b=23985 Fix upstream jbd2 issue.

The jbd2_stats_proc_init() was placed on wrong location in
jbd2_journal_init_dev().  This may cause /proc/fs/jdb2/<dev>/*
cannot be created when using external journal device.

i=adilger
i-johann

diff --git a/lustre/kernel_patches/patches/jbd2_stats_proc_init-wrong-place.patch b/lustre/kernel_patches/patches/jbd2_stats_proc_init-wrong-place.patch
new file mode 100644 (file)
index 0000000..a37c894
--- /dev/null
+++ b/lustre/kernel_patches/patches/jbd2_stats_proc_init-wrong-place.patch
@@ -0,0 +1,53 @@
+From 42e140bf105aea1c9679b1cd128aebc35196e6fc Mon Sep 17 00:00:00 2001
+From: yangsheng <sheng.yang@oracle.com>
+Date: Mon, 15 Nov 2010 21:26:35 +0800
+Subject: [PATCH]  jbd2_stats_proc_init wrong place.
+
+ The jbd2_stats_proc_init() was placed on wrong location in
+ jbd2_journal_init_dev().  This may cause /proc/fs/jdb2/<dev>/*
+ cannot be created when using external journal device.
+
+ Reviewed-by: Andreas Dilger <andreas.dilger@oracle.com>
+
+---
+---
+ fs/jbd2/journal.c |   16 ++++++++--------
+ 1 files changed, 8 insertions(+), 8 deletions(-)
+
+diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
+index c590d15..f837ba9 100644
+--- a/fs/jbd2/journal.c
++++ b/fs/jbd2/journal.c
+@@ -899,6 +899,14 @@ journal_t * jbd2_journal_init_dev(struct block_device *bdev,
+ 
+       /* journal descriptor can store up to n blocks -bzzz */
+       journal->j_blocksize = blocksize;
++      journal->j_dev = bdev;
++      journal->j_fs_dev = fs_dev;
++      journal->j_blk_offset = start;
++      journal->j_maxlen = len;
++      bdevname(journal->j_dev, journal->j_devname);
++      p = journal->j_devname;
++      while ((p = strchr(p, '/')))
++              *p = '!';
+       jbd2_stats_proc_init(journal);
+       n = journal->j_blocksize / sizeof(journal_block_tag_t);
+       journal->j_wbufsize = n;
+@@ -908,14 +916,6 @@ journal_t * jbd2_journal_init_dev(struct block_device *bdev,
+                       __func__);
+               goto out_err;
+       }
+-      journal->j_dev = bdev;
+-      journal->j_fs_dev = fs_dev;
+-      journal->j_blk_offset = start;
+-      journal->j_maxlen = len;
+-      bdevname(journal->j_dev, journal->j_devname);
+-      p = journal->j_devname;
+-      while ((p = strchr(p, '/')))
+-              *p = '!';
+ 
+       bh = __getblk(journal->j_dev, start, journal->j_blocksize);
+       if (!bh) {
+-- 
+1.7.2.3
+

diff --git a/lustre/kernel_patches/series/2.6-rhel5.series b/lustre/kernel_patches/series/2.6-rhel5.series
index 2d1a634..240695b 100644 (file)
--- a/lustre/kernel_patches/series/2.6-rhel5.series
+++ b/lustre/kernel_patches/series/2.6-rhel5.series
@@ -27,3 +27,4 @@ jbd2-jcberr-2.6-rhel5.patch
 jbd2-commit-timer-no-jiffies-rounding.diff
 md-avoid-bug_on-when-bmc-overflow.patch
 export-symbols-for-dmu.patch
+jbd2_stats_proc_init-wrong-place.patch