commit b1e7b4e2886b1d504ebaea4f4956c56b13836b35
author Shaohua Li <shli@fb.com> Thu Aug 31 22:09:45 2017 -0700
committer Martijn Coenen <maco@android.com> Tue Oct 16 16:24:56 2018 +0200
tree b0cb643ad3e496342750202028c3187357a033c2
parent cc7cefae2a57caffd88459794b314e8c38a358c5

BACKPORT: block/loop: set hw_sectors

Loop can handle any size of request. Limiting it to 255 sectors just
burns the CPU for bio split and request merge for underlayer disk and
also cause bad fs block allocation in directio mode.

Change-Id: I15d93462de28a9b25c33f6c38a23a96a6d0f1dc8
Reviewed-by: Omar Sandoval <osandov@fb.com>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Shaohua Li <shli@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
(cherry picked from commit 54bb0ade6627a183c211345761ec46e4bf0048fe)
Signed-off-by: Martijn Coenen <maco@android.com>