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btrfs: pass btrfs_fs_info for deleting snapshots and cleaner 

We're passing a root around here, but we only really need the fs_info,
so fix up btrfs_clean_one_deleted_snapshot() to take an fs_info instead,
and then fix up all the callers appropriately.

Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Josef Bacik 2022-02-18 14:56:11 -05:00 committed by David Sterba
parent c067da8781
commit 33c4418499
3 changed files with 6 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
fs/btrfs/disk-io.c
View File

@ -1947,8 +1947,7 @@ static void end_workqueue_fn(struct btrfs_work *work)
static int cleaner_kthread(void *arg)
{
struct btrfs_root *root = arg;
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_fs_info *fs_info = (struct btrfs_fs_info *)arg;
int again;
while (1) {
@ -1981,7 +1980,7 @@ static int cleaner_kthread(void *arg)
btrfs_run_delayed_iputs(fs_info);
again = btrfs_clean_one_deleted_snapshot(root);
again = btrfs_clean_one_deleted_snapshot(fs_info);
mutex_unlock(&fs_info->cleaner_mutex);
/*
@ -3806,7 +3805,7 @@ int __cold open_ctree(struct super_block *sb, struct btrfs_fs_devices *fs_device
goto fail_sysfs;
}
fs_info->cleaner_kthread = kthread_run(cleaner_kthread, tree_root,
fs_info->cleaner_kthread = kthread_run(cleaner_kthread, fs_info,
"btrfs-cleaner");
if (IS_ERR(fs_info->cleaner_kthread))
goto fail_sysfs;

4
fs/btrfs/transaction.c
View File

@ -2505,10 +2505,10 @@ cleanup_transaction:
* because btrfs_commit_super will poke cleaner thread and it will process it a
* few seconds later.
*/
int btrfs_clean_one_deleted_snapshot(struct btrfs_root *root)
int btrfs_clean_one_deleted_snapshot(struct btrfs_fs_info *fs_info)
{
struct btrfs_root *root;
int ret;
struct btrfs_fs_info *fs_info = root->fs_info;
spin_lock(&fs_info->trans_lock);
if (list_empty(&fs_info->dead_roots)) {

2
fs/btrfs/transaction.h
View File

@ -217,7 +217,7 @@ int btrfs_wait_for_commit(struct btrfs_fs_info *fs_info, u64 transid);
void btrfs_add_dead_root(struct btrfs_root *root);
int btrfs_defrag_root(struct btrfs_root *root);
void btrfs_maybe_wake_unfinished_drop(struct btrfs_fs_info *fs_info);
int btrfs_clean_one_deleted_snapshot(struct btrfs_root *root);
int btrfs_clean_one_deleted_snapshot(struct btrfs_fs_info *fs_info);
int btrfs_commit_transaction(struct btrfs_trans_handle *trans);
void btrfs_commit_transaction_async(struct btrfs_trans_handle *trans);
int btrfs_end_transaction_throttle(struct btrfs_trans_handle *trans);