staging: lustre: libcfs: declare internal symbols as static

Fixes sparse warnings like:
  warning: symbol '...' was not declared. Should it be static?
Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Cc: Peng Tao <bergwolf@gmail.com>
Cc: Jinshan Xiong <jinshan.xiong@intel.com>
Cc: Srikrishan Malik <srikrishanmalik@gmail.com>
Cc: HPDD-discuss@lists.01.org
Cc: devel@driverdev.osuosl.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/lustre/libcfs/debug.c

@@ -115,7 +115,7 @@ static wait_queue_head_t debug_ctlwq;
 char libcfs_debug_file_path_arr[PATH_MAX] = LIBCFS_DEBUG_FILE_PATH_DEFAULT;
 
 /* We need to pass a pointer here, but elsewhere this must be a const */
-char *libcfs_debug_file_path;
+static char *libcfs_debug_file_path;
 module_param(libcfs_debug_file_path, charp, 0644);
 MODULE_PARM_DESC(libcfs_debug_file_path,
 		 "Path for dumping debug logs, set 'NONE' to prevent log dumping");
@@ -124,7 +124,7 @@ int libcfs_panic_in_progress;
 
 /* libcfs_debug_token2mask() expects the returned
  * string in lower-case */
-const char *
+static const char *
 libcfs_debug_subsys2str(int subsys)
 {
 	switch (1 << subsys) {
@@ -185,7 +185,7 @@ libcfs_debug_subsys2str(int subsys)
 
 /* libcfs_debug_token2mask() expects the returned
  * string in lower-case */
-const char *
+static const char *
 libcfs_debug_dbg2str(int debug)
 {
 	switch (1 << debug) {
@@ -350,7 +350,7 @@ void libcfs_debug_dumplog_internal(void *arg)
 	current->journal_info = journal_info;
 }
 
-int libcfs_debug_dumplog_thread(void *arg)
+static int libcfs_debug_dumplog_thread(void *arg)
 {
 	libcfs_debug_dumplog_internal(arg);
 	wake_up(&debug_ctlwq);

drivers/staging/lustre/lustre/libcfs/linux/linux-curproc.c

@@ -82,7 +82,7 @@ int cfs_cap_raised(cfs_cap_t cap)
 	return cap_raised(current_cap(), cap);
 }
 
-void cfs_kernel_cap_pack(kernel_cap_t kcap, cfs_cap_t *cap)
+static void cfs_kernel_cap_pack(kernel_cap_t kcap, cfs_cap_t *cap)
 {
 	/* XXX lost high byte */
 	*cap = kcap.cap[0];

drivers/staging/lustre/lustre/libcfs/linux/linux-proc.c

@@ -232,8 +232,9 @@ static int proc_debug_mb(struct ctl_table *table, int write,
 				 __proc_debug_mb);
 }
 
-int proc_console_max_delay_cs(struct ctl_table *table, int write,
-			      void __user *buffer, size_t *lenp, loff_t *ppos)
+static int proc_console_max_delay_cs(struct ctl_table *table, int write,
+				     void __user *buffer, size_t *lenp,
+				     loff_t *ppos)
 {
 	int rc, max_delay_cs;
 	struct ctl_table dummy = *table;
@@ -264,8 +265,9 @@ int proc_console_max_delay_cs(struct ctl_table *table, int write,
 	return rc;
 }
 
-int proc_console_min_delay_cs(struct ctl_table *table, int write,
-			      void __user *buffer, size_t *lenp, loff_t *ppos)
+static int proc_console_min_delay_cs(struct ctl_table *table, int write,
+				     void __user *buffer, size_t *lenp,
+				     loff_t *ppos)
 {
 	int rc, min_delay_cs;
 	struct ctl_table dummy = *table;
@@ -296,8 +298,8 @@ int proc_console_min_delay_cs(struct ctl_table *table, int write,
 	return rc;
 }
 
-int proc_console_backoff(struct ctl_table *table, int write,
-			 void __user *buffer, size_t *lenp, loff_t *ppos)
+static int proc_console_backoff(struct ctl_table *table, int write,
+				void __user *buffer, size_t *lenp, loff_t *ppos)
 {
 	int rc, backoff;
 	struct ctl_table dummy = *table;
@@ -324,16 +326,18 @@ int proc_console_backoff(struct ctl_table *table, int write,
 	return rc;
 }
 
-int libcfs_force_lbug(struct ctl_table *table, int write, void __user *buffer,
-		      size_t *lenp, loff_t *ppos)
+static int libcfs_force_lbug(struct ctl_table *table, int write,
+			     void __user *buffer,
+			     size_t *lenp, loff_t *ppos)
 {
 	if (write)
 		LBUG();
 	return 0;
 }
 
-int proc_fail_loc(struct ctl_table *table, int write, void __user *buffer,
-		  size_t *lenp, loff_t *ppos)
+static int proc_fail_loc(struct ctl_table *table, int write,
+			 void __user *buffer,
+			 size_t *lenp, loff_t *ppos)
 {
 	int rc;
 	long old_fail_loc = cfs_fail_loc;

drivers/staging/lustre/lustre/libcfs/linux/linux-tcpip.c

@@ -43,7 +43,7 @@
 /* For sys_open & sys_close */
 #include <linux/syscalls.h>
 
-int
+static int
 libcfs_sock_ioctl(int cmd, unsigned long arg)
 {
 	mm_segment_t	oldmm = get_fs();

drivers/staging/lustre/lustre/libcfs/tracefile.c

@@ -55,7 +55,7 @@ static struct tracefiled_ctl trace_tctl;
 struct mutex cfs_trace_thread_mutex;
 static int thread_running = 0;
 
-atomic_t cfs_tage_allocated = ATOMIC_INIT(0);
+static atomic_t cfs_tage_allocated = ATOMIC_INIT(0);
 
 static void put_pages_on_tcd_daemon_list(struct page_collection *pc,
 					 struct cfs_trace_cpu_data *tcd);