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[v2,3/4] btrfs: get rid of root->orphan_cleanup_state

Message ID e109d9c316752d28986266ded203dd4f0f9fba7a.1636384774.git.josef@toxicpanda.com (mailing list archive)
State New, archived
Headers show
Series Use global rsv stealing for evict and clean things up | expand

Commit Message

Josef Bacik Nov. 8, 2021, 3:21 p.m. UTC 
Now that we don't care about the stage of the orphan_cleanup_state,
simply replace it with a bit on ->state to make sure we don't call the
orphan cleanup every time we wander into this root.

Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
---
 fs/btrfs/ctree.h   | 9 ++-------
 fs/btrfs/disk-io.c | 1 -
 fs/btrfs/inode.c   | 4 +---
 3 files changed, 3 insertions(+), 11 deletions(-)
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Patch

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 7553e9dc5f93..01f6a40ba2dd 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -511,11 +511,6 @@  struct btrfs_discard_ctl {
 	atomic64_t discard_bytes_saved;
 };
 
-enum btrfs_orphan_cleanup_state {
-	ORPHAN_CLEANUP_STARTED	= 1,
-	ORPHAN_CLEANUP_DONE	= 2,
-};
-
 void btrfs_init_async_reclaim_work(struct btrfs_fs_info *fs_info);
 
 /* fs_info */
@@ -1110,6 +1105,8 @@  enum {
 	BTRFS_ROOT_HAS_LOG_TREE,
 	/* Qgroup flushing is in progress */
 	BTRFS_ROOT_QGROUP_FLUSHING,
+	/* We started the orphan cleanup for this root. */
+	BTRFS_ROOT_ORPHAN_CLEANUP,
 };
 
 /*
@@ -1178,8 +1175,6 @@  struct btrfs_root {
 	spinlock_t log_extents_lock[2];
 	struct list_head logged_list[2];
 
-	int orphan_cleanup_state;
-
 	spinlock_t inode_lock;
 	/* red-black tree that keeps track of in-memory inodes */
 	struct rb_root inode_tree;
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index c7254331cf38..5be0ae67ceb7 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -1144,7 +1144,6 @@  static void __setup_root(struct btrfs_root *root, struct btrfs_fs_info *fs_info,
 	root->node = NULL;
 	root->commit_root = NULL;
 	root->state = 0;
-	root->orphan_cleanup_state = 0;
 
 	root->last_trans = 0;
 	root->free_objectid = 0;
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index c783a3e434b9..a9ebafb168b5 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -3475,7 +3475,7 @@  int btrfs_orphan_cleanup(struct btrfs_root *root)
 	u64 last_objectid = 0;
 	int ret = 0, nr_unlink = 0;
 
-	if (cmpxchg(&root->orphan_cleanup_state, 0, ORPHAN_CLEANUP_STARTED))
+	if (test_and_set_bit(BTRFS_ROOT_ORPHAN_CLEANUP, &root->state))
 		return 0;
 
 	path = btrfs_alloc_path();
@@ -3633,8 +3633,6 @@  int btrfs_orphan_cleanup(struct btrfs_root *root)
 	/* release the path since we're done with it */
 	btrfs_release_path(path);
 
-	root->orphan_cleanup_state = ORPHAN_CLEANUP_DONE;
-
 	if (test_bit(BTRFS_ROOT_ORPHAN_ITEM_INSERTED, &root->state)) {
 		trans = btrfs_join_transaction(root);
 		if (!IS_ERR(trans))