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53 Commits

Author SHA1 Message Date
Jens Axboe
dece16353e block: change ->make_request_fn() and users to return a queue cookie 
No functional changes in this patch, but it prepares us for returning
a more useful cookie related to the IO that was queued up.

Signed-off-by: Jens Axboe <axboe@fb.com>
Acked-by: Christoph Hellwig <hch@lst.de>
Acked-by: Keith Busch <keith.busch@intel.com>
 2015-11-07 10:40:46 -07:00
Matias Bjørling
b7ceb7d500 lightnvm: refactor phys addrs type to u64 
For cases where CONFIG_LBDAF is not set. The struct ppa_addr exceeds its
type on 32 bit architectures. ppa_addr requires a 64bit integer to hold
the generic ppa format. We therefore refactor it to u64 and
replaces the sector_t usages with u64 for physical addresses.

Signed-off-by: Matias Bjørling <m@bjorling.me>
Signed-off-by: Jens Axboe <axboe@fb.com>
 2015-11-03 09:53:24 -07:00
Matias Bjørling
ae1519ec44 rrpc: Round-robin sector target with cost-based gc 
This target allows an Open-Channel SSD to be exposed asas a block
device.

It implements a round-robin approach for sector allocation,
together with a greedy cost-based garbage collector.

Signed-off-by: Matias Bjørling <m@bjorling.me>
Signed-off-by: Jens Axboe <axboe@fb.com>
 2015-10-29 16:21:42 +09:00