t/zbd: avoid test case 31 failure with small devices

[fio.git] / engines / filestat.c

diff --git a/engines/filestat.c b/engines/filestat.c
deleted file mode 100644 (file)
index 7952593..0000000
--- a/engines/filestat.c
+++ /dev/null
@@ -1,116 +0,0 @@
-/*
- * filestat engine
- *
- * IO engine that doesn't do any IO, just stat files and tracks the latency
- * of the file stat.
- */
-#include <stdio.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include "../fio.h"
-
-struct fc_data {
-       enum fio_ddir stat_ddir;
-};
-
-static int stat_file(struct thread_data *td, struct fio_file *f)
-{
-       struct timespec start;
-       int do_lat = !td->o.disable_lat;
-       struct stat statbuf;
-       int ret;
-
-       dprint(FD_FILE, "fd stat %s\n", f->file_name);
-
-       if (f->filetype != FIO_TYPE_FILE) {
-               log_err("fio: only files are supported\n");
-               return 1;
-       }
-       if (!strcmp(f->file_name, "-")) {
-               log_err("fio: can't read/write to stdin/out\n");
-               return 1;
-       }
-
-       if (do_lat)
-               fio_gettime(&start, NULL);
-
-       ret = stat(f->file_name, &statbuf);
-
-       if (ret == -1) {
-               char buf[FIO_VERROR_SIZE];
-               int e = errno;
-
-               snprintf(buf, sizeof(buf), "stat(%s)", f->file_name);
-               td_verror(td, e, buf);
-               return 1;
-       }
-
-       if (do_lat) {
-               struct fc_data *data = td->io_ops_data;
-               uint64_t nsec;
-
-               nsec = ntime_since_now(&start);
-               add_clat_sample(td, data->stat_ddir, nsec, 0, 0, 0);
-       }
-
-       return 0;
-}
-
-static enum fio_q_status queue_io(struct thread_data *td, struct io_u fio_unused *io_u)
-{
-       return FIO_Q_COMPLETED;
-}
-
-static int init(struct thread_data *td)
-{
-       struct fc_data *data;
-
-       data = calloc(1, sizeof(*data));
-
-       if (td_read(td))
-               data->stat_ddir = DDIR_READ;
-       else if (td_write(td))
-               data->stat_ddir = DDIR_WRITE;
-
-       td->io_ops_data = data;
-       return 0;
-}
-
-static void cleanup(struct thread_data *td)
-{
-       struct fc_data *data = td->io_ops_data;
-
-       free(data);
-}
-
-static int stat_invalidate(struct thread_data *td, struct fio_file *f)
-{
-       /* do nothing because file not opened */
-       return 0;
-}
-
-static struct ioengine_ops ioengine = {
-       .name           = "filestat",
-       .version        = FIO_IOOPS_VERSION,
-       .init           = init,
-       .cleanup        = cleanup,
-       .queue          = queue_io,
-       .invalidate     = stat_invalidate,
-       .get_file_size  = generic_get_file_size,
-       .open_file      = stat_file,
-       .flags          =  FIO_SYNCIO | FIO_FAKEIO |
-                               FIO_NOSTATS | FIO_NOFILEHASH,
-};
-
-static void fio_init fio_filestat_register(void)
-{
-       register_ioengine(&ioengine);
-}
-
-static void fio_exit fio_filestat_unregister(void)
-{
-       unregister_ioengine(&ioengine);
-}