btrfs: take an fs_info directly when the root is not used otherwise
There are loads of functions in btrfs that accept a root parameter
but only use it to obtain an fs_info pointer. Let's convert those to
just accept an fs_info pointer directly.
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index dcb225e..0cde002 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -307,12 +307,12 @@ static int process_one_buffer(struct btrfs_root *log,
}
if (wc->pin)
- ret = btrfs_pin_extent_for_log_replay(fs_info->extent_root,
- eb->start, eb->len);
+ ret = btrfs_pin_extent_for_log_replay(fs_info, eb->start,
+ eb->len);
if (!ret && btrfs_buffer_uptodate(eb, gen, 0)) {
if (wc->pin && btrfs_header_level(eb) == 0)
- ret = btrfs_exclude_logged_extents(log, eb);
+ ret = btrfs_exclude_logged_extents(fs_info, eb);
if (wc->write)
btrfs_write_tree_block(eb);
if (wc->wait)
@@ -341,6 +341,7 @@ static noinline int overwrite_item(struct btrfs_trans_handle *trans,
struct extent_buffer *eb, int slot,
struct btrfs_key *key)
{
+ struct btrfs_fs_info *fs_info = root->fs_info;
int ret;
u32 item_size;
u64 saved_i_size = 0;
@@ -461,9 +462,9 @@ static noinline int overwrite_item(struct btrfs_trans_handle *trans,
found_size = btrfs_item_size_nr(path->nodes[0],
path->slots[0]);
if (found_size > item_size)
- btrfs_truncate_item(root, path, item_size, 1);
+ btrfs_truncate_item(fs_info, path, item_size, 1);
else if (found_size < item_size)
- btrfs_extend_item(root, path,
+ btrfs_extend_item(fs_info, path,
item_size - found_size);
} else if (ret) {
return ret;
@@ -708,10 +709,10 @@ static noinline int replay_one_extent(struct btrfs_trans_handle *trans,
* is this extent already allocated in the extent
* allocation tree? If so, just add a reference
*/
- ret = btrfs_lookup_data_extent(root, ins.objectid,
+ ret = btrfs_lookup_data_extent(fs_info, ins.objectid,
ins.offset);
if (ret == 0) {
- ret = btrfs_inc_extent_ref(trans, root,
+ ret = btrfs_inc_extent_ref(trans, fs_info,
ins.objectid, ins.offset,
0, root->root_key.objectid,
key->objectid, offset);
@@ -723,7 +724,8 @@ static noinline int replay_one_extent(struct btrfs_trans_handle *trans,
* allocation tree
*/
ret = btrfs_alloc_logged_file_extent(trans,
- root, root->root_key.objectid,
+ fs_info,
+ root->root_key.objectid,
key->objectid, offset, &ins);
if (ret)
goto out;
@@ -843,6 +845,7 @@ static noinline int drop_one_dir_item(struct btrfs_trans_handle *trans,
struct inode *dir,
struct btrfs_dir_item *di)
{
+ struct btrfs_fs_info *fs_info = root->fs_info;
struct inode *inode;
char *name;
int name_len;
@@ -875,7 +878,7 @@ static noinline int drop_one_dir_item(struct btrfs_trans_handle *trans,
if (ret)
goto out;
else
- ret = btrfs_run_delayed_items(trans, root);
+ ret = btrfs_run_delayed_items(trans, fs_info);
out:
kfree(name);
iput(inode);
@@ -993,6 +996,7 @@ static inline int __add_inode_ref(struct btrfs_trans_handle *trans,
u64 ref_index, char *name, int namelen,
int *search_done)
{
+ struct btrfs_fs_info *fs_info = root->fs_info;
int ret;
char *victim_name;
int victim_name_len;
@@ -1051,7 +1055,7 @@ static inline int __add_inode_ref(struct btrfs_trans_handle *trans,
kfree(victim_name);
if (ret)
return ret;
- ret = btrfs_run_delayed_items(trans, root);
+ ret = btrfs_run_delayed_items(trans, fs_info);
if (ret)
return ret;
*search_done = 1;
@@ -1122,7 +1126,8 @@ static inline int __add_inode_ref(struct btrfs_trans_handle *trans,
victim_name_len);
if (!ret)
ret = btrfs_run_delayed_items(
- trans, root);
+ trans,
+ fs_info);
}
iput(victim_parent);
kfree(victim_name);
@@ -1813,6 +1818,7 @@ static noinline int replay_one_dir_item(struct btrfs_trans_handle *trans,
struct extent_buffer *eb, int slot,
struct btrfs_key *key)
{
+ struct btrfs_fs_info *fs_info = root->fs_info;
int ret = 0;
u32 item_size = btrfs_item_size_nr(eb, slot);
struct btrfs_dir_item *di;
@@ -1825,7 +1831,7 @@ static noinline int replay_one_dir_item(struct btrfs_trans_handle *trans,
ptr_end = ptr + item_size;
while (ptr < ptr_end) {
di = (struct btrfs_dir_item *)ptr;
- if (verify_dir_item(root, eb, di))
+ if (verify_dir_item(fs_info, eb, di))
return -EIO;
name_len = btrfs_dir_name_len(eb, di);
ret = replay_one_name(trans, root, path, eb, di, key);
@@ -1980,6 +1986,7 @@ static noinline int check_item_in_log(struct btrfs_trans_handle *trans,
struct inode *dir,
struct btrfs_key *dir_key)
{
+ struct btrfs_fs_info *fs_info = root->fs_info;
int ret;
struct extent_buffer *eb;
int slot;
@@ -2001,7 +2008,7 @@ static noinline int check_item_in_log(struct btrfs_trans_handle *trans,
ptr_end = ptr + item_size;
while (ptr < ptr_end) {
di = (struct btrfs_dir_item *)ptr;
- if (verify_dir_item(root, eb, di)) {
+ if (verify_dir_item(fs_info, eb, di)) {
ret = -EIO;
goto out;
}
@@ -2048,7 +2055,7 @@ static noinline int check_item_in_log(struct btrfs_trans_handle *trans,
ret = btrfs_unlink_inode(trans, root, dir, inode,
name, name_len);
if (!ret)
- ret = btrfs_run_delayed_items(trans, root);
+ ret = btrfs_run_delayed_items(trans, fs_info);
kfree(name);
iput(inode);
if (ret)
@@ -2440,7 +2447,7 @@ static noinline int walk_down_log_tree(struct btrfs_trans_handle *trans,
parent = path->nodes[*level];
root_owner = btrfs_header_owner(parent);
- next = btrfs_find_create_tree_block(root, bytenr);
+ next = btrfs_find_create_tree_block(fs_info, bytenr);
if (IS_ERR(next))
return PTR_ERR(next);
@@ -2469,8 +2476,9 @@ static noinline int walk_down_log_tree(struct btrfs_trans_handle *trans,
WARN_ON(root_owner !=
BTRFS_TREE_LOG_OBJECTID);
- ret = btrfs_free_and_pin_reserved_extent(root,
- bytenr, blocksize);
+ ret = btrfs_free_and_pin_reserved_extent(
+ fs_info, bytenr,
+ blocksize);
if (ret) {
free_extent_buffer(next);
return ret;
@@ -2547,7 +2555,8 @@ static noinline int walk_up_log_tree(struct btrfs_trans_handle *trans,
}
WARN_ON(root_owner != BTRFS_TREE_LOG_OBJECTID);
- ret = btrfs_free_and_pin_reserved_extent(root,
+ ret = btrfs_free_and_pin_reserved_extent(
+ fs_info,
path->nodes[*level]->start,
path->nodes[*level]->len);
if (ret)
@@ -2569,6 +2578,7 @@ static noinline int walk_up_log_tree(struct btrfs_trans_handle *trans,
static int walk_log_tree(struct btrfs_trans_handle *trans,
struct btrfs_root *log, struct walk_control *wc)
{
+ struct btrfs_fs_info *fs_info = log->fs_info;
int ret = 0;
int wret;
int level;
@@ -2617,15 +2627,15 @@ static int walk_log_tree(struct btrfs_trans_handle *trans,
if (trans) {
btrfs_tree_lock(next);
btrfs_set_lock_blocking(next);
- clean_tree_block(trans, log->fs_info, next);
+ clean_tree_block(trans, fs_info, next);
btrfs_wait_tree_block_writeback(next);
btrfs_tree_unlock(next);
}
WARN_ON(log->root_key.objectid !=
BTRFS_TREE_LOG_OBJECTID);
- ret = btrfs_free_and_pin_reserved_extent(log, next->start,
- next->len);
+ ret = btrfs_free_and_pin_reserved_extent(fs_info,
+ next->start, next->len);
if (ret)
goto out;
}
@@ -2803,7 +2813,7 @@ int btrfs_sync_log(struct btrfs_trans_handle *trans,
* wait for them until later.
*/
blk_start_plug(&plug);
- ret = btrfs_write_marked_extents(log, &log->dirty_log_pages, mark);
+ ret = btrfs_write_marked_extents(fs_info, &log->dirty_log_pages, mark);
if (ret) {
blk_finish_plug(&plug);
btrfs_abort_transaction(trans, ret);
@@ -2911,7 +2921,7 @@ int btrfs_sync_log(struct btrfs_trans_handle *trans,
goto out_wake_log_root;
}
- ret = btrfs_write_marked_extents(log_root_tree,
+ ret = btrfs_write_marked_extents(fs_info,
&log_root_tree->dirty_log_pages,
EXTENT_DIRTY | EXTENT_NEW);
blk_finish_plug(&plug);
@@ -2950,7 +2960,7 @@ int btrfs_sync_log(struct btrfs_trans_handle *trans,
* the running transaction open, so a full commit can't hop
* in and cause problems either.
*/
- ret = write_ctree_super(trans, fs_info->tree_root, 1);
+ ret = write_ctree_super(trans, fs_info, 1);
if (ret) {
btrfs_set_log_full_commit(fs_info, trans);
btrfs_abort_transaction(trans, ret);
