static int root_warn;
+/*
+ * 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;
* does that for operations involving reads, or for writes
* where overwrite is set
*/
- if (td_read(td) || (td_write(td) && td->o.overwrite))
+ if (td_read(td) || (td_write(td) && td->o.overwrite) ||
+ (td_write(td) && td->io_ops->flags & FIO_NOEXTEND))
new_layout = 1;
if (td_write(td) && !td->o.overwrite)
unlink_file = 1;
if (unlink_file || new_layout) {
+ dprint(FD_FILE, "layout unlink %s\n", f->file_name);
if ((unlink(f->file_name) < 0) && (errno != ENOENT)) {
td_verror(td, errno, "unlink");
return 1;
goto err;
}
+#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]);
memset(b, 0, td->o.max_bs[DDIR_WRITE]);
}
}
- if (td->terminate)
+ if (td->terminate) {
+ dprint(FD_FILE, "terminate unlink %s\n", f->file_name);
unlink(f->file_name);
- else if (td->o.create_fsync)
- fsync(f->fd);
+ } else if (td->o.create_fsync) {
+ if (fsync(f->fd) < 0) {
+ td_verror(td, errno, "fsync");
+ goto err;
+ }
+ }
free(b);
done:
- close(f->fd);
- f->fd = -1;
return 0;
err:
close(f->fd);
static unsigned long long get_rand_file_size(struct thread_data *td)
{
- unsigned long long ret;
+ unsigned long long ret, sized;
long r;
r = os_random_long(&td->file_size_state);
- ret = td->o.file_size_low + (unsigned long long) ((double) (td->o.file_size_high - td->o.file_size_low) * (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;
}
return 1;
}
+ if (!bytes) {
+ log_err("%s: zero sized block device?\n", f->file_name);
+ return 1;
+ }
+
f->real_file_size = bytes;
return 0;
}
return ret;
if (f->file_offset > f->real_file_size) {
- log_err("%s: offset extends end (%Lu > %Lu)\n", td->o.name, f->file_offset, f->real_file_size);
+ log_err("%s: offset extends end (%Lu > %Lu)\n", td->o.name,
+ f->file_offset, f->real_file_size);
return 1;
}
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)
- 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);
- else if (f->filetype == FIO_TYPE_FILE)
- ret = fadvise(f->fd, f->file_offset, f->io_size, POSIX_FADV_DONTNEED);
- else if (f->filetype == FIO_TYPE_BD) {
+ ret = madvise(f->mmap, len, MADV_DONTNEED);
+ else if (f->filetype == FIO_TYPE_FILE) {
+ 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 (!root_warn) {
- log_err("fio: only root may flush block devices. Cache flush bypassed!\n");
+ log_err("fio: only root may flush block "
+ "devices. Cache flush bypassed!\n");
root_warn = 1;
}
ret = 0;
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 (!(f->flags & FIO_FILE_OPEN))
+ return 0;
+
+ return __file_invalidate_cache(td, f, -1, -1);
}
int generic_close_file(struct thread_data fio_unused *td, struct fio_file *f)
f->lock_owner = __f->lock_owner;
f->lock_batch = __f->lock_batch;
f->lock_ddir = __f->lock_ddir;
- f->fd = dup(__f->fd);
- f->references++;
from_hash = 1;
} else {
dprint(FD_FILE, "file not found in hash %s\n", f->file_name);
- f->fd = open(f->file_name, flags, 0600);
from_hash = 0;
}
+ f->fd = open(f->file_name, flags, 0600);
return from_hash;
}
if (td->o.sync_io)
flags |= O_SYNC;
if (f->filetype != FIO_TYPE_FILE)
- flags |= O_NOATIME;
+ flags |= FIO_O_NOATIME;
open_again:
if (td_write(td)) {
- assert(!read_only);
-
- flags |= O_RDWR;
+ if (!read_only)
+ flags |= O_RDWR;
if (f->filetype == FIO_TYPE_FILE)
flags |= O_CREAT;
char buf[FIO_VERROR_SIZE];
int __e = errno;
- if (errno == EPERM && (flags & O_NOATIME)) {
- flags &= ~O_NOATIME;
+ if (errno == EPERM && (flags & FIO_O_NOATIME)) {
+ flags &= ~FIO_O_NOATIME;
goto open_again;
}
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);
+ 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);
int err = 0;
for_each_file(td, f, i) {
- dprint(FD_FILE, "get file size for %p/%d/%p\n", f, i, f->file_name);
+ 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->error != ENOENT) {
dprint(FD_FILE, "setup files\n");
+ if (td->o.read_iolog_file)
+ return 0;
+
/*
* if ioengine defines a setup() method, it's responsible for
* opening the files and setting f->real_file_size to indicate
f->io_size = f->real_file_size - f->file_offset;
} else if (f->real_file_size < td->o.file_size_low ||
f->real_file_size > td->o.file_size_high) {
- if (f->file_offset > td->o.file_size_low)
+ if (f->file_offset > td->o.file_size_low)
goto err_offset;
/*
* file size given. if it's fixed, use that. if it's a
* range, generate a random size in-between.
*/
- if (td->o.file_size_low == td->o.file_size_high)
- f->io_size = td->o.file_size_low - f->file_offset;
- else
- f->io_size = get_rand_file_size(td) - f->file_offset;
+ if (td->o.file_size_low == td->o.file_size_high) {
+ f->io_size = td->o.file_size_low
+ - f->file_offset;
+ } else {
+ f->io_size = get_rand_file_size(td)
+ - f->file_offset;
+ }
} else
f->io_size = f->real_file_size - f->file_offset;
need_extend++;
extend_size += (f->io_size + f->file_offset);
f->flags |= FIO_FILE_EXTEND;
- }
+ }
}
if (!td->o.size || td->o.size > total_size)
*/
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) {
+ unsigned long long old_len, extend_len;
+
if (!(f->flags & FIO_FILE_EXTEND))
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;
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 0;
for_each_file(td, f, i) {
- blocks = (f->real_file_size + td->o.rw_min_bs - 1) / (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) {
- log_err("fio: failed allocating random map. If running a large number of jobs, try the 'norandommap' option\n");
+ blocks = (f->real_file_size + td->o.rw_min_bs - 1) /
+ (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(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 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;
dprint(FD_FILE, "close files\n");
for_each_file(td, f, i) {
- if (td->o.unlink && f->filetype == FIO_TYPE_FILE)
+ if (td->o.unlink && f->filetype == FIO_TYPE_FILE) {
+ dprint(FD_FILE, "free unlink %s\n", f->file_name);
unlink(f->file_name);
+ }
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);
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) {
if (f->filetype == FIO_TYPE_FILE)
td->nr_normal_files++;
- dprint(FD_FILE, "file %p \"%s\" added at %d\n", f, f->file_name, cur_files);
+ dprint(FD_FILE, "file %p \"%s\" added at %d\n", f, f->file_name,
+ cur_files);
return cur_files;
}
int put_file(struct thread_data *td, struct fio_file *f)
{
- int ret = 0;
+ int f_ret = 0, ret = 0;
dprint(FD_FILE, "put file %s, ref=%d\n", f->file_name, f->references);
return 0;
if (should_fsync(td) && td->o.fsync_on_close)
- fsync(f->fd);
+ f_ret = fsync(f->fd);
if (td->io_ops->close_file)
ret = td->io_ops->close_file(td, f);
+ if (!ret)
+ ret = f_ret;
+
td->nr_open_files--;
f->flags &= ~FIO_FILE_OPEN;
return ret;
if (!S_ISDIR(sb.st_mode))
continue;
- if ((ret = recurse_dir(td, full_path)) != 0)
+ ret = recurse_dir(td, full_path);
+ if (ret)
break;
}
struct fio_file *__f;
__f = smalloc(sizeof(*__f));
-
- if (f->file_name)
+ if (!__f) {
+ log_err("fio: smalloc OOM\n");
+ assert(0);
+ }
+
+ 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