static int root_warn;
+static inline void clear_error(struct thread_data *td)
+{
+ td->error = 0;
+ td->verror[0] = '\0';
+}
+
+/*
+ * Leaves f->fd open on success, caller must close
+ */
static int extend_file(struct thread_data *td, struct fio_file *f)
{
int r, new_layout = 0, unlink_file = 0, flags;
if (!new_layout)
goto done;
- dprint(FD_FILE, "truncate file %s, size %llu\n", f->file_name,
+ /*
+ * The size will be -1ULL when fill_device is used, so don't truncate
+ * or fallocate this file, just write it
+ */
+ if (!td->o.fill_device) {
+ dprint(FD_FILE, "truncate file %s, size %llu\n", f->file_name,
f->real_file_size);
- if (ftruncate(f->fd, f->real_file_size) == -1) {
- td_verror(td, errno, "ftruncate");
- goto err;
- }
+ if (ftruncate(f->fd, f->real_file_size) == -1) {
+ td_verror(td, errno, "ftruncate");
+ goto err;
+ }
- dprint(FD_FILE, "fallocate file %s, size %llu\n", f->file_name,
+#ifdef FIO_HAVE_FALLOCATE
+ dprint(FD_FILE, "fallocate file %s, size %llu\n", f->file_name,
f->real_file_size);
- if (posix_fallocate(f->fd, 0, f->real_file_size) < 0) {
- td_verror(td, errno, "posix_fallocate");
- goto err;
+ r = posix_fallocate(f->fd, 0, f->real_file_size);
+ if (r < 0) {
+ log_err("fio: posix_fallocate fails: %s\n",
+ strerror(-r));
+ }
+#endif
}
b = malloc(td->o.max_bs[DDIR_WRITE]);
r = write(f->fd, b, bs);
- if (r == (int) bs) {
- left -= bs;
+ if (r > 0) {
+ left -= r;
continue;
} else {
- if (r < 0)
+ if (r < 0) {
+ int __e = errno;
+
+ if (__e == ENOSPC) {
+ if (td->o.fill_device)
+ break;
+ log_info("fio: ENOSPC on laying out "
+ "file, stopping\n");
+ break;
+ }
td_verror(td, errno, "write");
- else
+ } else
td_verror(td, EIO, "write");
break;
goto err;
}
}
+ if (td->o.fill_device && !td_write(td)) {
+ fio_file_clear_size_known(f);
+ if (td_io_get_file_size(td, f))
+ goto err;
+ if (f->io_size > f->real_file_size)
+ f->io_size = f->real_file_size;
+ }
free(b);
done:
- close(f->fd);
- f->fd = -1;
return 0;
err:
close(f->fd);
return 1;
}
+static int pre_read_file(struct thread_data *td, struct fio_file *f)
+{
+ int r, did_open = 0, old_runstate;
+ unsigned long long left;
+ unsigned int bs;
+ char *b;
+
+ if (!fio_file_open(f)) {
+ if (td->io_ops->open_file(td, f)) {
+ log_err("fio: cannot pre-read, failed to open file\n");
+ return 1;
+ }
+ did_open = 1;
+ }
+
+ old_runstate = td->runstate;
+ td_set_runstate(td, TD_PRE_READING);
+
+ bs = td->o.max_bs[DDIR_READ];
+ b = malloc(bs);
+ memset(b, 0, bs);
+
+ lseek(f->fd, f->file_offset, SEEK_SET);
+ left = f->io_size;
+
+ while (left && !td->terminate) {
+ if (bs > left)
+ bs = left;
+
+ r = read(f->fd, b, bs);
+
+ if (r == (int) bs) {
+ left -= bs;
+ continue;
+ } else {
+ td_verror(td, EIO, "pre_read");
+ break;
+ }
+ }
+
+ td_set_runstate(td, old_runstate);
+
+ if (did_open)
+ td->io_ops->close_file(td, f);
+ free(b);
+ return 0;
+}
+
static unsigned long long get_rand_file_size(struct thread_data *td)
{
- unsigned long long ret, size_d;
+ unsigned long long ret, sized;
long r;
r = os_random_long(&td->file_size_state);
- size_d = td->o.file_size_high - td->o.file_size_low;
- ret = (unsigned long long) ((double) size_d * (r / (RAND_MAX + 1.0)));
+ sized = td->o.file_size_high - td->o.file_size_low;
+ ret = (unsigned long long) ((double) sized * (r / (OS_RAND_MAX + 1.0)));
ret += td->o.file_size_low;
ret -= (ret % td->o.rw_min_bs);
return ret;
{
struct stat st;
- if (fstat(f->fd, &st) == -1) {
+ if (stat(f->file_name, &st) == -1) {
td_verror(td, errno, "fstat");
return 1;
}
unsigned long long bytes;
int r;
+ if (td->io_ops->open_file(td, f)) {
+ log_err("fio: failed opening blockdev %s for size check\n",
+ f->file_name);
+ return 1;
+ }
+
r = blockdev_size(f->fd, &bytes);
if (r) {
td_verror(td, r, "blockdev_size");
- return 1;
+ goto err;
+ }
+
+ if (!bytes) {
+ log_err("%s: zero sized block device?\n", f->file_name);
+ goto err;
}
f->real_file_size = bytes;
+ td->io_ops->close_file(td, f);
return 0;
+err:
+ td->io_ops->close_file(td, f);
+ return 1;
}
static int get_file_size(struct thread_data *td, struct fio_file *f)
{
int ret = 0;
- if (f->flags & FIO_SIZE_KNOWN)
+ if (fio_file_size_known(f))
return 0;
if (f->filetype == FIO_TYPE_FILE)
return 1;
}
- f->flags |= FIO_SIZE_KNOWN;
+ fio_file_set_size_known(f);
return 0;
}
-int file_invalidate_cache(struct thread_data *td, struct fio_file *f)
+static int __file_invalidate_cache(struct thread_data *td, struct fio_file *f,
+ unsigned long long off,
+ unsigned long long len)
{
int ret = 0;
- dprint(FD_IO, "invalidate cache (%d)\n", td->o.odirect);
+ if (len == -1ULL)
+ len = f->io_size;
+ if (off == -1ULL)
+ off = f->file_offset;
- if (td->o.odirect)
+ if (len == -1ULL || off == -1ULL)
return 0;
+ dprint(FD_IO, "invalidate cache %s: %llu/%llu\n", f->file_name, off,
+ len);
+
/*
* FIXME: add blockdev flushing too
*/
- if (f->mmap)
- ret = madvise(f->mmap, f->io_size, MADV_DONTNEED);
+ if (f->mmap_ptr)
+ ret = madvise(f->mmap_ptr, f->mmap_sz, MADV_DONTNEED);
else if (f->filetype == FIO_TYPE_FILE) {
- ret = fadvise(f->fd, f->file_offset, f->io_size,
- POSIX_FADV_DONTNEED);
+ ret = fadvise(f->fd, off, len, POSIX_FADV_DONTNEED);
} else if (f->filetype == FIO_TYPE_BD) {
ret = blockdev_invalidate_cache(f->fd);
if (ret < 0 && errno == EACCES && geteuid()) {
if (ret < 0) {
td_verror(td, errno, "invalidate_cache");
return 1;
+ } else if (ret > 0) {
+ td_verror(td, ret, "invalidate_cache");
+ return 1;
}
return ret;
+
+}
+
+int file_invalidate_cache(struct thread_data *td, struct fio_file *f)
+{
+ if (!fio_file_open(f))
+ return 0;
+
+ return __file_invalidate_cache(td, f, -1ULL, -1ULL);
}
int generic_close_file(struct thread_data fio_unused *td, struct fio_file *f)
if (td->o.sync_io)
flags |= O_SYNC;
if (f->filetype != FIO_TYPE_FILE)
- flags |= O_NOATIME;
+ flags |= FIO_O_NOATIME;
+ if (td->o.create_on_open)
+ flags |= O_CREAT;
open_again:
if (td_write(td)) {
char buf[FIO_VERROR_SIZE];
int __e = errno;
- if (errno == EPERM && (flags & O_NOATIME)) {
- flags &= ~O_NOATIME;
+ if (__e == EPERM && (flags & FIO_O_NOATIME)) {
+ flags &= ~FIO_O_NOATIME;
goto open_again;
}
td_verror(td, __e, buf);
}
- if (get_file_size(td, f))
- goto err;
-
if (!from_hash && f->fd != -1) {
if (add_file_hash(f)) {
int ret;
}
return 0;
-err:
- close(f->fd);
- return 1;
}
-int open_files(struct thread_data *td)
+int generic_get_file_size(struct thread_data *td, struct fio_file *f)
{
- struct fio_file *f;
- unsigned int i;
- int err = 0;
-
- dprint(FD_FILE, "open files\n");
-
- for_each_file(td, f, i) {
- err = td_io_open_file(td, f);
- if (err) {
- if (td->error == EMFILE) {
- log_err("fio: limited open files to: %d\n",
- td->nr_open_files);
- td->o.open_files = td->nr_open_files;
- err = 0;
- clear_error(td);
- }
- break;
- }
-
- if (td->o.open_files == td->nr_open_files)
- break;
- }
-
- if (!err)
- return 0;
-
- for_each_file(td, f, i)
- td_io_close_file(td, f);
-
- return err;
+ return get_file_size(td, f);
}
/*
dprint(FD_FILE, "get file size for %p/%d/%p\n", f, i,
f->file_name);
- if (td->io_ops->open_file(td, f)) {
+ if (td_io_get_file_size(td, f)) {
if (td->error != ENOENT) {
log_err("%s\n", td->verror);
err = 1;
}
clear_error(td);
- } else {
- if (td->io_ops->close_file)
- td->io_ops->close_file(td, f);
}
if (f->real_file_size == -1ULL && td->o.size)
if (f->filetype == FIO_TYPE_FILE &&
(f->io_size + f->file_offset) > f->real_file_size &&
!(td->io_ops->flags & FIO_DISKLESSIO)) {
- need_extend++;
- extend_size += (f->io_size + f->file_offset);
- f->flags |= FIO_FILE_EXTEND;
+ if (!td->o.create_on_open) {
+ need_extend++;
+ extend_size += (f->io_size + f->file_offset);
+ } else
+ f->real_file_size = f->io_size + f->file_offset;
+ fio_file_set_extend(f);
}
}
*/
if (need_extend) {
temp_stall_ts = 1;
- log_info("%s: Laying out IO file(s) (%u file(s) / %LuMiB)\n",
- td->o.name, need_extend, extend_size >> 20);
+ if (!terse_output)
+ log_info("%s: Laying out IO file(s) (%u file(s) /"
+ " %LuMiB)\n", td->o.name, need_extend,
+ extend_size >> 20);
for_each_file(td, f, i) {
- if (!(f->flags & FIO_FILE_EXTEND))
+ unsigned long long old_len = -1ULL, extend_len = -1ULL;
+
+ if (!fio_file_extend(f))
continue;
assert(f->filetype == FIO_TYPE_FILE);
- f->flags &= ~FIO_FILE_EXTEND;
+ fio_file_clear_extend(f);
+ if (!td->o.fill_device) {
+ old_len = f->real_file_size;
+ extend_len = f->io_size + f->file_offset - old_len;
+ }
f->real_file_size = (f->io_size + f->file_offset);
err = extend_file(td, f);
if (err)
break;
+
+ err = __file_invalidate_cache(td, f, old_len,
+ extend_len);
+ close(f->fd);
+ f->fd = -1;
+ if (err)
+ break;
}
temp_stall_ts = 0;
}
return 1;
}
+int pre_read_files(struct thread_data *td)
+{
+ struct fio_file *f;
+ unsigned int i;
+
+ dprint(FD_FILE, "pre_read files\n");
+
+ for_each_file(td, f, i) {
+ pre_read_file(td, f);
+ }
+
+ return 1;
+}
+
int init_random_map(struct thread_data *td)
{
unsigned long long blocks, num_maps;
(unsigned long long) td->o.rw_min_bs;
num_maps = (blocks + BLOCKS_PER_MAP - 1) /
(unsigned long long) BLOCKS_PER_MAP;
- f->file_map = smalloc(num_maps * sizeof(long));
- if (!f->file_map) {
+ f->file_map = smalloc(num_maps * sizeof(int));
+ if (f->file_map) {
+ f->num_maps = num_maps;
+ continue;
+ }
+ if (!td->o.softrandommap) {
log_err("fio: failed allocating random map. If running"
" a large number of jobs, try the 'norandommap'"
- " option\n");
+ " option or set 'softrandommap'. Or give"
+ " a larger --alloc-size to fio.\n");
return 1;
}
- f->num_maps = num_maps;
+
+ log_info("fio: file %s failed allocating random map. Running "
+ "job without.\n", f->file_name);
+ f->num_maps = 0;
}
return 0;
struct fio_file *f;
unsigned int i;
- for_each_file(td, f, i)
- td_io_close_file(td, f);
+ for_each_file(td, f, i) {
+ if (fio_file_open(f))
+ td_io_close_file(td, f);
+ }
}
void close_and_free_files(struct thread_data *td)
unlink(f->file_name);
}
- td_io_close_file(td, f);
+ if (fio_file_open(f))
+ td_io_close_file(td, f);
+
+ remove_file_hash(f);
sfree(f->file_name);
f->file_name = NULL;
dprint(FD_FILE, "add file %s\n", fname);
f = smalloc(sizeof(*f));
+ if (!f) {
+ log_err("fio: smalloc OOM\n");
+ assert(0);
+ }
+
f->fd = -1;
- dprint(FD_FILE, "resize file array to %d files\n", cur_files + 1);
+ if (td->files_size <= td->files_index) {
+ int new_size = td->o.nr_files + 1;
- td->files = realloc(td->files, (cur_files + 1) * sizeof(f));
+ dprint(FD_FILE, "resize file array to %d files\n", new_size);
+
+ td->files = realloc(td->files, new_size * sizeof(f));
+ td->files_size = new_size;
+ }
td->files[cur_files] = f;
/*
sprintf(file_name + len, "%s", fname);
f->file_name = smalloc_strdup(file_name);
-
+ if (!f->file_name) {
+ log_err("fio: smalloc OOM\n");
+ assert(0);
+ }
+
get_file_type(f);
switch (td->o.file_lock_mode) {
void get_file(struct fio_file *f)
{
dprint(FD_FILE, "get file %s, ref=%d\n", f->file_name, f->references);
- assert(f->flags & FIO_FILE_OPEN);
+ assert(fio_file_open(f));
f->references++;
}
dprint(FD_FILE, "put file %s, ref=%d\n", f->file_name, f->references);
- if (!(f->flags & FIO_FILE_OPEN))
+ if (!fio_file_open(f)) {
+ assert(f->fd == -1);
return 0;
+ }
assert(f->references);
if (--f->references)
ret = td->io_ops->close_file(td, f);
if (!ret)
- ret = !f_ret;
+ ret = f_ret;
td->nr_open_files--;
- f->flags &= ~FIO_FILE_OPEN;
+ fio_file_clear_open(f);
+ assert(f->fd == -1);
return ret;
}
struct fio_file *__f;
__f = smalloc(sizeof(*__f));
-
- if (f->file_name)
+ if (!__f) {
+ log_err("fio: smalloc OOM\n");
+ assert(0);
+ }
+ __f->fd = -1;
+
+ if (f->file_name) {
__f->file_name = smalloc_strdup(f->file_name);
+ if (!__f->file_name) {
+ log_err("fio: smalloc OOM\n");
+ assert(0);
+ }
+
+ __f->filetype = f->filetype;
+ }
td->files[i] = __f;
}
projects / fio.git / blobdiff