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| author | Jens Axboe <jens.axboe@oracle.com> | 2008-01-24 08:52:45 +0100 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2008-01-28 10:50:29 +0100 |
| commit | fd0928df98b9578be8a786ac0cb78a47a5e17a20 (patch) | |
| tree | 70a34cf207bea1bec28e59cf0dba7d20e7f8b0f1 /include/linux/ioprio.h | |
| parent | 91525300baf162e83e923b09ca286f9205e21522 (diff) | |
| download | lwn-fd0928df98b9578be8a786ac0cb78a47a5e17a20.tar.gz lwn-fd0928df98b9578be8a786ac0cb78a47a5e17a20.zip | |
ioprio: move io priority from task_struct to io_context
This is where it belongs and then it doesn't take up space for a
process that doesn't do IO.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'include/linux/ioprio.h')
| -rw-r--r-- | include/linux/ioprio.h | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/include/linux/ioprio.h b/include/linux/ioprio.h index baf29387cab4..2a3bb1bb7433 100644 --- a/include/linux/ioprio.h +++ b/include/linux/ioprio.h @@ -2,6 +2,7 @@ #define IOPRIO_H #include <linux/sched.h> +#include <linux/iocontext.h> /* * Gives us 8 prio classes with 13-bits of data for each class @@ -45,18 +46,18 @@ enum { * the cpu scheduler nice value to an io priority */ #define IOPRIO_NORM (4) -static inline int task_ioprio(struct task_struct *task) +static inline int task_ioprio(struct io_context *ioc) { - if (ioprio_valid(task->ioprio)) - return IOPRIO_PRIO_DATA(task->ioprio); + if (ioprio_valid(ioc->ioprio)) + return IOPRIO_PRIO_DATA(ioc->ioprio); return IOPRIO_NORM; } -static inline int task_ioprio_class(struct task_struct *task) +static inline int task_ioprio_class(struct io_context *ioc) { - if (ioprio_valid(task->ioprio)) - return IOPRIO_PRIO_CLASS(task->ioprio); + if (ioprio_valid(ioc->ioprio)) + return IOPRIO_PRIO_CLASS(ioc->ioprio); return IOPRIO_CLASS_BE; } |