From: David Sterba <dsterba@suse.cz>
To: Liu Bo <bo.li.liu@oracle.com>
Cc: Eryu Guan <guaneryu@gmail.com>, linux-btrfs@vger.kernel.org
Subject: Re: BUG: unable to mount btrfs on ppc64 starting from v4.7-rc3 kernel
Date: Wed, 15 Jun 2016 17:33:35 +0200 [thread overview]
Message-ID: <20160615153335.GL6205@twin.jikos.cz> (raw)
In-Reply-To: <20160614182404.GA4398@localhost.localdomain>
On Tue, Jun 14, 2016 at 11:24:04AM -0700, Liu Bo wrote:
> > [ 1910.048650] BTRFS: device fsid 06813ff6-d585-4c54-b4df-b7d6920d27ba devid 1 transid 3 /dev/vda3
> > [ 1913.152085] BTRFS error (device vda3): invalid stripesize 4096
> > [ 1913.154349] BTRFS error (device vda3): superblock contains fatal errors
> > [ 1913.200300] BTRFS: open_ctree failed
>
> Ah, that's right, we need to update btrfs-progs to set super_stripesize to
> sectorsize.
>
> In mkfs.c we have,
>
> {
> u32 sectorsize = 4096;
> u32 stripesize = 4096;
> ...
> sectorsize = max(sectorsize, (u32)sysconf(_SC_PAGESIZE));
> ...
> mkfs_cfg.sectorsize = sectorsize;
> mkfs_cfg.stripesize = stripesize;
>
> ret = make_btrfs(fd, &mkfs_cfg, NULL);
> ...
> }
Yeah we need to fix progs and allow the 4k value in kernel, Chandan will
send a patch.
prev parent reply other threads:[~2016-06-15 15:33 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-14 11:13 BUG: unable to mount btrfs on ppc64 starting from v4.7-rc3 kernel Eryu Guan
2016-06-14 18:24 ` Liu Bo
2016-06-15 15:33 ` David Sterba [this message]
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