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From: Miklos Szeredi <miklos@szeredi.hu>
To: Amir Goldstein <amir73il@gmail.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>,
	"linux-unionfs@vger.kernel.org" <linux-unionfs@vger.kernel.org>,
	linux-fsdevel <linux-fsdevel@vger.kernel.org>,
	Vivek Goyal <vgoyal@redhat.com>
Subject: Re: [RFC][PATCH 00/13] overlayfs stable inodes
Date: Wed, 19 Apr 2017 17:01:35 +0200	[thread overview]
Message-ID: <CAJfpegsDMfM066PvoQup5SwS3exmfM23+2EWiUsuGROZvN3H_g@mail.gmail.com> (raw)
In-Reply-To: <CAOQ4uxi0vRsyY2jrS_baaZ3n+d0Fx+6fDWj2Wm=4ZEGAZGHzDQ@mail.gmail.com>

On Wed, Apr 19, 2017 at 4:46 PM, Amir Goldstein <amir73il@gmail.com> wrote:
> Well, if you are lucky you can run into a filesystem that exports
> a file handle of type FILEID_INO32_GEN, then you *know* you're
> good to go. ext* will do that and xfs that was forever mounted with
> -o inode32.
> Even with xfs -o inode64, it will not use the MSB ino bits unless
> you are in the exabytes fs sizes.

Could filesystems export a max-ino property in their sb?  That would
help with doing this properly.

Thanks,
Miklos

  reply	other threads:[~2017-04-19 15:01 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-16 23:59 [RFC][PATCH 00/13] overlayfs stable inodes Amir Goldstein
2017-04-16 23:59 ` [RFC][PATCH 01/13] ovl: check if all layers are on the same fs Amir Goldstein
2017-04-16 23:59 ` [RFC][PATCH 02/13] ovl: redirect dir by file handle on copy up Amir Goldstein
2017-04-17 13:33   ` Rock Lee
2017-04-17 14:03     ` Amir Goldstein
2017-04-17 19:49   ` Vivek Goyal
2017-04-17 21:14     ` Amir Goldstein
2017-04-19 15:16   ` Miklos Szeredi
2017-04-19 15:27     ` Amir Goldstein
2017-04-19 15:33       ` Miklos Szeredi
2017-04-19 15:43         ` Amir Goldstein
2017-04-20  8:55       ` Amir Goldstein
2017-04-21 15:02         ` Miklos Szeredi
2017-04-21 15:29           ` Amir Goldstein
2017-04-16 23:59 ` [RFC][PATCH 03/13] ovl: lookup redirect by file handle Amir Goldstein
2017-04-18 13:05   ` Vivek Goyal
2017-04-18 14:05     ` Amir Goldstein
2017-04-18 18:32       ` Vivek Goyal
2017-04-18 18:57         ` Amir Goldstein
2017-04-19 15:21           ` Miklos Szeredi
2017-04-19 15:35             ` Amir Goldstein
2017-04-16 23:59 ` [RFC][PATCH 04/13] ovl: store file handle of stable inode Amir Goldstein
2017-04-16 23:59 ` [RFC][PATCH 05/13] ovl: lookup stable inode by file handle Amir Goldstein
2017-04-16 23:59 ` [RFC][PATCH 06/13] ovl: move inode helpers to inode.c Amir Goldstein
2017-04-16 23:59 ` [RFC][PATCH 07/13] ovl: create helpers for initializing hashed inode Amir Goldstein
2017-04-16 23:59 ` [RFC][PATCH 08/13] ovl: allow hashing non upper inodes Amir Goldstein
2017-04-16 23:59 ` [RFC][PATCH 09/13] ovl: inherit overlay inode ino/generation from real inode Amir Goldstein
2017-04-16 23:59 ` [RFC][PATCH 10/13] ovl: hash overlay inodes by stable inode Amir Goldstein
2017-04-16 23:59 ` [RFC][PATCH 11/13] ovl: fix du --one-file-system on overlay mount Amir Goldstein
2017-04-16 23:59 ` [RFC][PATCH 12/13] ovl: constant ino across copy up Amir Goldstein
2017-04-16 23:59 ` [RFC][PATCH 13/13] ovl: try to hardlink upper on copy up of lower hardlinks Amir Goldstein
2017-04-18 18:37 ` [RFC][PATCH 00/13] overlayfs stable inodes Amir Goldstein
2017-04-19  9:16   ` Miklos Szeredi
2017-04-19 10:37     ` Amir Goldstein
2017-04-19 13:52       ` Miklos Szeredi
2017-04-19 14:46         ` Amir Goldstein
2017-04-19 15:01           ` Miklos Szeredi [this message]
2017-04-19 15:17             ` Amir Goldstein
2017-04-19 22:58               ` Darrick J. Wong
2017-04-19 23:15                 ` Andreas Dilger
2017-04-20  5:43                   ` Amir Goldstein
2017-04-20  8:45                   ` Miklos Szeredi
2017-04-20  8:47                     ` Miklos Szeredi

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