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From: David Sterba <dsterba@suse.cz>
To: Anand Jain <anand.jain@oracle.com>
Cc: dsterba@suse.cz, David Sterba <dsterba@suse.com>,
	Qu Wenruo <quwenruo.btrfs@gmx.com>,
	linux-btrfs@vger.kernel.org, Nikolay Borisov <nborisov@suse.com>
Subject: Re: [PATCH] btrfs-progs: convert, warn if converting a fs which won't mount
Date: Wed, 4 Mar 2020 14:32:44 +0100	[thread overview]
Message-ID: <20200304133244.GP2902@twin.jikos.cz> (raw)
In-Reply-To: <fc02b904-5af5-035f-bb62-a2982409ffbe@oracle.com>

On Wed, Mar 04, 2020 at 10:14:20AM +0800, Anand Jain wrote:
> > the conversion.
> > 
> > I've tried mkfs.ext4 with 64k block size and it warns and in the
> > interactive session wants to confirm that by the user:
> > 
> >    $ mkfs.ext4 -b 64k img
> >    Warning: blocksize 65536 not usable on most systems.
> >    mke2fs 1.45.5 (07-Jan-2020)
> >    img contains a ext4 file system
> > 	  created on Tue Mar  3 18:41:46 2020
> >    Proceed anyway? (y,N) y
> >    mkfs.ext4: 65536-byte blocks too big for system (max 4096)
> >    Proceed anyway? (y,N) y
> >    Warning: 65536-byte blocks too big for system (max 4096), forced to continue
> >    Creating filesystem with 32768 64k blocks and 32768 inodes
> > 
> >    Allocating group tables: done
> >    Writing inode tables: done
> >    Creating journal (4096 blocks): done
> >    Writing superblocks and filesystem accounting information: done
> > 
> 
> Just warn is reasonable. But I don't think you meant to introduce
> interactive part similar to mkfs.ext4 in btrfs-convert?

No I haven't meant that. So let's go with the warning.

  parent reply	other threads:[~2020-03-04 13:33 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-28  8:03 [PATCH] btrfs-progs: convert, warn if converting a fs which won't mount Anand Jain
2020-02-28  8:13 ` Nikolay Borisov
2020-02-28 10:17   ` Roman Mamedov
2020-02-28  8:27 ` Qu Wenruo
2020-02-28  9:06   ` Anand Jain
2020-02-28  9:11     ` Qu Wenruo
2020-03-03 17:44     ` David Sterba
2020-03-04  2:14       ` Anand Jain
2020-03-04  2:55         ` Qu Wenruo
2020-03-04 13:32         ` David Sterba [this message]
2020-03-04 15:22           ` Anand Jain

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