xref: /OK3568_Linux_fs/kernel/Documentation/block/kyber-iosched.rst (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun============================
2*4882a593SmuzhiyunKyber I/O scheduler tunables
3*4882a593Smuzhiyun============================
4*4882a593Smuzhiyun
5*4882a593SmuzhiyunThe only two tunables for the Kyber scheduler are the target latencies for
6*4882a593Smuzhiyunreads and synchronous writes. Kyber will throttle requests in order to meet
7*4882a593Smuzhiyunthese target latencies.
8*4882a593Smuzhiyun
9*4882a593Smuzhiyunread_lat_nsec
10*4882a593Smuzhiyun-------------
11*4882a593SmuzhiyunTarget latency for reads (in nanoseconds).
12*4882a593Smuzhiyun
13*4882a593Smuzhiyunwrite_lat_nsec
14*4882a593Smuzhiyun--------------
15*4882a593SmuzhiyunTarget latency for synchronous writes (in nanoseconds).
16