Merge branch 'misc' into for-linus

[firefly-linux-kernel-4.4.55.git] / drivers / mmc / card / block.c

diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index 1ff5486213fbeb2682b2cad1b96d423a1fb235fa..4c1a648d00fcfbc156f62c4a551daaf368db88f8 100644 (file)
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -926,6 +926,9 @@ static void mmc_blk_rw_rq_prep(struct mmc_queue_req *mqrq,
        /*
         * Reliable writes are used to implement Forced Unit Access and
         * REQ_META accesses, and are supported only on MMCs.
+        *
+        * XXX: this really needs a good explanation of why REQ_META
+        * is treated special.
         */
        bool do_rel_wr = ((req->cmd_flags & REQ_FUA) ||
                          (req->cmd_flags & REQ_META)) &&