lkml.org 
[lkml]   [2003]   [Jan]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
SubjectRe: Solved 2.4.21-pre3aa1 and RAID-0 issue (was: Re: 2.4.21-pre3aa1 and RAID0 issue]
On Mon, Jan 27 2003, Srihari Vijayaraghavan wrote:
> Hello Andrea,
>
> On Thursday 23 January 2003 01:02, Srihari Vijayaraghavan wrote:
> > ...
> > Ok. I did some more testing, and this is what happens:
> > /sbin/raidstart /dev/md0 executes and exits fine under 2.4.21-pre3. Where
> > as under 2.4.21-pre3aa1 it starts executing but _never_ exits (I waited for
> > few minutes). I had to kill it using alt + sysrq + k.
> > ...
>
> The 9985_blk-atomic-aa5 patch is causing this regression. Backing this patch
> out of 2.4.21-pre3aa1 makes it to work nicely with Software RAID-0.

Could you please try this patch on top of 2.4.21-pre3aa1 instead of
backing out blk-atomic? Does that work, too? Thanks!

===== drivers/md/md.c 1.38 vs edited =====
--- 1.38/drivers/md/md.c Thu Jan 16 00:15:01 2003
+++ edited/drivers/md/md.c Mon Jan 27 12:23:41 2003
@@ -494,6 +494,7 @@
bh.b_page = page;
bh.b_reqnext = NULL;
bh.b_data = page_address(page);
+ bh.b_elv_sequence = 0;
generic_make_request(rw, &bh);

run_task_queue(&tq_disk);
===== drivers/md/raid1.c 1.15 vs edited =====
--- 1.15/drivers/md/raid1.c Sat Aug 31 02:20:48 2002
+++ edited/drivers/md/raid1.c Mon Jan 27 12:27:44 2003
@@ -686,6 +686,7 @@
mbh->b_list = BUF_LOCKED;
mbh->b_end_io = raid1_end_request;
mbh->b_private = r1_bh;
+ mbh->b_elv_sequence = bh->b_elv_sequence;

mbh->b_next = r1_bh->mirror_bh_list;
r1_bh->mirror_bh_list = mbh;
@@ -1456,6 +1457,7 @@
bh->b_private = r1_bh;
bh->b_blocknr = sector_nr;
bh->b_rsector = sector_nr;
+ bh->b_elv_sequence = 0;
init_waitqueue_head(&bh->b_wait);

generic_make_request(READ, bh);
--
Jens Axboe

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:32    [W:0.064 / U:10.936 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site