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From: Hugo Mills <hugo@carfax.org.uk>
To: Pete <pete@petezilla.co.uk>
Cc: linux-btrfs@vger.kernel.org
Subject: Re: Move from 5.9.3 kernel to 5.4.75?
Date: Sat, 7 Nov 2020 15:44:17 +0000	[thread overview]
Message-ID: <20201107154417.GP30996@savella.carfax.org.uk> (raw)
In-Reply-To: <7d436bf1-80d2-a298-d124-e9385fb6ef42@petezilla.co.uk>

On Sat, Nov 07, 2020 at 03:12:59PM +0000, Pete wrote:
> Is there an impact for btrfs for moving from a 5.9.3 kernel to 5.4.75
> kernel?  I'm using raid1 or single (more than one file system), no 1c2
> or 1c3 etc, space_cache_v2 and zstd compression.  The reason is that I'm
> trying to see if this fixes another problem - but breaking my file
> system is a major concern.

   If it's going to fail, it'll fail safely. If there are features
used on the FS that the earlier kernel can't deal with, it'll spot
that there's incompat bits set and refuse to mount.

   You'll get back all the kernel bugs that didn't have fixes
backported, but that's all.

   Hugo.

-- 
Hugo Mills             | "There's a Martian war machine outside -- they want
hugo@... carfax.org.uk | to talk to you about a cure for the common cold."
http://carfax.org.uk/  |
PGP: E2AB1DE4          |                           Stephen Franklin, Babylon 5

  reply	other threads:[~2020-11-07 15:44 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-07 15:12 Move from 5.9.3 kernel to 5.4.75? Pete
2020-11-07 15:44 ` Hugo Mills [this message]
2020-11-07 15:52   ` Pete

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