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WSL2-Linux-Kernel
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btrfs: root->fs_info cleanup, access fs_info->delayed_root directly 

This results in btrfs_assert_delayed_root_empty and
btrfs_destroy_delayed_inode taking an fs_info instead of a root.

Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Jeff Mahoney 2016-06-22 18:54:23 -04:00 коммит произвёл David Sterba
Родитель 0b246afa62
Коммит ccdf9b305a
4 изменённых файлов: 13 добавлений и 24 удалений
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23
fs/btrfs/delayed-inode.c
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@ -72,12 +72,6 @@ static inline int btrfs_is_continuous_delayed_item(
return 0;
}
static inline struct btrfs_delayed_root *btrfs_get_delayed_root(
struct btrfs_root *root)
{
return root->fs_info->delayed_root;
}
static struct btrfs_delayed_node *btrfs_get_delayed_node(struct inode *inode)
{
struct btrfs_inode *btrfs_inode = BTRFS_I(inode);
@ -1163,7 +1157,7 @@ static int __btrfs_run_delayed_items(struct btrfs_trans_handle *trans,
block_rsv = trans->block_rsv;
trans->block_rsv = &fs_info->delayed_block_rsv;
delayed_root = btrfs_get_delayed_root(root);
delayed_root = fs_info->delayed_root;
curr_node = btrfs_first_delayed_node(delayed_root);
while (curr_node && (!count || (count && nr--))) {
@ -1390,11 +1384,9 @@ static int btrfs_wq_run_delayed_node(struct btrfs_delayed_root *delayed_root,
return 0;
}
void btrfs_assert_delayed_root_empty(struct btrfs_root *root)
void btrfs_assert_delayed_root_empty(struct btrfs_fs_info *fs_info)
{
struct btrfs_delayed_root *delayed_root;
delayed_root = btrfs_get_delayed_root(root);
WARN_ON(btrfs_first_delayed_node(delayed_root));
WARN_ON(btrfs_first_delayed_node(fs_info->delayed_root));
}
static int could_end_wait(struct btrfs_delayed_root *delayed_root, int seq)
@ -1415,7 +1407,7 @@ void btrfs_balance_delayed_items(struct btrfs_root *root)
struct btrfs_delayed_root *delayed_root;
struct btrfs_fs_info *fs_info = root->fs_info;
delayed_root = btrfs_get_delayed_root(root);
delayed_root = fs_info->delayed_root;
if (atomic_read(&delayed_root->items) < BTRFS_DELAYED_BACKGROUND)
return;
@ -1980,14 +1972,11 @@ void btrfs_kill_all_delayed_nodes(struct btrfs_root *root)
}
}
void btrfs_destroy_delayed_inodes(struct btrfs_root *root)
void btrfs_destroy_delayed_inodes(struct btrfs_fs_info *fs_info)
{
struct btrfs_delayed_root *delayed_root;
struct btrfs_delayed_node *curr_node, *prev_node;
delayed_root = btrfs_get_delayed_root(root);
curr_node = btrfs_first_delayed_node(delayed_root);
curr_node = btrfs_first_delayed_node(fs_info->delayed_root);
while (curr_node) {
__btrfs_kill_delayed_node(curr_node);

4
fs/btrfs/delayed-inode.h
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@ -134,7 +134,7 @@ int btrfs_delayed_delete_inode_ref(struct inode *inode);
void btrfs_kill_all_delayed_nodes(struct btrfs_root *root);
/* Used for clean the transaction */
void btrfs_destroy_delayed_inodes(struct btrfs_root *root);
void btrfs_destroy_delayed_inodes(struct btrfs_fs_info *fs_info);
/* Used for readdir() */
bool btrfs_readdir_get_delayed_items(struct inode *inode,
@ -153,6 +153,6 @@ int __init btrfs_delayed_inode_init(void);
void btrfs_delayed_inode_exit(void);
/* for debugging */
void btrfs_assert_delayed_root_empty(struct btrfs_root *root);
void btrfs_assert_delayed_root_empty(struct btrfs_fs_info *fs_info);
#endif

8
fs/btrfs/disk-io.c
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@ -4587,8 +4587,8 @@ void btrfs_cleanup_one_transaction(struct btrfs_transaction *cur_trans,
cur_trans->state = TRANS_STATE_UNBLOCKED;
wake_up(&fs_info->transaction_wait);
btrfs_destroy_delayed_inodes(root);
btrfs_assert_delayed_root_empty(root);
btrfs_destroy_delayed_inodes(fs_info);
btrfs_assert_delayed_root_empty(fs_info);
btrfs_destroy_marked_extents(root, &cur_trans->dirty_pages,
EXTENT_DIRTY);
@ -4649,8 +4649,8 @@ static int btrfs_cleanup_transaction(struct btrfs_root *root)
}
spin_unlock(&fs_info->trans_lock);
btrfs_destroy_all_ordered_extents(fs_info);
btrfs_destroy_delayed_inodes(root);
btrfs_assert_delayed_root_empty(root);
btrfs_destroy_delayed_inodes(fs_info);
btrfs_assert_delayed_root_empty(fs_info);
btrfs_destroy_pinned_extent(root, fs_info->pinned_extents);
btrfs_destroy_all_delalloc_inodes(fs_info);
mutex_unlock(&fs_info->transaction_kthread_mutex);

2
fs/btrfs/transaction.c
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@ -2133,7 +2133,7 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
* make sure none of the code above managed to slip in a
* delayed item
*/
btrfs_assert_delayed_root_empty(root);
btrfs_assert_delayed_root_empty(fs_info);
WARN_ON(cur_trans != trans->transaction);