Enable preadv2/pwritev2 engines by default on Linux

[fio.git] / filesetup.c

diff --git a/filesetup.c b/filesetup.c
index 3fc14641ed7d34380d5f735006eb129ab0b7faf0..012773b95eba7ff27c714e7a5085f15a939c0fb7 100644 (file)
--- a/filesetup.c
+++ b/filesetup.c
@@ -761,12 +761,16 @@ static unsigned long long get_fs_free_counts(struct thread_data *td)
 uint64_t get_start_offset(struct thread_data *td, struct fio_file *f)
 {
        struct thread_options *o = &td->o;
+       uint64_t offset;
 
        if (o->file_append && f->filetype == FIO_TYPE_FILE)
                return f->real_file_size;
 
-       return td->o.start_offset +
-               td->subjob_number * td->o.offset_increment;
+       offset = td->o.start_offset + td->subjob_number * td->o.offset_increment;
+       if (offset % td_max_bs(td))
+               offset -= (offset % td_max_bs(td));
+
+       return offset;
 }
 
 /*
@@ -890,8 +894,10 @@ int setup_files(struct thread_data *td)
                if (f->io_size == -1ULL)
                        total_size = -1ULL;
                else {
-                        if (o->size_percent)
-                                f->io_size = (f->io_size * o->size_percent) / 100;
+                        if (o->size_percent) {
+                               f->io_size = (f->io_size * o->size_percent) / 100;
+                               f->io_size -= (f->io_size % td_min_bs(td));
+                       }
                        total_size += f->io_size;
                }
 
@@ -1329,7 +1335,8 @@ int add_file(struct thread_data *td, const char *fname, int numjob, int inc)
        dprint(FD_FILE, "add file %s\n", fname);
 
        if (td->o.directory)
-               len = set_name_idx(file_name, PATH_MAX, td->o.directory, numjob);
+               len = set_name_idx(file_name, PATH_MAX, td->o.directory, numjob,
+                                       td->o.unique_filename);
 
        sprintf(file_name + len, "%s", fname);