#include "fio.h"
#include "smalloc.h"
#include "filehash.h"
+#include "options.h"
#include "os/os.h"
#include "hash.h"
#include "lib/axmap.h"
static int root_warn;
+static FLIST_HEAD(filename_list);
+
static inline void clear_error(struct thread_data *td)
{
td->error = 0;
* 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->o.file_append) ||
(td_write(td) && td->io_ops->flags & FIO_NOEXTEND))
new_layout = 1;
- if (td_write(td) && !td->o.overwrite)
+ if (td_write(td) && !td->o.overwrite && !td->o.file_append)
unlink_file = 1;
if (unlink_file || new_layout) {
dprint(FD_FILE, "truncate file %s, size %llu\n", f->file_name,
(unsigned long long) f->real_file_size);
if (ftruncate(f->fd, f->real_file_size) == -1) {
- td_verror(td, errno, "ftruncate");
- goto err;
+ if (errno != EFBIG) {
+ td_verror(td, errno, "ftruncate");
+ goto err;
+ }
}
}
static int pre_read_file(struct thread_data *td, struct fio_file *f)
{
- int r, did_open = 0, old_runstate;
+ int ret = 0, r, did_open = 0, old_runstate;
unsigned long long left;
unsigned int bs;
char *b;
did_open = 1;
}
- old_runstate = td->runstate;
- td_set_runstate(td, TD_PRE_READING);
+ old_runstate = td_bump_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);
+ if (lseek(f->fd, f->file_offset, SEEK_SET) < 0) {
+ td_verror(td, errno, "lseek");
+ log_err("fio: failed to lseek pre-read file\n");
+ ret = 1;
+ goto error;
+ }
+
left = f->io_size;
while (left && !td->terminate) {
}
}
- td_set_runstate(td, old_runstate);
+error:
+ td_restore_runstate(td, old_runstate);
if (did_open)
td->io_ops->close_file(td, f);
+
free(b);
- return 0;
+ return ret;
}
static unsigned long long get_rand_file_size(struct thread_data *td)
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);
+ if (f->filetype == FIO_TYPE_BD)
+ (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);
f->shadow_fd = -1;
}
+ f->engine_data = 0;
return ret;
}
goto skip_flags;
if (td->o.odirect)
flags |= OS_O_DIRECT;
+ if (td->o.oatomic) {
+ if (!FIO_O_ATOMIC) {
+ td_verror(td, EINVAL, "OS does not support atomic IO");
+ return 1;
+ }
+ flags |= OS_O_DIRECT | FIO_O_ATOMIC;
+ }
if (td->o.sync_io)
flags |= O_SYNC;
if (td->o.create_on_open)
* work-around a "feature" on Linux, where a close of
* an fd that has been opened for write will trigger
* udev to call blkid to check partitions, fs id, etc.
- * That polutes the device cache, which can slow down
+ * That pollutes the device cache, which can slow down
* unbuffered accesses.
*/
if (f->shadow_fd == -1)
return ret;
}
-uint64_t get_start_offset(struct thread_data *td)
+uint64_t get_start_offset(struct thread_data *td, struct fio_file *f)
{
+ struct thread_options *o = &td->o;
+
+ if (o->file_append && f->filetype == FIO_TYPE_FILE)
+ return f->real_file_size;
+
return td->o.start_offset +
(td->thread_number - 1) * td->o.offset_increment;
}
unsigned long long total_size, extend_size;
struct thread_options *o = &td->o;
struct fio_file *f;
- unsigned int i;
+ unsigned int i, nr_fs_extra = 0;
int err = 0, need_extend;
int old_state;
+ const unsigned int bs = td_min_bs(td);
+ uint64_t fs = 0;
dprint(FD_FILE, "setup files\n");
- old_state = td->runstate;
- td_set_runstate(td, TD_SETTING_UP);
+ old_state = td_bump_runstate(td, TD_SETTING_UP);
if (o->read_iolog_file)
goto done;
goto err_out;
}
+ /*
+ * Calculate per-file size and potential extra size for the
+ * first files, if needed.
+ */
+ if (!o->file_size_low && o->nr_files) {
+ uint64_t all_fs;
+
+ fs = o->size / o->nr_files;
+ all_fs = fs * o->nr_files;
+
+ if (all_fs < o->size)
+ nr_fs_extra = (o->size - all_fs) / bs;
+ }
+
/*
* now file sizes are known, so we can set ->io_size. if size= is
* not given, ->io_size is just equal to ->real_file_size. if size
extend_size = total_size = 0;
need_extend = 0;
for_each_file(td, f, i) {
- f->file_offset = get_start_offset(td);
+ f->file_offset = get_start_offset(td, f);
if (!o->file_size_low) {
/*
* no file size range given, file size is equal to
- * total size divided by number of files. if that is
- * zero, set it to the real file size.
+ * total size divided by number of files. If that is
+ * zero, set it to the real file size. If the size
+ * doesn't divide nicely with the min blocksize,
+ * make the first files bigger.
*/
- f->io_size = o->size / o->nr_files;
+ f->io_size = fs;
+ if (nr_fs_extra) {
+ nr_fs_extra--;
+ f->io_size += bs;
+ }
+
if (!f->io_size)
f->io_size = f->real_file_size - f->file_offset;
} else if (f->real_file_size < o->file_size_low ||
if (o->create_only)
td->done = 1;
- td_set_runstate(td, old_state);
+ td_restore_runstate(td, old_state);
return 0;
err_offset:
log_err("%s: you need to specify valid offset=\n", o->name);
err_out:
- td_set_runstate(td, old_state);
+ td_restore_runstate(td, old_state);
return 1;
}
if (td->o.random_distribution == FIO_RAND_DIST_RANDOM)
return 0;
- state = td->runstate;
- td_set_runstate(td, TD_SETTING_UP);
+ state = td_bump_runstate(td, TD_SETTING_UP);
+
for_each_file(td, f, i)
__init_rand_distribution(td, f);
- td_set_runstate(td, state);
+
+ td_restore_runstate(td, state);
return 1;
}
seed = td->rand_seeds[FIO_RAND_BLOCK_OFF];
- if (!lfsr_init(&f->lfsr, blocks, seed, seed & 0xF))
+ if (!lfsr_init(&f->lfsr, blocks, seed, 0))
continue;
} else if (!td->o.norandommap) {
f->io_axmap = axmap_new(blocks);
dprint(FD_FILE, "close files\n");
for_each_file(td, f, i) {
- if (td->o.unlink && f->filetype == FIO_TYPE_FILE) {
- dprint(FD_FILE, "free unlink %s\n", f->file_name);
- unlink(f->file_name);
- }
-
if (fio_file_open(f))
td_io_close_file(td, f);
remove_file_hash(f);
+ if (td->o.unlink && f->filetype == FIO_TYPE_FILE) {
+ dprint(FD_FILE, "free unlink %s\n", f->file_name);
+ unlink(f->file_name);
+ }
+
sfree(f->file_name);
f->file_name = NULL;
axmap_free(f->io_axmap);
td->files_index = 0;
td->files = NULL;
td->file_locks = NULL;
+ td->o.file_lock_mode = FILE_LOCK_NONE;
td->o.nr_files = 0;
}
}
}
-int add_file(struct thread_data *td, const char *fname)
+static int __is_already_allocated(const char *fname)
{
- int cur_files = td->files_index;
- char file_name[PATH_MAX];
- struct fio_file *f;
- int len = 0;
+ struct flist_head *entry;
+ char *filename;
- dprint(FD_FILE, "add file %s\n", fname);
+ if (flist_empty(&filename_list))
+ return 0;
+
+ flist_for_each(entry, &filename_list) {
+ filename = flist_entry(entry, struct file_name, list)->filename;
+
+ if (strcmp(filename, fname) == 0)
+ return 1;
+ }
+
+ return 0;
+}
+
+static int is_already_allocated(const char *fname)
+{
+ int ret;
+
+ fio_file_hash_lock();
+ ret = __is_already_allocated(fname);
+ fio_file_hash_unlock();
+ return ret;
+}
+
+static void set_already_allocated(const char *fname)
+{
+ struct file_name *fn;
+
+ fn = malloc(sizeof(struct file_name));
+ fn->filename = strdup(fname);
+
+ fio_file_hash_lock();
+ if (!__is_already_allocated(fname)) {
+ flist_add_tail(&fn->list, &filename_list);
+ fn = NULL;
+ }
+ fio_file_hash_unlock();
+
+ if (fn) {
+ free(fn->filename);
+ free(fn);
+ }
+}
+
+
+static void free_already_allocated(void)
+{
+ struct flist_head *entry, *tmp;
+ struct file_name *fn;
+
+ if (flist_empty(&filename_list))
+ return;
+
+ fio_file_hash_lock();
+ flist_for_each_safe(entry, tmp, &filename_list) {
+ fn = flist_entry(entry, struct file_name, list);
+ free(fn->filename);
+ flist_del(&fn->list);
+ free(fn);
+ }
+
+ fio_file_hash_unlock();
+}
+
+static struct fio_file *alloc_new_file(struct thread_data *td)
+{
+ struct fio_file *f;
f = smalloc(sizeof(*f));
if (!f) {
log_err("fio: smalloc OOM\n");
assert(0);
+ return NULL;
}
f->fd = -1;
f->shadow_fd = -1;
fio_file_reset(td, f);
+ return f;
+}
+
+int add_file(struct thread_data *td, const char *fname, int numjob, int inc)
+{
+ int cur_files = td->files_index;
+ char file_name[PATH_MAX];
+ struct fio_file *f;
+ int len = 0;
+
+ dprint(FD_FILE, "add file %s\n", fname);
+
+ if (td->o.directory)
+ len = set_name_idx(file_name, td->o.directory, numjob);
+
+ sprintf(file_name + len, "%s", fname);
+
+ /* clean cloned siblings using existing files */
+ if (numjob && is_already_allocated(file_name))
+ return 0;
+
+ f = alloc_new_file(td);
if (td->files_size <= td->files_index) {
unsigned int new_size = td->o.nr_files + 1;
if (td->io_ops && (td->io_ops->flags & FIO_DISKLESSIO))
f->real_file_size = -1ULL;
- if (td->o.directory)
- len = sprintf(file_name, "%s/", td->o.directory);
-
- sprintf(file_name + len, "%s", fname);
f->file_name = smalloc_strdup(file_name);
if (!f->file_name) {
log_err("fio: smalloc OOM\n");
if (f->filetype == FIO_TYPE_FILE)
td->nr_normal_files++;
+ set_already_allocated(file_name);
+
+ if (inc)
+ td->o.nr_files++;
+
dprint(FD_FILE, "file %p \"%s\" added at %d\n", f, f->file_name,
cur_files);
return i;
}
- return add_file(td, fname);
+ return add_file(td, fname, 0, 1);
}
void get_file(struct fio_file *f)
void unlock_file_all(struct thread_data *td, struct fio_file *f)
{
+ if (td->o.file_lock_mode == FILE_LOCK_NONE || !td->file_locks)
+ return;
if (td->file_locks[f->fileno] != FILE_LOCK_NONE)
unlock_file(td, f);
}
}
if (S_ISREG(sb.st_mode)) {
- add_file(td, full_path);
- td->o.nr_files++;
+ add_file(td, full_path, 0, 1);
continue;
}
if (!S_ISDIR(sb.st_mode))
for_each_file(org, f, i) {
struct fio_file *__f;
- __f = smalloc(sizeof(*__f));
- if (!__f) {
- log_err("fio: smalloc OOM\n");
- assert(0);
- }
- __f->fd = -1;
- fio_file_reset(td, __f);
+ __f = alloc_new_file(td);
if (f->file_name) {
__f->file_name = smalloc_strdup(f->file_name);
__f->filetype = f->filetype;
}
+ if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE)
+ __f->lock = f->lock;
+ else if (td->o.file_lock_mode == FILE_LOCK_READWRITE)
+ __f->rwlock = f->rwlock;
+
td->files[i] = __f;
}
}
if (td->o.random_generator == FIO_RAND_GEN_LFSR)
lfsr_reset(&f->lfsr, td->rand_seeds[FIO_RAND_BLOCK_OFF]);
}
+
+int fio_files_done(struct thread_data *td)
+{
+ struct fio_file *f;
+ unsigned int i;
+
+ for_each_file(td, f, i)
+ if (!fio_file_done(f))
+ return 0;
+
+ return 1;
+}
+
+/* free memory used in initialization phase only */
+void filesetup_mem_free(void)
+{
+ free_already_allocated();
+}
projects / fio.git / blobdiff