From bcf090e0040e30f8409e6a535a01e6473afb096f Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kmo@daterainc.com>
Date: Mon, 19 May 2014 08:57:55 -0700
Subject: [PATCH] bcache: Make sure to pass GFP_WAIT to mempool_alloc()

this was very wrong - mempool_alloc() only guarantees success with GFP_WAIT.
bcache uses GFP_NOWAIT in various other places where we have a fallback,
circuits must've gotten crossed when writing this code or something.

Signed-off-by: Kent Overstreet <kmo@daterainc.com>
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