From: Christoph Hellwig <hch@lst.de>
To: Dave Chinner <david@fromorbit.com>
Cc: Christoph Hellwig <hch@lst.de>,
John Garry <john.g.garry@oracle.com>,
chandan.babu@oracle.com, djwong@kernel.org, dchinner@redhat.com,
viro@zeniv.linux.org.uk, brauner@kernel.org, jack@suse.cz,
linux-xfs@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-fsdevel@vger.kernel.org, catherine.hoang@oracle.com,
martin.petersen@oracle.com
Subject: Re: [PATCH v2 08/13] xfs: Do not free EOF blocks for forcealign
Date: Tue, 9 Jul 2024 09:41:47 +0200 [thread overview]
Message-ID: <20240709074147.GA21491@lst.de> (raw)
In-Reply-To: <ZotEmyoivd1CEAIS@dread.disaster.area>
On Mon, Jul 08, 2024 at 11:44:59AM +1000, Dave Chinner wrote:
> On Sat, Jul 06, 2024 at 09:56:09AM +0200, Christoph Hellwig wrote:
> > On Fri, Jul 05, 2024 at 04:24:45PM +0000, John Garry wrote:
> > > - if (xfs_inode_has_bigrtalloc(ip))
> > > +
> > > + /* Only try to free beyond the allocation unit that crosses EOF */
> > > + if (xfs_inode_has_forcealign(ip))
> > > + end_fsb = roundup_64(end_fsb, ip->i_extsize);
> > > + else if (xfs_inode_has_bigrtalloc(ip))
> > > end_fsb = xfs_rtb_roundup_rtx(mp, end_fsb);
> >
> > Shouldn't we have a common helper to align things the right way?
>
> Yes, that's what I keep saying. The common way to do this is:
>
> align = xfs_inode_alloc_unitsize(ip);
> if (align > mp->m_blocksize)
> end_fsb = roundup_64(end_fsb, align);
>
> Wrapping that into a helper might be appropriate, though we'd need
> wrappers for aligning both the start (down) and end (up).
I think the above is already good enough.
next prev parent reply other threads:[~2024-07-09 7:41 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-05 16:24 [PATCH v2 00/13] forcealign for xfs John Garry
2024-07-05 16:24 ` [PATCH v2 01/13] xfs: only allow minlen allocations when near ENOSPC John Garry
2024-07-05 16:24 ` [PATCH v2 02/13] xfs: always tail align maxlen allocations John Garry
2024-07-05 16:24 ` [PATCH v2 03/13] xfs: simplify extent allocation alignment John Garry
2024-07-05 16:24 ` [PATCH v2 04/13] xfs: make EOF allocation simpler John Garry
2024-08-06 18:58 ` Darrick J. Wong
2024-07-05 16:24 ` [PATCH v2 05/13] xfs: introduce forced allocation alignment John Garry
2024-07-05 16:24 ` [PATCH v2 06/13] xfs: align args->minlen for " John Garry
2024-07-05 16:24 ` [PATCH v2 07/13] xfs: Introduce FORCEALIGN inode flag John Garry
2024-07-11 2:59 ` Darrick J. Wong
2024-07-11 3:59 ` Christoph Hellwig
2024-07-11 7:17 ` John Garry
2024-07-11 23:33 ` Dave Chinner
2024-07-11 23:20 ` Dave Chinner
2024-07-12 4:56 ` Christoph Hellwig
2024-07-18 8:53 ` John Garry
2024-07-23 10:11 ` John Garry
2024-07-23 14:42 ` Christoph Hellwig
2024-07-23 15:01 ` John Garry
2024-07-23 22:26 ` Darrick J. Wong
2024-07-26 14:14 ` John Garry
2024-07-23 23:38 ` Dave Chinner
2024-07-24 0:04 ` Darrick J. Wong
2024-07-24 18:50 ` John Garry
2024-07-24 7:39 ` John Garry
2024-07-05 16:24 ` [PATCH v2 08/13] xfs: Do not free EOF blocks for forcealign John Garry
2024-07-06 7:56 ` Christoph Hellwig
2024-07-08 1:44 ` Dave Chinner
2024-07-08 7:36 ` John Garry
2024-07-08 11:12 ` Dave Chinner
2024-07-08 14:41 ` John Garry
2024-07-09 7:41 ` Christoph Hellwig [this message]
2024-07-05 16:24 ` [PATCH v2 09/13] xfs: Update xfs_inode_alloc_unitsize() " John Garry
2024-07-05 16:24 ` [PATCH v2 10/13] xfs: Unmap blocks according to forcealign John Garry
2024-07-06 7:58 ` Christoph Hellwig
2024-07-08 14:48 ` John Garry
2024-07-09 7:46 ` Christoph Hellwig
2024-07-17 15:24 ` John Garry
2024-07-17 16:42 ` Christoph Hellwig
2024-07-09 9:57 ` Dave Chinner
2024-07-09 11:19 ` Christoph Hellwig
2024-07-05 16:24 ` [PATCH v2 11/13] xfs: Only free full extents for forcealign John Garry
2024-07-06 7:59 ` Christoph Hellwig
2024-07-05 16:24 ` [PATCH v2 12/13] xfs: Don't revert allocated offset " John Garry
2024-07-05 16:24 ` [PATCH v2 13/13] xfs: Enable file data forcealign feature John Garry
2024-07-06 7:53 ` [PATCH v2 00/13] forcealign for xfs Christoph Hellwig
2024-07-08 7:48 ` John Garry
2024-07-09 7:48 ` Christoph Hellwig
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