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authorJosef Bacik <josef@redhat.com>2011-09-21 16:55:59 -0400
committerJosef Bacik <josef@redhat.com>2011-10-19 15:12:46 -0400
commita8c9e5769718d47e87cce40c9b84cab421804797 (patch)
tree6bfc08ccb5afa532449741230f5733c4f44499fc /fs
parent3b16a4e3c355ee3c790473decfcf83d4faeb8ce0 (diff)
Btrfs: fix orphan cleanup regression
In fixing how we deal with bad inodes, we had a regression in the orphan cleanup code, since it expects to get a bad inode back. So fix it to deal with getting -ESTALE back by deleting the orphan item manually and moving on. Thanks, Reported-by: Simon Kirby <sim@hostway.ca> Signed-off-by: Josef Bacik <josef@redhat.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/btrfs/inode.c36
1 files changed, 17 insertions, 19 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 88e3956be57..8005be17625 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -2285,37 +2285,35 @@ int btrfs_orphan_cleanup(struct btrfs_root *root)
found_key.type = BTRFS_INODE_ITEM_KEY;
found_key.offset = 0;
inode = btrfs_iget(root->fs_info->sb, &found_key, root, NULL);
- if (IS_ERR(inode)) {
- ret = PTR_ERR(inode);
+ ret = PTR_RET(inode);
+ if (ret && ret != -ESTALE)
goto out;
- }
-
- /*
- * add this inode to the orphan list so btrfs_orphan_del does
- * the proper thing when we hit it
- */
- spin_lock(&root->orphan_lock);
- list_add(&BTRFS_I(inode)->i_orphan, &root->orphan_list);
- spin_unlock(&root->orphan_lock);
/*
- * if this is a bad inode, means we actually succeeded in
- * removing the inode, but not the orphan record, which means
- * we need to manually delete the orphan since iput will just
- * do a destroy_inode
+ * Inode is already gone but the orphan item is still there,
+ * kill the orphan item.
*/
- if (is_bad_inode(inode)) {
- trans = btrfs_start_transaction(root, 0);
+ if (ret == -ESTALE) {
+ trans = btrfs_start_transaction(root, 1);
if (IS_ERR(trans)) {
ret = PTR_ERR(trans);
goto out;
}
- btrfs_orphan_del(trans, inode);
+ ret = btrfs_del_orphan_item(trans, root,
+ found_key.objectid);
+ BUG_ON(ret);
btrfs_end_transaction(trans, root);
- iput(inode);
continue;
}
+ /*
+ * add this inode to the orphan list so btrfs_orphan_del does
+ * the proper thing when we hit it
+ */
+ spin_lock(&root->orphan_lock);
+ list_add(&BTRFS_I(inode)->i_orphan, &root->orphan_list);
+ spin_unlock(&root->orphan_lock);
+
/* if we have links, this was a truncate, lets do that */
if (inode->i_nlink) {
if (!S_ISREG(inode->i_mode)) {