Your commit:
[SCSI] osd_uld: Bump MAX_OSD_DEVICES from 64 to 1,048,576
It used to be that minors where 8 bit. But now they
are actually 20 bit. So the fix is simplicity itself.
I've tested with 300 devices and all user-mode utils
work just fine. I have also mechanically added 10,000
to the ida (so devices are /dev/osd10000, /dev/osd10001 ...)
and was able to mkfs an exofs filesystem and access osds
from user-mode.
All the open-osd user-mode code uses the same library
to access devices through their symbolic names in
/dev/osdX so I'd say it's pretty safe. (Well tested)
This patch is very important because some of the systems
that will be deploying the 3.2 pnfs-objects code are larger
than 64 OSDs and will stop to work properly when reaching
that number.
CC: Stable <[email protected]>
Signed-off-by: Boaz Harrosh <[email protected]>
Signed-off-by: James Bottomley <[email protected]>
has been added to the upstream scsi-rc-fixes-2.6 tree
On branch "master"
You can find it here:
http://git.kernel.org/?p=linux/kernel/git/jejb/scsi-rc-fixes-2.6.git;a=commit;h=41f8ad76362e7aefe3a03949c43e23102dae6e0b
This patch is scheduled to be pushed for 3.2
James Bottomley
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