From: Dave Chinner <david@fromorbit.com>
To: Christoph Hellwig <hch@infradead.org>
Cc: xfs@oss.sgi.com
Subject: Re: [PATCH 25/30 V2] libxfs: fix root inode handling inconsistencies
Date: Fri, 1 Nov 2013 09:04:38 +1100 [thread overview]
Message-ID: <20131031220438.GP4446@dastard> (raw)
In-Reply-To: <20131031150024.GP22359@infradead.org>
On Thu, Oct 31, 2013 at 08:00:24AM -0700, Christoph Hellwig wrote:
> On Thu, Oct 31, 2013 at 03:13:43PM +1100, Dave Chinner wrote:
> > - if ((flags & LIBXFS_MOUNT_ROOTINOS) && rtmount_inodes(mp)) {
> > - if (mp->m_rootip)
> > - libxfs_iput(mp->m_rootip, 0);
> > + /* set up the realtime inodes if they exist */
> > + error = rtmount_inodes(mp);
> > + if (error)
> > return NULL;
> > - }
> >
> > /*
> > * mkfs calls mount before the AGF/AGI structures are written.
> > */
> > - if ((flags & LIBXFS_MOUNT_ROOTINOS) && sbp->sb_rootino != NULLFSINO &&
> > + if (sbp->sb_rootino != NULLFSINO &&
> > xfs_sb_version_haslazysbcount(&mp->m_sb)) {
>
> Oh, I hadn't noticed that LIBXFS_MOUNT_ROOTINOS does more than reading
> the root inode. Seems like mkfs might need the rt inodes if a file with
> the rt flag is specified in the proto file.
mkfs always allocates the rt inodes directly after the root
directory is created.
> I can't see how xfs_copy could need either the rt inodes nor the perag
> data.
Right, it doesn't need them, but it doesn't hurt at all to
initialise them because all the ag headers are about to be read to
find all the used space, anyway.
Cheers,
Dave.
--
Dave Chinner
david@fromorbit.com
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next prev parent reply other threads:[~2013-10-31 22:05 UTC|newest]
Thread overview: 76+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-30 4:30 [PATCH 00/30 V3] xfsprogs: CRC write support for xfs_db Dave Chinner
2013-10-30 4:30 ` [PATCH 01/30] xfsprogs: fix automatic dependency generation Dave Chinner
2013-10-31 14:44 ` Christoph Hellwig
2013-10-30 4:30 ` [PATCH 02/30] xfs: fix some minor sparse warnings Dave Chinner
2013-10-31 14:44 ` Christoph Hellwig
2013-10-30 4:30 ` [PATCH 03/30] xfs: create a shared header file for format-related information Dave Chinner
2013-10-31 14:45 ` Christoph Hellwig
2013-10-30 4:30 ` [PATCH 04/30] xfs: split dquot buffer operations out Dave Chinner
2013-10-31 14:45 ` Christoph Hellwig
2013-10-30 4:30 ` [PATCH 05/30] xfs: decouple inode and bmap btree header files Dave Chinner
2013-10-31 14:45 ` Christoph Hellwig
2013-10-30 4:30 ` [PATCH 06/30] libxfs: unify xfs_btree.c with kernel code Dave Chinner
2013-10-31 14:46 ` Christoph Hellwig
2013-10-30 4:30 ` [PATCH 07/30] libxfs: bmap btree owner swap support Dave Chinner
2013-10-31 14:47 ` Christoph Hellwig
2013-10-30 4:30 ` [PATCH 08/30] libxfs: xfs_rtalloc.c becomes xfs_rtbitmap.c Dave Chinner
2013-10-31 14:48 ` Christoph Hellwig
2013-10-30 4:31 ` [PATCH 09/30] libxfs: bring across inode buffer readahead verifier changes Dave Chinner
2013-10-31 14:48 ` Christoph Hellwig
2013-10-30 4:31 ` [PATCH 10/30] libxfs: Minor cleanup and bug fix sync Dave Chinner
2013-10-31 14:48 ` Christoph Hellwig
2013-10-30 4:31 ` [PATCH 11/30] xfs: remove newlines from strings passed to __xfs_printk Dave Chinner
2013-10-31 14:49 ` Christoph Hellwig
2013-10-30 4:31 ` [PATCH 12/30] xfs: fix the wrong new_size/rnew_size at xfs_iext_realloc_direct() Dave Chinner
2013-10-31 14:49 ` Christoph Hellwig
2013-10-30 4:31 ` [PATCH 13/30] xfs: fix node forward in xfs_node_toosmall Dave Chinner
2013-10-31 14:49 ` Christoph Hellwig
2013-10-30 4:31 ` [PATCH 14/30] xfs: don't emit corruption noise on fs probes Dave Chinner
2013-10-31 14:49 ` Christoph Hellwig
2013-10-30 4:31 ` [PATCH 15/30] db: separate out straight buffer IO from map based IO Dave Chinner
2013-10-31 14:56 ` Christoph Hellwig
2013-10-31 21:50 ` Dave Chinner
2013-11-01 12:51 ` Christoph Hellwig
2013-10-30 4:31 ` [PATCH 16/30] db: rewrite bbmap to use xfs_buf_map Dave Chinner
2013-10-31 15:06 ` Christoph Hellwig
2013-10-30 4:31 ` [PATCH 17/30] db: rewrite IO engine to use libxfs Dave Chinner
2013-10-31 15:10 ` Christoph Hellwig
2013-10-31 21:59 ` Dave Chinner
2013-10-30 4:31 ` [PATCH 18/30] db: introduce verifier support into set_cur Dave Chinner
2013-11-01 13:07 ` Christoph Hellwig
2013-10-30 4:31 ` [PATCH 19/30] db: indicate if the CRC on a buffer is correct or not Dave Chinner
2013-11-01 13:09 ` Christoph Hellwig
2013-10-30 4:31 ` [PATCH 20/30] db: verify and calculate inode CRCs Dave Chinner
2013-11-04 9:05 ` Christoph Hellwig
2013-11-05 0:18 ` Dave Chinner
2013-10-30 4:31 ` [PATCH 21/30] db: verify and calculate dquot CRCs Dave Chinner
2013-11-04 9:06 ` Christoph Hellwig
2013-11-05 0:25 ` Dave Chinner
2013-10-30 4:31 ` [PATCH 22/30] db: add a special directory buffer verifier Dave Chinner
2013-11-04 9:07 ` Christoph Hellwig
2013-10-30 4:31 ` [PATCH 23/30] db: add a special attribute " Dave Chinner
2013-11-04 9:07 ` Christoph Hellwig
2013-10-30 4:31 ` [PATCH 24/30] db: re-enable write support for v5 filesystems Dave Chinner
2013-11-04 9:07 ` Christoph Hellwig
2013-10-30 4:31 ` [PATCH 25/30] libxfs: fix root inode handling inconsistencies Dave Chinner
2013-10-30 10:23 ` Christoph Hellwig
2013-10-30 21:59 ` Dave Chinner
2013-10-31 4:13 ` [PATCH 25/30 V2] " Dave Chinner
2013-10-31 15:00 ` Christoph Hellwig
2013-10-31 22:04 ` Dave Chinner [this message]
2013-11-01 13:03 ` Christoph Hellwig
2013-11-04 23:22 ` Dave Chinner
2013-11-05 9:05 ` Christoph Hellwig
2013-10-30 4:31 ` [PATCH 26/30] xfs_db: avoid libxfs buffer lookup warnings Dave Chinner
2013-11-04 9:12 ` Christoph Hellwig
2013-11-05 0:52 ` Dave Chinner
2013-11-05 9:06 ` Christoph Hellwig
2013-10-30 4:31 ` [PATCH 27/30] libxfs: work around do_div() not handling 32 bit numerators Dave Chinner
2013-11-04 9:16 ` Christoph Hellwig
2013-11-05 1:55 ` Dave Chinner
2013-10-30 4:31 ` [PATCH 28/30] db: enable metadump on CRC filesystems Dave Chinner
2013-11-04 9:18 ` Christoph Hellwig
2013-10-30 4:31 ` [PATCH 29/30] xfs: support larger inode clusters on v5 filesystems Dave Chinner
2013-11-04 9:18 ` Christoph Hellwig
2013-10-30 4:31 ` [PATCH 30/30] xfsprogs: kill experimental warnings for " Dave Chinner
2013-11-04 9:19 ` Christoph Hellwig
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