Luben Tuikov <luben@splentec.com> wrote:
>
> The following patch fixes a kernel oops when doing
> blk_unplug_work() (oopses in generic_unplug_device()) for md.
>
> The oops and the original report are here:
> http://MARC.10East.com/?l=linux-kernel&m=104706400705154&w=2
>
Yup, is a bug. I received the below fix from Neil today which looks
simpler.
diff -puN drivers/block/ll_rw_blk.c~auto-unplugging-fix drivers/block/ll_rw_blk.c
--- 25/drivers/block/ll_rw_blk.c~auto-unplugging-fix Tue Mar 11 15:04:00 2003
+++ 25-akpm/drivers/block/ll_rw_blk.c Tue Mar 11 15:04:00 2003
@@ -1004,7 +1004,8 @@ void generic_unplug_device(void *data)
static void blk_unplug_work(void *data)
{
- generic_unplug_device(data);
+ request_queue_t *q = data;
+ q->unplug_fn(q);
}
static void blk_unplug_timeout(unsigned long data)
_
-
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This archive was generated by hypermail 2b29 : Sat Mar 15 2003 - 22:00:28 EST