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loop: fix loop block driver discard and encryption comment 

The loop driver does not support discard if encryption is enabled,
fix the comment.

Signed-off-by: Dave Young <dyoung@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
hifive-unleashed-5.1
Dave Young 2011-11-25 09:41:25 +01:00 committed by Jens Axboe
parent 5151412dd4
commit ae95757a90
1 changed files with 1 additions and 1 deletions
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2
drivers/block/loop.c
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@ -422,7 +422,7 @@ static int do_bio_filebacked(struct loop_device *lo, struct bio *bio)
/*
* We use punch hole to reclaim the free space used by the
* image a.k.a. discard. However we do support discard if
* image a.k.a. discard. However we do not support discard if
* encryption is enabled, because it may give an attacker
* useful information.
*/