#include "fio.h"
#include "smalloc.h"
+#include "filehash.h"
static int root_warn;
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;
+ 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;
+ }
+
+ 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 (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) {
if (get_file_size(td, f))
goto err;
+ if (!from_hash && f->fd != -1) {
+ if (add_file_hash(f)) {
+ int ret;
+
+ /*
+ * OK to ignore, we haven't done anything with it
+ */
+ ret = generic_close_file(td, f);
+ goto open_again;
+ }
+ }
+
return 0;
err:
close(f->fd);
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);
+
if (td->io_ops->open_file(td, f)) {
if (td->error != ENOENT) {
log_err("%s\n", td->verror);
td->o.filename = NULL;
free(td->files);
+ td->files_index = 0;
td->files = NULL;
td->o.nr_files = 0;
}
f = smalloc(sizeof(*f));
f->fd = -1;
- td->files = realloc(td->files, (cur_files + 1) * sizeof(f));
+ dprint(FD_FILE, "resize file array to %d files\n", cur_files + 1);
+ td->files = realloc(td->files, (cur_files + 1) * sizeof(f));
td->files[cur_files] = f;
/*
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;
}
return ret;
}
-void lock_file(struct thread_data *td, struct fio_file *f)
+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 fio_file *f)
+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 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) {
+ for_each_file(org, f, i) {
struct fio_file *__f;
__f = smalloc(sizeof(*__f));