commit facb8f2572a53dda428f036aa20b4cb804cfc4f1
Author: Erez Zadok <[EMAIL PROTECTED]>
Date: Mon Mar 19 03:01:49 2007 -0400
Unionfs: Provide more helpful info on branch leaks during unmount
Signed-off-by: Erez Zadok <[EMAIL PROTECTED]>
[jsipek: no need to take a read lock on the superblock private data]
Signed-off-by: Josef 'Jeff' Sipek <[EMAIL PROTECTED]>
diff --git a/fs/unionfs/super.c b/fs/unionfs/super.c
index 571b589..037c47d 100644
--- a/fs/unionfs/super.c
+++ b/fs/unionfs/super.c
@@ -97,6 +97,7 @@ static void unionfs_put_super(struct super_block *sb)
{
int bindex, bstart, bend;
struct unionfs_sb_info *spd;
+ int leaks = 0;
spd = UNIONFS_SB(sb);
if (!spd)
@@ -107,7 +108,12 @@ static void unionfs_put_super(struct super_block *sb)
/* Make sure we have no leaks of branchget/branchput. */
for (bindex = bstart; bindex <= bend; bindex++)
- BUG_ON(branch_count(sb, bindex) != 0);
+ if (branch_count(sb, bindex) != 0) {
+ printk("unionfs: branch %d has %d references left!\n",
+ bindex, branch_count(sb,bindex));
+ leaks = 1;
+ }
+ BUG_ON(leaks != 0);
kfree(spd->data);
kfree(spd);
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