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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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  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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