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Backport proper upstream version of fix for IMSM RAID assembly problem,

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which resolves issues when booting off sysvinit based system.

Resolves: bz736387 (Fedora 15) bz744217 (Fedora 16)

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
This commit is contained in:
Jes Sorensen 2011-10-22 10:58:41 +02:00
parent 2e29e0e588
commit 3010f9bec6
2 changed files with 34 additions and 20 deletions
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43
mdadm-3.2.2-Remove-race-for-starting-container-devices.patch
View File

@ -1,14 +1,21 @@
From 50177a4bbed446087dd2529b5518697f2f69de08 Mon Sep 17 00:00:00 2001
From: Jes Sorensen <Jes.Sorensen@redhat.com>
Date: Thu, 13 Oct 2011 19:35:07 +0200
Subject: [PATCH 1/3] Remove race for starting container devices.
commit 5fc8cff3a4177dfbab594947283117620b4b8c9c
Author: Jes Sorensen <Jes.Sorensen@redhat.com>
Date: Sat Oct 22 11:29:47 2011 +1100
This moves the lock handling out of Incremental_container() and relies
on the caller holding the lock. This prevents conflict with a
follow-on mdadm comment which may try and launch the device in
parallel.
Remove race for starting container devices.
This moves the lock handling out of Incremental_container() and relies
on the caller holding the lock. This prevents conflict with a
follow-on mdadm comment which may try and launch the device in
parallel.
This involves replacing a call to "Incremental" with an
unrolled version with just the case that calls Incremental_container
and so needs a call to ->load_container.
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
---
Incremental.c | 22 ++++++++++++----------
1 files changed, 12 insertions(+), 10 deletions(-)
@ -17,7 +24,7 @@ diff --git a/Incremental.c b/Incremental.c
index 14184da..9fa6800 100644
--- a/Incremental.c
+++ b/Incremental.c
@@ -138,9 +138,15 @@ int Incremental(char *devname, int verbose, int runstop,
@@ -138,9 +138,15 @@
rv = st->ss->load_container(st, dfd, NULL);
close(dfd);
@ -36,7 +43,7 @@ index 14184da..9fa6800 100644
fprintf(stderr, Name ": %s is not part of an md array.\n",
devname);
@@ -440,7 +446,6 @@ int Incremental(char *devname, int verbose, int runstop,
@@ -438,7 +444,6 @@
if (info.array.level == LEVEL_CONTAINER) {
int devnum = devnum; /* defined and used iff ->external */
/* Try to assemble within the container */
@ -44,19 +51,24 @@ index 14184da..9fa6800 100644
sysfs_uevent(&info, "change");
if (verbose >= 0)
fprintf(stderr, Name
@@ -451,8 +456,9 @@ int Incremental(char *devname, int verbose, int runstop,
@@ -447,10 +452,14 @@
wait_for(chosen_name, mdfd);
if (st->ss->external)
devnum = fd2devnum(mdfd);
+ if (st->ss->load_container)
+ rv = st->ss->load_container(st, mdfd, NULL);
close(mdfd);
sysfs_free(sra);
- rv = Incremental(chosen_name, verbose, runstop,
- NULL, homehost, require_homehost, autof);
+ if (!rv)
+ rv = Incremental_container(st, chosen_name, homehost,
+ verbose, runstop, autof);
+ map_unlock(&map);
if (rv == 1)
/* Don't fail the whole -I if a subarray didn't
* have enough devices to start yet
@@ -1462,9 +1468,6 @@ static int Incremental_container(struct supertype *st, char *devname,
@@ -1460,9 +1469,6 @@
trustworthy = FOREIGN;
list = st->ss->container_content(st, NULL);
@ -66,7 +78,7 @@ index 14184da..9fa6800 100644
/* do not assemble arrays that might have bad blocks */
if (list->array.state & (1<<MD_SB_BBM_ERRORS)) {
fprintf(stderr, Name ": BBM log found in metadata. "
@@ -1602,7 +1605,6 @@ static int Incremental_container(struct supertype *st, char *devname,
@@ -1600,7 +1606,6 @@
close(sfd);
}
domain_free(domains);
@ -74,6 +86,3 @@ index 14184da..9fa6800 100644
return 0;
}
--
1.7.6.4

7
mdadm.spec
View File

@ -1,7 +1,7 @@
Summary: The mdadm program controls Linux md devices (software RAID arrays)
Name: mdadm
Version: 3.2.2
Release: 11%{?dist}
Release: 12%{?dist}
Source: http://www.kernel.org/pub/linux/utils/raid/mdadm/mdadm-%{version}.tar.bz2
Source1: mdmonitor.init
Source2: raid-check
@ -139,6 +139,11 @@ fi
%{_initrddir}/*
%changelog
* Sat Oct 22 2011 Jes Sorensen <Jes.Sorensen@redhat.com> - 3.2.2-12
- Backport upstream version of fix for IMSM RAID assembly problem,
which resolves issues when booting off sysvinit based system.
- Resolves: bz736387 (Fedora 15) bz744217 (Fedora 16)
* Wed Oct 19 2011 Jes Sorensen <Jes.Sorensen@redhat.com> - 3.2.2-11
- Fix systemd dependency problem
- Resolves: bz741115 (F16) bz744226 (rawhide)