X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=trim.c;h=78cf67244efa22534604fd6b6652379457a571a2;hp=a9b15d686606bee6856b3998e5b7104bc633ac18;hb=8019f14b8f0538adffd8af39e06e5627b9c8773b;hpb=4c07ad86c6cc6e158c70a5c625f60144db03f20d

diff --git a/trim.c b/trim.c
index a9b15d68..78cf6724 100644
--- a/trim.c
+++ b/trim.c
@@ -11,7 +11,7 @@
 #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;
 
@@ -19,12 +19,12 @@ 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_entry(td->trim_list.next, struct io_piece, trim_list);
+	ipo = flist_first_entry(&td->trim_list, struct io_piece, trim_list);
 	remove_trim_entry(td, ipo);
 
 	io_u->offset = ipo->offset;
@@ -53,7 +53,7 @@ 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 +64,21 @@ 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;
-	long r;
+	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;