lkml.org 
[lkml]   [2004]   [Sep]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] New QStor SATA/RAID Driver for 2.6.9-rc2
On Tue, Sep 14, 2004 at 02:25:35PM -0400, James Bottomley wrote:
> Sleeping in the eh paths is fine (as long as you drop the locks that the
> EH thread has uselessly taken for you). Indeed it's often required
> since the return is supposed to tell the eh thread whether the action
> was successful or not.

I'm not sure this true for all arches?

The lock is taken in the SCSI layer with spin_lock_irqsave(), but the
low-level driver cannot perform the exact opposite,
spin_unlock_irqrestore(). The best they can do is spin_lock_irq(),
which isnt 100% the same.

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: 2005-03-22 14:06    [W:0.078 / U:0.120 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site