#include <fcntl.h>
#include <string.h>
#include <assert.h>
+#include <dirent.h>
#include <sys/stat.h>
#include <sys/mman.h>
+#include <sys/types.h>
#include "fio.h"
#include "os.h"
{
struct fio_file *f;
int err, need_create, can_extend;
+ unsigned long long total_file_size;
unsigned int i;
+ total_file_size = td->total_file_size;
for_each_file(td, f, i) {
+ unsigned long long s;
+
+ f->file_offset = td->start_offset;
+
if (f->filetype != FIO_TYPE_FILE)
continue;
- f->file_size = td->total_file_size / td->nr_normal_files;
- f->file_offset = td->start_offset;
+ if (f->flags & FIO_FILE_EXISTS) {
+ s = f->file_size;
+ if (s > total_file_size)
+ s = total_file_size;
+
+ total_file_size -= s;
+ }
}
/*
if (f->filetype != FIO_TYPE_FILE)
continue;
+ if (f->flags & FIO_FILE_EXISTS)
+ continue;
+
+ f->file_size = total_file_size / td->nr_normal_files;
file_there = !file_ok(td, f);
{
int ret = 0;
- if (f->filetype == FIO_TYPE_FILE)
- ret = file_size(td, f);
- else if (f->filetype == FIO_TYPE_BD)
+ if (f->filetype == FIO_TYPE_FILE) {
+ if (!(f->flags & FIO_FILE_EXISTS))
+ ret = file_size(td, f);
+ } else if (f->filetype == FIO_TYPE_BD)
ret = bdev_size(td, f);
else
f->real_file_size = -1;
td_verror(td, __e, "open");
if (__e == EINVAL && td->odirect)
log_err("fio: destination does not support O_DIRECT\n");
+ if (__e == EMFILE)
+ log_err("fio: try reducing/setting openfiles (failed at %u of %u)\n", td->nr_open_files, td->nr_files);
return 1;
}
f->filetype = FIO_TYPE_FILE;
if (!lstat(f->file_name, &sb)) {
+ f->flags |= FIO_FILE_EXISTS;
+
if (S_ISBLK(sb.st_mode))
f->filetype = FIO_TYPE_BD;
else if (S_ISCHR(sb.st_mode))
f->filetype = FIO_TYPE_CHAR;
+ else {
+ /*
+ * might as well do this here, and save a stat later on
+ */
+ f->real_file_size = sb.st_size;
+ f->file_size = f->real_file_size;
+ }
}
}
td->nr_open_files--;
f->flags &= ~FIO_FILE_OPEN;
}
+
+static int recurse_dir(struct thread_data *td, const char *dirname)
+{
+ struct dirent *dir;
+ int ret = 0;
+ DIR *D;
+
+ D = opendir(dirname);
+ if (!D) {
+ td_verror(td, errno, "opendir");
+ return 1;
+ }
+
+ while ((dir = readdir(D)) != NULL) {
+ char full_path[PATH_MAX];
+ struct stat sb;
+
+ if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, ".."))
+ continue;
+
+ sprintf(full_path, "%s/%s", dirname, dir->d_name);
+
+ if (lstat(full_path, &sb) == -1) {
+ if (errno != ENOENT) {
+ td_verror(td, errno, "stat");
+ return 1;
+ }
+ }
+
+ if (S_ISREG(sb.st_mode)) {
+ add_file(td, full_path);
+ td->nr_files++;
+ continue;
+ }
+
+ if ((ret = recurse_dir(td, full_path)) != 0)
+ break;
+ }
+
+ closedir(D);
+ return ret;
+}
+
+int add_dir_files(struct thread_data *td, const char *path)
+{
+ return recurse_dir(td, path);
+}