# This is a BitKeeper generated patch for the following project: # Project Name: Linux kernel tree # This patch format is intended for GNU patch command version 2.5 or higher. # This patch includes the following deltas: # ChangeSet 1.868 -> 1.869 # drivers/block/deadline-iosched.c 1.10 -> 1.11 # # The following is the BitKeeper ChangeSet Log # -------------------------------------------- # 02/11/08 axboe@burns.home.kernel.dk 1.869 # make 16 the default fifo_batch count. it costs us a bit of troughput, # but latency and interactiveness is greatly improved. # -------------------------------------------- # diff -Nru a/drivers/block/deadline-iosched.c b/drivers/block/deadline-iosched.c --- a/drivers/block/deadline-iosched.c Fri Nov 8 10:01:51 2002 +++ b/drivers/block/deadline-iosched.c Fri Nov 8 10:01:51 2002 @@ -25,7 +25,7 @@ * front fifo request expires. */ static int read_expire = HZ / 2; /* 500ms start timeout */ -static int fifo_batch = 32; /* 4 seeks, or 64 contig */ +static int fifo_batch = 16; static int seek_cost = 16; /* seek is 16 times more expensive */ /*