/usr/src/kernel-patches/lustre/patches/jbd2_stats_proc_init-wrong-place.patch is in linux-patch-lustre 1.8.5+dfsg-3ubuntu1.
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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
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