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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>
This commit is contained in:
Christoph Hellwig 2014-04-25 00:36:37 -07:00 committed by Jens Axboe
parent c4a634f432
commit bdcfa3e57c
1 changed files with 1 additions and 0 deletions
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drivers/char/random.c
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@ -902,6 +902,7 @@ void add_disk_randomness(struct gendisk *disk)
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
/*********************************************************************