btrfs: reserve correct number of items for unlink and rmdir

__btrfs_unlink_inode() calls btrfs_update_inode() on the parent directory in order to update its size and sequence number. Make sure we account for it. Reviewed-by: Sweet Tea Dorminy <[email protected]> Signed-off-by: Omar Sandoval <[email protected]> Signed-off-by: David Sterba <[email protected]>
alkavan · May 16, 2022 · bca4ad7 · bca4ad7
1 parent 42226c9
commit bca4ad7
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
@@ -4199,8 +4199,9 @@ static struct btrfs_trans_handle *__unlink_start_trans(struct inode *dir)
 	 * 1 for the dir index
 	 * 1 for the inode ref
 	 * 1 for the inode
+	 * 1 for the parent inode
 	 */
-	return btrfs_start_transaction_fallback_global_rsv(root, 5);
+	return btrfs_start_transaction_fallback_global_rsv(root, 6);
 }
 
 static int btrfs_unlink(struct inode *dir, struct dentry *dentry)