lkml.org 
[lkml]   [2006]   [Mar]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] bsg, block layer sg
Jens Axboe wrote:
> Hi,
>
> After all that SG_IO and cdrecord talk, I decided to brush off the bsg
> driver I wrote some time ago. Basically this is a full (aims to be at
> least, probably still some minor bits missing) SG v3 interface. It
> supports both SG_IO (which we just pass through for now), as well as
> read/write and readv/writev of sg_io_hdr structures.
>
> What's new in this area is that the bsg character device is closely tied
> to the block device. This relationsship is depicted in sysfs. bsg
> devices will show up in /sys/class/bsg/<devname>, and there is a link
> from /sys/block/<devname>/queue/bsg to that directory. With some
> udev/hotplug magic, it should create device nodes for you automatically.
>
> TODO:
>
> - Fold block/scsi_ioctl.c and block/bsg.c into one
> - Further improve the sysfs relations between a device and bsg
> - Test and so on
>
> Probably some bugs still pending, it works for me though.

For my part, this gets a strong ACK. I've been waiting for something
like this since an OLS discussion years ago.

Thanks Jens!

Jeff



-
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: 2006-03-02 12:25    [W:0.704 / U:0.108 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site