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From: Dave Chinner <david@fromorbit.com>
To: Brian Foster <bfoster@redhat.com>
Cc: xfs@oss.sgi.com
Subject: Re: [PATCH v3 12/18] xfs: filter out sparse regions from individual inode allocation
Date: Mon, 9 Feb 2015 09:49:42 +1100	[thread overview]
Message-ID: <20150208224942.GG4251@dastard> (raw)
In-Reply-To: <1423252385-3063-13-git-send-email-bfoster@redhat.com>

On Fri, Feb 06, 2015 at 02:52:59PM -0500, Brian Foster wrote:
> Inode allocation from an existing record with free inodes traditionally
> selects the first inode available according to the ir_free mask. With
> sparse inode chunks, the ir_free mask could refer to an unallocated
> region. We must mask the unallocated regions out of ir_free before using
> it to select a free inode in the chunk.
> 
> Create the xfs_inobt_first_free_inode() helper to find the first free
> inode available of the allocated regions of the inode chunk.
> 
> Signed-off-by: Brian Foster <bfoster@redhat.com>

Helper can go early on in the patch set, and then when the sparse
inode support is added the bitmap stuff can added to the helepr.

Cheers,

Dave.
-- 
Dave Chinner
david@fromorbit.com

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  reply	other threads:[~2015-02-08 22:49 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-02-06 19:52 [PATCH v3 00/18] xfs: sparse inode chunks Brian Foster
2015-02-06 19:52 ` [PATCH v3 01/18] xfs: add sparse inode chunk alignment superblock field Brian Foster
2015-02-06 22:40   ` Dave Chinner
2015-02-08 16:04     ` Brian Foster
2015-02-08 21:43       ` Dave Chinner
2015-02-06 19:52 ` [PATCH v3 02/18] xfs: use sparse chunk alignment for min. inode allocation requirement Brian Foster
2015-02-06 19:52 ` [PATCH v3 03/18] xfs: sparse inode chunks feature helpers and mount requirements Brian Foster
2015-02-06 22:54   ` Dave Chinner
2015-02-06 19:52 ` [PATCH v3 04/18] xfs: introduce inode record hole mask for sparse inode chunks Brian Foster
2015-02-06 23:16   ` Dave Chinner
2015-02-08 16:06     ` Brian Foster
2015-02-08 21:57       ` Dave Chinner
2015-02-09 15:15         ` Brian Foster
2015-02-09 21:48           ` Dave Chinner
2015-02-10 12:58             ` Brian Foster
2015-02-06 19:52 ` [PATCH v3 05/18] xfs: create macros/helpers for dealing with " Brian Foster
2015-02-06 19:52 ` [PATCH v3 06/18] xfs: pass inode count through ordered icreate log item Brian Foster
2015-02-06 19:52 ` [PATCH v3 07/18] xfs: handle sparse inode chunks in icreate log recovery Brian Foster
2015-02-06 23:19   ` Dave Chinner
2015-02-08 16:06     ` Brian Foster
2015-02-06 19:52 ` [PATCH v3 08/18] xfs: helpers to convert holemask to/from generic bitmap Brian Foster
2015-02-08 23:54   ` Dave Chinner
2015-02-09 15:15     ` Brian Foster
2015-02-06 19:52 ` [PATCH v3 09/18] xfs: support min/max agbno args in block allocator Brian Foster
2015-02-09  0:01   ` Dave Chinner
2015-02-06 19:52 ` [PATCH v3 10/18] xfs: allocate sparse inode chunks on full chunk allocation failure Brian Foster
2015-02-09  1:25   ` Dave Chinner
2015-02-09 15:20     ` Brian Foster
2015-02-06 19:52 ` [PATCH v3 11/18] xfs: randomly do sparse inode allocations in DEBUG mode Brian Foster
2015-02-08 23:02   ` Dave Chinner
2015-02-09 15:20     ` Brian Foster
2015-02-06 19:52 ` [PATCH v3 12/18] xfs: filter out sparse regions from individual inode allocation Brian Foster
2015-02-08 22:49   ` Dave Chinner [this message]
2015-02-06 19:53 ` [PATCH v3 13/18] xfs: update free inode record logic to support sparse inode records Brian Foster
2015-02-08 22:33   ` Dave Chinner
2015-02-06 19:53 ` [PATCH v3 14/18] xfs: only free allocated regions of inode chunks Brian Foster
2015-02-06 19:53 ` [PATCH v3 15/18] xfs: skip unallocated regions of inode chunks in xfs_ifree_cluster() Brian Foster
2015-02-06 19:53 ` [PATCH v3 16/18] xfs: use actual inode count for sparse records in bulkstat/inumbers Brian Foster
2015-02-08 22:29   ` Dave Chinner
2015-02-06 19:53 ` [PATCH v3 17/18] xfs: add fs geometry bit for sparse inode chunks Brian Foster
2015-02-06 19:53 ` [PATCH v3 18/18] xfs: enable sparse inode chunks for v5 superblocks Brian Foster

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