configure: add gettid() test

[fio.git] / trim.c

diff --git a/trim.c b/trim.c
index a7f1b8673396413f818eaa20534c3d686886f5ad..bf825db346df0596b63b88f6e755e7b7985965ca 100644 (file)
--- a/trim.c
+++ b/trim.c
@@ -1,17 +1,14 @@
 /*
  * TRIM/DISCARD support
  */
-#include <unistd.h>
-#include <fcntl.h>
 #include <string.h>
 #include <assert.h>
-#include <pthread.h>
 
 #include "fio.h"
 #include "trim.h"
 
 #ifdef FIO_HAVE_TRIM
-int get_next_trim(struct thread_data *td, struct io_u *io_u)
+bool get_next_trim(struct thread_data *td, struct io_u *io_u)
 {
        struct io_piece *ipo;
 
@@ -19,9 +16,9 @@ int get_next_trim(struct thread_data *td, struct io_u *io_u)
         * this io_u is from a requeue, we already filled the offsets
         */
        if (io_u->file)
-               return 0;
+               return true;
        if (flist_empty(&td->trim_list))
-               return 1;
+               return false;
 
        assert(td->trim_entries);
        ipo = flist_first_entry(&td->trim_list, struct io_piece, trim_list);
@@ -53,7 +50,7 @@ int get_next_trim(struct thread_data *td, struct io_u *io_u)
                if (r) {
                        dprint(FD_VERIFY, "failed file %s open\n",
                                        io_u->file->file_name);
-                       return 1;
+                       return false;
                }
        }
 
@@ -64,24 +61,21 @@ int get_next_trim(struct thread_data *td, struct io_u *io_u)
        io_u->xfer_buflen = io_u->buflen;
 
        dprint(FD_VERIFY, "get_next_trim: ret io_u %p\n", io_u);
-       return 0;
+       return true;
 }
 
-int io_u_should_trim(struct thread_data *td, struct io_u *io_u)
+bool io_u_should_trim(struct thread_data *td, struct io_u *io_u)
 {
        unsigned long long val;
+       uint64_t frand_max;
        unsigned long r;
 
        if (!td->o.trim_percentage)
-               return 0;
+               return false;
 
-       if (td->o.use_os_rand) {
-               r = os_random_long(&td->trim_state);
-               val = (OS_RAND_MAX / 100ULL);
-       } else {
-               r = __rand(&td->__trim_state);
-               val = (FRAND_MAX / 100ULL);
-       }
+       frand_max = rand_max(&td->trim_state);
+       r = __rand(&td->trim_state);
+       val = (frand_max / 100ULL);
 
        val *= (unsigned long long) td->o.trim_percentage;
        return r <= val;