write in 30M

hc

2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 kernel/fs/btrfs/print-tree.c
..
..
@@ -7,6 +7,44 @@
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 #include "disk-io.h"
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 #include "print-tree.h"
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+struct root_name_map {
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+	u64 id;
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+	char name[16];
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+};
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+
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+static const struct root_name_map root_map[] = {
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+	{ BTRFS_ROOT_TREE_OBJECTID,		"ROOT_TREE"		},
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+	{ BTRFS_EXTENT_TREE_OBJECTID,		"EXTENT_TREE"		},
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+	{ BTRFS_CHUNK_TREE_OBJECTID,		"CHUNK_TREE"		},
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+	{ BTRFS_DEV_TREE_OBJECTID,		"DEV_TREE"		},
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+	{ BTRFS_FS_TREE_OBJECTID,		"FS_TREE"		},
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+	{ BTRFS_CSUM_TREE_OBJECTID,		"CSUM_TREE"		},
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+	{ BTRFS_TREE_LOG_OBJECTID,		"TREE_LOG"		},
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+	{ BTRFS_QUOTA_TREE_OBJECTID,		"QUOTA_TREE"		},
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+	{ BTRFS_UUID_TREE_OBJECTID,		"UUID_TREE"		},
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+	{ BTRFS_FREE_SPACE_TREE_OBJECTID,	"FREE_SPACE_TREE"	},
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+	{ BTRFS_DATA_RELOC_TREE_OBJECTID,	"DATA_RELOC_TREE"	},
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+};
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+
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+const char *btrfs_root_name(const struct btrfs_key *key, char *buf)
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+{
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+	int i;
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+
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+	if (key->objectid == BTRFS_TREE_RELOC_OBJECTID) {
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+		snprintf(buf, BTRFS_ROOT_NAME_BUF_LEN,
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+			 "TREE_RELOC offset=%llu", key->offset);
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+		return buf;
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+	}
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+
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+	for (i = 0; i < ARRAY_SIZE(root_map); i++) {
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+		if (root_map[i].id == key->objectid)
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+			return root_map[i].name;
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+	}
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+
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+	snprintf(buf, BTRFS_ROOT_NAME_BUF_LEN, "%llu", key->objectid);
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+	return buf;
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+}
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+
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 static void print_chunk(struct extent_buffer *eb, struct btrfs_chunk *chunk)
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 {
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 	int num_stripes = btrfs_chunk_num_stripes(eb, chunk);
..
..
@@ -109,10 +147,10 @@
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 			pr_cont("shared data backref parent %llu count %u\n",
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 			       offset, btrfs_shared_data_ref_count(eb, sref));
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 			/*
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-			 * offset is supposed to be a tree block which
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-			 * must be aligned to nodesize.
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+			 * Offset is supposed to be a tree block which must be
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+			 * aligned to sectorsize.
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 			 */
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-			if (!IS_ALIGNED(offset, eb->fs_info->nodesize))
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+			if (!IS_ALIGNED(offset, eb->fs_info->sectorsize))
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 				pr_info(
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 			"\t\t\t(parent %llu not aligned to sectorsize %u)\n",
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 				     offset, eb->fs_info->sectorsize);
..
..
@@ -155,11 +193,11 @@
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 #ifdef CONFIG_BTRFS_DEBUG
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 	btrfs_info(eb->fs_info,
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 "refs %u lock (w:%d r:%d bw:%d br:%d sw:%d sr:%d) lock_owner %u current %u",
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-		   atomic_read(&eb->refs), atomic_read(&eb->write_locks),
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+		   atomic_read(&eb->refs), eb->write_locks,
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 		   atomic_read(&eb->read_locks),
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-		   atomic_read(&eb->blocking_writers),
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+		   eb->blocking_writers,
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 		   atomic_read(&eb->blocking_readers),
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-		   atomic_read(&eb->spinning_writers),
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+		   eb->spinning_writers,
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 		   atomic_read(&eb->spinning_readers),
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 		   eb->lock_owner, current->pid);
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 #endif
..
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@@ -191,7 +229,7 @@
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 	btrfs_info(fs_info,
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 		   "leaf %llu gen %llu total ptrs %d free space %d owner %llu",
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 		   btrfs_header_bytenr(l), btrfs_header_generation(l), nr,
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-		   btrfs_leaf_free_space(fs_info, l), btrfs_header_owner(l));
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+		   btrfs_leaf_free_space(l), btrfs_header_owner(l));
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 	print_eb_refs_lock(l);
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 	for (i = 0 ; i < nr ; i++) {
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 		item = btrfs_item_nr(i);
..
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@@ -268,9 +306,9 @@
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 					    struct btrfs_block_group_item);
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 			pr_info(
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 		   "\t\tblock group used %llu chunk_objectid %llu flags %llu\n",
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-				btrfs_disk_block_group_used(l, bi),
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-				btrfs_disk_block_group_chunk_objectid(l, bi),
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-				btrfs_disk_block_group_flags(l, bi));
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+				btrfs_block_group_used(l, bi),
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+				btrfs_block_group_chunk_objectid(l, bi),
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+				btrfs_block_group_flags(l, bi));
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 			break;
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 		case BTRFS_CHUNK_ITEM_KEY:
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 			print_chunk(l, btrfs_item_ptr(l, i,
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@@ -319,7 +357,7 @@
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 			print_uuid_item(l, btrfs_item_ptr_offset(l, i),
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 					btrfs_item_size_nr(l, i));
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 			break;
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-		};
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+		}
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 	}
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 }
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