diff mbox series

[v2,4/5] btrfs: pull up qgroup checks from delayed-ref core to init time

Message ID 20211012082137.1476078-5-nborisov@suse.com (mailing list archive)
State New, archived
Headers show
Series Make real_root used only in ref-verify | expand

Commit Message

Nikolay Borisov Oct. 12, 2021, 8:21 a.m. UTC 
Instead of checking whether qgroup processing for a dealyed ref has to
happen in the core of delayed ref, simply pull the check at init time of
respective delayed ref structures. This eliminates the final use of
real_root in delayed-ref core paving the way to making this member
optional.

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
---
 fs/btrfs/delayed-ref.c |  4 ----
 fs/btrfs/delayed-ref.h | 11 +++++++++++
 fs/btrfs/extent-tree.c |  5 -----
 fs/btrfs/inode.c       |  1 -
 fs/btrfs/relocation.c  |  7 -------
 5 files changed, 11 insertions(+), 17 deletions(-)
diff mbox series

Patch

diff --git a/fs/btrfs/delayed-ref.c b/fs/btrfs/delayed-ref.c
index 7c725379b8ca..405e93ebddae 100644
--- a/fs/btrfs/delayed-ref.c
+++ b/fs/btrfs/delayed-ref.c
@@ -923,8 +923,6 @@  int btrfs_add_delayed_tree_ref(struct btrfs_trans_handle *trans,
 	}
 
 	if (test_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags) &&
-	    is_fstree(generic_ref->real_root) &&
-	    is_fstree(generic_ref->tree_ref.owning_root) &&
 	    !generic_ref->skip_qgroup) {
 		record = kzalloc(sizeof(*record), GFP_NOFS);
 		if (!record) {
@@ -1029,8 +1027,6 @@  int btrfs_add_delayed_data_ref(struct btrfs_trans_handle *trans,
 	}
 
 	if (test_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags) &&
-	    is_fstree(ref_root) &&
-	    is_fstree(generic_ref->real_root) &&
 	    !generic_ref->skip_qgroup) {
 		record = kzalloc(sizeof(*record), GFP_NOFS);
 		if (!record) {
diff --git a/fs/btrfs/delayed-ref.h b/fs/btrfs/delayed-ref.h
index 8ab79def8e98..79ad5f11ae02 100644
--- a/fs/btrfs/delayed-ref.h
+++ b/fs/btrfs/delayed-ref.h
@@ -279,6 +279,12 @@  static inline void btrfs_init_tree_ref(struct btrfs_ref *generic_ref,
 	generic_ref->tree_ref.level = level;
 	generic_ref->tree_ref.owning_root = root;
 	generic_ref->type = BTRFS_REF_METADATA;
+	if (skip_qgroup || !(is_fstree(root)
+			     && (!mod_root || is_fstree(mod_root))))
+		generic_ref->skip_qgroup = true;
+	else
+		generic_ref->skip_qgroup = false;
+
 }
 
 static inline void btrfs_init_data_ref(struct btrfs_ref *generic_ref,
@@ -292,6 +298,11 @@  static inline void btrfs_init_data_ref(struct btrfs_ref *generic_ref,
 	generic_ref->data_ref.ino = ino;
 	generic_ref->data_ref.offset = offset;
 	generic_ref->type = BTRFS_REF_DATA;
+	if (skip_qgroup || !(is_fstree(ref_root)
+			     && (!mod_root || is_fstree(mod_root))))
+		generic_ref->skip_qgroup = true;
+	else
+		generic_ref->skip_qgroup = false;
 }
 
 static inline struct btrfs_delayed_extent_op *
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index a4fbe4b1df80..5a07386bd6d9 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -2437,11 +2437,9 @@  static int __btrfs_mod_ref(struct btrfs_trans_handle *trans,
 			key.offset -= btrfs_file_extent_offset(buf, fi);
 			btrfs_init_generic_ref(&generic_ref, action, bytenr,
 					       num_bytes, parent);
-			generic_ref.real_root = root->root_key.objectid;
 			btrfs_init_data_ref(&generic_ref, ref_root, key.objectid,
 					    key.offset, root->root_key.objectid,
 					    for_reloc);
-			generic_ref.skip_qgroup = for_reloc;
 			if (inc)
 				ret = btrfs_inc_extent_ref(trans, &generic_ref);
 			else
@@ -2453,10 +2451,8 @@  static int __btrfs_mod_ref(struct btrfs_trans_handle *trans,
 			num_bytes = fs_info->nodesize;
 			btrfs_init_generic_ref(&generic_ref, action, bytenr,
 					       num_bytes, parent);
-			generic_ref.real_root = root->root_key.objectid;
 			btrfs_init_tree_ref(&generic_ref, level - 1, ref_root,
 					    root->root_key.objectid, for_reloc);
-			generic_ref.skip_qgroup = for_reloc;
 			if (inc)
 				ret = btrfs_inc_extent_ref(trans, &generic_ref);
 			else
@@ -4936,7 +4932,6 @@  struct extent_buffer *btrfs_alloc_tree_block(struct btrfs_trans_handle *trans,
 
 		btrfs_init_generic_ref(&generic_ref, BTRFS_ADD_DELAYED_EXTENT,
 				       ins.objectid, ins.offset, parent);
-		generic_ref.real_root = root->root_key.objectid;
 		btrfs_init_tree_ref(&generic_ref, level, root_objectid,
 				    root->root_key.objectid, false);
 		btrfs_ref_tree_mod(fs_info, &generic_ref);
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 4fa0792be22d..a980bf37efdc 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -4919,7 +4919,6 @@  int btrfs_truncate_inode_items(struct btrfs_trans_handle *trans,
 
 			btrfs_init_generic_ref(&ref, BTRFS_DROP_DELAYED_REF,
 					extent_start, extent_num_bytes, 0);
-			ref.real_root = root->root_key.objectid;
 			btrfs_init_data_ref(&ref, btrfs_header_owner(leaf),
 					ino, extent_offset,
 					root->root_key.objectid, false);
diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index ce3631760ef4..fed823596248 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -1146,7 +1146,6 @@  int replace_file_extents(struct btrfs_trans_handle *trans,
 		key.offset -= btrfs_file_extent_offset(leaf, fi);
 		btrfs_init_generic_ref(&ref, BTRFS_ADD_DELAYED_REF, new_bytenr,
 				       num_bytes, parent);
-		ref.real_root = root->root_key.objectid;
 		btrfs_init_data_ref(&ref, btrfs_header_owner(leaf),
 				    key.objectid, key.offset,
 				    root->root_key.objectid, false);
@@ -1158,7 +1157,6 @@  int replace_file_extents(struct btrfs_trans_handle *trans,
 
 		btrfs_init_generic_ref(&ref, BTRFS_DROP_DELAYED_REF, bytenr,
 				       num_bytes, parent);
-		ref.real_root = root->root_key.objectid;
 		btrfs_init_data_ref(&ref, btrfs_header_owner(leaf),
 				    key.objectid, key.offset,
 				    root->root_key.objectid, false);
@@ -1370,7 +1368,6 @@  int replace_path(struct btrfs_trans_handle *trans, struct reloc_control *rc,
 
 		btrfs_init_generic_ref(&ref, BTRFS_ADD_DELAYED_REF, old_bytenr,
 				       blocksize, path->nodes[level]->start);
-		ref.skip_qgroup = true;
 		btrfs_init_tree_ref(&ref, level - 1, src->root_key.objectid,
 				    0, true);
 		ret = btrfs_inc_extent_ref(trans, &ref);
@@ -1380,7 +1377,6 @@  int replace_path(struct btrfs_trans_handle *trans, struct reloc_control *rc,
 		}
 		btrfs_init_generic_ref(&ref, BTRFS_ADD_DELAYED_REF, new_bytenr,
 				       blocksize, 0);
-		ref.skip_qgroup = true;
 		btrfs_init_tree_ref(&ref, level - 1, dest->root_key.objectid, 0,
 				    true);
 		ret = btrfs_inc_extent_ref(trans, &ref);
@@ -1393,7 +1389,6 @@  int replace_path(struct btrfs_trans_handle *trans, struct reloc_control *rc,
 				       blocksize, path->nodes[level]->start);
 		btrfs_init_tree_ref(&ref, level - 1, src->root_key.objectid,
 				    0, true);
-		ref.skip_qgroup = true;
 		ret = btrfs_free_extent(trans, &ref);
 		if (ret) {
 			btrfs_abort_transaction(trans, ret);
@@ -1404,7 +1399,6 @@  int replace_path(struct btrfs_trans_handle *trans, struct reloc_control *rc,
 				       blocksize, 0);
 		btrfs_init_tree_ref(&ref, level - 1, dest->root_key.objectid,
 				    0, true);
-		ref.skip_qgroup = true;
 		ret = btrfs_free_extent(trans, &ref);
 		if (ret) {
 			btrfs_abort_transaction(trans, ret);
@@ -2480,7 +2474,6 @@  static int do_relocation(struct btrfs_trans_handle *trans,
 			btrfs_init_generic_ref(&ref, BTRFS_ADD_DELAYED_REF,
 					       node->eb->start, blocksize,
 					       upper->eb->start);
-			ref.real_root = root->root_key.objectid;
 			btrfs_init_tree_ref(&ref, node->level,
 					    btrfs_header_owner(upper->eb),
 					    root->root_key.objectid, false);