[lkml]   [2004]   [Jan]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: Possibly wrong BIO usage in ide_multwrite
On Mon, Jan 05 2004, Bartlomiej Zolnierkiewicz wrote:
> > calling end_request with a null sector count, ide_end_request will then
> > take hard_nr_sectors which will end the whole request even if only one
> > bio was finished, huh? Am I missing something here?
> No, it is used mainly to fail requests.
> This hack should be later removed with care
> (there is some strange comment about locking).

IIRC, it's due to it not always being safe to inspect rq state outside
of ide_lock. So that makes 0 a magic value that just means 'end the
first chunk' for ide_end_request().

Jens Axboe

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2005-03-22 13:59    [W:0.051 / U:20.596 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site