From: "Darrick J. Wong" <darrick.wong@oracle.com>
To: Dave Chinner <david@fromorbit.com>
Cc: linux-xfs@vger.kernel.org
Subject: Re: [PATCH 13/21] xfs: introduce scrubber cross-referencing stubs
Date: Mon, 8 Jan 2018 15:59:00 -0800 [thread overview]
Message-ID: <20180108235900.GA5602@magnolia> (raw)
In-Reply-To: <20180108233640.GF16421@dastard>
On Tue, Jan 09, 2018 at 10:36:40AM +1100, Dave Chinner wrote:
> 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....
Done.
--D
> Cheers,
>
> Dave.
> --
> Dave Chinner
> david@fromorbit.com
> --
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next prev parent reply other threads:[~2018-01-09 0:09 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
2018-01-08 23:59 ` Darrick J. Wong [this message]
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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