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authorAdrian Hunter <adrian.hunter@nokia.com>2010-08-11 14:17:49 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-12 08:43:30 -0700
commit8d57a98ccd0b4489003473979da8f5a1363ba7a3 (patch)
tree2982997ce66bb6a92c020b7189966c3097095fd7 /drivers
parent93caf8e69eac763f6a20cf253ace8e7fc1ab7953 (diff)
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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>
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