From: Pat LaVarre <p.lavarre@ieee.org>
To: axboe@suse.de
Cc: linux-scsi@vger.kernel.org
Subject: Re: 2 KiB/block loopback found where
Date: 29 Sep 2003 11:12:50 -0600 [thread overview]
Message-ID: <1064855570.3184.3.camel@patehci2> (raw)
In-Reply-To: <20030929164654.GS15415@suse.de>
> > I want a 2 KiB/block loopback device ...
> > I get 0.5 KiB/block ...
> > 0.5 KiB divides evenly into 2 KiB.
>
> Add a quick hack to loop
> to set 2kb block size,
> grep for set_blocksize.
Great hint forward, thanks. My first guess at what we mean follows,
I'll report back to say how this goes.
Pat LaVarre
diff -Nur linux-2.6.0-test6/drivers/block/loop.c linux/drivers/block/loop.c
--- linux-2.6.0-test6/drivers/block/loop.c 2003-09-27 18:50:29.000000000 -0600
+++ linux/drivers/block/loop.c 2003-09-29 11:06:50.057826432 -0600
@@ -732,7 +732,7 @@
mapping_set_gfp_mask(inode->i_mapping,
lo->old_gfp_mask & ~(__GFP_IO|__GFP_FS));
- set_blocksize(bdev, lo_blocksize);
+ set_blocksize(bdev, 0x800); // not lo_blocksize);
lo->lo_bio = lo->lo_biotail = NULL;
next prev parent reply other threads:[~2003-09-29 17:12 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-09-22 22:55 [linux-usb-devel] Re: USB storage problems on OHCI Pat LaVarre
2003-09-29 14:54 ` Pat LaVarre
2003-09-29 15:50 ` 2 KiB/block loopback found where Pat LaVarre
2003-09-29 16:46 ` Jens Axboe
2003-09-29 17:12 ` Pat LaVarre [this message]
2003-09-29 20:02 ` Pat LaVarre
2003-10-06 17:12 ` max GiB written per boot Pat LaVarre
2003-10-06 18:12 ` writable mmc profiles actually are writable Pat LaVarre
2003-10-06 18:22 ` Jens Axboe
2003-10-06 18:25 ` Jens Axboe
2003-10-06 19:50 ` Pat LaVarre
2003-10-06 20:38 ` Jens Axboe
2003-10-06 20:58 ` Pat LaVarre
2003-10-06 22:14 ` Pat LaVarre
2003-10-06 23:56 ` Pat LaVarre
2003-10-07 5:38 ` Jens Axboe
2003-10-07 6:45 ` Matthew Dharm
2003-10-07 6:48 ` Jens Axboe
2003-10-07 7:00 ` Matthew Dharm
2003-10-07 7:04 ` Jens Axboe
2003-10-10 20:36 ` Pat LaVarre
2003-10-10 21:04 ` Pat LaVarre
2003-10-10 21:25 ` Pat LaVarre
2003-10-10 22:43 ` Pat LaVarre
2003-10-10 23:16 ` Pat LaVarre
2003-10-11 0:43 ` Pat LaVarre
2003-10-07 20:46 ` Pat LaVarre
2003-10-07 21:00 ` Jens Axboe
2003-10-09 23:01 ` Pat LaVarre
2003-10-07 7:00 ` Jens Axboe
2003-10-06 20:10 ` Pat LaVarre
2003-10-06 20:28 ` Jens Axboe
2003-10-06 20:21 ` Pat LaVarre
2003-10-06 20:33 ` Jens Axboe
2003-10-06 21:00 ` max GiB written per boot Pat LaVarre
2003-10-06 23:47 ` Pat LaVarre
2003-10-07 5:57 ` Jens Axboe
2003-10-07 22:12 ` Randy.Dunlap
2003-10-07 22:57 ` Willem Riede
2003-10-08 1:27 ` Randy.Dunlap
2003-10-08 4:34 ` Randy.Dunlap
2003-10-08 6:44 ` Jens Axboe
2003-10-09 21:59 ` Pat LaVarre
2003-10-10 20:54 ` Pat LaVarre
2003-10-07 0:51 ` 2 KiB/block loopback found where Pat LaVarre
2003-09-29 17:55 ` aligned /dev/scd$n reads less rare how Pat LaVarre
2003-09-29 19:39 ` zip of GiB cross-platform Pat LaVarre
2003-09-29 19:50 ` Matthew Wilcox
2003-09-29 19:56 ` Pat LaVarre
2003-10-24 14:41 ` aligned /dev/scd$n reads less rare how Pat LaVarre
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