add wifi6 8852be driver

hc

2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da

 kernel/fs/ext4/extents_status.c
..
..
@@ -269,14 +269,12 @@
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269
 
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 	/* see if the extent has been cached */
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 	es->es_lblk = es->es_len = es->es_pblk = 0;
272
-	if (tree->cache_es) {
273
-		es1 = tree->cache_es;
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-		if (in_range(lblk, es1->es_lblk, es1->es_len)) {
275
-			es_debug("%u cached by [%u/%u) %llu %x\n",
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-				 lblk, es1->es_lblk, es1->es_len,
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-				 ext4_es_pblock(es1), ext4_es_status(es1));
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-			goto out;
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-		}
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+	es1 = READ_ONCE(tree->cache_es);
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+	if (es1 && in_range(lblk, es1->es_lblk, es1->es_len)) {
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+		es_debug("%u cached by [%u/%u) %llu %x\n",
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+			 lblk, es1->es_lblk, es1->es_len,
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+			 ext4_es_pblock(es1), ext4_es_status(es1));
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+		goto out;
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 	}
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279
 
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 	es1 = __es_tree_search(&tree->root, lblk);
..
..
@@ -295,7 +293,7 @@
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 	}
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 	if (es1 && matching_fn(es1)) {
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-		tree->cache_es = es1;
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+		WRITE_ONCE(tree->cache_es, es1);
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 		es->es_lblk = es1->es_lblk;
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 		es->es_len = es1->es_len;
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 		es->es_pblk = es1->es_pblk;
..
..
@@ -934,14 +932,12 @@
934
932
 
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 	/* find extent in cache firstly */
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 	es->es_lblk = es->es_len = es->es_pblk = 0;
937
-	if (tree->cache_es) {
938
-		es1 = tree->cache_es;
939
-		if (in_range(lblk, es1->es_lblk, es1->es_len)) {
940
-			es_debug("%u cached by [%u/%u)\n",
941
-				 lblk, es1->es_lblk, es1->es_len);
942
-			found = 1;
943
-			goto out;
944
-		}
935
+	es1 = READ_ONCE(tree->cache_es);
936
+	if (es1 && in_range(lblk, es1->es_lblk, es1->es_len)) {
937
+		es_debug("%u cached by [%u/%u)\n",
938
+			 lblk, es1->es_lblk, es1->es_len);
939
+		found = 1;
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+		goto out;
945
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 	}
946
942
 
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 	node = tree->root.rb_node;
..
..
@@ -1372,7 +1368,7 @@
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 		if (count_reserved)
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 			count_rsvd(inode, lblk, orig_es.es_len - len1 - len2,
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 				   &orig_es, &rc);
1375
-		goto out;
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+		goto out_get_reserved;
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 	}
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1373
 
1378
1374
 	if (len1 > 0) {
..
..
@@ -1414,6 +1410,7 @@
1414
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 		}
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 	}
1416
1412
 
1413
+out_get_reserved:
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 	if (count_reserved)
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 		*reserved = get_rsvd(inode, end, es, &rc);
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 out: