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5 Commits

Author SHA1 Message Date
Matias Bjørling
b2b7e00148 null_blk: register as a LightNVM device 
Add support for registering as a LightNVM device. This allows us to
evaluate the performance of the LightNVM subsystem.

In /drivers/Makefile, LightNVM is moved above block device drivers
to make sure that the LightNVM media managers have been initialized
before drivers under /drivers/block are initialized.

Signed-off-by: Matias Bjørling <m@bjorling.me>
Fix by Jens Axboe to remove unneeded slab cache and the following
memory leak.
Signed-off-by: Jens Axboe <axboe@fb.com>
 2015-11-16 15:22:28 -07:00
Fam Zheng
a2787312e9 Documentation: Fix null_blk parameter irq_mode to irqmode 
To match the real module parameter name we implemented.

Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
 2014-08-26 09:35:52 +02:00
Matias Bjørling
200052440d null_blk: set use_per_node_hctx param to false 
The defaults for the module is to instantiate itself with blk-mq and a
submit queue for each CPU node in the system.

To save resources, initialize instead with a single submit queue.

Signed-off-by: Matias Bjorling <m@bjorling.me>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
 2013-12-21 09:30:33 -07:00
Matias Bjørling
89ed05eea0 null_blk: corrections to documentation 
Randy Dunlap reported a couple of grammar errors and unfortunate usages of
socket/node/core.

Signed-off-by: Matias Bjorling <m@bjorling.me>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
 2013-12-21 09:30:33 -07:00
Matias Bjorling
12f8f4fc03 null_blk: documentation 
Add description of module and its parameters.

Signed-off-by: Matias Bjorling <m@bjorling.me>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
 2013-12-19 08:09:41 -07:00