Hi Christoph,
On 5/17/07, Christoph Hellwig <[email protected]> wrote:
On Thu, May 17, 2007 at 11:11:10PM +0530, Satyam Sharma wrote:
> Another command to /proc/scsi/scsi isn't a bad thought at all, considering
Yes it is. /proc/scsi/scsi is a horrible interface and deprecated since
the start of the 2.6 series.
What I have in mind is actually this: We implement commands to
trigger the scsi_complete_async_scans() using *both* the
(legacy, agreed) /proc/scsi/scsi interface _and_ using a sysfs
attribute for this (either in /sys/module/scsi_mod/parameter/, using
a module_param_call as Roland suggested, or, create a new
/sys/module/scsi_mod/<whatever>/wait_..., whatever is appropriate).
/proc/scsi/scsi is now deprecated _because_ the sysfs alternative
became available, after all (we couldn't pull functionality /
interfaces previously exposed to userspace from under them
without giving equivalent alternatives anyway).
However, Ben does have a point that we shouldn't force those
using SCSI (and wishing to use the new async scanning
feature) to depend on and use sysfs too, so those like him could
use /proc/scsi/scsi. The idea is that with time sysfs gets its act
together and thus becomes standard enough on all Linux boxen
(much like /proc is today), and those like Ben could later switch
to that.
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