From 102a0743326a03cd1a1202ceda21e175b7d3575c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:20:52 +0000
Subject: [PATCH] add new system file
---
kernel/fs/btrfs/print-tree.c | 60 +++++++++++++++++++++++++++++++++++++++++++++++++-----------
1 files changed, 49 insertions(+), 11 deletions(-)
diff --git a/kernel/fs/btrfs/print-tree.c b/kernel/fs/btrfs/print-tree.c
index 4b217e9..e98ba4e 100644
--- a/kernel/fs/btrfs/print-tree.c
+++ b/kernel/fs/btrfs/print-tree.c
@@ -7,6 +7,44 @@
#include "disk-io.h"
#include "print-tree.h"
+struct root_name_map {
+ u64 id;
+ char name[16];
+};
+
+static const struct root_name_map root_map[] = {
+ { BTRFS_ROOT_TREE_OBJECTID, "ROOT_TREE" },
+ { BTRFS_EXTENT_TREE_OBJECTID, "EXTENT_TREE" },
+ { BTRFS_CHUNK_TREE_OBJECTID, "CHUNK_TREE" },
+ { BTRFS_DEV_TREE_OBJECTID, "DEV_TREE" },
+ { BTRFS_FS_TREE_OBJECTID, "FS_TREE" },
+ { BTRFS_CSUM_TREE_OBJECTID, "CSUM_TREE" },
+ { BTRFS_TREE_LOG_OBJECTID, "TREE_LOG" },
+ { BTRFS_QUOTA_TREE_OBJECTID, "QUOTA_TREE" },
+ { BTRFS_UUID_TREE_OBJECTID, "UUID_TREE" },
+ { BTRFS_FREE_SPACE_TREE_OBJECTID, "FREE_SPACE_TREE" },
+ { BTRFS_DATA_RELOC_TREE_OBJECTID, "DATA_RELOC_TREE" },
+};
+
+const char *btrfs_root_name(const struct btrfs_key *key, char *buf)
+{
+ int i;
+
+ if (key->objectid == BTRFS_TREE_RELOC_OBJECTID) {
+ snprintf(buf, BTRFS_ROOT_NAME_BUF_LEN,
+ "TREE_RELOC offset=%llu", key->offset);
+ return buf;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(root_map); i++) {
+ if (root_map[i].id == key->objectid)
+ return root_map[i].name;
+ }
+
+ snprintf(buf, BTRFS_ROOT_NAME_BUF_LEN, "%llu", key->objectid);
+ return buf;
+}
+
static void print_chunk(struct extent_buffer *eb, struct btrfs_chunk *chunk)
{
int num_stripes = btrfs_chunk_num_stripes(eb, chunk);
@@ -109,10 +147,10 @@
pr_cont("shared data backref parent %llu count %u\n",
offset, btrfs_shared_data_ref_count(eb, sref));
/*
- * offset is supposed to be a tree block which
- * must be aligned to nodesize.
+ * Offset is supposed to be a tree block which must be
+ * aligned to sectorsize.
*/
- if (!IS_ALIGNED(offset, eb->fs_info->nodesize))
+ if (!IS_ALIGNED(offset, eb->fs_info->sectorsize))
pr_info(
"\t\t\t(parent %llu not aligned to sectorsize %u)\n",
offset, eb->fs_info->sectorsize);
@@ -155,11 +193,11 @@
#ifdef CONFIG_BTRFS_DEBUG
btrfs_info(eb->fs_info,
"refs %u lock (w:%d r:%d bw:%d br:%d sw:%d sr:%d) lock_owner %u current %u",
- atomic_read(&eb->refs), atomic_read(&eb->write_locks),
+ atomic_read(&eb->refs), eb->write_locks,
atomic_read(&eb->read_locks),
- atomic_read(&eb->blocking_writers),
+ eb->blocking_writers,
atomic_read(&eb->blocking_readers),
- atomic_read(&eb->spinning_writers),
+ eb->spinning_writers,
atomic_read(&eb->spinning_readers),
eb->lock_owner, current->pid);
#endif
@@ -191,7 +229,7 @@
btrfs_info(fs_info,
"leaf %llu gen %llu total ptrs %d free space %d owner %llu",
btrfs_header_bytenr(l), btrfs_header_generation(l), nr,
- btrfs_leaf_free_space(fs_info, l), btrfs_header_owner(l));
+ btrfs_leaf_free_space(l), btrfs_header_owner(l));
print_eb_refs_lock(l);
for (i = 0 ; i < nr ; i++) {
item = btrfs_item_nr(i);
@@ -268,9 +306,9 @@
struct btrfs_block_group_item);
pr_info(
"\t\tblock group used %llu chunk_objectid %llu flags %llu\n",
- btrfs_disk_block_group_used(l, bi),
- btrfs_disk_block_group_chunk_objectid(l, bi),
- btrfs_disk_block_group_flags(l, bi));
+ btrfs_block_group_used(l, bi),
+ btrfs_block_group_chunk_objectid(l, bi),
+ btrfs_block_group_flags(l, bi));
break;
case BTRFS_CHUNK_ITEM_KEY:
print_chunk(l, btrfs_item_ptr(l, i,
@@ -319,7 +357,7 @@
print_uuid_item(l, btrfs_item_ptr_offset(l, i),
btrfs_item_size_nr(l, i));
break;
- };
+ }
}
}
--
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