diff options
Diffstat (limited to 'fs/io-wq.h')
-rw-r--r-- | fs/io-wq.h | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/fs/io-wq.h b/fs/io-wq.h index fb993b2bd0ef..50b3378febf2 100644 --- a/fs/io-wq.h +++ b/fs/io-wq.h @@ -7,11 +7,11 @@ enum { IO_WQ_WORK_CANCEL = 1, IO_WQ_WORK_HAS_MM = 2, IO_WQ_WORK_HASHED = 4, - IO_WQ_WORK_NEEDS_USER = 8, - IO_WQ_WORK_NEEDS_FILES = 16, IO_WQ_WORK_UNBOUND = 32, IO_WQ_WORK_INTERNAL = 64, IO_WQ_WORK_CB = 128, + IO_WQ_WORK_NO_CANCEL = 256, + IO_WQ_WORK_CONCURRENT = 512, IO_WQ_HASH_SHIFT = 24, /* upper 8 bits are used for hash key */ }; @@ -72,6 +72,8 @@ struct io_wq_work { }; void (*func)(struct io_wq_work **); struct files_struct *files; + struct mm_struct *mm; + const struct cred *creds; unsigned flags; }; @@ -81,21 +83,22 @@ struct io_wq_work { (work)->func = _func; \ (work)->flags = 0; \ (work)->files = NULL; \ + (work)->mm = NULL; \ + (work)->creds = NULL; \ } while (0) \ typedef void (get_work_fn)(struct io_wq_work *); typedef void (put_work_fn)(struct io_wq_work *); struct io_wq_data { - struct mm_struct *mm; struct user_struct *user; - const struct cred *creds; get_work_fn *get_work; put_work_fn *put_work; }; struct io_wq *io_wq_create(unsigned bounded, struct io_wq_data *data); +bool io_wq_get(struct io_wq *wq, struct io_wq_data *data); void io_wq_destroy(struct io_wq *wq); void io_wq_enqueue(struct io_wq *wq, struct io_wq_work *work); @@ -120,6 +123,10 @@ static inline void io_wq_worker_sleeping(struct task_struct *tsk) static inline void io_wq_worker_running(struct task_struct *tsk) { } -#endif /* CONFIG_IO_WQ */ +#endif -#endif /* INTERNAL_IO_WQ_H */ +static inline bool io_wq_current_is_worker(void) +{ + return in_task() && (current->flags & PF_IO_WORKER); +} +#endif |