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From: Eric Sandeen <sandeen@sandeen.net>
To: Christoph Hellwig <hch@infradead.org>
Cc: xfs-oss <xfs@oss.sgi.com>
Subject: Re: [PATCH 2/2 v2] hook up fiemap & associated formatter
Date: Sat, 25 Oct 2008 23:38:17 -0500	[thread overview]
Message-ID: <4903F439.1070605@sandeen.net> (raw)
In-Reply-To: <20081025202657.GG28002@infradead.org>

Christoph Hellwig wrote:
>> +#define XFS_FIEMAP_FLAGS	(FIEMAP_FLAG_SYNC|FIEMAP_FLAG_XATTR)
> 
> Why do we need FIEMAP_FLAG_SYNC in here?  That flag is implemented in
> the VFS and should be handled there.  (Probably more a question for
> the generic implementation than your patch)

well, sorta, it calls filemap_write_and_wait but no lock is held to keep
that consistent when the filesystem gets to it... IMHO it *should*
probably be up to the fs to handle the sync flag.  But anyway, for it
all to hang together I think we need to tell it that we understand this
flag.

-Eric

>> +
>> +STATIC int xfs_fiemap_format(
> 
> STATIC int
> xfs_fiemap_format(
> 
> 
> 
> Buit the meat of the patch looks good to me.
> 
> 

  reply	other threads:[~2008-10-26  4:38 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-10-25 13:26 [PATCH 0/2 v2] hook xfs to fiemap ioctl Eric Sandeen
2008-10-25 13:33 ` [PATCH 1/2 v2] convert xfs_getbmap to take formatter functions Eric Sandeen
2008-10-25 20:25   ` Christoph Hellwig
2008-10-25 20:27   ` Christoph Hellwig
2008-10-25 20:28     ` Eric Sandeen
2008-10-25 13:34 ` [PATCH 2/2 v2] hook up fiemap & associated formatter Eric Sandeen
2008-10-25 20:26   ` Christoph Hellwig
2008-10-26  4:38     ` Eric Sandeen [this message]
2008-10-25 20:20 ` [PATCH 0/2 v2] hook xfs to fiemap ioctl Christoph Hellwig

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