X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=Documentation%2Fblock%2Fdeadline-iosched.txt;h=be08ffd1e9b82a52504c05ad657ebb4bd895d80b;hb=refs%2Fheads%2Fvserver;hp=c918b3a6022dd04c48f396d81c372c7d7538a682;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git diff --git a/Documentation/block/deadline-iosched.txt b/Documentation/block/deadline-iosched.txt index c918b3a60..be08ffd1e 100644 --- a/Documentation/block/deadline-iosched.txt +++ b/Documentation/block/deadline-iosched.txt @@ -23,11 +23,11 @@ you can do so by typing: read_expire (in ms) ----------- -The goal of the deadline io scheduler is to attempt to guarentee a start +The goal of the deadline io scheduler is to attempt to guarantee a start service time for a request. As we focus mainly on read latencies, this is tunable. When a read request first enters the io scheduler, it is assigned a deadline that is the current time + the read_expire value in units of -miliseconds. +milliseconds. write_expire (in ms)