#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"
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;
* 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;
return 1;
}
- if (!new_layout)
- goto done;
-
- dprint(FD_FILE, "truncate file %s, size %llu\n", f->file_name,
+#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);
- if (ftruncate(f->fd, f->real_file_size) == -1) {
- td_verror(td, errno, "ftruncate");
- 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
+
+ if (!new_layout)
+ goto done;
- dprint(FD_FILE, "fallocate 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 (posix_fallocate(f->fd, 0, f->real_file_size) < 0) {
- td_verror(td, errno, "posix_fallocate");
- goto err;
+ if (ftruncate(f->fd, f->real_file_size) == -1) {
+ td_verror(td, errno, "ftruncate");
+ goto err;
+ }
}
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;
}
}
- 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;
+ }
+ }
+ 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 (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;
+ }
+ 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;
+ 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;
}
{
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");
+ 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 char_size(struct thread_data *td, struct fio_file *f)
+{
+#ifdef FIO_HAVE_CHARDEV_SIZE
+ 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 = chardev_size(f->fd, &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, 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;
}
- 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);
- 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) {
+ if (f->mmap_ptr) {
+ ret = madvise(f->mmap_ptr, f->mmap_sz, MADV_DONTNEED);
+#ifdef FIO_MADV_FREE
+ (void) madvise(f->mmap_ptr, f->mmap_sz, FIO_MADV_FREE);
+#endif
+ } 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 (!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)
int ret = 0;
dprint(FD_FILE, "fd close %s\n", f->file_name);
+
+ remove_file_hash(f);
+
if (close(f->fd) < 0)
ret = errno;
return ret;
}
+static int file_lookup_open(struct fio_file *f, int flags)
+{
+ struct fio_file *__f;
+ int from_hash;
+
+ __f = lookup_file_hash(f->file_name);
+ if (__f) {
+ dprint(FD_FILE, "found file in hash %s\n", f->file_name);
+ /*
+ * racy, need the __f->lock locked
+ */
+ f->lock = __f->lock;
+ f->lock_owner = __f->lock_owner;
+ f->lock_batch = __f->lock_batch;
+ f->lock_ddir = __f->lock_ddir;
+ from_hash = 1;
+ } else {
+ dprint(FD_FILE, "file not found in hash %s\n", f->file_name);
+ from_hash = 0;
+ }
+
+ f->fd = open(f->file_name, flags, 0600);
+ return from_hash;
+}
+
int generic_open_file(struct thread_data *td, struct fio_file *f)
{
int is_std = 0;
int flags = 0;
+ int from_hash = 0;
dprint(FD_FILE, "fd open %s\n", f->file_name);
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)) {
- assert(!read_only);
-
- flags |= O_RDWR;
+ if (!read_only)
+ flags |= O_RDWR;
if (f->filetype == FIO_TYPE_FILE)
flags |= O_CREAT;
if (is_std)
f->fd = dup(STDOUT_FILENO);
else
- f->fd = open(f->file_name, flags, 0600);
+ from_hash = file_lookup_open(f, flags);
} else {
if (f->filetype == FIO_TYPE_CHAR && !read_only)
flags |= O_RDWR;
if (is_std)
f->fd = dup(STDIN_FILENO);
else
- f->fd = open(f->file_name, flags);
+ from_hash = file_lookup_open(f, flags);
}
if (f->fd == -1) {
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;
-
- return 0;
-err:
- close(f->fd);
- return 1;
-}
-
-int open_files(struct thread_data *td)
-{
- struct fio_file *f;
- unsigned int i;
- int err = 0;
+ if (!from_hash && f->fd != -1) {
+ if (add_file_hash(f)) {
+ int ret;
- 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;
+ /*
+ * OK to ignore, we haven't done anything with it
+ */
+ ret = generic_close_file(td, f);
+ goto open_again;
}
-
- 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 0;
+}
- return err;
+int generic_get_file_size(struct thread_data *td, struct fio_file *f)
+{
+ return get_file_size(td, f);
}
/*
int err = 0;
for_each_file(td, f, i) {
- if (td->io_ops->open_file(td, f)) {
+ dprint(FD_FILE, "get file size for %p/%d/%p\n", f, i,
+ f->file_name);
+
+ 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)
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.
*/
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
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
*/
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;
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 (!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) /"
+ " %LuMB)\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;
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 = malloc(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;
- memset(f->file_map, 0, num_maps * sizeof(long));
+
+ 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)
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);
+ if (fio_file_open(f))
+ td_io_close_file(td, f);
- free(f->file_name);
- f->file_name = NULL;
+ remove_file_hash(f);
- if (f->file_map) {
- free(f->file_map);
- f->file_map = NULL;
- }
+ sfree(f->file_name);
+ f->file_name = NULL;
+ sfree(f->file_map);
+ f->file_map = NULL;
+ sfree(f);
}
td->o.filename = NULL;
free(td->files);
+ td->files_index = 0;
td->files = NULL;
td->o.nr_files = 0;
}
else
f->filetype = FIO_TYPE_FILE;
- if (!lstat(f->file_name, &sb)) {
+ if (!stat(f->file_name, &sb)) {
if (S_ISBLK(sb.st_mode))
f->filetype = FIO_TYPE_BD;
else if (S_ISCHR(sb.st_mode))
dprint(FD_FILE, "add file %s\n", fname);
- td->files = realloc(td->files, (cur_files + 1) * sizeof(*f));
+ f = smalloc(sizeof(*f));
+ if (!f) {
+ log_err("fio: smalloc OOM\n");
+ assert(0);
+ }
- f = &td->files[cur_files];
- memset(f, 0, sizeof(*f));
f->fd = -1;
+ fio_file_reset(f);
+
+ if (td->files_size <= td->files_index) {
+ int new_size = td->o.nr_files + 1;
+
+ 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;
/*
* init function, io engine may not be loaded yet
len = sprintf(file_name, "%s/", td->o.directory);
sprintf(file_name + len, "%s", fname);
- f->file_name = strdup(file_name);
+ 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) {
+ case FILE_LOCK_NONE:
+ break;
+ case FILE_LOCK_READWRITE:
+ f->lock = fio_mutex_rw_init();
+ break;
+ case FILE_LOCK_EXCLUSIVE:
+ f->lock = fio_mutex_init(1);
+ break;
+ default:
+ log_err("fio: unknown lock mode: %d\n", td->o.file_lock_mode);
+ assert(0);
+ }
+
td->files_index++;
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);
+
return cur_files;
}
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++;
}
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);
- if (!(f->flags & FIO_FILE_OPEN))
+ if (!fio_file_open(f)) {
+ assert(f->fd == -1);
return 0;
+ }
assert(f->references);
if (--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;
+ fio_file_clear_open(f);
+ assert(f->fd == -1);
return ret;
}
+void lock_file(struct thread_data *td, struct fio_file *f, enum fio_ddir ddir)
+{
+ if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE)
+ return;
+
+ if (f->lock_owner == td && f->lock_batch--)
+ return;
+
+ if (td->o.file_lock_mode == FILE_LOCK_READWRITE) {
+ if (ddir == DDIR_READ)
+ fio_mutex_down_read(f->lock);
+ else
+ fio_mutex_down_write(f->lock);
+ } else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE)
+ fio_mutex_down(f->lock);
+
+ f->lock_owner = td;
+ f->lock_batch = td->o.lockfile_batch;
+ f->lock_ddir = ddir;
+}
+
+void unlock_file(struct thread_data *td, struct fio_file *f)
+{
+ if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE)
+ return;
+ if (f->lock_batch)
+ return;
+
+ if (td->o.file_lock_mode == FILE_LOCK_READWRITE) {
+ const int is_read = f->lock_ddir == DDIR_READ;
+ int val = fio_mutex_getval(f->lock);
+
+ if ((is_read && val == 1) || (!is_read && val == -1))
+ f->lock_owner = NULL;
+
+ if (is_read)
+ fio_mutex_up_read(f->lock);
+ else
+ fio_mutex_up_write(f->lock);
+ } else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) {
+ int val = fio_mutex_getval(f->lock);
+
+ if (val == 0)
+ f->lock_owner = NULL;
+
+ fio_mutex_up(f->lock);
+ }
+}
+
+void unlock_file_all(struct thread_data *td, struct fio_file *f)
+{
+ if (f->lock_owner != td)
+ return;
+
+ f->lock_batch = 0;
+ unlock_file(td, f);
+}
+
static int recurse_dir(struct thread_data *td, const char *dirname)
{
struct dirent *dir;
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;
unsigned int i;
- size_t bytes;
+
+ dprint(FD_FILE, "dup files: %d\n", org->files_index);
if (!org->files)
return;
- bytes = org->files_index * sizeof(*f);
- td->files = malloc(bytes);
- memcpy(td->files, org->files, bytes);
+ td->files = malloc(org->files_index * sizeof(f));
- for_each_file(td, f, i) {
- if (f->file_name)
- f->file_name = strdup(f->file_name);
+ 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(__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;
+ }
+
+ td->files[i] = __f;
}
}
projects / fio.git / blobdiff