X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=io_u.c;h=b0e91e7a1bcc2b52d479df079e671629b8cf3ac8;hp=ebcc8bb283eb6a65e93db799cfe9e2f83993f85e;hb=97601024a53586d77a368763f08be9ee483fdc9c;hpb=22819ec237297fc39435ed566bee01a4225bfb39 diff --git a/io_u.c b/io_u.c index ebcc8bb2..b0e91e7a 100644 --- a/io_u.c +++ b/io_u.c @@ -7,6 +7,15 @@ #include "fio.h" #include "os.h" +struct io_completion_data { + int nr; /* input */ + endio_handler *handler; /* input */ + + int error; /* output */ + unsigned long bytes_done[2]; /* output */ + struct timeval time; /* output */ +}; + /* * The ->file_map[] contains a map of blocks we have or have not done io * to yet. Used to make sure we cover the entire range in a fair fashion. @@ -374,8 +383,8 @@ struct io_u *get_io_u(struct thread_data *td, struct fio_file *f) return io_u; } -void io_completed(struct thread_data *td, struct io_u *io_u, - struct io_completion_data *icd) +static void io_completed(struct thread_data *td, struct io_u *io_u, + struct io_completion_data *icd) { unsigned long msec; @@ -418,7 +427,8 @@ void io_completed(struct thread_data *td, struct io_u *io_u, icd->error = io_u->error; } -void init_icd(struct io_completion_data *icd, icd_handler *handler, int nr) +static void init_icd(struct io_completion_data *icd, endio_handler *handler, + int nr) { fio_gettime(&icd->time, NULL); @@ -429,7 +439,8 @@ void init_icd(struct io_completion_data *icd, icd_handler *handler, int nr) icd->bytes_done[0] = icd->bytes_done[1] = 0; } -void ios_completed(struct thread_data *td, struct io_completion_data *icd) +static void ios_completed(struct thread_data *td, + struct io_completion_data *icd) { struct io_u *io_u; int i; @@ -441,3 +452,47 @@ void ios_completed(struct thread_data *td, struct io_completion_data *icd) put_io_u(td, io_u); } } + +long io_u_sync_complete(struct thread_data *td, struct io_u *io_u, + endio_handler *handler) +{ + struct io_completion_data icd; + + init_icd(&icd, handler, 1); + io_completed(td, io_u, &icd); + put_io_u(td, io_u); + + if (!icd.error) + return icd.bytes_done[0] + icd.bytes_done[1]; + + td_verror(td, icd.error); + return -1; +} + +long io_u_queued_complete(struct thread_data *td, int min_events, + endio_handler *handler) + +{ + struct timespec ts = { .tv_sec = 0, .tv_nsec = 0, }; + struct timespec *tsp = NULL; + struct io_completion_data icd; + int ret; + + if (min_events > 0) + tsp = &ts; + + ret = td_io_getevents(td, min_events, td->cur_depth, tsp); + if (ret < 0) { + td_verror(td, -ret); + return ret; + } else if (!ret) + return ret; + + init_icd(&icd, handler, ret); + ios_completed(td, &icd); + if (!icd.error) + return icd.bytes_done[0] + icd.bytes_done[1]; + + td_verror(td, icd.error); + return -1; +}