>> Since at this point it's safer to rollback the change and we can
>> investigate more deeply how to fix it correctly for the next
>> development cycle, this is the patch which I'm testing.
>> - Ted
> Hello, I've tested with your patch. But the same problem was reproduced.
> Currently, I'm trying to git bisect. If i done git bisect, i will let you
> know.
Hi, I've done git bisect. and panic at jbd2_journal_put_journal_head() is
caused by
ae4647fb7654676fc44a97e86eb35f9f06b99f66: "jbd2: reduce journal_head size."
I write just code patch which revert ae4647fb7654676fc44a97e86eb35f9f06b99f66
because
I don't know the root cause.
Signed-off-by: Eunbong Song <eunb.s...@samsung.com>
---
include/linux/journal-head.h | 11 +++++++++--
1 files changed, 9 insertions(+), 2 deletions(-)
diff --git a/include/linux/journal-head.h b/include/linux/journal-head.h
index 13a3da2..c18b46f 100644
--- a/include/linux/journal-head.h
+++ b/include/linux/journal-head.h
@@ -31,14 +31,21 @@ struct journal_head {
/*
* Journalling list for this buffer [jbd_lock_bh_state()]
*/
- unsigned b_jlist:4;
+ unsigned b_jlist;
/*
* This flag signals the buffer has been modified by
* the currently running transaction
* [jbd_lock_bh_state()]
*/
- unsigned b_modified:1;
+ unsigned b_modified;
+
+ /*
+ * This feild tracks the last transaction id in which this buffer
+ * has been cowed
+ * [jbd_lock_bh_state()]
+ */
+ tid_t b_cow_tid;
/*
* Copy of the buffer data frozen for writing to the log.
--
1.7.0.4
Thanks.
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