From: "Darrick J. Wong" <darrick.wong@oracle.com>
To: Christoph Hellwig <hch@infradead.org>
Cc: linux-xfs@vger.kernel.org
Subject: Re: [PATCH 6/8] xfs: hoist unlinked list search and mapping to a separate function
Date: Sat, 2 Feb 2019 12:42:56 -0800 [thread overview]
Message-ID: <20190202204256.GT5761@magnolia> (raw)
In-Reply-To: <20190202163007.GD25154@infradead.org>
On Sat, Feb 02, 2019 at 08:30:07AM -0800, Christoph Hellwig wrote:
> Nitpick: why hoist here and refactor in the previous patches subject?
Will change.
> > + xfs_agino_t target_agino,
> > + xfs_ino_t *ino,
> > + struct xfs_imap *imap,
> > + struct xfs_dinode **dipp,
> > + struct xfs_buf **bpp)
> > +{
> > + struct xfs_imap last_imap;
> > + struct xfs_mount *mp = tp->t_mountp;
> > + struct xfs_buf *last_ibp = NULL;
> > + struct xfs_dinode *last_dip;
> > + xfs_ino_t next_ino = NULLFSINO;
> > + xfs_agino_t next_agino;
> > + int error;
> > +
> > + ASSERT(head_agino != target_agino);
> > +
> > + next_agino = head_agino;
> > + while (next_agino != target_agino) {
> > + xfs_agino_t unlinked_agino;
> > +
> > + if (last_ibp)
> > + xfs_trans_brelse(tp, last_ibp);
> > +
> > + next_ino = XFS_AGINO_TO_INO(mp, pag->pag_agno, next_agino);
> > + error = xfs_iunlink_map_ino(tp, next_ino, &last_imap,
> > + &last_dip, &last_ibp);
>
> And reason we stop formatting directly into the passed in imap,
> as the old code did?
General prinicple of not formatting into the caller's variables until
we're sure we're returning 0 but I'll change it to format directly since
it'll save stack space.
--D
next prev parent reply other threads:[~2019-02-02 20:43 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-31 23:17 [PATCH 0/8] xfs: incore unlinked list Darrick J. Wong
2019-01-31 23:17 ` [PATCH 1/8] xfs: clean up iunlink functions Darrick J. Wong
2019-02-01 8:01 ` Christoph Hellwig
2019-02-02 19:15 ` Darrick J. Wong
2019-01-31 23:18 ` [PATCH 2/8] xfs: track unlinked inode counts in per-ag data Darrick J. Wong
2019-02-01 18:59 ` Brian Foster
2019-02-01 19:33 ` Darrick J. Wong
2019-02-02 16:14 ` Christoph Hellwig
2019-02-02 19:28 ` Darrick J. Wong
2019-01-31 23:18 ` [PATCH 3/8] xfs: refactor AGI unlinked bucket updates Darrick J. Wong
2019-02-01 19:00 ` Brian Foster
2019-02-02 19:50 ` Darrick J. Wong
2019-02-02 16:21 ` Christoph Hellwig
2019-02-02 19:51 ` Darrick J. Wong
2019-01-31 23:18 ` [PATCH 4/8] xfs: strengthen AGI unlinked inode bucket pointer checks Darrick J. Wong
2019-02-01 19:00 ` Brian Foster
2019-02-02 16:22 ` Christoph Hellwig
2019-01-31 23:18 ` [PATCH 5/8] xfs: refactor inode unlinked pointer update functions Darrick J. Wong
2019-02-01 19:01 ` Brian Foster
2019-02-02 22:00 ` Darrick J. Wong
2019-02-02 16:27 ` Christoph Hellwig
2019-02-02 20:29 ` Darrick J. Wong
2019-01-31 23:18 ` [PATCH 6/8] xfs: hoist unlinked list search and mapping to a separate function Darrick J. Wong
2019-02-01 19:01 ` Brian Foster
2019-02-02 20:46 ` Darrick J. Wong
2019-02-04 13:18 ` Brian Foster
2019-02-04 16:31 ` Darrick J. Wong
2019-02-02 16:30 ` Christoph Hellwig
2019-02-02 20:42 ` Darrick J. Wong [this message]
2019-02-02 16:51 ` Christoph Hellwig
2019-01-31 23:18 ` [PATCH 7/8] xfs: add tracepoints for high level iunlink operations Darrick J. Wong
2019-02-01 19:01 ` Brian Foster
2019-02-01 19:14 ` Darrick J. Wong
2019-01-31 23:18 ` [PATCH 8/8] xfs: cache unlinked pointers in an rhashtable Darrick J. Wong
2019-02-01 8:03 ` Christoph Hellwig
2019-02-01 23:59 ` Dave Chinner
2019-02-02 4:31 ` Darrick J. Wong
2019-02-02 16:07 ` Christoph Hellwig
2019-02-01 19:29 ` Brian Foster
2019-02-01 19:40 ` Darrick J. Wong
2019-02-02 17:01 ` Christoph Hellwig
2019-02-01 7:57 ` [PATCH 0/8] xfs: incore unlinked list Christoph Hellwig
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