get_file_type() should use stat(), not lstat()
[fio.git] / filesetup.c
index 1a5a7eccb1b8c95c545c7b94923990d6a005e23c..c188981356a2cb022e9037d84c8f6f01d9c33a6c 100644 (file)
@@ -64,6 +64,19 @@ static int extend_file(struct thread_data *td, struct fio_file *f)
                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;
 
@@ -78,16 +91,6 @@ static int extend_file(struct thread_data *td, struct fio_file *f)
                        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]);
@@ -303,9 +306,12 @@ static int __file_invalidate_cache(struct thread_data *td, struct fio_file *f,
        /*
         * FIXME: add blockdev flushing too
         */
-       if (f->mmap_ptr)
+       if (f->mmap_ptr) {
                ret = madvise(f->mmap_ptr, f->mmap_sz, MADV_DONTNEED);
-       else if (f->filetype == FIO_TYPE_FILE) {
+#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);
@@ -611,7 +617,7 @@ int setup_files(struct thread_data *td)
                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,
+                                " %LuMB)\n", td->o.name, need_extend,
                                        extend_size >> 20);
 
                for_each_file(td, f, i) {
@@ -624,7 +630,8 @@ int setup_files(struct thread_data *td)
                        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;
+                               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);
@@ -763,7 +770,7 @@ static void get_file_type(struct fio_file *f)
        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))
@@ -787,7 +794,7 @@ int add_file(struct thread_data *td, const char *fname)
                log_err("fio: smalloc OOM\n");
                assert(0);
        }
-               
+
        f->fd = -1;
 
        if (td->files_size <= td->files_index) {
@@ -815,7 +822,7 @@ int add_file(struct thread_data *td, const char *fname)
                log_err("fio: smalloc OOM\n");
                assert(0);
        }
-       
+
        get_file_type(f);
 
        switch (td->o.file_lock_mode) {
@@ -1016,14 +1023,14 @@ void dup_files(struct thread_data *td, struct thread_data *org)
                        assert(0);
                }
                __f->fd = -1;
-       
+
                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;
                }