Re: [SCSI] fix media change events for polled devices

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James Bottomley wrote:
On Fri, 2008-03-21 at 10:31 -0700, Linus Torvalds wrote:
On Fri, 21 Mar 2008, Jeff Garzik wrote:
And that is the fix -- initialize supported_events according to sr/sd's needs,
and revert this change (4d1566ed2100d074ccc654e5cf2e44cdea3a01d0) as obviously
broken.
Patches, please? I can do the revert, but the patch to supported_events and the testing, please?

I tested this and discussed it with Kristen before it went in.  The
current fix you sucked in with scsi-rc-fixes basically makes the whole
lot work for 2.6.25 (both AN media change events and traditional polled
ones).  The thing that doesn't work is the ability to turn off AN events
from user space, but that feature never worked anyway.

Not true.  Change the perm with chmod...

But furthermore, change 4d1566ed renders the userspace interface /inconsistent/ even for the read-only case that we all acknowledge _does_ work.

IOW, after your "fix", the userspace interface gives an incorrect picture of what events are/are not masked.


If you don't have the time to complete work on

	commit 285e9670d91cdeb6b6693729950339cb45410fdc
	Author: Kay Sievers <kay.sievers@xxxxxxxx>
	Date:   Tue Aug 14 14:10:39 2007 +0200

	    [SCSI] sr,sd: send media state change modification events

then revert _that_.

Don't break my patch, just because yours (which came _after_ mine) doesn't work.

	Jeff


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