linux-ext4 - Boot fail - Cannot load crc32c driver

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Message-ID: <20180425105958.06ef1ab5@anima.localnet.prv>
Date:   Wed, 25 Apr 2018 10:59:58 -0600
From:   James Blanford <jhblanford@...il.com>
To:     "Theodore Ts'o" <tytso@....edu>
Cc:     linux-ext4@...r.kernel.org
Subject: Boot fail - Cannot load crc32c driver

I noticed the 4.14.36 patch includes a new ext4 requirement that the
crc32c driver be initialized. My system loads and uses the crc32c_intel
driver, but apparently that's not good enough. The system won't boot
without crc32c_generic, but it can't load it, because the fs it
resides on has not been mounted.

No big deal, so I explicitly include crc32c_generic in the initrd. It
boots, but I find that once booted the system doesn't seem to need
crc32c_generic for subsequent mounts.

Can this change be modified to allow any of the three crc32c drivers?

Thanks,

   -  Jim