Closed lindig closed 6 years ago
This is a backport from the master branch to branch 0.11-lcm:
96479f6 2018-05-25 Revert "CA-280242: Open destination VDI O_DIRECT (as well as so.. ..ian Lindig
CA-289459: use fdatasync periodically rather than writing O_DIRECT
This allows tapdisk to coalesce requests which ends up being way more efficient. We call fdatasync after every 4 megs of data written.
Signed-off-by: Edwin Török edvin.torok@citrix.com Signed-off-by: Jon Ludlam jonathan.ludlam@citrix.com
This is a backport from the master branch to branch 0.11-lcm:
96479f6 2018-05-25 Revert "CA-280242: Open destination VDI O_DIRECT (as well as so.. ..ian Lindig
CA-289459: use fdatasync periodically rather than writing O_DIRECT
This allows tapdisk to coalesce requests which ends up being way more efficient. We call fdatasync after every 4 megs of data written.
Signed-off-by: Edwin Török edvin.torok@citrix.com Signed-off-by: Jon Ludlam jonathan.ludlam@citrix.com