btrfs-progs: subvol: exchange subvol del --commit-after and --commit-each

[platform/upstream/btrfs-progs.git] / inode.c

diff --git a/inode.c b/inode.c
index be03a52..6b8bf40 100644 (file)
--- a/inode.c
+++ b/inode.c
@@ -20,7 +20,7 @@
  * Unlike inode.c in kernel, which can use most of the kernel infrastructure
  * like inode/dentry things, in user-land, we can only use inode number to
  * do directly operation on extent buffer, which may cause extra searching,
- * but should not be a huge problem since progs is less performence sensitive.
+ * but should not be a huge problem since progs is less performance sensitive.
  */
 #include <sys/stat.h>
 
@@ -262,7 +262,7 @@ int btrfs_add_orphan_item(struct btrfs_trans_handle *trans,
  * dir_item if any of them exists.
  *
  * If an inode's nlink is reduced to 0 and 'add_orphan' is true, it will be
- * added to orphan inode and wairing to be deleted by next kernel mount.
+ * added to orphan inode and waiting to be deleted by next kernel mount.
  */
 int btrfs_unlink(struct btrfs_trans_handle *trans, struct btrfs_root *root,
                 u64 ino, u64 parent_ino, u64 index, const char *name,
@@ -286,7 +286,7 @@ int btrfs_unlink(struct btrfs_trans_handle *trans, struct btrfs_root *root,
 
        /* check the ref and backref exists */
        inode_ref = btrfs_lookup_inode_ref(trans, root, path, name, namelen,
-                                          ino, parent_ino, index, 0);
+                                          ino, parent_ino, 0);
        if (IS_ERR(inode_ref)) {
                ret = PTR_ERR(inode_ref);
                goto out;
@@ -472,6 +472,42 @@ int btrfs_new_inode(struct btrfs_trans_handle *trans, struct btrfs_root *root,
 }
 
 /*
+ * Change inode flags to given value
+ */
+int btrfs_change_inode_flags(struct btrfs_trans_handle *trans,
+                            struct btrfs_root *root, u64 ino, u64 flags)
+{
+       struct btrfs_inode_item *item;
+       struct btrfs_path *path;
+       struct btrfs_key key;
+       int ret;
+
+       path = btrfs_alloc_path();
+       if (!path)
+               return -ENOMEM;
+
+       key.objectid = ino;
+       key.type = BTRFS_INODE_ITEM_KEY;
+       key.offset = 0;
+
+       ret = btrfs_search_slot(trans, root, &key, path, 0, 1);
+       if (ret > 0) {
+               ret = -ENOENT;
+               goto out;
+       }
+       if (ret < 0)
+               goto out;
+
+       item = btrfs_item_ptr(path->nodes[0], path->slots[0],
+                             struct btrfs_inode_item);
+       btrfs_set_inode_flags(path->nodes[0], item, flags);
+       btrfs_mark_buffer_dirty(path->nodes[0]);
+out:
+       btrfs_free_path(path);
+       return ret;
+}
+
+/*
  * Make a dir under the parent inode 'parent_ino' with 'name'
  * and 'mode', The owner will be root/root.
  */