From a2fe594fa3732298947377409b5d8111b14f56ec Mon Sep 17 00:00:00 2001
From: Jan Kara <jack@suse.cz>
Date: Mon, 28 Apr 2008 02:16:23 -0700
Subject: [PATCH] reiserfs: fix hang on umount with quotas when journal is
 aborted

Call dquot_drop() from reiserfs_dquot_drop() even if we fail to start a
transaction.  Otherwise we never get to dropping references to quota
structures from the inode and umount will hang indefinitely.

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/reiserfs/super.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index f8f9a473e6704..a4c9770a6012d 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -1890,8 +1890,14 @@ static int reiserfs_dquot_drop(struct inode *inode)
 	ret =
 	    journal_begin(&th, inode->i_sb,
 			  2 * REISERFS_QUOTA_DEL_BLOCKS(inode->i_sb));
-	if (ret)
+	if (ret) {
+		/*
+		 * We call dquot_drop() anyway to at least release references
+		 * to quota structures so that umount does not hang.
+		 */
+		dquot_drop(inode);
 		goto out;
+	}
 	ret = dquot_drop(inode);
 	err =
 	    journal_end(&th, inode->i_sb,
-- 
GitLab