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:2.737 / U:0.516 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site