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List:       linux-cifs
Subject:    Re: Latest xfstest results
From:       Christoph Hellwig <hch () infradead ! org>
Date:       2014-08-29 17:20:14
Message-ID: 20140829172014.GA16006 () infradead ! org
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Seems like most of your issues are time stamp updates, so you
should look into that area a lot more.  Some that I know off head what
the issues are:

On Fri, Aug 29, 2014 at 10:33:14AM -0500, Steve French wrote:
> For 192 delta1 time should be 40 (this seems to work intermittently)
> 
> QA output created by 192
> sleep for 40
> test
> delta1 - access time after sleep in-core: 0
> delta2 - access time after sleep on-disk: 40

atimes update not persisting an umount/remount.  Looks like cifs isn't
properly dirtying the inode for it.

> QA output created by 215
> 
> creating test file
> 4096+0 records in
> 4096+0 records out
> 
> writing via mmap
> FAIL: mtime not update after mapped write
> FAIL: ctime not update after mapped write

missing file_update_time call in cifs_page_mkwrite.

> QA output created by 313
> Silence is golden
> ctime not updated after truncate
> mtime not updated after truncate

missing update of c/mtime for truncate.  The VFS is nasty in it's
setattr calling conventions for this.  Check my 

"[PATCH] nfs: update time staps on truncate"

post on the nfs list for details.
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