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jbd2: fix /proc/fs/jbd2/<dev> when using an external journal

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In jbd2_journal_init_dev(), we need make sure the journal structure is
fully initialzied before calling jbd2_stats_proc_init().

Reviewed-by: Andreas Dilger <andreas.dilger@oracle.com>
Signed-off-by: yangsheng <sheng.yang@oracle.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
yangsheng 2010-11-17 21:46:26 -05:00 committed by Theodore Ts'o
parent f4c8cc652d
commit 0587aa3d11
1 changed files with 8 additions and 8 deletions
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16
fs/jbd2/journal.c
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@ -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) {