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| author | David S. Miller <davem@davemloft.net> | 2008-05-15 11:34:44 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-05-15 11:34:44 +0400 |
| commit | 63fe46da9c380b3f2bbdf3765044649517cc717c (patch) | |
| tree | 9478c1aca1d692b408955aea20c9cd9a37e589c0 /include/linux/ioprio.h | |
| parent | 99dd1a2b8347ac2ae802300b7862f6f7bcf17139 (diff) | |
| parent | 066b2118976e6e7cc50eed39e2747c75343a23c4 (diff) | |
| download | linux-63fe46da9c380b3f2bbdf3765044649517cc717c.tar.xz | |
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.h | 14 |
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) } /* + * This is for the case where the task hasn't asked for a specific IO class. + * Check for idle and rt task process, and return appropriate IO class. + */ +static inline int task_nice_ioclass(struct task_struct *task) +{ + if (task->policy == SCHED_IDLE) + return IOPRIO_CLASS_IDLE; + else if (task->policy == SCHED_FIFO || task->policy == SCHED_RR) + return IOPRIO_CLASS_RT; + else + return IOPRIO_CLASS_BE; +} + +/* * For inheritance, return the highest of the two given priorities */ extern int ioprio_best(unsigned short aprio, unsigned short bprio); |