From: Ben Myers <bpm@sgi.com>
To: Dave Chinner <david@fromorbit.com>
Cc: xfs@oss.sgi.com
Subject: Re: [PATCH 17/19] xfs: vectorise encoding/decoding directory headers
Date: Fri, 25 Oct 2013 14:20:55 -0500 [thread overview]
Message-ID: <20131025192055.GY1935@sgi.com> (raw)
In-Reply-To: <20131025184646.GX1935@sgi.com>
On Fri, Oct 25, 2013 at 01:46:46PM -0500, Ben Myers wrote:
> On Tue, Oct 15, 2013 at 09:18:03AM +1100, Dave Chinner wrote:
> > From: Dave Chinner <dchinner@redhat.com>
> >
> > Conversion from on-disk structures to in-core header structures
> > currently relies on magic number checks. If the magic number is
> > wrong, but one of the supported values, we do the wrong thing with
> > the encode/decode operation. Split these functions so that there are
> > discrete operations for the specific directory format we are
> > handling.
> >
> > In doing this, move all the header encode/decode functions to
> > xfs_da_format.c as they are directly manipulating the on-disk
> > format. It should be noted that all the growth in binary size is
> > from xfs_da_format.c - the rest of the code actaully shrinks.
> >
> > text data bss dec hex filename
> > 794490 96802 1096 892388 d9de4 fs/xfs/xfs.o.orig
> > 792986 96802 1096 890884 d9804 fs/xfs/xfs.o.p1
> > 792350 96802 1096 890248 d9588 fs/xfs/xfs.o.p2
> > 789293 96802 1096 887191 d8997 fs/xfs/xfs.o.p3
> > 789005 96802 1096 886903 d8997 fs/xfs/xfs.o.p4
> > 789061 96802 1096 886959 d88af fs/xfs/xfs.o.p5
> > 789733 96802 1096 887631 d8b4f fs/xfs/xfs.o.p6
> > 791421 96802 1096 889319 d91e7 fs/xfs/xfs.o.p7
> >
> >
> > Signed-off-by: Dave Chinner <dchinner@redhat.com>
>
>
> > const struct xfs_dir_ops xfs_dir2_ops = {
> > .sf_entsize = xfs_dir2_sf_entsize,
> > .sf_nextentry = xfs_dir2_sf_nextentry,
> > @@ -532,10 +712,14 @@ const struct xfs_dir_ops xfs_dir2_ops = {
> > .data_unused_p = xfs_dir2_data_unused_p,
> >
> > .leaf_hdr_size = xfs_dir2_leaf_hdr_size,
> > + .leaf_hdr_to_disk = xfs_dir2_leaf_hdr_to_disk,
> > + .leaf_hdr_from_disk = xfs_dir2_leaf_hdr_from_disk,
> > .leaf_max_ents = xfs_dir2_max_leaf_ents,
> > .leaf_ents_p = xfs_dir2_leaf_ents_p,
> >
> > .node_hdr_size = xfs_da2_node_hdr_size,
> > + .node_hdr_to_disk = xfs_da2_node_hdr_to_disk,
> > + .node_hdr_from_disk = xfs_da2_node_hdr_from_disk,
> > .node_tree_p = xfs_da2_node_tree_p,
>
> .free_hdr_to_disk = xfs_dir2_free_hdr_to_disk,
> .free_hdr_from_disk = xfs_dir2_free_hdr_from_disk,
>
> Is this missing?
Ah. Looks like it snuck into the next patch.
Other than that it looks good.
Reviewed-by: Ben Myers <bpm@sgi.com>
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next prev parent reply other threads:[~2013-10-25 19:20 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-14 22:17 [PATCH 00/19 V2] xfs: patches for 3.13 Dave Chinner
2013-10-14 22:17 ` [PATCH 01/19] xfs: xfs_remove deadlocks due to inverted AGF vs AGI lock ordering Dave Chinner
2013-10-14 22:17 ` [PATCH 02/19] xfs: open code inc_inode_iversion when logging an inode Dave Chinner
2013-10-14 22:17 ` [PATCH 03/19] xfs: prevent deadlock trying to cover an active log Dave Chinner
2013-10-17 15:54 ` Eric Sandeen
2013-10-17 18:51 ` Ben Myers
2013-10-14 22:17 ` [PATCH 04/19] xfs: create a shared header file for format-related information Dave Chinner
2013-10-22 23:12 ` Ben Myers
2013-10-22 23:36 ` [PATCH 04/19, V2] " Dave Chinner
2013-10-14 22:17 ` [PATCH 05/19] xfs: unify directory/attribute format definitions Dave Chinner
2013-10-21 23:11 ` Ben Myers
2013-10-21 23:33 ` Dave Chinner
2013-10-22 14:57 ` Christoph Hellwig
2013-10-14 22:17 ` [PATCH 06/19] xfs: split dquot buffer operations out Dave Chinner
2013-10-14 22:17 ` [PATCH 07/19] xfs: remove unused transaction callback variables Dave Chinner
2013-10-22 14:25 ` Ben Myers
2013-10-14 22:17 ` [PATCH 08/19] xfs: decouple log and transaction headers Dave Chinner
2013-10-22 17:16 ` Ben Myers
2013-10-22 23:50 ` [PATCH 08/19, V2] " Dave Chinner
2013-10-14 22:17 ` [PATCH 09/19] xfs: decouple inode and bmap btree header files Dave Chinner
2013-10-22 18:29 ` Ben Myers
2013-10-22 23:40 ` [PATCH 09/19, V2] " Dave Chinner
2013-10-22 23:48 ` Dave Chinner
2013-10-22 23:51 ` [PATCH 09/19, V3] " Dave Chinner
2013-10-14 22:17 ` [PATCH 10/19] xfs: split xfs_rtalloc.c for userspace sanity Dave Chinner
2013-10-14 22:17 ` [PATCH 11/19] xfs: abstract the differences in dir2/dir3 via an ops vector Dave Chinner
2013-10-14 22:17 ` [PATCH 12/19] xfs: vectorise remaining shortform dir2 ops Dave Chinner
2013-10-14 22:17 ` [PATCH 13/19] xfs: vectorise directory data operations Dave Chinner
2013-10-24 18:39 ` Ben Myers
2013-10-24 21:31 ` Dave Chinner
2013-10-24 21:41 ` Ben Myers
2013-10-24 22:08 ` Dave Chinner
2013-10-24 22:28 ` Ben Myers
2013-10-27 23:01 ` Dave Chinner
2013-10-14 22:18 ` [PATCH 14/19] xfs: vectorise directory data operations part 2 Dave Chinner
2013-10-14 22:18 ` [PATCH 15/19] xfs: vectorise directory leaf operations Dave Chinner
2013-10-20 23:25 ` [PATCH 15/19, V2] " Dave Chinner
2013-10-14 22:18 ` [PATCH 16/19] xfs: vectorise DA btree operations Dave Chinner
2013-10-25 17:17 ` Ben Myers
2013-10-14 22:18 ` [PATCH 17/19] xfs: vectorise encoding/decoding directory headers Dave Chinner
2013-10-25 18:46 ` Ben Myers
2013-10-25 19:20 ` Ben Myers [this message]
2013-10-14 22:18 ` [PATCH 18/19] xfs: vectorise directory leaf operations Dave Chinner
2013-10-25 20:18 ` Ben Myers
2013-10-25 21:51 ` Ben Myers
2013-10-14 22:18 ` [PATCH 19/19] xfs: convert directory vector functions to constants Dave Chinner
2013-10-16 21:16 ` Ben Myers
2013-10-16 22:23 ` Dave Chinner
2013-10-16 22:52 ` Ben Myers
2013-10-16 23:06 ` Ben Myers
2013-10-17 0:17 ` Dave Chinner
2013-10-23 22:23 ` Ben Myers
2013-10-25 21:47 ` Ben Myers
2013-10-23 22:23 ` [PATCH 00/19 V2] xfs: patches for 3.13 Ben Myers
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