]> git.kernelconcepts.de Git - karo-tx-linux.git/commit
dm: add support for passing through persistent reservations
authorChristoph Hellwig <hch@lst.de>
Thu, 15 Oct 2015 12:10:51 +0000 (14:10 +0200)
committerMike Snitzer <snitzer@redhat.com>
Sat, 31 Oct 2015 23:05:59 +0000 (19:05 -0400)
commit71cdb6978a80f9f6c51bef0622388c1414c2fe32
tree0cb8dd73c2cf471f27e7e176d6d04b2d9ffcbd02
parente56f81e0b01ef4e45292d8c1e19edd4d09724e14
dm: add support for passing through persistent reservations

This adds support to pass through persistent reservation requests
similar to the existing ioctl handling, and with the same limitations,
e.g. devices may only have a single target attached.

This is mostly intended for multipathing.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
drivers/md/dm-mpath.c
drivers/md/dm.c
include/uapi/linux/dm-ioctl.h