linux-ext4 - Re: [PATCH] ext4: Don't run ext4lazyinit for read-only filesystems

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Date:   Tue, 27 Sep 2022 17:53:34 -0400
From:   "Theodore Ts'o" <tytso@....edu>
To:     adilger.kernel@...ger.ca, josh@...htriplett.org
Cc:     "Theodore Ts'o" <tytso@....edu>, linux-ext4@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ext4: Don't run ext4lazyinit for read-only filesystems

On Sun, 31 Jul 2022 20:24:53 -0700, Josh Triplett wrote:
> On a read-only filesystem, we won't invoke the block allocator, so we
> don't need to prefetch the block bitmaps.
> 
> This avoids starting and running the ext4lazyinit thread at all on a
> system with no read-write ext4 filesystems (for instance, a container VM
> with read-only filesystems underneath an overlayfs).
> 
> [...]

Applied, thanks!

[1/1] ext4: Don't run ext4lazyinit for read-only filesystems
      commit: 3490a40364962a2599bc5a8126003a47150b84d3

Best regards,
-- 
Theodore Ts'o <tytso@....edu>