[PATCH 0/1] Option for scsi_debug to fake removable devices

[Martin Pitt <martin.pitt@ubuntu.com>]

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Hello all,

For the purposes of automatically testing udisks and gvfs automounting
I would like to add a parameter to scsi_debug to control the
"removable" attribute of the created block device. With that, we can
test system-internal and removable drives, as well as CD-ROMs (which
scsi_debug can already emulate). udisks requires different privileges
for mounting system-internal drives vs.  removable/hotpluggable
drives.

I wrote a simple kernel patch for this (against linux-next), and
tested this quite thoroughly.

I ran the style checker, and it reports two problems:

------------ 8< --------------
WARNING: line over 80 characters
#109: FILE: drivers/scsi/scsi_debug.c:3255:
+       ret |= driver_create_file(&sdebug_driverfs_driver, &driver_attr_removable);

WARNING: Prefer pr_err(... to printk(KERN_ERR, ...
#126: FILE: drivers/scsi/scsi_debug.c:3353:
+               printk(KERN_ERR "scsi_debug_init: removable must be 0 or 1\n");
------------ 8< --------------

But as the existing code uses this style in the adjacent lines, I
favored consistency over fixing those. If the latter is desired, I'd
rather send a separate patch with just the style cleanup for the whole
file.

I got a signoff from David Zeuthen (the primary udisks maintainer)
already, noted so in the patch.

Thank you in advance for considering,

Martin

-- 
Martin Pitt                        | http://www.piware.de
Ubuntu Developer (www.ubuntu.com)  | Debian Developer  (www.debian.org)

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