export file_lookup_open

[fio.git] / filesetup.c

diff --git a/filesetup.c b/filesetup.c
index 8f515923bcf9b25c725c9d9a3e94ed2ecb1711a3..06b7d7fc845cb9f041c03b16f983ffb564443896 100644 (file)
--- a/filesetup.c
+++ b/filesetup.c
@@ -435,7 +435,7 @@ int generic_close_file(struct thread_data fio_unused *td, struct fio_file *f)
        return ret;
 }
 
-static int file_lookup_open(struct fio_file *f, int flags)
+int file_lookup_open(struct fio_file *f, int flags)
 {
        struct fio_file *__f;
        int from_hash;
@@ -468,6 +468,11 @@ int generic_open_file(struct thread_data *td, struct fio_file *f)
 
        dprint(FD_FILE, "fd open %s\n", f->file_name);
 
+       if (td_trim(td) && f->filetype != FIO_TYPE_BD) {
+               log_err("fio: trim only applies to block device\n");
+               return 1;
+       }
+
        if (!strcmp(f->file_name, "-")) {
                if (td_rw(td)) {
                        log_err("fio: can't read/write to stdin/out\n");
@@ -482,14 +487,17 @@ int generic_open_file(struct thread_data *td, struct fio_file *f)
                        f_out = stderr;
        }
 
+       if (td_trim(td))
+               goto skip_flags;
        if (td->o.odirect)
                flags |= OS_O_DIRECT;
        if (td->o.sync_io)
                flags |= O_SYNC;
-       if (f->filetype != FIO_TYPE_FILE)
-               flags |= FIO_O_NOATIME;
        if (td->o.create_on_open)
                flags |= O_CREAT;
+skip_flags:
+       if (f->filetype != FIO_TYPE_FILE)
+               flags |= FIO_O_NOATIME;
 
 open_again:
        if (td_write(td)) {
@@ -503,7 +511,7 @@ open_again:
                        f->fd = dup(STDOUT_FILENO);
                else
                        from_hash = file_lookup_open(f, flags);
-       } else {
+       } else if (td_read(td)) {
                if (f->filetype == FIO_TYPE_CHAR && !read_only)
                        flags |= O_RDWR;
                else
@@ -513,6 +521,9 @@ open_again:
                        f->fd = dup(STDIN_FILENO);
                else
                        from_hash = file_lookup_open(f, flags);
+       } else { //td trim
+               flags |= O_RDWR;
+               from_hash = file_lookup_open(f, flags);
        }
 
        if (f->fd == -1) {
@@ -526,6 +537,11 @@ open_again:
 
                snprintf(buf, sizeof(buf) - 1, "open(%s)", f->file_name);
 
+               if (__e == EINVAL && (flags & OS_O_DIRECT)) {
+                       log_err("fio: looks like your file system does not " \
+                               "support direct=1/buffered=0\n");
+               }
+
                td_verror(td, __e, buf);
        }
 
@@ -652,6 +668,12 @@ static unsigned long long get_fs_free_counts(struct thread_data *td)
        return ret;
 }
 
+unsigned long long get_start_offset(struct thread_data *td)
+{
+       return td->o.start_offset +
+               (td->thread_number - 1) * td->o.offset_increment;
+}
+
 /*
  * Open the files and setup files sizes, creating files if necessary.
  */
@@ -665,7 +687,7 @@ int setup_files(struct thread_data *td)
        dprint(FD_FILE, "setup files\n");
 
        if (td->o.read_iolog_file)
-               return 0;
+               goto done;
 
        /*
         * if ioengine defines a setup() method, it's responsible for
@@ -713,7 +735,7 @@ int setup_files(struct thread_data *td)
        extend_size = total_size = 0;
        need_extend = 0;
        for_each_file(td, f, i) {
-               f->file_offset = td->o.start_offset;
+               f->file_offset = get_start_offset(td);
 
                if (!td->o.file_size_low) {
                        /*
@@ -770,7 +792,7 @@ int setup_files(struct thread_data *td)
         */
        if (need_extend) {
                temp_stall_ts = 1;
-               if (!terse_output)
+               if (output_format == FIO_OUTPUT_NORMAL)
                        log_info("%s: Laying out IO file(s) (%u file(s) /"
                                 " %lluMB)\n", td->o.name, need_extend,
                                        extend_size >> 20);
@@ -815,6 +837,11 @@ int setup_files(struct thread_data *td)
         */
        if (!td->o.read_iolog_file)
                td->total_io_size = td->o.size * td->o.loops;
+
+done:
+       if (td->o.create_only)
+               td->done = 1;
+
        return 0;
 err_offset:
        log_err("%s: you need to specify valid offset=\n", td->o.name);
@@ -849,11 +876,15 @@ int init_random_map(struct thread_data *td)
                                (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(unsigned long));
-               if (f->file_map) {
-                       f->num_maps = num_maps;
-                       continue;
-               }
+               if (num_maps == (unsigned long) num_maps) {
+                       f->file_map = smalloc(num_maps * sizeof(unsigned long));
+                       if (f->file_map) {
+                               f->num_maps = num_maps;
+                               continue;
+                       }
+               } else
+                       f->file_map = NULL;
+
                if (!td->o.softrandommap) {
                        log_err("fio: failed allocating random map. If running"
                                " a large number of jobs, try the 'norandommap'"
@@ -922,10 +953,13 @@ static void get_file_type(struct fio_file *f)
        else
                f->filetype = FIO_TYPE_FILE;
 
+       /* \\.\ is the device namespace in Windows, where every file is
+        * a block device */
+       if (strncmp(f->file_name, "\\\\.\\", 4) == 0)
+               f->filetype = FIO_TYPE_BD;
+
        if (!stat(f->file_name, &sb)) {
-               /* \\.\ is the device namespace in Windows, where every file is
-                * a block device */
-               if (S_ISBLK(sb.st_mode) || strncmp(f->file_name, "\\\\.\\", 4) == 0)
+               if (S_ISBLK(sb.st_mode))
                        f->filetype = FIO_TYPE_BD;
                else if (S_ISCHR(sb.st_mode))
                        f->filetype = FIO_TYPE_CHAR;
@@ -961,6 +995,7 @@ int add_file(struct thread_data *td, const char *fname)
                td->files_size = new_size;
        }
        td->files[cur_files] = f;
+       f->fileno = cur_files;
 
        /*
         * init function, io engine may not be loaded yet
@@ -987,7 +1022,7 @@ int add_file(struct thread_data *td, const char *fname)
                f->lock = fio_mutex_rw_init();
                break;
        case FILE_LOCK_EXCLUSIVE:
-               f->lock = fio_mutex_init(1);
+               f->lock = fio_mutex_init(FIO_MUTEX_UNLOCKED);
                break;
        default:
                log_err("fio: unknown lock mode: %d\n", td->o.file_lock_mode);
@@ -1134,7 +1169,7 @@ static int recurse_dir(struct thread_data *td, const char *dirname)
                if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, ".."))
                        continue;
 
-               sprintf(full_path, "%s/%s", dirname, dir->d_name);
+               sprintf(full_path, "%s%s%s", dirname, FIO_OS_PATH_SEPARATOR, dir->d_name);
 
                if (lstat(full_path, &sb) == -1) {
                        if (errno != ENOENT) {