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From: David Chinner <dgc@sgi.com>
To: "Josef 'Jeff' Sipek" <jeffpc@josefsipek.net>
Cc: linux-kernel@vger.kernel.org, xfs-masters@oss.sgi.com,
	akpm@osdl.org, dhowells@redhat.com
Subject: Re: [PATCH 5 of 11] XFS: Use SEEK_{SET, CUR, END} instead of hardcoded values
Date: Mon, 18 Sep 2006 13:34:31 +1000	[thread overview]
Message-ID: <20060918033431.GV3034@melbourne.sgi.com> (raw)
In-Reply-To: <4cdee5980dad9980ec8f.1158455371@turing.ams.sunysb.edu>

On Sat, Sep 16, 2006 at 09:09:31PM -0400, Josef 'Jeff' Sipek wrote:
> XFS: Use SEEK_{SET,CUR,END} instead of hardcoded values

The hard coded values  used in xfs_change_file_space() are documented as part
of the API to the userspace functions that use this interface in xfsctl(3).
That is:

  XFS_IOC_FREESP
  XFS_IOC_FREESP64
  XFS_IOC_ALLOCSP
  XFS_IOC_ALLOCSP64

  Alter storage space associated with a section of the ordinary file specified.
  The section is specified by a variable of type  xfs_flock64_t,  pointed  to  by
  the  final argument.  The data type xfs_flock64_t contains the following
  members: l_whence is 0, 1, or 2 to indicate that the relative offset l_start
  will be measured from the start  of  the  file,  the current  position, or the
  end of the file, respectively.

Hence I think that the hard coded values should not be changed to something
that is defined outside of XFS's API.

Cheers,

Dave.
-- 
Dave Chinner
Principal Engineer
SGI Australian Software Group

  reply	other threads:[~2006-09-18  3:35 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-09-17  1:09 [PATCH 0 of 11] Use SEEK_{SET,CUR,END} instead of hardcoded values Josef 'Jeff' Sipek
2006-09-17  1:09 ` [PATCH 1 of 11] MBCS: Use SEEK_{SET, CUR, END} " Josef 'Jeff' Sipek
2006-09-17  1:09 ` [PATCH 2 of 11] EICON ISDN: Removed unused definitions for OS_SEEK_* Josef 'Jeff' Sipek
2006-09-17  8:48   ` Armin Schindler
2006-09-17  1:09 ` [PATCH 3 of 11] MTD: Use SEEK_{SET, CUR, END} instead of hardcoded values Josef 'Jeff' Sipek
2006-09-17 16:06   ` David Woodhouse
2006-09-17  1:09 ` [PATCH 4 of 11] CIFS: Use SEEK_END instead of hardcoded value Josef 'Jeff' Sipek
2006-09-17  1:09 ` [PATCH 5 of 11] XFS: Use SEEK_{SET, CUR, END} instead of hardcoded values Josef 'Jeff' Sipek
2006-09-18  3:34   ` David Chinner [this message]
2006-09-18 10:30     ` David Howells
2006-09-19  4:01       ` David Chinner
2006-09-17  1:09 ` [PATCH 6 of 11] NFS: Use SEEK_END instead of hardcoded value Josef 'Jeff' Sipek
2006-09-17  1:09 ` [PATCH 7 of 11] VFS: Use SEEK_{SET, CUR, END} instead of hardcoded values Josef 'Jeff' Sipek
2006-09-17  1:09 ` [PATCH 8 of 11] sound core: " Josef 'Jeff' Sipek
2006-09-17  1:09 ` [PATCH 9 of 11] opl4: " Josef 'Jeff' Sipek
2006-09-17  1:09 ` [PATCH 10 of 11] gus: " Josef 'Jeff' Sipek
2006-09-17  1:09 ` [PATCH 11 of 11] mixart: " Josef 'Jeff' Sipek
2006-09-17  3:46 ` [PATCH 0 of 11] Use SEEK_{SET,CUR,END} " Nick Piggin
2006-09-17  6:38   ` Josef Sipek
2006-09-18 10:32 ` David Howells

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