[PATCH 06/21] Unionfs: Provide more helpful info on branch leaks during unmount

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



From: Erez Zadok <[email protected]>

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]>
---
 fs/unionfs/super.c |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)

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);
-- 
1.5.0.3.268.g3dda

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]
  Powered by Linux