Add support for file appends

[fio.git] / filesetup.c

diff --git a/filesetup.c b/filesetup.c
index 4bfa470d0e285539e7de0d441c4d63aedd0eeb9c..c3c0fc4bc6a79c3aac3a6284f0eb0bb081fb3bc4 100644 (file)
--- a/filesetup.c
+++ b/filesetup.c
@@ -722,8 +722,13 @@ static unsigned long long get_fs_free_counts(struct thread_data *td)
        return ret;
 }
 
-uint64_t get_start_offset(struct thread_data *td)
+uint64_t get_start_offset(struct thread_data *td, struct fio_file *f)
 {
+       struct thread_options *o = &td->o;
+
+       if (o->file_append && f->filetype == FIO_TYPE_FILE)
+               return f->real_file_size;
+
        return td->o.start_offset +
                (td->thread_number - 1) * td->o.offset_increment;
 }
@@ -810,7 +815,7 @@ int setup_files(struct thread_data *td)
        extend_size = total_size = 0;
        need_extend = 0;
        for_each_file(td, f, i) {
-               f->file_offset = get_start_offset(td);
+               f->file_offset = get_start_offset(td, f);
 
                if (!o->file_size_low) {
                        /*