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authorJosef Bacik <josef@toxicpanda.com>2020-12-16 11:18:44 -0500
committerDavid Sterba <dsterba@suse.com>2021-01-07 17:25:05 +0100
commit71008734d27f2276fcef23a5e546d358430f2d52 (patch)
tree586f1c1abd338127c95b8ff22d92122e3c8864ec /fs
parenta8cc263eb58ca133617662a5a5e07131d0ebf299 (diff)
downloadlinux-71008734d27f2276fcef23a5e546d358430f2d52.tar.gz
btrfs: print the actual offset in btrfs_root_name
We're supposed to print the root_key.offset in btrfs_root_name in the
case of a reloc root, not the objectid.  Fix this helper to take the key
so we have access to the offset when we need it.

Fixes: 457f1864b569 ("btrfs: pretty print leaked root name")
Reviewed-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/btrfs/disk-io.c2
-rw-r--r--fs/btrfs/print-tree.c10
-rw-r--r--fs/btrfs/print-tree.h2
3 files changed, 7 insertions, 7 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 1dfd4b2d0e1e..6b35b7e88136 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -1457,7 +1457,7 @@ void btrfs_check_leaked_roots(struct btrfs_fs_info *fs_info)
 		root = list_first_entry(&fs_info->allocated_roots,
 					struct btrfs_root, leak_list);
 		btrfs_err(fs_info, "leaked root %s refcount %d",
-			  btrfs_root_name(root->root_key.objectid, buf),
+			  btrfs_root_name(&root->root_key, buf),
 			  refcount_read(&root->refs));
 		while (refcount_read(&root->refs) > 1)
 			btrfs_put_root(root);
diff --git a/fs/btrfs/print-tree.c b/fs/btrfs/print-tree.c
index fe5e0026129d..aae1027bd76a 100644
--- a/fs/btrfs/print-tree.c
+++ b/fs/btrfs/print-tree.c
@@ -26,22 +26,22 @@ static const struct root_name_map root_map[] = {
 	{ BTRFS_DATA_RELOC_TREE_OBJECTID,	"DATA_RELOC_TREE"	},
 };
 
-const char *btrfs_root_name(u64 objectid, char *buf)
+const char *btrfs_root_name(const struct btrfs_key *key, char *buf)
 {
 	int i;
 
-	if (objectid == BTRFS_TREE_RELOC_OBJECTID) {
+	if (key->objectid == BTRFS_TREE_RELOC_OBJECTID) {
 		snprintf(buf, BTRFS_ROOT_NAME_BUF_LEN,
-			 "TREE_RELOC offset=%llu", objectid);
+			 "TREE_RELOC offset=%llu", key->offset);
 		return buf;
 	}
 
 	for (i = 0; i < ARRAY_SIZE(root_map); i++) {
-		if (root_map[i].id == objectid)
+		if (root_map[i].id == key->objectid)
 			return root_map[i].name;
 	}
 
-	snprintf(buf, BTRFS_ROOT_NAME_BUF_LEN, "%llu", objectid);
+	snprintf(buf, BTRFS_ROOT_NAME_BUF_LEN, "%llu", key->objectid);
 	return buf;
 }
 
diff --git a/fs/btrfs/print-tree.h b/fs/btrfs/print-tree.h
index 78b99385a503..8c3e9319ec4e 100644
--- a/fs/btrfs/print-tree.h
+++ b/fs/btrfs/print-tree.h
@@ -11,6 +11,6 @@
 
 void btrfs_print_leaf(struct extent_buffer *l);
 void btrfs_print_tree(struct extent_buffer *c, bool follow);
-const char *btrfs_root_name(u64 objectid, char *buf);
+const char *btrfs_root_name(const struct btrfs_key *key, char *buf);
 
 #endif