_key)
{ {
struct btrfs_key key; struct btrfs_key key;
@ -3951,7 +3949,7 @@ restart:
continue; continue;
} }
ret = find_next_extent(trans, rc, path, &key); ret = find_next_extent(rc, path, &key);
if (ret < 0) if (ret < 0)
err = ret; err = ret;
if (ret != 0) if (ret != 0)
@ -4596,8 +4594,7 @@ int btrfs_reloc_cow_block(struct btrfs_trans_handle *trans,
* called before creating snapshot. it calculates metadata reservation * called before creating snapshot. it calculates metadata reservation
* requried for relocating tree blocks in the snapshot * requried for relocating tree blocks in the snapshot
*/ */
void btrfs_reloc_pre_snapshot(struct btrfs_trans_handle *trans, void btrfs_reloc_pre_snapshot(struct btrfs_pending_snapshot *pending,
struct btrfs_pending_snapshot *pending,
u64 *bytes_to_reserve) u64 *bytes_to_reserve)
{ {
struct btrfs_root *root; struct btrfs_root *root;

2
fs/btrfs/transaction.c
View file

@ -1301,7 +1301,7 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans,
*/ */
btrfs_set_skip_qgroup(trans, objectid); btrfs_set_skip_qgroup(trans, objectid);
btrfs_reloc_pre_snapshot(trans, pending, &to_reserve); btrfs_reloc_pre_snapshot(pending, &to_reserve);
if (to_reserve > 0) { if (to_reserve > 0) {
pending->error = btrfs_block_rsv_add(root, pending->error = btrfs_block_rsv_add(root,