From: Christoph Hellwig <hch@infradead.org>
To: Andreas Dilger <adilger@dilger.ca>
Cc: Christoph Hellwig <hch@infradead.org>,
Amir Goldstein <amir73il@gmail.com>,
Ritesh Harjani <riteshh@linux.ibm.com>,
Ext4 <linux-ext4@vger.kernel.org>, Jan Kara <jack@suse.cz>,
Theodore Tso <tytso@mit.edu>,
"Darrick J. Wong" <darrick.wong@oracle.com>,
Alexander Viro <viro@zeniv.linux.org.uk>,
Dan Carpenter <dan.carpenter@oracle.com>,
"Aneesh Kumar K . V" <aneesh.kumar@linux.ibm.com>,
Murphy Zhou <jencce.kernel@gmail.com>,
Miklos Szeredi <miklos@szeredi.hu>,
linux-fsdevel <linux-fsdevel@vger.kernel.org>,
overlayfs <linux-unionfs@vger.kernel.org>
Subject: Re: [PATCH 0/5] ext4/overlayfs: fiemap related fixes
Date: Sun, 26 Apr 2020 23:42:31 -0700 [thread overview]
Message-ID: <20200427064231.GA19581@infradead.org> (raw)
In-Reply-To: <ECEA80AE-C2E9-4D5C-8A14-E2A92C720163@dilger.ca>
On Sat, Apr 25, 2020 at 10:32:44AM -0700, Andreas Dilger wrote:
> On Apr 25, 2020, at 02:43, Christoph Hellwig <hch@infradead.org> wrote:
> >
> > On Sat, Apr 25, 2020 at 12:11:59PM +0300, Amir Goldstein wrote:
> >> FWIW, I agree with you.
> >> And seems like Jan does as well, since he ACKed all your patches.
> >> Current patches would be easier to backport to stable kernels.
> >
> > Honestly, the proper fix is pretty much trivial. I wrote it up this
> > morning over coffee:
> >
> > http://git.infradead.org/users/hch/misc.git/shortlog/refs/heads/fiemap-fix
> >
> > Still needs more testing, though.
>
> The "maxbytes" value should be passed in from the caller, since this
> may be different per inode (for ext4 at least).
We should handle it, but not burden everyone else who has saner limits.
next prev parent reply other threads:[~2020-04-27 6:42 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-23 10:47 [PATCH 0/5] ext4/overlayfs: fiemap related fixes Ritesh Harjani
2020-04-23 10:47 ` [PATCH 1/5] ext4: Fix EXT4_MAX_LOGICAL_BLOCK macro Ritesh Harjani
2020-04-23 11:16 ` Jan Kara
2020-04-23 10:47 ` [PATCH 2/5] ext4: Rename fiemap_check_ranges() to make it ext4 specific Ritesh Harjani
2020-04-23 11:17 ` Jan Kara
2020-04-23 10:47 ` [PATCH 3/5] vfs: EXPORT_SYMBOL for fiemap_check_ranges() Ritesh Harjani
2020-04-23 11:18 ` Jan Kara
2020-04-23 10:47 ` [PATCH 4/5] overlayfs: Check for range bounds before calling i_op->fiemap() Ritesh Harjani
2020-04-23 11:19 ` Jan Kara
2020-04-25 8:54 ` Amir Goldstein
2020-04-23 10:47 ` [PATCH 5/5] ext4: Get rid of ext4_fiemap_check_ranges Ritesh Harjani
2020-04-23 11:20 ` Jan Kara
2020-04-24 10:11 ` [PATCH 0/5] ext4/overlayfs: fiemap related fixes Christoph Hellwig
2020-04-24 23:20 ` Ritesh Harjani
2020-04-25 9:11 ` Amir Goldstein
2020-04-25 9:43 ` Christoph Hellwig
2020-04-25 10:49 ` Amir Goldstein
2020-04-25 11:14 ` Ritesh Harjani
2020-04-27 6:28 ` Christoph Hellwig
2020-04-27 10:15 ` Amir Goldstein
2020-04-27 10:38 ` Christoph Hellwig
2020-04-25 17:32 ` Andreas Dilger
2020-04-27 6:42 ` Christoph Hellwig [this message]
2020-04-25 9:44 ` Ritesh Harjani
2020-05-19 2:43 ` Murphy Zhou
2020-05-21 6:08 ` Ritesh Harjani
2020-05-22 4:56 ` Murphy Zhou
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