btrfs-progs: fix -Wmissing-prototypes warnings

The fixes involve the following changes:

- Unexport functions which are not utilized out of the file
  * print_path_column()
  * parse_reflink_range()
  * btrfs_list_setup_print_column()
  * device_get_partition_size_sysfs()
  * max_zone_append_size()

- Include related headers before implementing the function
  * change-uuid.c
  * convert-bgt.c
  * seed.h

- Add missing headers caused by the above header changes
  * include <uuid/uuid.h> for tune/tune.h.

Signed-off-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

cmds/qgroup.c

@@ -289,7 +289,7 @@ static void print_qgroup_column_add_blank(enum btrfs_qgroup_column_enum column,
 		printf(" ");
 }
 
-void print_path_column(struct btrfs_qgroup *qgroup)
+static void print_path_column(struct btrfs_qgroup *qgroup)
 {
 	struct btrfs_qgroup_list *list = NULL;
 

cmds/reflink.c

@@ -58,7 +58,7 @@ struct reflink_range {
 	bool same_file;
 };
 
-void parse_reflink_range(const char *str, u64 *from, u64 *length, u64 *to)
+static void parse_reflink_range(const char *str, u64 *from, u64 *length, u64 *to)
 {
 	char tmp[512];
 	int i;

cmds/subvolume-list.c

@@ -280,7 +280,7 @@ static struct {
 static btrfs_list_filter_func all_filter_funcs[];
 static btrfs_list_comp_func all_comp_funcs[];
 
-void btrfs_list_setup_print_column(enum btrfs_list_column_enum column)
+static void btrfs_list_setup_print_column(enum btrfs_list_column_enum column)
 {
 	int i;
 

common/device-utils.c

@@ -332,7 +332,7 @@ u64 device_get_partition_size_fd(int fd)
 	return result;
 }
 
-u64 device_get_partition_size_sysfs(const char *dev)
+static u64 device_get_partition_size_sysfs(const char *dev)
 {
 	int ret;
 	char path[PATH_MAX] = {};

common/utils.c

@@ -498,7 +498,7 @@ static bool valid_escape(const char *str)
  * - line is advanced to the final separator or nul character
  * - returned path is a valid string terminated by zero or whitespace separator
  */
-char *read_path(char **line)
+static char *read_path(char **line)
 {
 	char *ret = *line;
 	char *out = *line;

kernel-shared/ulist.c

@@ -73,7 +73,7 @@ void ulist_init(struct ulist *ulist)
  * This is useful in cases where the base 'struct ulist' has been statically
  * allocated.
  */
-void ulist_release(struct ulist *ulist)
+static void ulist_release(struct ulist *ulist)
 {
 	struct ulist_node *node;
 	struct ulist_node *next;

kernel-shared/zoned.c

@@ -92,7 +92,7 @@ u64 zone_size(const char *file)
 	return strtoull((const char *)chunk, NULL, 10) << SECTOR_SHIFT;
 }
 
-u64 max_zone_append_size(const char *file)
+static u64 max_zone_append_size(const char *file)
 {
 	char chunk[32];
 	int ret;

tune/change-csum.c

@@ -24,6 +24,7 @@
 #include "kernel-shared/transaction.h"
 #include "common/messages.h"
 #include "common/internal.h"
+#include "tune/tune.h"
 
 static int change_tree_csum(struct btrfs_trans_handle *trans, struct btrfs_root *root,
 			    int csum_type)

tune/change-uuid.c

@@ -26,6 +26,7 @@
 #include "kernel-shared/volumes.h"
 #include "common/defs.h"
 #include "common/messages.h"
+#include "tune/tune.h"
 
 static int change_fsid_prepare(struct btrfs_fs_info *fs_info, uuid_t new_fsid)
 {

tune/convert-bgt.c

@@ -22,6 +22,7 @@
 #include "kernel-shared/transaction.h"
 #include "common/messages.h"
 #include "common/extent-cache.h"
+#include "tune/tune.h"
 
 /* After this many block groups we need to commit transaction. */
 #define BLOCK_GROUP_BATCH	64

tune/seeding.c

@@ -18,6 +18,7 @@
 #include "kernel-shared/ctree.h"
 #include "kernel-shared/transaction.h"
 #include "common/messages.h"
+#include "tune/tune.h"
 
 int update_seeding_flag(struct btrfs_root *root, const char *device, int set_flag, int force)
 {

tune/tune.h

@@ -17,6 +17,8 @@
 #ifndef __BTRFS_TUNE_H__
 #define __BTRFS_TUNE_H__
 
+#include <uuid/uuid.h>
+
 struct btrfs_root;
 struct btrfs_fs_info;