Commit 5e2336a0 authored by Steven Rostedt's avatar Steven Rostedt
Browse files

tracing: make all file_operations const 



Impact: cleanup

All file_operations structures should be constant. No one is going to
change them.

Reported-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarSteven Rostedt <srostedt@redhat.com>
parent 2002c258

kernel/trace/ftrace.c

+5 −5
Original line number Diff line number Diff line
@@ -1869,21 +1869,21 @@ ftrace_notrace_release(struct inode *inode, struct file *file) 
	return ftrace_regex_release(inode, file, 0);

}



static struct file_operations ftrace_avail_fops = {

static const struct file_operations ftrace_avail_fops = {

	.open = ftrace_avail_open,

	.read = seq_read,

	.llseek = seq_lseek,

	.release = ftrace_avail_release,

};



static struct file_operations ftrace_failures_fops = {

static const struct file_operations ftrace_failures_fops = {

	.open = ftrace_failures_open,

	.read = seq_read,

	.llseek = seq_lseek,

	.release = ftrace_avail_release,

};



static struct file_operations ftrace_filter_fops = {

static const struct file_operations ftrace_filter_fops = {

	.open = ftrace_filter_open,

	.read = ftrace_regex_read,

	.write = ftrace_filter_write,
@@ -1891,7 +1891,7 @@ static struct file_operations ftrace_filter_fops = { 
	.release = ftrace_filter_release,

};



static struct file_operations ftrace_notrace_fops = {

static const struct file_operations ftrace_notrace_fops = {

	.open = ftrace_notrace_open,

	.read = ftrace_regex_read,

	.write = ftrace_notrace_write,
@@ -2423,7 +2423,7 @@ ftrace_pid_write(struct file *filp, const char __user *ubuf, 
	return cnt;

}



static struct file_operations ftrace_pid_fops = {

static const struct file_operations ftrace_pid_fops = {

	.read = ftrace_pid_read,

	.write = ftrace_pid_write,

};

kernel/trace/ring_buffer.c

+1 −1
Original line number Diff line number Diff line
@@ -2606,7 +2606,7 @@ rb_simple_write(struct file *filp, const char __user *ubuf, 
	return cnt;

}



static struct file_operations rb_simple_fops = {

static const struct file_operations rb_simple_fops = {

	.open		= tracing_open_generic,

	.read		= rb_simple_read,

	.write		= rb_simple_write,

kernel/trace/trace.c

+12 −12
Original line number Diff line number Diff line
@@ -1882,14 +1882,14 @@ static int show_traces_open(struct inode *inode, struct file *file) 
	return ret;

}



static struct file_operations tracing_fops = {

static const struct file_operations tracing_fops = {

	.open		= tracing_open,

	.read		= seq_read,

	.llseek		= seq_lseek,

	.release	= tracing_release,

};



static struct file_operations show_traces_fops = {

static const struct file_operations show_traces_fops = {

	.open		= show_traces_open,

	.read		= seq_read,

	.release	= seq_release,
@@ -1982,7 +1982,7 @@ tracing_cpumask_write(struct file *filp, const char __user *ubuf, 
	return err;

}



static struct file_operations tracing_cpumask_fops = {

static const struct file_operations tracing_cpumask_fops = {

	.open		= tracing_open_generic,

	.read		= tracing_cpumask_read,

	.write		= tracing_cpumask_write,
@@ -2134,7 +2134,7 @@ tracing_trace_options_write(struct file *filp, const char __user *ubuf, 
	return cnt;

}



static struct file_operations tracing_iter_fops = {

static const struct file_operations tracing_iter_fops = {

	.open		= tracing_open_generic,

	.read		= tracing_trace_options_read,

	.write		= tracing_trace_options_write,
@@ -2167,7 +2167,7 @@ tracing_readme_read(struct file *filp, char __user *ubuf, 
					readme_msg, strlen(readme_msg));

}



static struct file_operations tracing_readme_fops = {

static const struct file_operations tracing_readme_fops = {

	.open		= tracing_open_generic,

	.read		= tracing_readme_read,

};
@@ -2927,25 +2927,25 @@ tracing_mark_write(struct file *filp, const char __user *ubuf, 
	return cnt;

}



static struct file_operations tracing_max_lat_fops = {

static const struct file_operations tracing_max_lat_fops = {

	.open		= tracing_open_generic,

	.read		= tracing_max_lat_read,

	.write		= tracing_max_lat_write,

};



static struct file_operations tracing_ctrl_fops = {

static const struct file_operations tracing_ctrl_fops = {

	.open		= tracing_open_generic,

	.read		= tracing_ctrl_read,

	.write		= tracing_ctrl_write,

};



static struct file_operations set_tracer_fops = {

static const struct file_operations set_tracer_fops = {

	.open		= tracing_open_generic,

	.read		= tracing_set_trace_read,

	.write		= tracing_set_trace_write,

};



static struct file_operations tracing_pipe_fops = {

static const struct file_operations tracing_pipe_fops = {

	.open		= tracing_open_pipe,

	.poll		= tracing_poll_pipe,

	.read		= tracing_read_pipe,
@@ -2953,13 +2953,13 @@ static struct file_operations tracing_pipe_fops = { 
	.release	= tracing_release_pipe,

};



static struct file_operations tracing_entries_fops = {

static const struct file_operations tracing_entries_fops = {

	.open		= tracing_open_generic,

	.read		= tracing_entries_read,

	.write		= tracing_entries_write,

};



static struct file_operations tracing_mark_fops = {

static const struct file_operations tracing_mark_fops = {

	.open		= tracing_open_generic,

	.write		= tracing_mark_write,

};
@@ -3240,7 +3240,7 @@ tracing_read_dyn_info(struct file *filp, char __user *ubuf, 
	return r;

}



static struct file_operations tracing_dyn_info_fops = {

static const struct file_operations tracing_dyn_info_fops = {

	.open		= tracing_open_generic,

	.read		= tracing_read_dyn_info,

};

kernel/trace/trace_sysprof.c

+1 −1
Original line number Diff line number Diff line
@@ -314,7 +314,7 @@ sysprof_sample_write(struct file *filp, const char __user *ubuf, 
	return cnt;

}



static struct file_operations sysprof_sample_fops = {

static const struct file_operations sysprof_sample_fops = {

	.read		= sysprof_sample_read,

	.write		= sysprof_sample_write,

};