linux-ext4 - Re: [PATCH 4/7][TAKE5] support new modes in fallocate

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Date:	Thu, 12 Jul 2007 08:40:55 -0600
From:	Andreas Dilger <adilger@...sterfs.com>
To:	"Amit K. Arora" <aarora@...ux.vnet.ibm.com>
Cc:	Suparna Bhattacharya <suparna@...ibm.com>,
	Christoph Hellwig <hch@...radead.org>,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-ext4@...r.kernel.org, David Chinner <dgc@....com>,
	cmm@...ibm.com, xfs@....sgi.com
Subject: Re: [PATCH 4/7][TAKE5] support new modes in fallocate

On Jul 12, 2007  13:56 +0530, Amit K. Arora wrote:
> As you suggest, let us just have two modes for the time being:
> 
> #define FALLOC_ALLOCATE			0x1
> #define FALLOC_ALLOCATE_KEEP_SIZE	0x2
> 
> As the name suggests, when FALLOC_ALLOCATE_KEEP_SIZE mode is passed it
> will result in file size not being changed even if the preallocation is
> beyond EOF.

What does FALLOC_ALLOCATE mean vs. not passing this flag?  I have no
objection to this as long as the code remains with these as "flags"
instead of "modes"...  Essentially just dropping the FALLOC_FL_DEALLOCATE
and FALLOC_FL_DEL_DATA from the interface.

Cheers, Andreas
--
Andreas Dilger
Principal Software Engineer
Cluster File Systems, Inc.

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