diff options
| author | Jan Kara <jack@suse.cz> | 2022-06-23 10:48:28 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-06-27 15:29:12 +0300 |
| commit | 893e5d32d5832674bcf6465f27958e883b72b346 (patch) | |
| tree | 4b20c6a89835a6ffca1f5af19703a90622b3ec46 /include/linux/ioprio.h | |
| parent | f7eda402878b12bc0884c5bc1192a9e76ad121fb (diff) | |
| download | linux-893e5d32d5832674bcf6465f27958e883b72b346.tar.xz | |
block: Generalize get_current_ioprio() for any task
get_current_ioprio() operates only on current task. We will need the
same functionality for other tasks as well. Generalize
get_current_ioprio() for that and also move the bulk out of the header
file because it is large enough.
Reviewed-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Tested-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20220623074840.5960-3-jack@suse.cz
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/linux/ioprio.h')
| -rw-r--r-- | include/linux/ioprio.h | 26 |
1 files changed, 10 insertions, 16 deletions
diff --git a/include/linux/ioprio.h b/include/linux/ioprio.h index 61ed6bb4998e..9752cf4a9c7c 100644 --- a/include/linux/ioprio.h +++ b/include/linux/ioprio.h @@ -46,24 +46,18 @@ static inline int task_nice_ioclass(struct task_struct *task) return IOPRIO_CLASS_BE; } -/* - * If the calling process has set an I/O priority, use that. Otherwise, return - * the default I/O priority. - */ -static inline int get_current_ioprio(void) +#ifdef CONFIG_BLOCK +int __get_task_ioprio(struct task_struct *p); +#else +static inline int __get_task_ioprio(struct task_struct *p) { - struct io_context *ioc = current->io_context; - int prio; - - if (ioc) - prio = ioc->ioprio; - else - prio = IOPRIO_DEFAULT; + return IOPRIO_DEFAULT; +} +#endif /* CONFIG_BLOCK */ - if (IOPRIO_PRIO_CLASS(prio) == IOPRIO_CLASS_NONE) - prio = IOPRIO_PRIO_VALUE(task_nice_ioclass(current), - task_nice_ioprio(current)); - return prio; +static inline int get_current_ioprio(void) +{ + return __get_task_ioprio(current); } /* |