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From: Boaz Harrosh <boaz@plexistor.com>
To: Ross Zwisler <ross.zwisler@linux.intel.com>
Cc: Jens Axboe <axboe@fb.com>,
	Matthew Wilcox <matthew.r.wilcox@intel.com>,
	linux-fsdevel <linux-fsdevel@vger.kernel.org>,
	linux-nvdimm@lists.01.org,
	Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH 2/9] SQUASHME: pmem: Request from fdisk 4k alignment
Date: Sun, 14 Sep 2014 14:25:36 +0300	[thread overview]
Message-ID: <54157B30.5000605@plexistor.com> (raw)
In-Reply-To: <1410460745.2424.1.camel@rzwisler-mobl1.amr.corp.intel.com>

On 09/11/2014 09:39 PM, Ross Zwisler wrote:
<>
> 
> I've tested this a bit using the version of fdisk found in Fedora (fdisk from
> util-linux 2.24.2), which I believe is what you are using.
> 
> So far I can't come up with a case where fdisk does the wrong thing without
> this patch and the right thing with it.  Can you please provide me more
> details on the use case that you are trying to fix?
> 

Try 4M disk for one.

And have you really tested? Do you always get a start sector aligned on 8 (4k) ?
Well I do not, I easily get partition start sectors not aligned on 8.

Note that fdisk will allow me to set none-4k-aligened start and size but at least
with this patch it will not suggest them

> - Ross
> 
> 

Thanks
Boaz


  reply	other threads:[~2014-09-14 11:25 UTC|newest]

Thread overview: 63+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-08-27 21:11 [PATCH 0/4] Add persistent memory driver Ross Zwisler
2014-08-27 21:11 ` [PATCH 1/4] pmem: Initial version of " Ross Zwisler
2014-09-09 16:23   ` [PATCH v2] " Boaz Harrosh
2014-09-09 16:53     ` [Linux-nvdimm] " Dan Williams
2014-09-10 13:23       ` Boaz Harrosh
2014-09-10 17:03         ` Dan Williams
2014-09-10 17:47           ` Boaz Harrosh
2014-09-10 23:01             ` Dan Williams
2014-09-11 10:45               ` Boaz Harrosh
2014-09-11 16:31                 ` Dan Williams
2014-09-14 11:18                   ` Boaz Harrosh
2014-09-16 13:54                     ` Jeff Moyer
2014-09-16 16:24                       ` Boaz Harrosh
2014-09-19 16:27                       ` Dan Williams
2014-09-21  9:27                         ` Boaz Harrosh
2014-11-02  3:22   ` [PATCH 1/4] " Elliott, Robert (Server Storage)
2014-11-03 15:50     ` Jeff Moyer
2014-11-03 16:19     ` Wilcox, Matthew R
2014-11-04 10:37       ` Boaz Harrosh
2014-11-04 16:26         ` Elliott, Robert (Server Storage)
2014-11-04 16:41           ` Ross Zwisler
2014-11-04 17:06             ` Boaz Harrosh
2014-08-27 21:12 ` [PATCH 2/4] pmem: Add support for getgeo() Ross Zwisler
2014-11-02  3:27   ` Elliott, Robert (Server Storage)
2014-11-03 16:36     ` Wilcox, Matthew R
2014-08-27 21:12 ` [PATCH 3/4] pmem: Add support for rw_page() Ross Zwisler
2014-08-27 21:12 ` [PATCH 4/4] pmem: Add support for direct_access() Ross Zwisler
2014-09-09 15:37 ` [PATCH 0/9] pmem: Fixes and farther development (mm: add_persistent_memory) Boaz Harrosh
2014-09-09 15:40   ` [PATCH 1/9] SQUASHME: pmem: Remove unused #include headers Boaz Harrosh
2014-09-09 22:29     ` Ross Zwisler
2014-09-10 11:36       ` Boaz Harrosh
2014-09-10 19:16       ` [Linux-nvdimm] " Matthew Wilcox
2014-09-11 11:35         ` Boaz Harrosh
2014-09-11 19:34           ` Matthew Wilcox
2014-09-09 15:41   ` [PATCH 2/9] SQUASHME: pmem: Request from fdisk 4k alignment Boaz Harrosh
2014-09-11 18:39     ` Ross Zwisler
2014-09-14 11:25       ` Boaz Harrosh [this message]
2014-09-09 15:43   ` [PATCH 3/9] SQUASHME: pmem: Let each device manage private memory region Boaz Harrosh
2014-09-11 20:35     ` Ross Zwisler
2014-09-09 15:44   ` [PATCH 4/9] SQUASHME: pmem: Support of multiple memory regions Boaz Harrosh
2014-09-09 15:45   ` [PATCH 5/9] mm: Let sparse_{add,remove}_one_section receive a node_id Boaz Harrosh
2014-09-09 18:36     ` Dave Hansen
2014-09-10 10:07       ` Boaz Harrosh
2014-09-10 16:10         ` Dave Hansen
2014-09-10 17:25           ` Boaz Harrosh
2014-09-10 18:28             ` Dave Hansen
2014-09-11  8:39               ` Boaz Harrosh
2014-09-11 17:07                 ` Dave Hansen
2014-09-14  9:36                   ` Boaz Harrosh
2014-09-09 15:47   ` [PATCH 6/9] mm: New add_persistent_memory/remove_persistent_memory Boaz Harrosh
2014-09-09 15:48   ` [PATCH 7/9] pmem: Add support for page structs Boaz Harrosh
2014-09-09 15:49   ` [PATCH 8/9] SQUASHME: pmem: Fixs to getgeo Boaz Harrosh
2014-09-09 15:51   ` [PATCH 9/9] pmem: KISS, remove register_blkdev Boaz Harrosh
2014-09-10 16:50   ` [PATCH] SQUASHME pmem: Micro optimization for pmem_direct_access Boaz Harrosh
2014-09-10 22:32     ` Ross Zwisler
2014-09-11 11:42       ` Boaz Harrosh
2014-09-14 14:58     ` [PATCH v2] SQUASHME pmem: Micro optimize the hotpath Boaz Harrosh
2014-09-14 16:02       ` [PATCH] SQUASHME: pmem: no need to copy a page at a time Boaz Harrosh
2014-09-15  0:23         ` Wilcox, Matthew R
2014-09-15  8:47           ` Boaz Harrosh
2014-09-10 17:50   ` [PATCH] SQUASHME: pmem: Add MODULE_ALIAS Boaz Harrosh
2014-09-10 19:22     ` Ross Zwisler
2014-09-11 11:44       ` Boaz Harrosh

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