commit 5a48d3065f529c9935cc48d77963fe59691de533
author Jens Axboe <axboe@fb.com> Tue Sep 30 13:29:57 2014 -0600
committer Mohamad Ayyash <mkayyash@google.com> Fri Mar 06 17:57:20 2015 -0800
tree 6438de6ea6b744c26963309b6dee2e4d5da8c487
parent a22867a5305f5cba020d6825793de9b9aaca1ca8

Constify 'td' in a few functions

Signed-off-by: Jens Axboe <axboe@fb.com>

fio.h

diff --git a/fio.h b/fio.h
index 136b430..f981739 100644
--- a/fio.h
+++ b/fio.h
@@ -406,7 +406,7 @@
 
 extern struct thread_data *threads;
 
-static inline void fio_ro_check(struct thread_data *td, struct io_u *io_u)
+static inline void fio_ro_check(const struct thread_data *td, struct io_u *io_u)
 {
 	assert(!(io_u->ddir == DDIR_WRITE && !td_write(td)));
 }

io_u.c

diff --git a/io_u.c b/io_u.c
index 9adc31b..612057d 100644
--- a/io_u.c
+++ b/io_u.c
@@ -1301,7 +1301,7 @@
  * If latency target is enabled, we might be ramping up or down and not
  * using the full queue depth available.
  */
-int queue_full(struct thread_data *td)
+int queue_full(const struct thread_data *td)
 {
 	const int qempty = io_u_qempty(&td->io_u_freelist);
 

io_u_queue.h

diff --git a/io_u_queue.h b/io_u_queue.h
index b702b1f..bda40d5 100644
--- a/io_u_queue.h
+++ b/io_u_queue.h
@@ -28,7 +28,7 @@
 	q->io_us[q->nr++] = io_u;
 }
 
-static inline int io_u_qempty(struct io_u_queue *q)
+static inline int io_u_qempty(const struct io_u_queue *q)
 {
 	return !q->nr;
 }

ioengine.h

diff --git a/ioengine.h b/ioengine.h
index 108c97c..0742a8b 100644
--- a/ioengine.h
+++ b/ioengine.h
@@ -215,10 +215,10 @@
 extern void io_u_fill_buffer(struct thread_data *td, struct io_u *, unsigned int, unsigned int);
 void io_u_mark_complete(struct thread_data *, unsigned int);
 void io_u_mark_submit(struct thread_data *, unsigned int);
-int queue_full(struct thread_data *);
+int queue_full(const struct thread_data *);
 
-int do_io_u_sync(struct thread_data *, struct io_u *);
-int do_io_u_trim(struct thread_data *, struct io_u *);
+int do_io_u_sync(const struct thread_data *, struct io_u *);
+int do_io_u_trim(const struct thread_data *, struct io_u *);
 
 #ifdef FIO_INC_DEBUG
 static inline void dprint_io_u(struct io_u *io_u, const char *p)

ioengines.c

diff --git a/ioengines.c b/ioengines.c
index 3010f6c..5614938 100644
--- a/ioengines.c
+++ b/ioengines.c
@@ -522,7 +522,8 @@
 	return td->io_ops->get_file_size(td, f);
 }
 
-static int do_sync_file_range(struct thread_data *td, struct fio_file *f)
+static int do_sync_file_range(const struct thread_data *td,
+			      struct fio_file *f)
 {
 	off64_t offset, nbytes;
 
@@ -535,7 +536,7 @@
 	return sync_file_range(f->fd, offset, nbytes, td->o.sync_file_range);
 }
 
-int do_io_u_sync(struct thread_data *td, struct io_u *io_u)
+int do_io_u_sync(const struct thread_data *td, struct io_u *io_u)
 {
 	int ret;
 
@@ -561,7 +562,7 @@
 	return ret;
 }
 
-int do_io_u_trim(struct thread_data *td, struct io_u *io_u)
+int do_io_u_trim(const struct thread_data *td, struct io_u *io_u)
 {
 #ifndef FIO_HAVE_TRIM
 	io_u->error = EINVAL;