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From: Ben Myers <bpm@sgi.com>
To: Christoph Hellwig <hch@infradead.org>
Cc: xfs@oss.sgi.com
Subject: Re: [patch 12/12] xfs: split and cleanup xfs_log_reserve
Date: Thu, 16 Feb 2012 15:36:46 -0600	[thread overview]
Message-ID: <20120216213646.GA7762@sgi.com> (raw)
In-Reply-To: <20111212141435.692631989@bombadil.infradead.org>

On Mon, Dec 12, 2011 at 09:13:59AM -0500, Christoph Hellwig wrote:
> Split the log regrant case out of xfs_log_reserve into a separate function,
> and merge xlog_grant_log_space and xlog_regrant_write_log_space into their
> respective callers.  Also replace the XFS_LOG_PERM_RESERV flag, which easily
> got misused before the previous cleanups with a simple boolean parameter.
> 
> Signed-off-by: Christoph Hellwig <hch@lst.de>

old:
 xfs_trans_reserve
   xfs_log_reserve
     if (*ticket != NULL) {
       xlog_regrant_write_log_space
     } else {
       allocate a ticket;
       xlog_grant_log_space
     }

new:
 xfs_trans_reserve
   if (tp->t_ticket != NULL) {
     xfs_log_regrant
   } else {
     xfs_log_reserve
   }

I've gone over this and it seems ok to me.  There are minor changes in
the names of the trace points, the change to use a boolean instead of
flags for a permanent reservation looks fine, the main structural change
looks good.  A nice change.

This has me wondering if it is possible to get rid of
XFS_LOG_REL_PERM_RESERV too...

Reviewed-by: Ben Myers <bpm@sgi.com>

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  reply	other threads:[~2012-02-16 21:36 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-12-12 14:13 [patch 00/12] log grant code cleanups Christoph Hellwig
2011-12-12 14:13 ` [patch 01/12] xfs: split tail_lsn assignments from log space wakeups Christoph Hellwig
2012-01-17 18:48   ` Mark Tinguely
2012-01-25 16:09     ` Christoph Hellwig
2012-02-16 18:21   ` Ben Myers
2012-02-17 19:21     ` Christoph Hellwig
2011-12-12 14:13 ` [patch 02/12] xfs: do exact log space wakeups in xlog_ungrant_log_space Christoph Hellwig
2012-01-17 22:42   ` Mark Tinguely
2012-02-16 18:36   ` Ben Myers
2011-12-12 14:13 ` [patch 03/12] xfs: remove xfs_trans_unlocked_item Christoph Hellwig
2012-01-23 14:31   ` Mark Tinguely
2012-02-16 18:51     ` Ben Myers
2011-12-12 14:13 ` [patch 04/12] xfs: cleanup xfs_log_space_wake Christoph Hellwig
2012-01-23 19:22   ` Mark Tinguely
2012-01-25 16:10     ` Christoph Hellwig
2012-01-25 19:09       ` Mark Tinguely
2012-01-26 16:13         ` Mark Tinguely
2012-01-26 22:12         ` Dave Chinner
2012-02-16 19:06   ` Ben Myers
2011-12-12 14:13 ` [patch 05/12] xfs: remove log space waitqueues Christoph Hellwig
2012-01-23 21:58   ` Mark Tinguely
2011-12-12 14:13 ` [patch 06/12] xfs: add the xlog_grant_head structure Christoph Hellwig
2012-01-24 15:35   ` Mark Tinguely
2012-02-16 20:23   ` Ben Myers
2011-12-12 14:13 ` [patch 07/12] xfs: add xlog_grant_head_init Christoph Hellwig
2012-01-24 15:43   ` Mark Tinguely
2012-02-16 20:29   ` Ben Myers
2011-12-12 14:13 ` [patch 08/12] xfs: add xlog_grant_head_wake_all Christoph Hellwig
2012-01-24 15:46   ` Mark Tinguely
2012-02-16 20:44   ` Ben Myers
2011-12-12 14:13 ` [patch 09/12] xfs: share code for grant head waiting Christoph Hellwig
2012-01-24 18:10   ` Mark Tinguely
2012-02-16 20:51   ` Ben Myers
2011-12-12 14:13 ` [patch 10/12] xfs: shared code for grant head wakeups Christoph Hellwig
2012-01-24 18:37   ` Mark Tinguely
2012-02-16 21:08   ` Ben Myers
2011-12-12 14:13 ` [patch 11/12] xfs: share code for grant head availability checks Christoph Hellwig
2012-01-24 18:53   ` Mark Tinguely
2012-02-16 21:25   ` Ben Myers
2012-02-17  2:41     ` Dave Chinner
2011-12-12 14:13 ` [patch 12/12] xfs: split and cleanup xfs_log_reserve Christoph Hellwig
2012-02-16 21:36   ` Ben Myers [this message]
2012-02-19 21:16     ` Christoph Hellwig
2012-02-16  6:16 ` [patch 00/12] log grant code cleanups Dave Chinner
2012-02-17 18:00   ` Christoph Hellwig
2012-02-16 21:46 ` Ben Myers
2012-02-19 21:17   ` Christoph Hellwig
2012-02-20 21:59     ` Ben Myers
  -- strict thread matches above, loose matches on Subject: below --
2012-02-20  2:31 [PATCH 00/12] log grant code cleanups V2 Christoph Hellwig
2012-02-20  2:31 ` [PATCH 12/12] xfs: split and cleanup xfs_log_reserve Christoph Hellwig
2012-02-21 15:18   ` Mark Tinguely

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