Btrfs: fix the amount of space reserved for unlink
Our unlink reservations were a bit much, we were reserving 10 and I only count 8
possible items we're touching, so comment what we're reserving for and fix the
count value. Thanks,
Signed-off-by: Josef Bacik <josef@redhat.com>
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 246397d..1f013c5 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -2758,7 +2758,16 @@
u64 ino = btrfs_ino(inode);
u64 dir_ino = btrfs_ino(dir);
- trans = btrfs_start_transaction(root, 10);
+ /*
+ * 1 for the possible orphan item
+ * 1 for the dir item
+ * 1 for the dir index
+ * 1 for the inode ref
+ * 1 for the inode ref in the tree log
+ * 2 for the dir entries in the log
+ * 1 for the inode
+ */
+ trans = btrfs_start_transaction(root, 8);
if (!IS_ERR(trans) || PTR_ERR(trans) != -ENOSPC)
return trans;