include libgen.h for basename
[fio.git] / filesetup.c
index cbef672e673e6d3c1d0d363466b677702e1953f1..9cc487269fcc3434e8677d9ac74905a4bd698ca1 100644 (file)
@@ -3,6 +3,7 @@
 #include <string.h>
 #include <assert.h>
 #include <dirent.h>
+#include <libgen.h>
 #include <sys/stat.h>
 #include <sys/mman.h>
 #include <sys/types.h>
@@ -503,6 +504,75 @@ static int get_file_sizes(struct thread_data *td)
        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;
+       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];
+
+               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);
+       }
+
+       ret = 0;
+       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.
  */
@@ -543,6 +613,9 @@ int setup_files(struct thread_data *td)
                        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
         */
@@ -746,11 +819,8 @@ void close_and_free_files(struct thread_data *td)
 
                sfree(f->file_name);
                f->file_name = NULL;
-
-               if (f->file_map) {
-                       sfree(f->file_map);
-                       f->file_map = NULL;
-               }
+               sfree(f->file_map);
+               f->file_map = NULL;
                sfree(f);
        }
 
@@ -770,7 +840,7 @@ 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))