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path: root/fs/btrfs/root-tree.c
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Diffstat (limited to 'fs/btrfs/root-tree.c')
-rw-r--r--fs/btrfs/root-tree.c32
1 files changed, 8 insertions, 24 deletions
diff --git a/fs/btrfs/root-tree.c b/fs/btrfs/root-tree.c
index 0b1f4ef8db9..360a728a639 100644
--- a/fs/btrfs/root-tree.c
+++ b/fs/btrfs/root-tree.c
@@ -16,6 +16,7 @@
* Boston, MA 021110-1307, USA.
*/
+#include <linux/err.h>
#include <linux/uuid.h>
#include "ctree.h"
#include "transaction.h"
@@ -44,7 +45,7 @@ static void btrfs_read_root_item(struct extent_buffer *eb, int slot,
if (!need_reset && btrfs_root_generation(item)
!= btrfs_root_generation_v2(item)) {
if (btrfs_root_generation_v2(item) != 0) {
- printk(KERN_WARNING "btrfs: mismatching "
+ printk(KERN_WARNING "BTRFS: mismatching "
"generation and generation_v2 "
"found in root item. This root "
"was probably mounted with an "
@@ -154,7 +155,7 @@ int btrfs_update_root(struct btrfs_trans_handle *trans, struct btrfs_root
if (ret != 0) {
btrfs_print_leaf(root, path->nodes[0]);
- printk(KERN_CRIT "unable to update root key %llu %u %llu\n",
+ btrfs_crit(root->fs_info, "unable to update root key %llu %u %llu",
key->objectid, key->type, key->offset);
BUG_ON(1);
}
@@ -271,7 +272,7 @@ int btrfs_find_orphan_roots(struct btrfs_root *tree_root)
key.offset++;
root = btrfs_read_fs_root(tree_root, &root_key);
- err = PTR_RET(root);
+ err = PTR_ERR_OR_ZERO(root);
if (err && err != -ENOENT) {
break;
} else if (err == -ENOENT) {
@@ -299,18 +300,13 @@ int btrfs_find_orphan_roots(struct btrfs_root *tree_root)
continue;
}
- if (btrfs_root_refs(&root->root_item) == 0) {
- btrfs_add_dead_root(root);
- continue;
- }
-
err = btrfs_init_fs_root(root);
if (err) {
btrfs_free_fs_root(root);
break;
}
- root->orphan_item_inserted = 1;
+ set_bit(BTRFS_ROOT_ORPHAN_ITEM_INSERTED, &root->state);
err = btrfs_insert_fs_root(root->fs_info, root);
if (err) {
@@ -318,6 +314,9 @@ int btrfs_find_orphan_roots(struct btrfs_root *tree_root)
btrfs_free_fs_root(root);
break;
}
+
+ if (btrfs_root_refs(&root->root_item) == 0)
+ btrfs_add_dead_root(root);
}
btrfs_free_path(path);
@@ -402,21 +401,6 @@ out:
return err;
}
-int btrfs_find_root_ref(struct btrfs_root *tree_root,
- struct btrfs_path *path,
- u64 root_id, u64 ref_id)
-{
- struct btrfs_key key;
- int ret;
-
- key.objectid = root_id;
- key.type = BTRFS_ROOT_REF_KEY;
- key.offset = ref_id;
-
- ret = btrfs_search_slot(NULL, tree_root, &key, path, 0, 0);
- return ret;
-}
-
/*
* add a btrfs_root_ref item. type is either BTRFS_ROOT_REF_KEY
* or BTRFS_ROOT_BACKREF_KEY.