Linux 3.3-rc4-git1 (upstream 27e74da9800289e69ba907777df1e2085231eff7)
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Josh Boyer
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Path: news.gmane.org!not-for-mail
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From: Ian Kent <raven@themaw.net>
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Newsgroups: gmane.linux.kernel
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Subject: [PATCH] autofs4 - fix lockdep splat in autofs
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Date: Mon, 22 Aug 2011 11:52:28 +0800
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Lines: 35
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Approved: news@gmane.org
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Message-ID: <20110822035228.13189.62994.stgit@perseus.themaw.net>
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NNTP-Posting-Date: Mon, 22 Aug 2011 04:02:10 +0000 (UTC)
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Cc: Kernel Mailing List <linux-kernel@vger.kernel.org>,
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Steven Rostedt <rostedt@goodmis.org>
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To: Al Viro <viro@ZenIV.linux.org.uk>
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Original-X-From: linux-kernel-owner@vger.kernel.org Mon Aug 22 06:02:05 2011
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From: Steven Rostedt <rostedt@goodmis.org>
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When recursing down the locks when traversing a tree/list in
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get_next_positive_dentry() or get_next_positive_subdir() a lock can
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change from being nested to being a parent which breaks lockdep. This
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patch tells lockdep about what we did.
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Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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Acked-by: Ian Kent <raven@themaw.net>
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---
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fs/autofs4/expire.c | 2 ++
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1 files changed, 2 insertions(+), 0 deletions(-)
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diff --git a/fs/autofs4/expire.c b/fs/autofs4/expire.c
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index 450f529..1feb68e 100644
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--- a/fs/autofs4/expire.c
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+++ b/fs/autofs4/expire.c
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@@ -124,6 +124,7 @@ start:
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/* Negative dentry - try next */
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if (!simple_positive(q)) {
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spin_unlock(&p->d_lock);
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+ lock_set_subclass(&q->d_lock.dep_map, 0, _RET_IP_);
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p = q;
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goto again;
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}
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@@ -186,6 +187,7 @@ again:
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/* Negative dentry - try next */
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if (!simple_positive(ret)) {
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spin_unlock(&p->d_lock);
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+ lock_set_subclass(&ret->d_lock.dep_map, 0, _RET_IP_);
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p = ret;
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goto again;
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}
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13
kernel.spec
13
kernel.spec
@ -54,7 +54,7 @@ Summary: The Linux kernel
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# For non-released -rc kernels, this will be appended after the rcX and
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# For non-released -rc kernels, this will be appended after the rcX and
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# gitX tags, so a 3 here would become part of release "0.rcX.gitX.3"
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# gitX tags, so a 3 here would become part of release "0.rcX.gitX.3"
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#
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#
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%global baserelease 3
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%global baserelease 1
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%global fedora_build %{baserelease}
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%global fedora_build %{baserelease}
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# base_sublevel is the kernel version we're starting with and patching
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# base_sublevel is the kernel version we're starting with and patching
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@ -87,7 +87,7 @@ Summary: The Linux kernel
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# The rc snapshot level
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# The rc snapshot level
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%define rcrev 4
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%define rcrev 4
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# The git snapshot level
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# The git snapshot level
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%define gitrev 0
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%define gitrev 1
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# Set rpm version accordingly
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# Set rpm version accordingly
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%define rpmversion 3.%{upstream_sublevel}.0
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%define rpmversion 3.%{upstream_sublevel}.0
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%endif
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%endif
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@ -764,9 +764,6 @@ Patch21234: Bluetooth-Remove-bogus-inline-decl-from-l2cap_chan_connect.patch
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Patch21235: scsi-sd_revalidate_disk-prevent-NULL-ptr-deref.patch
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Patch21235: scsi-sd_revalidate_disk-prevent-NULL-ptr-deref.patch
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Patch21236: scsi-fix-sd_revalidate_disk-oops.patch
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Patch21236: scsi-fix-sd_revalidate_disk-oops.patch
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#rhbz 714828
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Patch21240: autofs4-lockdep.patch
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Patch21250: mcelog-rcu-splat.patch
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Patch21250: mcelog-rcu-splat.patch
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Patch21260: x86-Avoid-invoking-RCU-when-CPU-is-idle.patch
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Patch21260: x86-Avoid-invoking-RCU-when-CPU-is-idle.patch
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@ -1488,9 +1485,6 @@ ApplyPatch Bluetooth-Remove-bogus-inline-decl-from-l2cap_chan_connect.patch
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ApplyPatch scsi-sd_revalidate_disk-prevent-NULL-ptr-deref.patch
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ApplyPatch scsi-sd_revalidate_disk-prevent-NULL-ptr-deref.patch
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ApplyPatch scsi-fix-sd_revalidate_disk-oops.patch
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ApplyPatch scsi-fix-sd_revalidate_disk-oops.patch
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#rhbz 714828
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ApplyPatch autofs4-lockdep.patch
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ApplyPatch mcelog-rcu-splat.patch
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ApplyPatch mcelog-rcu-splat.patch
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ApplyPatch x86-Avoid-invoking-RCU-when-CPU-is-idle.patch
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ApplyPatch x86-Avoid-invoking-RCU-when-CPU-is-idle.patch
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@ -2371,6 +2365,9 @@ fi
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# ||----w |
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# ||----w |
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# || ||
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# || ||
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%changelog
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%changelog
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* Tue Feb 21 2012 Josh Boyer <jwboyer@redhat.com> - 3.3.0-0.rc4.git1.1
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- Linux 3.3-rc4-git1 (upstream 27e74da9800289e69ba907777df1e2085231eff7)
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* Mon Feb 20 2012 Dave Jones <davej@redhat.com>
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* Mon Feb 20 2012 Dave Jones <davej@redhat.com>
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- Do not call drivers when invalidating partitions for -ENOMEDIUM
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- Do not call drivers when invalidating partitions for -ENOMEDIUM
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1
sources
1
sources
@ -1,3 +1,4 @@
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364066fa18767ec0ae5f4e4abcf9dc51 linux-3.2.tar.xz
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364066fa18767ec0ae5f4e4abcf9dc51 linux-3.2.tar.xz
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35f3b51bfd9bd47a939753e68d49ca00 patch-3.3-rc4.xz
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35f3b51bfd9bd47a939753e68d49ca00 patch-3.3-rc4.xz
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02c210a8fd24acca8c1ac93f6f1d3913 compat-wireless-2012-02-05.tar.bz2
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02c210a8fd24acca8c1ac93f6f1d3913 compat-wireless-2012-02-05.tar.bz2
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203dba5a7d0c299a18fafdc8aaf70625 patch-3.3-rc4-git1.xz
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