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From: Dave Chinner <david@fromorbit.com>
To: "Darrick J. Wong" <darrick.wong@oracle.com>
Cc: linux-xfs@vger.kernel.org
Subject: Re: [PATCH 13/21] xfs: introduce scrubber cross-referencing stubs
Date: Tue, 9 Jan 2018 10:36:40 +1100	[thread overview]
Message-ID: <20180108233640.GF16421@dastard> (raw)
In-Reply-To: <151398985228.18741.6364419677377927534.stgit@magnolia>

On Fri, Dec 22, 2017 at 04:44:12PM -0800, Darrick J. Wong wrote:
> From: Darrick J. Wong <darrick.wong@oracle.com>
> 
> Create some stubs that will be used to cross-reference metadata records.
> The actual cross-referencing will be filled in by subsequent patches.
> 
> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
> ---
>  fs/xfs/scrub/agheader.c |   65 ++++++++++++++++++++++++++++++++++++++++++++++-
>  fs/xfs/scrub/alloc.c    |   14 ++++++++++
>  fs/xfs/scrub/bmap.c     |   28 ++++++++++++++++++++
>  fs/xfs/scrub/ialloc.c   |   17 ++++++++++++
>  fs/xfs/scrub/inode.c    |   13 +++++++++
>  fs/xfs/scrub/refcount.c |   15 +++++++++++
>  fs/xfs/scrub/rmap.c     |   13 +++++++++
>  7 files changed, 163 insertions(+), 2 deletions(-)
> 
> 
> diff --git a/fs/xfs/scrub/agheader.c b/fs/xfs/scrub/agheader.c
> index 97beb47..5be9059 100644
> --- a/fs/xfs/scrub/agheader.c
> +++ b/fs/xfs/scrub/agheader.c
> @@ -37,7 +37,10 @@
>  #include "scrub/common.h"
>  #include "scrub/trace.h"
>  
> -/* Walk all the blocks in the AGFL. */
> +/*
> + * Walk all the blocks in the AGFL.  The fn function can return any negative
> + * error code or XFS_BTREE_QUERY_RANGE_ABORT.
> + */
>  int
>  xfs_scrub_walk_agfl(
>  	struct xfs_scrub_context	*sc,
> @@ -98,6 +101,14 @@ xfs_scrub_walk_agfl(
>  
>  /* Superblock */
>  
> +/* Cross-reference with the other btrees. */
> +STATIC void
> +xfs_scrub_superblock_xref(
> +	struct xfs_scrub_context	*sc,
> +	struct xfs_buf			*bp)
> +{
> +}
> +
>  /*
>   * Scrub the filesystem superblock.
>   *
> @@ -386,11 +397,23 @@ xfs_scrub_superblock(
>  			BBTOB(bp->b_length) - sizeof(struct xfs_dsb)))
>  		xfs_scrub_block_set_corrupt(sc, bp);
>  
> +	if (sc->sm->sm_flags & XFS_SCRUB_OFLAG_CORRUPT)
> +		goto out;
> +
> +	xfs_scrub_superblock_xref(sc, bp);
> +out:

I know this is just a set of stubs, but why isn't the "skip xref
because it's already marked corrupt" check inside the xref
functions?

That gets rid of all these gotos and makes the code simpler....

Cheers,

Dave.
-- 
Dave Chinner
david@fromorbit.com

  reply	other threads:[~2018-01-08 23:36 UTC|newest]

Thread overview: 94+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-12-23  0:42 [PATCH v11 00/21] xfs: online scrub xref support Darrick J. Wong
2017-12-23  0:42 ` [PATCH 01/21] xfs: ignore agfl read errors when not scrubbing agfl Darrick J. Wong
2018-01-05  1:12   ` Dave Chinner
2017-12-23  0:43 ` [PATCH 02/21] xfs: catch a few more error codes when scrubbing secondary sb Darrick J. Wong
2018-01-05  1:17   ` Dave Chinner
2018-01-05  1:24     ` Darrick J. Wong
2018-01-05  2:10       ` Dave Chinner
2017-12-23  0:43 ` [PATCH 03/21] xfs: xfs_scrub_bmap should use for_each_xfs_iext Darrick J. Wong
2018-01-05  1:17   ` Dave Chinner
2017-12-23  0:43 ` [PATCH 04/21] xfs: always grab transaction when scrubbing inode Darrick J. Wong
2018-01-05  1:18   ` Dave Chinner
2017-12-23  0:43 ` [PATCH 05/21] xfs: distinguish between corrupt inode and invalid inum in xfs_scrub_get_inode Darrick J. Wong
2018-01-05  1:23   ` Dave Chinner
2017-12-23  0:43 ` [PATCH 06/21] xfs: add scrub cross-referencing helpers for the free space btrees Darrick J. Wong
2018-01-05  1:29   ` Dave Chinner
2017-12-23  0:43 ` [PATCH 07/21] xfs: add scrub cross-referencing helpers for the inode btrees Darrick J. Wong
2018-01-05  1:36   ` Dave Chinner
2018-01-05  2:19     ` Darrick J. Wong
2018-01-05 21:51   ` [PATCH v2 " Darrick J. Wong
2018-01-16 23:05     ` Darrick J. Wong
2018-01-17  0:36       ` Dave Chinner
2017-12-23  0:43 ` [PATCH 08/21] xfs: add scrub cross-referencing helpers for the rmap btrees Darrick J. Wong
2018-01-05  1:40   ` Dave Chinner
2018-01-05  2:49     ` Darrick J. Wong
2018-01-05  3:38       ` Dave Chinner
2018-01-05 21:53   ` [PATCH v2 " Darrick J. Wong
2018-01-06 20:46     ` Dave Chinner
2017-12-23  0:43 ` [PATCH 09/21] xfs: add scrub cross-referencing helpers for the refcount btrees Darrick J. Wong
2018-01-05  1:41   ` Dave Chinner
2017-12-23  0:43 ` [PATCH 10/21] xfs: set up scrub cross-referencing helpers Darrick J. Wong
2018-01-05  2:08   ` Dave Chinner
2018-01-05  3:05     ` Darrick J. Wong
2018-01-05 21:54   ` [PATCH v2 " Darrick J. Wong
2018-01-16 23:06     ` Darrick J. Wong
2018-01-17  0:41     ` Dave Chinner
2017-12-23  0:44 ` [PATCH 11/21] xfs: fix a few erroneous process_error calls in the scrubbers Darrick J. Wong
2018-01-05  2:11   ` Dave Chinner
2017-12-23  0:44 ` [PATCH 12/21] xfs: check btree block ownership with bnobt/rmapbt when scrubbing btree Darrick J. Wong
2018-01-05  2:24   ` Dave Chinner
2018-01-05  2:53     ` Darrick J. Wong
2018-01-05  3:39       ` Dave Chinner
2017-12-23  0:44 ` [PATCH 13/21] xfs: introduce scrubber cross-referencing stubs Darrick J. Wong
2018-01-08 23:36   ` Dave Chinner [this message]
2018-01-08 23:59     ` Darrick J. Wong
2018-01-09 21:00   ` [PATCH v2 " Darrick J. Wong
2018-01-10  0:12     ` Dave Chinner
2017-12-23  0:44 ` [PATCH 14/21] xfs: cross-reference with the bnobt Darrick J. Wong
2018-01-08 23:51   ` Dave Chinner
2018-01-09  0:34     ` Darrick J. Wong
2018-01-09  0:57       ` Dave Chinner
2018-01-09 21:15   ` [PATCH v2 " Darrick J. Wong
2018-01-10  0:15     ` Dave Chinner
2017-12-23  0:44 ` [PATCH 15/21] xfs: cross-reference bnobt records with cntbt Darrick J. Wong
2018-01-08 23:55   ` Dave Chinner
2018-01-09  0:37     ` Darrick J. Wong
2018-01-09 21:20   ` [PATCH v2 " Darrick J. Wong
2018-01-10  0:19     ` Dave Chinner
2017-12-23  0:44 ` [PATCH 16/21] xfs: cross-reference inode btrees during scrub Darrick J. Wong
2018-01-09 21:22   ` [PATCH v2 " Darrick J. Wong
2018-01-15 22:17     ` Dave Chinner
2018-01-16  6:30       ` Darrick J. Wong
2018-01-16 23:23   ` [PATCH v3 " Darrick J. Wong
2018-01-17  0:44     ` Dave Chinner
2017-12-23  0:44 ` [PATCH 17/21] xfs: cross-reference reverse-mapping btree Darrick J. Wong
2018-01-09 21:24   ` [PATCH v2 " Darrick J. Wong
2018-01-15 23:04     ` Dave Chinner
2018-01-16  6:38       ` Darrick J. Wong
2018-01-16 23:25   ` [PATCH v3 " Darrick J. Wong
2018-01-17  0:52     ` Dave Chinner
2017-12-23  0:44 ` [PATCH 18/21] xfs: cross-reference the rmapbt data with the refcountbt Darrick J. Wong
2018-01-09 21:25   ` [PATCH v2 " Darrick J. Wong
2018-01-15 23:49     ` Dave Chinner
2018-01-16  6:49       ` Darrick J. Wong
2018-01-16 19:47         ` Darrick J. Wong
2018-01-16 23:26   ` [PATCH v3 " Darrick J. Wong
2018-01-17  1:00     ` Dave Chinner
2018-01-17  1:11       ` Darrick J. Wong
2017-12-23  0:44 ` [PATCH 19/21] xfs: cross-reference refcount btree during scrub Darrick J. Wong
2018-01-09 21:25   ` [PATCH v2 " Darrick J. Wong
2018-01-16  2:44     ` Dave Chinner
2018-01-16  6:52       ` Darrick J. Wong
2018-01-16 20:26         ` Darrick J. Wong
2018-01-16 23:27   ` [PATCH v3 " Darrick J. Wong
2018-01-17  1:02     ` Dave Chinner
2017-12-23  0:44 ` [PATCH 20/21] xfs: cross-reference the realtime bitmap Darrick J. Wong
2018-01-09 21:26   ` [PATCH v2 " Darrick J. Wong
2018-01-16  2:57     ` Dave Chinner
2018-01-16  6:55       ` Darrick J. Wong
2018-01-16 23:27   ` [PATCH v3 " Darrick J. Wong
2018-01-17  1:03     ` Dave Chinner
2017-12-23  0:45 ` [PATCH 21/21] xfs: cross-reference the block mappings when possible Darrick J. Wong
2018-01-09 21:26   ` [PATCH v2 " Darrick J. Wong
2018-01-16  2:58     ` Dave Chinner
2018-01-16  6:55       ` Darrick J. Wong

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