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From: "Darrick J. Wong" <darrick.wong@oracle.com>
To: Allison Collins <allison.henderson@oracle.com>
Cc: Dave Chinner <david@fromorbit.com>, linux-xfs@vger.kernel.org
Subject: Re: [PATCH v7 02/19] xfs: Embed struct xfs_name in xfs_da_args
Date: Mon, 24 Feb 2020 20:27:07 -0800	[thread overview]
Message-ID: <20200225042707.GF6740@magnolia> (raw)
In-Reply-To: <d3fdea13-ff1d-ed69-8005-60193c2d2e53@oracle.com>

On Mon, Feb 24, 2020 at 09:19:58PM -0700, Allison Collins wrote:
> 
> 
> On 2/24/20 9:06 PM, Dave Chinner wrote:
> > On Mon, Feb 24, 2020 at 07:00:35PM -0700, Allison Collins wrote:
> > > 
> > > 
> > > On 2/24/20 5:57 PM, Dave Chinner wrote:
> > > > On Sat, Feb 22, 2020 at 07:05:54PM -0700, Allison Collins wrote:
> > > > > This patch embeds an xfs_name in xfs_da_args, replacing the name, namelen, and flags
> > > > > members.  This helps to clean up the xfs_da_args structure and make it more uniform
> > > > > with the new xfs_name parameter being passed around.
> > > > 
> > > > Commit message should wrap at 68-72 columns.
> > > > 
> > > > > 
> > > > > Signed-off-by: Allison Collins <allison.henderson@oracle.com>
> > > > > Reviewed-by: Brian Foster <bfoster@redhat.com>
> > > > > ---
> > > > >    fs/xfs/libxfs/xfs_attr.c        |  37 +++++++-------
> > > > >    fs/xfs/libxfs/xfs_attr_leaf.c   | 104 +++++++++++++++++++++-------------------
> > > > >    fs/xfs/libxfs/xfs_attr_remote.c |   2 +-
> > > > >    fs/xfs/libxfs/xfs_da_btree.c    |   6 ++-
> > > > >    fs/xfs/libxfs/xfs_da_btree.h    |   4 +-
> > > > >    fs/xfs/libxfs/xfs_dir2.c        |  18 +++----
> > > > >    fs/xfs/libxfs/xfs_dir2_block.c  |   6 +--
> > > > >    fs/xfs/libxfs/xfs_dir2_leaf.c   |   6 +--
> > > > >    fs/xfs/libxfs/xfs_dir2_node.c   |   8 ++--
> > > > >    fs/xfs/libxfs/xfs_dir2_sf.c     |  30 ++++++------
> > > > >    fs/xfs/scrub/attr.c             |  12 ++---
> > > > >    fs/xfs/xfs_trace.h              |  20 ++++----
> > > > >    12 files changed, 130 insertions(+), 123 deletions(-)
> > > > > 
> > > > > diff --git a/fs/xfs/libxfs/xfs_attr.c b/fs/xfs/libxfs/xfs_attr.c
> > > > > index 6717f47..9acdb23 100644
> > > > > --- a/fs/xfs/libxfs/xfs_attr.c
> > > > > +++ b/fs/xfs/libxfs/xfs_attr.c
> > > > > @@ -72,13 +72,12 @@ xfs_attr_args_init(
> > > > >    	args->geo = dp->i_mount->m_attr_geo;
> > > > >    	args->whichfork = XFS_ATTR_FORK;
> > > > >    	args->dp = dp;
> > > > > -	args->flags = flags;
> > > > > -	args->name = name->name;
> > > > > -	args->namelen = name->len;
> > > > > -	if (args->namelen >= MAXNAMELEN)
> > > > > +	memcpy(&args->name, name, sizeof(struct xfs_name));
> > > > > +	args->name.type = flags;
> > > > 
> > > > This doesn't play well with Christoph's cleanup series which fixes
> > > > up all the confusion with internal versus API flags. I guess the
> > > > namespace is part of the attribute name, but I think this would be a
> > > > much clearer conversion when placed on top of the way Christoph
> > > > cleaned all this up...
> > > > 
> > > > Have you looked at rebasing this on top of that cleanup series?
> > > > 
> > > > Cheers,
> > > > 
> > > Yes, there is some conflict between the sets here and there, but I think
> > > folks wanted to keep them separate for now.
> > 
> > That makes it really hard to form a clear view of what the code
> > looks like after both patchsets have been applied. :(
> > 
> > > Are you referring to
> > > "[780d29057781] xfs: fix misuse of the XFS_ATTR_INCOMPLETE flag"?  I'm
> > > pretty sure this set is already seated on top of that one.  This one is
> > > based on the latest for-next.
> > 
> > No, I'm talking about the series that ends up undoing that commit
> > (i.e. the DA_OP_INCOMPLETE flag goes away again) and turns
> > args->flags into args->attr_filter as the namespace filter for
> > lookups. THis also turn adds XFS_ATTR_INCOMPLETE into a lookup
> > filter.
> > 
> > With this separation of ops vs lookup filters, moving the lookup
> > filter into the xfs_name makes a bit more sense (i.e. the namespace
> > filter is passed with the attribute name), but as a standalone
> > movement it creates a bit of an impedence mismatch between the xname
> > and the use of these flags.
> > 
> > I think the end result will be fine, but it's making it hard for me
> > to reconcile the changes in the two patchsets...
> > 
> > Cheers,
> 
> I'd be happy to go through the sets and find the intersections. Or make a
> big super set if you like.  I got the impression though that Christoph didnt
> particularly like the delayed attr series or the idea of blending them.  But
> I do think it would be a good idea to take into consideration what the
> combination of them is going to look like.

At this point you might as well wait for me to actually put hch's attr
interface refactoring series into for-next (unless this series is
already based off of that??) though Christoph might be a bit time
constrained this week...

--D

> Allison
> 
> > 
> > Dave.
> > 
> 
> 

  reply	other threads:[~2020-02-25  4:27 UTC|newest]

Thread overview: 135+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-23  2:05 [PATCH v7 00/19] xfs: Delayed Ready Attrs Allison Collins
2020-02-23  2:05 ` [PATCH v7 01/19] xfs: Replace attribute parameters with struct xfs_name Allison Collins
2020-02-23  9:34   ` Amir Goldstein
2020-02-23 16:03     ` Allison Collins
2020-02-25  0:49       ` Dave Chinner
2020-02-24 12:08   ` Chandan Rajendra
2020-02-24 16:25     ` Allison Collins
2020-02-24 13:06   ` Brian Foster
2020-02-24 16:25     ` Allison Collins
2020-02-23  2:05 ` [PATCH v7 02/19] xfs: Embed struct xfs_name in xfs_da_args Allison Collins
2020-02-23 11:54   ` Amir Goldstein
2020-02-23 16:51     ` Allison Collins
2020-02-24  6:50       ` Amir Goldstein
2020-02-24  7:36         ` Allison Collins
2020-02-24  7:43           ` Amir Goldstein
2020-02-25  0:57   ` Dave Chinner
2020-02-25  2:00     ` Allison Collins
2020-02-25  4:06       ` Dave Chinner
2020-02-25  4:19         ` Allison Collins
2020-02-25  4:27           ` Darrick J. Wong [this message]
2020-02-25  6:07             ` Allison Collins
2020-02-25  6:30               ` Dave Chinner
2020-02-25 17:21             ` Christoph Hellwig
2020-02-25  6:56   ` Chandan Rajendra
2020-02-25 23:26     ` Allison Collins
2020-02-23  2:05 ` [PATCH v7 03/19] xfs: Add xfs_has_attr and subroutines Allison Collins
2020-02-23 12:20   ` Amir Goldstein
2020-02-23 17:28     ` Allison Collins
2020-02-24  6:58       ` Amir Goldstein
2020-02-25  6:26     ` Dave Chinner
2020-02-25  6:43       ` Amir Goldstein
2020-02-25 22:27         ` Dave Chinner
2020-02-24 13:08   ` Brian Foster
2020-02-24 21:18     ` Allison Collins
2020-02-25 13:25       ` Brian Foster
2020-02-26  2:31         ` Allison Collins
2020-02-25  9:49   ` Chandan Rajendra
2020-02-25 10:15     ` Chandan Rajendra
2020-02-26  2:19       ` Allison Collins
2020-02-26  2:18     ` Allison Collins
2020-02-23  2:05 ` [PATCH v7 04/19] xfs: Check for -ENOATTR or -EEXIST Allison Collins
2020-02-23 12:25   ` Amir Goldstein
2020-02-23 17:33     ` Allison Collins
2020-02-24 13:08   ` Brian Foster
2020-02-24 21:18     ` Allison Collins
2020-02-23  2:05 ` [PATCH v7 05/19] xfs: Factor out new helper functions xfs_attr_rmtval_set Allison Collins
2020-02-25 12:53   ` Chandan Rajendra
2020-02-26  2:20     ` Allison Collins
2020-02-23  2:05 ` [PATCH v7 06/19] xfs: Factor out trans handling in xfs_attr3_leaf_flipflags Allison Collins
2020-02-23 12:30   ` Amir Goldstein
2020-02-23 17:36     ` Allison Collins
2020-02-28  4:56   ` Chandan Rajendra
2020-02-23  2:05 ` [PATCH v7 07/19] xfs: Factor out xfs_attr_leaf_addname helper Allison Collins
2020-02-23 12:42   ` Amir Goldstein
2020-02-23 18:38     ` Allison Collins
2020-02-24  6:38       ` Amir Goldstein
2020-02-24  7:09         ` Allison Collins
2020-02-24  7:27           ` Amir Goldstein
2020-02-25  6:42   ` Dave Chinner
2020-02-25 13:26     ` Brian Foster
2020-02-25 23:26     ` Allison Collins
2020-02-28  6:51   ` Chandan Rajendra
2020-02-23  2:06 ` [PATCH v7 08/19] xfs: Refactor xfs_attr_try_sf_addname Allison Collins
2020-02-23 13:04   ` Amir Goldstein
2020-02-23 17:51     ` Allison Collins
2020-02-24 13:08   ` Brian Foster
2020-02-24 21:19     ` Allison Collins
2020-02-28  7:42   ` Chandan Rajendra
2020-02-28 18:14     ` Allison Collins
2020-02-23  2:06 ` [PATCH v7 09/19] xfs: Factor out trans roll from xfs_attr3_leaf_setflag Allison Collins
2020-02-28  7:59   ` Chandan Rajendra
2020-02-23  2:06 ` [PATCH v7 10/19] xfs: Factor out xfs_attr_rmtval_invalidate Allison Collins
2020-02-28 10:42   ` Chandan Rajendra
2020-02-23  2:06 ` [PATCH v7 11/19] xfs: Factor out trans roll in xfs_attr3_leaf_clearflag Allison Collins
2020-02-28 10:56   ` Chandan Rajendra
2020-02-23  2:06 ` [PATCH v7 12/19] xfs: Add helper function xfs_attr_rmtval_unmap Allison Collins
2020-02-24 13:40   ` Brian Foster
2020-02-24 21:44     ` Allison Collins
2020-02-25 13:27       ` Brian Foster
2020-02-26  3:29         ` Allison Collins
2020-02-26 13:47           ` Brian Foster
2020-02-25  7:21   ` Dave Chinner
2020-02-25 23:27     ` Allison Collins
2020-02-28 14:22   ` Chandan Rajendra
2020-02-23  2:06 ` [PATCH v7 13/19] xfs: Add delay ready attr remove routines Allison Collins
2020-02-24 15:25   ` Brian Foster
2020-02-24 17:03     ` Brian Foster
2020-02-24 23:14     ` Allison Collins
2020-02-24 23:56       ` Darrick J. Wong
2020-02-25 13:34       ` Brian Foster
2020-02-26  5:36         ` Allison Collins
2020-02-26 13:48           ` Brian Foster
2020-02-26 19:23             ` Allison Collins
2020-02-25  8:57   ` Dave Chinner
2020-02-26  0:57     ` Allison Collins
2020-02-26 22:34       ` Dave Chinner
2020-02-27  4:18         ` Allison Collins
2020-03-03  5:03   ` Chandan Rajendra
2020-03-03  5:40     ` Allison Collins
2020-02-23  2:06 ` [PATCH v7 14/19] xfs: Add delay ready attr set routines Allison Collins
2020-03-03 13:41   ` Chandan Rajendra
2020-03-03 17:07     ` Allison Collins
2020-02-23  2:06 ` [PATCH v7 15/19] xfs: Add helper function xfs_attr_node_shrink Allison Collins
2020-02-23 13:22   ` Amir Goldstein
2020-02-23 18:41     ` Allison Collins
2020-02-25  9:05   ` Dave Chinner
2020-02-26  1:48     ` Allison Collins
2020-02-23  2:06 ` [PATCH v7 16/19] xfs: Simplify xfs_attr_set_iter Allison Collins
2020-02-23 13:26   ` Amir Goldstein
2020-02-23 18:42     ` Allison Collins
2020-02-25  9:21   ` Dave Chinner
2020-02-26  2:13     ` Allison Collins
2020-02-26 22:39       ` Dave Chinner
2020-03-04  4:30   ` Chandan Rajendra
2020-03-04 17:04     ` Allison Collins
2020-03-05  3:39       ` Chandan Rajendra
2020-02-23  2:06 ` [PATCH v7 17/19] xfs: Add helper function xfs_attr_leaf_mark_incomplete Allison Collins
2020-02-23 13:47   ` Amir Goldstein
2020-02-23 18:43     ` Allison Collins
2020-02-25  9:31   ` Dave Chinner
2020-02-26  2:17     ` Allison Collins
2020-03-04  4:37   ` Chandan Rajendra
2020-02-23  2:06 ` [PATCH v7 18/19] xfs: Add remote block helper functions Allison Collins
2020-02-23 13:45   ` Amir Goldstein
2020-03-04  4:59   ` Chandan Rajendra
2020-02-23  2:06 ` [PATCH v7 19/19] xfs: Remove xfs_attr_rmtval_remove Allison Collins
2020-02-23 13:54   ` Amir Goldstein
2020-02-23 18:50     ` Allison Collins
2020-02-23  7:55 ` [PATCH v7 00/19] xfs: Delayed Ready Attrs Amir Goldstein
2020-02-23 16:02   ` Allison Collins
2020-02-24  6:30     ` Amir Goldstein
2020-02-24 16:23       ` Allison Collins
2020-02-25  5:53         ` Amir Goldstein
2020-02-24  8:31   ` Chandan Rajendra
2020-02-25  9:52   ` Dave Chinner

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