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From: Alex Elder <aelder@sgi.com>
To: Christoph Hellwig <hch@infradead.org>
Cc: xfs@oss.sgi.com
Subject: Re: [PATCH 17/25] xfs: move firstblock and bmap freelist cursor into bmalloca structure
Date: Fri, 9 Sep 2011 18:56:11 -0500	[thread overview]
Message-ID: <1315612571.1999.133.camel@doink> (raw)
In-Reply-To: <20110824060644.160629525@bombadil.infradead.org>

On Wed, 2011-08-24 at 02:04 -0400, Christoph Hellwig wrote:
> Rather than passing the freeblock and freelist structure around, embed it
                          firstblock
> into the bmalloca structure and remove it from the function parameters.
> 
> This also enables the minleft parameter to be set only once in
> xfs_bmapi_write(), and the freelist cursor directly queried in
> xfs_bmapi_allocate to clear it when the lowspace algorithm is activated.
>     
>     Signed-off-by: Dave Chinner <dchinner@redhat.com>

A couple of comments:
- The struct xfs_bmalloca field "low" ought to be eliminated
  (or renamed "pad" or something), since it's now unused
  (->flist->xbf_low is used in its place).
- It might have been a bit simpler to review if using
  ->flist->xbf_low in place of ->low and ->minleft
  in place of minleft were done as separate, min-steps.

In any case, this looks good.

Reviewed-by: Alex Elder <aelder@sgi.com>



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  reply	other threads:[~2011-09-09 23:56 UTC|newest]

Thread overview: 63+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-08-24  6:04 [PATCH 00/25] xfs_bmapi split and cleanups Christoph Hellwig
2011-08-24  6:04 ` [PATCH 01/25] xfs: remove the first extent special case in xfs_bmap_add_extent Christoph Hellwig
2011-09-02 22:22   ` Alex Elder
2011-09-06 11:52     ` Christoph Hellwig
2011-08-24  6:04 ` [PATCH 02/25] xfs: remove impossible to read code in xfs_bmap_add_extent_delay_real Christoph Hellwig
2011-09-02 22:23   ` Alex Elder
2011-08-24  6:04 ` [PATCH 03/25] xfs: remove the nextents variable in xfs_bmapi Christoph Hellwig
2011-09-02 22:23   ` Alex Elder
2011-08-24  6:04 ` [PATCH 04/25] xfs: factor extent map manipulations out of xfs_bmapi Christoph Hellwig
2011-09-02 22:23   ` Alex Elder
2011-09-06 11:55     ` Christoph Hellwig
2011-09-07 17:21       ` Alex Elder
2011-09-07 17:23         ` Christoph Hellwig
2011-08-24  6:04 ` [PATCH 05/25] xfs: introduce xfs_bmapi_read() Christoph Hellwig
2011-09-02 22:23   ` Alex Elder
2011-08-24  6:04 ` [PATCH 06/25] xfs: remove xfs_bmapi_single() Christoph Hellwig
2011-09-02 22:23   ` Alex Elder
2011-08-24  6:04 ` [PATCH 07/25] xfs: factor delalloc reservations out of xfs_bmapi Christoph Hellwig
2011-09-02 22:23   ` Alex Elder
2011-08-24  6:04 ` [PATCH 08/25] xfs: introduce xfs_bmapi_delay() Christoph Hellwig
2011-09-02 22:23   ` Alex Elder
2011-09-06 15:27     ` Christoph Hellwig
2011-09-07 17:21       ` Alex Elder
2011-08-24  6:04 ` [PATCH 09/25] xfs: do not use xfs_bmap_add_extent for adding delalloc extents Christoph Hellwig
2011-09-09 20:23   ` Alex Elder
2011-08-24  6:04 ` [PATCH 10/25] xfs: factor extent allocation out of xfs_bmapi Christoph Hellwig
2011-09-09 20:23   ` Alex Elder
2011-09-11 11:50     ` Christoph Hellwig
2011-08-24  6:04 ` [PATCH 11/25] xfs: factor unwritten extent map manipulations " Christoph Hellwig
2011-09-09 20:23   ` Alex Elder
2011-08-24  6:04 ` [PATCH 12/25] xfs: rename xfs_bmapi to xfs_bmapi_write Christoph Hellwig
2011-09-09 20:23   ` Alex Elder
2011-08-24  6:04 ` [PATCH 13/25] xfs: introduce xfs_bmap_last_extent Christoph Hellwig
2011-09-09 20:23   ` Alex Elder
2011-09-10 18:45     ` Christoph Hellwig
2011-08-24  6:04 ` [PATCH 14/25] xfs: remove xfs_bmap_add_extent Christoph Hellwig
2011-09-09 23:55   ` Alex Elder
2011-09-10 18:49     ` Christoph Hellwig
2011-08-24  6:04 ` [PATCH 15/25] xfs: pass bmalloca structure to xfs_bmap_isaeof Christoph Hellwig
2011-09-09 23:55   ` Alex Elder
2011-09-10 18:52     ` Christoph Hellwig
2011-08-24  6:04 ` [PATCH 16/25] xfs: move extent records into bmalloca structure Christoph Hellwig
2011-09-09 23:55   ` Alex Elder
2011-08-24  6:04 ` [PATCH 17/25] xfs: move firstblock and bmap freelist cursor " Christoph Hellwig
2011-09-09 23:56   ` Alex Elder [this message]
2011-08-24  6:04 ` [PATCH 18/25] xfs: move allocation ranges inode " Christoph Hellwig
2011-09-09 23:56   ` Alex Elder
2011-09-10 18:57     ` Christoph Hellwig
2011-08-24  6:04 ` [PATCH 19/25] xfs: move btree cursor into bmalloca Christoph Hellwig
2011-09-09 23:56   ` Alex Elder
2011-08-24  6:04 ` [PATCH 20/25] xfs: move lastx and nallocs " Christoph Hellwig
2011-09-09 23:56   ` Alex Elder
2011-08-24  6:04 ` [PATCH 21/25] xfs: move logflags " Christoph Hellwig
2011-09-09 23:56   ` Alex Elder
2011-08-24  6:04 ` [PATCH 22/25] xfs: pass bmalloca to xfs_bmap_add_extent_delay_real Christoph Hellwig
2011-09-09 23:56   ` Alex Elder
2011-08-24  6:04 ` [PATCH 23/25] xfs: pass bmalloca to xfs_bmap_add_extent_hole_real Christoph Hellwig
2011-09-09 23:58   ` Alex Elder
2011-08-24  6:04 ` [PATCH 24/25] xfs: dont ignore error code from xfs_bmbt_update Christoph Hellwig
2011-09-09 23:58   ` Alex Elder
2011-08-24  6:04 ` [PATCH 25/25] xfs: cleanup xfs_bmap.h Christoph Hellwig
2011-09-09 23:58   ` Alex Elder
2011-08-24  6:42 ` [PATCH 00/25] xfs_bmapi split and cleanups Christoph Hellwig

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