From: NeilBrown <neilb@suse.de>
Date: Fri, 25 Jun 2010 06:21:06 +0000 (+1000)
Subject: Relax loop count restriction in truncation.
X-Git-Url: http://git.neil.brown.name/?a=commitdiff_plain;h=fa2b7bea2d3e774fa63aee529b9b54a54e36a610;p=LaFS.git

Relax loop count restriction in truncation.

It is possible to hit the current count in normal operations,
so make it a lot gentler.

Signed-off-by: NeilBrown <neilb@suse.de>
---

diff --git a/inode.c b/inode.c
index 027f856..6c0f062 100644
--- a/inode.c
+++ b/inode.c
@@ -581,6 +581,7 @@ void lafs_inode_handle_orphan(struct datablock *b)
 	struct fs *fs = fs_from_inode(ino);
 	u32 trunc_next, next_trunc;
 	int do_restart;
+	int loop_cnt = 20;
 
  restart:
 	do_restart = 1;
@@ -695,10 +696,9 @@ void lafs_inode_handle_orphan(struct datablock *b)
 			lafs_iounlock_block(&ib2->b);
 
 		if (!list_empty(&ib2->b.siblings)) {
-			static int cnt = 10;
 			printk("looping on %s\n", strblk(&ib2->b));
-			cnt--;
-			if (cnt < 0)
+			loop_cnt--;
+			if (loop_cnt < 0)
 				BUG();
 		}
 		putiref(ib2, MKREF(inode_handle_orphan2));