Andreas Dilger wrote:
On 2009-11-06, at 19:33, Theodore Tso wrote:
...
I'd also be interested to see the "write shadow buffer to journal"
one-line patch that was discussed in the bug.
Which patch are you referring to?
In bugzilla there was a comment from Chris:
"Eric helped prove this is the case by testing a patch that always
crcs and writes a stable duplicate of the metadata buffer instead
of the metadata buffer itself (a one liner since the log code was
already setup for this)."
Like this:
diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index b0ab521..75dd58f 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -353,7 +353,7 @@ repeat:
/*
* Do we need to do a data copy?
*/
- if (need_copy_out && !done_copy_out) {
+ if (!done_copy_out) {
char *tmp;
jbd_unlock_bh_state(bh_in);
--
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