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authorKeith Busch <keith.busch@intel.com>2012-11-10 00:33:05 +0100
committerMatthew Wilcox <matthew.r.wilcox@intel.com>2013-03-26 19:18:58 +0100
commit0e5e4f0e56aca0df1d5648db0be9028bd573b25c (patch)
treea83ab74e90bae5e0a20e6fd9dd03924cac1f3db9 /arch/sh
parentMerge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/... (diff)
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NVMe: Add discard support for capable devices
This adds discard support to block queues if the nvme device is capable of deallocating blocks as indicated by the controller's optional command support. A discard flagged bio request will submit an NVMe deallocate Data Set Management command for the requested blocks. Signed-off-by: Keith Busch <keith.busch@intel.com> Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
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