commit bdcfa3e57c9d92b082d2378bc9a64a3a8750fa8d
author Christoph Hellwig <hch@infradead.org> Fri Apr 25 00:36:37 2014 -0700
committer Jens Axboe <axboe@fb.com> Mon Apr 28 09:29:55 2014 -0600
tree d5cf798944ddc6d347cae02e5bd0df2fe8b5a0e3
parent c4a634f432376a28c9639b35746e33168ab97709

random: export add_disk_randomness

This will be needed for pending changes to the scsi midlayer that now
calls lower level block APIs, as well as any blk-mq driver that wants to
contribute to the random pool.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: "Theodore Ts'o" <tytso@mit.edu>
Signed-off-by: Jens Axboe <axboe@fb.com>

drivers/char/random.c

diff --git a/drivers/char/random.c b/drivers/char/random.c
index 6b75713..0a19d86 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -902,6 +902,7 @@
 	add_timer_randomness(disk->random, 0x100 + disk_devt(disk));
 	trace_add_disk_randomness(disk_devt(disk), ENTROPY_BITS(&input_pool));
 }
+EXPORT_SYMBOL_GPL(add_disk_randomness);
 #endif
 
 /*********************************************************************