#include <string.h>
#include <assert.h>
#include <dirent.h>
+#include <libgen.h>
#include <sys/stat.h>
#include <sys/mman.h>
#include <sys/types.h>
#include "fio.h"
#include "smalloc.h"
#include "filehash.h"
+#include "os/os.h"
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
*/
return 1;
}
+#ifdef FIO_HAVE_FALLOCATE
+ if (td->o.fallocate && !td->o.fill_device) {
+ dprint(FD_FILE, "fallocate file %s size %llu\n", f->file_name,
+ f->real_file_size);
+
+ r = posix_fallocate(f->fd, 0, f->real_file_size);
+ if (r > 0) {
+ log_err("fio: posix_fallocate fails: %s\n",
+ strerror(r));
+ }
+ }
+#endif
+
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;
+ }
}
-#ifdef FIO_HAVE_FALLOCATE
- dprint(FD_FILE, "fallocate file %s, size %llu\n", f->file_name,
- f->real_file_size);
- 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]);
memset(b, 0, 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:
unsigned int bs;
char *b;
- if (!(f->flags & FIO_FILE_OPEN)) {
+ if (td->io_ops->flags & FIO_PIPEIO)
+ return 0;
+
+ 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;
left -= bs;
continue;
} else {
- printf("r=%d\n", r);
td_verror(td, EIO, "pre_read");
break;
}
static int bdev_size(struct thread_data *td, struct fio_file *f)
{
- unsigned long long bytes;
+ unsigned long long bytes = 0;
int r;
if (td->io_ops->open_file(td, f)) {
return 1;
}
- r = blockdev_size(f->fd, &bytes);
+ r = blockdev_size(f, &bytes);
if (r) {
td_verror(td, r, "blockdev_size");
+ printf("fd is %d\n", f->fd);
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 char_size(struct thread_data *td, struct fio_file *f)
+{
+#ifdef FIO_HAVE_CHARDEV_SIZE
+ unsigned long long bytes = 0;
+ 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 = chardev_size(f, &bytes);
+ if (r) {
+ td_verror(td, r, "chardev_size");
+ goto err;
+ }
+
+ if (!bytes) {
+ log_err("%s: zero sized char 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;
+#else
+ f->real_file_size = -1ULL;
+ return 0;
+#endif
+}
+
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)
ret = file_size(td, f);
else if (f->filetype == FIO_TYPE_BD)
ret = bdev_size(td, f);
+ else if (f->filetype == FIO_TYPE_CHAR)
+ ret = char_size(td, f);
else
f->real_file_size = -1;
return ret;
if (f->file_offset > f->real_file_size) {
- log_err("%s: offset extends end (%Lu > %Lu)\n", td->o.name,
+ log_err("%s: offset extends end (%llu > %llu)\n", td->o.name,
f->file_offset, f->real_file_size);
return 1;
}
- f->flags |= FIO_SIZE_KNOWN;
+ fio_file_set_size_known(f);
return 0;
}
if (off == -1ULL)
off = f->file_offset;
+ 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, len, MADV_DONTNEED);
- else if (f->filetype == FIO_TYPE_FILE) {
- ret = fadvise(f->fd, off, len, POSIX_FADV_DONTNEED);
+ if (f->mmap_ptr) {
+ ret = posix_madvise(f->mmap_ptr, f->mmap_sz, POSIX_MADV_DONTNEED);
+#ifdef FIO_MADV_FREE
+ (void) posix_madvise(f->mmap_ptr, f->mmap_sz, FIO_MADV_FREE);
+#endif
+ } else if (f->filetype == FIO_TYPE_FILE) {
+ ret = posix_fadvise(f->fd, off, len, POSIX_FADV_DONTNEED);
} else if (f->filetype == FIO_TYPE_BD) {
- ret = blockdev_invalidate_cache(f->fd);
+ ret = blockdev_invalidate_cache(f);
if (ret < 0 && errno == EACCES && geteuid()) {
if (!root_warn) {
log_err("fio: only root may flush block "
int file_invalidate_cache(struct thread_data *td, struct fio_file *f)
{
- if (!(f->flags & FIO_FILE_OPEN))
+ if (!fio_file_open(f))
return 0;
- return __file_invalidate_cache(td, f, -1, -1);
+ return __file_invalidate_cache(td, f, -1ULL, -1ULL);
}
int generic_close_file(struct thread_data fio_unused *td, struct fio_file *f)
char buf[FIO_VERROR_SIZE];
int __e = errno;
- if (errno == EPERM && (flags & FIO_O_NOATIME)) {
+ if (__e == EPERM && (flags & FIO_O_NOATIME)) {
flags &= ~FIO_O_NOATIME;
goto open_again;
}
return err;
}
+struct fio_mount {
+ struct flist_head list;
+ const char *base;
+ char __base[256];
+ unsigned int key;
+};
+
+/*
+ * Get free number of bytes for each file on each unique mount.
+ */
+static unsigned long long get_fs_free_counts(struct thread_data *td)
+{
+ struct flist_head *n, *tmp;
+ unsigned long long ret = 0;
+ struct fio_mount *fm;
+ FLIST_HEAD(list);
+ struct fio_file *f;
+ unsigned int i;
+
+ for_each_file(td, f, i) {
+ struct stat sb;
+ char buf[256];
+
+ if (f->filetype == FIO_TYPE_BD || f->filetype == FIO_TYPE_CHAR) {
+ if (f->real_file_size != -1ULL)
+ ret += f->real_file_size;
+ continue;
+ } else if (f->filetype != FIO_TYPE_FILE)
+ continue;
+
+ strcpy(buf, f->file_name);
+
+ if (stat(buf, &sb) < 0) {
+ if (errno != ENOENT)
+ break;
+ strcpy(buf, ".");
+ if (stat(buf, &sb) < 0)
+ break;
+ }
+
+ fm = NULL;
+ flist_for_each(n, &list) {
+ fm = flist_entry(n, struct fio_mount, list);
+ if (fm->key == sb.st_dev)
+ break;
+
+ fm = NULL;
+ }
+
+ if (fm)
+ continue;
+
+ fm = malloc(sizeof(*fm));
+ strcpy(fm->__base, buf);
+ fm->base = basename(fm->__base);
+ fm->key = sb.st_dev;
+ flist_add(&fm->list, &list);
+ }
+
+ flist_for_each_safe(n, tmp, &list) {
+ unsigned long long sz;
+
+ fm = flist_entry(n, struct fio_mount, list);
+ flist_del(&fm->list);
+
+ sz = get_fs_size(fm->base);
+ if (sz && sz != -1ULL)
+ ret += sz;
+
+ free(fm);
+ }
+
+ return ret;
+}
+
/*
* Open the files and setup files sizes, creating files if necessary.
*/
total_size += f->real_file_size;
}
+ if (td->o.fill_device)
+ td->fill_device_size = get_fs_free_counts(td);
+
/*
* device/file sizes are zero and no size given, punt
*/
extend_size += (f->io_size + f->file_offset);
} else
f->real_file_size = f->io_size + f->file_offset;
- f->flags |= FIO_FILE_EXTEND;
+ fio_file_set_extend(f);
}
}
temp_stall_ts = 1;
if (!terse_output)
log_info("%s: Laying out IO file(s) (%u file(s) /"
- " %LuMiB)\n", td->o.name, need_extend,
+ " %lluMB)\n", td->o.name, need_extend,
extend_size >> 20);
for_each_file(td, f, i) {
- unsigned long long old_len, extend_len;
+ unsigned long long old_len = -1ULL, extend_len = -1ULL;
- if (!(f->flags & FIO_FILE_EXTEND))
+ if (!fio_file_extend(f))
continue;
assert(f->filetype == FIO_TYPE_FILE);
- f->flags &= ~FIO_FILE_EXTEND;
- old_len = f->real_file_size;
- extend_len = f->io_size + f->file_offset - old_len;
+ 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);
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;
-
- if (f->file_map) {
- sfree(f->file_map);
- f->file_map = NULL;
- }
+ sfree(f->file_map);
+ f->file_map = NULL;
sfree(f);
}
else
f->filetype = FIO_TYPE_FILE;
- if (!lstat(f->file_name, &sb)) {
- if (S_ISBLK(sb.st_mode))
+ if (!stat(f->file_name, &sb)) {
+ /* \\.\ is the device namespace in Windows, where every file is
+ * a block device */
+ if (S_ISBLK(sb.st_mode) || strncmp(f->file_name, "\\\\.\\", 4) == 0)
f->filetype = FIO_TYPE_BD;
else if (S_ISCHR(sb.st_mode))
f->filetype = FIO_TYPE_CHAR;
log_err("fio: smalloc OOM\n");
assert(0);
}
-
+
f->fd = -1;
+ fio_file_reset(f);
if (td->files_size <= td->files_index) {
int new_size = td->o.nr_files + 1;
log_err("fio: smalloc OOM\n");
assert(0);
}
-
+
get_file_type(f);
switch (td->o.file_lock_mode) {
return cur_files;
}
+int add_file_exclusive(struct thread_data *td, const char *fname)
+{
+ struct fio_file *f;
+ unsigned int i;
+
+ for_each_file(td, f, i) {
+ if (!strcmp(f->file_name, fname))
+ return i;
+ }
+
+ return add_file(td, fname);
+}
+
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 = f_ret;
td->nr_open_files--;
- f->flags &= ~FIO_FILE_OPEN;
+ fio_file_clear_open(f);
+ assert(f->fd == -1);
return ret;
}
log_err("fio: smalloc OOM\n");
assert(0);
}
-
+ __f->fd = -1;
+ fio_file_reset(__f);
+
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;
}
projects / fio.git / blobdiff