Skip to content
Commit 5a023cdb authored by Dan Williams's avatar Dan Williams
Browse files

block: enable dax for raw block devices



If an application wants exclusive access to all of the persistent memory
provided by an NVDIMM namespace it can use this raw-block-dax facility
to forgo establishing a filesystem.  This capability is targeted
primarily to hypervisors wanting to provision persistent memory for
guests.  It can be disabled / enabled dynamically via the new BLKDAXSET
ioctl.

Cc: Jeff Moyer <jmoyer@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Ross Zwisler <ross.zwisler@linux.intel.com>
Reported-by: default avatarkbuild test robot <fengguang.wu@intel.com>
Reviewed-by: default avatarJan Kara <jack@suse.com>
Signed-off-by: default avatarDan Williams <dan.j.williams@intel.com>
parent 4ebb16ca
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment