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authorArnd Bergmann <arnd@arndb.de>2011-10-20 15:30:55 +0200
committerArnd Bergmann <arnd@arndb.de>2011-10-20 15:30:55 +0200
commit29ea35969b92a4be122a58c4aceea8c5e2c388d9 (patch)
tree8285c0e98e7bb03868d390b58180e3cab876a8db /drivers/mmc
parent112d17d6f75b93e1dcaec2e2232a411148b3bf71 (diff)
parentb4cbb8a4e602ea77b0525d06eff89c6a6070dab3 (diff)
Merge branch 'imx/devel' into next/devel
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/card/block.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index 1ff5486213f..4c1a648d00f 100644
--- 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)) &&