Add support for trim as a workload type

[fio.git] / filesetup.c

diff --git a/filesetup.c b/filesetup.c
index 3594a80faf3bfe8300e29fc7cc04f7c892e826f8..c2840711bcbbce92103fb05f19e084fe45a7841d 100644 (file)
--- a/filesetup.c
+++ b/filesetup.c
@@ -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) {