Re: [PATCHSET 0/5 v2] brd: partition fixes
From: Dmitry Monakhov
Date: Wed Aug 27 2014 - 11:45:57 EST
On Wed, 27 Aug 2014 18:22:21 +0300, Boaz Harrosh <boaz@xxxxxxxxxxxxx> wrote:
> Jens Hi
> What do you intend to do with these fixes? These are real bugs on devices
> shipped for a while now. I think they need to go into current 3.17-rcX Kernel.
> If not then lets please put them in for-next
> [This set is for linux-block.git/for-next, tell me if you need one ontop
> of for-linus]
It looks like I've missed your context. Please elaborate your use-case
> Based on Jens's linux-next [30e996a] incorporating the brd patch by Dmitry Monakhov.
> Dmitry has introduced a new part_show parameter, this parameter is now
In which commit or kernel-tree this parameter was removed?
> and we always "part_show=1".
> Scripts that did part_show=1 will work just the same but will display a
> message in logs. This is harmless. (And scripts can be modified to
> remove this parameter)
Which script are you talking about? Why you want use it?
> Current situation is that any attempt to use partitions with brd device would
> create the partition but then any use will trash the data.
> See: http://www.spinics.net/lists/linux-scsi/msg76737.html
> So these patches fixes up all the problems we saw with the code, but not sacrificing
> any of the old fixtures. See [patch 4/5] for more explanations.
> list of patches:
> [PATCH 1/5] axonram: Fix bug in direct_access
> [PATCH 2/5] Change direct_access calling convention
> These are Matthew's patches from the DAX series which fixes the interface to
> direct_access taking into account the partition offset. It must be applied
> here for partitions to work with direct_access() API.
> [PATCH 3/5] brd: Add getgeo to block ops
> This one is needed by fdisk, otherwise it just asks extra questions
> [PATCH 4/5] brd: Fix all partitions BUGs
> [PATCH 5/5] brd: Request from fdisk 4k alignment
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