tree 2982997ce66bb6a92c020b7189966c3097095fd7
parent 93caf8e69eac763f6a20cf253ace8e7fc1ab7953
author Adrian Hunter <adrian.hunter@nokia.com> 1281561469 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1281627810 -0700

block: add secure discard

Secure discard is the same as discard except that all copies of the
discarded sectors (perhaps created by garbage collection) must also be
erased.

Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com>
Acked-by: Jens Axboe <axboe@kernel.dk>
Cc: Kyungmin Park <kmpark@infradead.org>
Cc: Madhusudhan Chikkature <madhu.cr@ti.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Ben Gardiner <bengardiner@nanometrics.ca>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>