From: Hans Reiser <reiser@namesys.com>
To: LKML <linux-kernel@vger.kernel.org>, vs <vs@thebsh.namesys.com>,
Andrew Morton <akpm@osdl.org>
Subject: [Fwd: [PATCH 5/8] reiser4-lock-ordering-fix.patch]
Date: Wed, 16 Nov 2005 00:57:18 -0800 [thread overview]
Message-ID: <437AF46E.70400@namesys.com> (raw)
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[-- Attachment #2: [PATCH 5/8] reiser4-lock-ordering-fix.patch --]
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From: Alex Zarochentsev <zam@namesys.com>
This patch fixes broken lock ordering.
Signed-off-by: Vladimir V. Saveliev <vs@namesys.com>
fs/reiser4/txnmgr.c | 2 ++
1 files changed, 2 insertions(+)
diff -puN fs/reiser4/txnmgr.c~reiser4-lock-ordering-fix fs/reiser4/txnmgr.c
--- linux-2.6.14-mm2/fs/reiser4/txnmgr.c~reiser4-lock-ordering-fix 2005-11-15 17:18:42.000000000 +0300
+++ linux-2.6.14-mm2-vs/fs/reiser4/txnmgr.c 2005-11-15 17:18:42.000000000 +0300
@@ -2256,7 +2256,9 @@ static void fuse_not_fused_lock_owners(t
spin_lock_atom(atomh);
}
if (atomh == atomf || !atom_isopen(atomh) || !atom_isopen(atomf)) {
+ spin_unlock_atom(atomf);
atom_dec_and_unlock(atomh);
+ spin_lock_atom(atomf);
atom_dec_and_unlock(atomf);
goto repeat;
}
_
reply other threads:[~2005-11-16 8:57 UTC|newest]
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