Mailing List Archive: blktap2 and blktap2-new

blktap2 and blktap2-new

Dec 24, 2012, 10:44 PM

Post #1 of 3 (156 views)

Hello. I found, that opensuse kernel-xen have two blktap2 modules. One
blktap2 and other blktap-new. What is difference and why needed two
modules (blktap2-new created by suse/opensuse patches)

xen10:~ # modinfo xen-blktap
filename:
/lib/modules/3.6.9-1-xen/kernel/drivers/xen/blktap2-new/xen-blktap.ko
alias: xen-backend:tap2
alias: devname:xen/blktap-2/control
license: Dual BSD/GPL
srcversion: A4659328DBBF5A422315CA5
depends:
intree: Y
vermagic: 3.6.9-1-xen SMP mod_unload modversions Xen
xen10:~ # modinfo blktap2
filename: /lib/modules/3.6.9-1-xen/kernel/drivers/xen/blktap2/blktap2.ko
alias: xen-backend:tap2
alias: devname:xen/blktap-2/control
license: Dual BSD/GPL
srcversion: 8C21A63E6BCEEFFAD2B0DDA
depends: blkback-pagemap
intree: Y
vermagic: 3.6.9-1-xen SMP mod_unload modversions Xen

--
Vasiliy Tolstov,
Clodo.ru
e-mail: v.tolstov@selfip.ru
jabber: vase@selfip.ru

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Re: blktap2 and blktap2-new [ In reply to ]

jbeulich at suse

Dec 27, 2012, 11:33 AM

Post #2 of 3 (149 views)

Permalink

>>> Vasiliy Tolstov <v.tolstov@selfip.ru> 12/25/12 7:46 AM >>>
>Hello. I found, that opensuse kernel-xen have two blktap2 modules. One
>blktap2 and other blktap-new. What is difference and why needed two
>modules (blktap2-new created by suse/opensuse patches)

If you looked at the sources, you certainly saw the comments at the top of
the respective patches - the two drivers come from different sources, but
are supposed to fulfill the same function.

Also, for the future I'd recommend asking openSUSE related questions on
openSUSE mailing lists.

Jan

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Re: blktap2 and blktap2-new [ In reply to ]

v.tolstov at selfip

Dec 27, 2012, 11:55 PM

Post #3 of 3 (145 views)

Permalink

Ok. Thanks!

2012/12/27 Jan Beulich <jbeulich@suse.com>:
>>>> Vasiliy Tolstov <v.tolstov@selfip.ru> 12/25/12 7:46 AM >>>
>>Hello. I found, that opensuse kernel-xen have two blktap2 modules. One
>>blktap2 and other blktap-new. What is difference and why needed two
>>modules (blktap2-new created by suse/opensuse patches)
>
> If you looked at the sources, you certainly saw the comments at the top of
> the respective patches - the two drivers come from different sources, but
> are supposed to fulfill the same function.
>
> Also, for the future I'd recommend asking openSUSE related questions on
> openSUSE mailing lists.
>
> Jan
>

--
Vasiliy Tolstov,
Clodo.ru
e-mail: v.tolstov@selfip.ru
jabber: vase@selfip.ru

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