use DM_INTEGRATED_FLUSH to indicate the new option of flush request. when using DM_INTEGRATED_FLUSH, the payload of flush request is the same as mark region request. 'X' means we have this kind of request, while '0' means none. mark request : X X 0 clear request: X 0 X flush method: payload_flush payload_flush delayed flush dongmao zhang (1): improve the performance of dm-log-userspace drivers/md/dm-log-userspace-base.c | 133 +++++++++++++++++++++++++++++---- include/uapi/linux/dm-log-userspace.h | 6 +- 2 files changed, 121 insertions(+), 18 deletions(-) -- 1.7.3.4 -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
