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authorDavid S. Miller <davem@davemloft.net>2008-05-15 03:34:44 -0400
committerDavid S. Miller <davem@davemloft.net>2008-05-15 03:34:44 -0400
commit63fe46da9c380b3f2bbdf3765044649517cc717c (patch)
tree9478c1aca1d692b408955aea20c9cd9a37e589c0 /include/linux/ioprio.h
parent99dd1a2b8347ac2ae802300b7862f6f7bcf17139 (diff)
parent066b2118976e6e7cc50eed39e2747c75343a23c4 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/wireless/iwlwifi/iwl-4965-rs.c drivers/net/wireless/rt2x00/rt61pci.c
Diffstat (limited to 'include/linux/ioprio.h')
-rw-r--r--include/linux/ioprio.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/ioprio.h b/include/linux/ioprio.h
index 2a3bb1bb7433..f98a656b17e5 100644
--- a/include/linux/ioprio.h
+++ b/include/linux/ioprio.h
@@ -68,6 +68,20 @@ static inline int task_nice_ioprio(struct task_struct *task)
68} 68}
69 69
70/* 70/*
71 * This is for the case where the task hasn't asked for a specific IO class.
72 * Check for idle and rt task process, and return appropriate IO class.
73 */
74static inline int task_nice_ioclass(struct task_struct *task)
75{
76 if (task->policy == SCHED_IDLE)
77 return IOPRIO_CLASS_IDLE;
78 else if (task->policy == SCHED_FIFO || task->policy == SCHED_RR)
79 return IOPRIO_CLASS_RT;
80 else
81 return IOPRIO_CLASS_BE;
82}
83
84/*
71 * For inheritance, return the highest of the two given priorities 85 * For inheritance, return the highest of the two given priorities
72 */ 86 */
73extern int ioprio_best(unsigned short aprio, unsigned short bprio); 87extern int ioprio_best(unsigned short aprio, unsigned short bprio);