libzfs: add zfs_get_underlying_type. Stop including libzfs_impl.h in cmd

Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>

cmd/zfs/zfs_main.c

@@ -64,6 +64,8 @@
 #include <sys/types.h>
 #include <time.h>
 #include <sys/zfs_project.h>
+#include <sys/spa.h>
+#include <sys/zio.h>
 
 #include <libzfs.h>
 #include <libzfs_core.h>
@@ -78,7 +80,6 @@
 #include "zfs_iter.h"
 #include "zfs_util.h"
 #include "zfs_comutil.h"
-#include "libzfs_impl.h"
 #include "zfs_projectutil.h"
 
 libzfs_handle_t *g_zfs;
@@ -3315,7 +3316,7 @@ zfs_do_userspace(int argc, char **argv)
 	if ((zhp = zfs_path_to_zhandle(g_zfs, argv[0], ZFS_TYPE_FILESYSTEM |
 	    ZFS_TYPE_SNAPSHOT)) == NULL)
 		return (1);
-	if (zhp->zfs_head_type != ZFS_TYPE_FILESYSTEM) {
+	if (zfs_get_underlying_type(zhp) != ZFS_TYPE_FILESYSTEM) {
 		(void) fprintf(stderr, gettext("operation is only applicable "
 		    "to filesystems and their snapshots\n"));
 		zfs_close(zhp);

cmd/zpool_influxdb/zpool_influxdb.c

@@ -71,7 +71,7 @@
 #include <stdio.h>
 #include <stdint.h>
 #include <inttypes.h>
-#include <libzfs_impl.h>
+#include <libzfs.h>
 
 #define	POOL_MEASUREMENT	"zpool_stats"
 #define	SCAN_MEASUREMENT	"zpool_scan_stats"
@@ -101,9 +101,10 @@ typedef int (*stat_printer_f)(nvlist_t *, const char *, const char *);
  * caller is responsible for freeing result
  */
 static char *
-escape_string(char *s)
+escape_string(const char *s)
 {
-	char *c, *d;
+	const char *c;
+	char *d;
 	char *t = (char *)malloc(ZFS_MAX_DATASET_NAME_LEN * 2);
 	if (t == NULL) {
 		fprintf(stderr, "error: cannot allocate memory\n");
@@ -714,7 +715,7 @@ print_stats(zpool_handle_t *zhp, void *data)
 
 	/* if not this pool return quickly */
 	if (data &&
-	    strncmp(data, zhp->zpool_name, ZFS_MAX_DATASET_NAME_LEN) != 0) {
+	    strncmp(data, zpool_get_name(zhp), ZFS_MAX_DATASET_NAME_LEN) != 0) {
 		zpool_close(zhp);
 		return (0);
 	}
@@ -742,7 +743,7 @@ print_stats(zpool_handle_t *zhp, void *data)
 		return (3);
 	}
 
-	pool_name = escape_string(zhp->zpool_name);
+	pool_name = escape_string(zpool_get_name(zhp));
 	err = print_recursive_stats(print_summary_stats, nvroot,
 	    pool_name, NULL, 1);
 	/* if any of these return an error, skip the rest */

cmd/zstream/zstream_redup.c

@@ -22,7 +22,6 @@
 #include <ctype.h>
 #include <errno.h>
 #include <fcntl.h>
-#include <libzfs_impl.h>
 #include <libzfs.h>
 #include <libzutil.h>
 #include <stddef.h>

include/libzfs.h

@@ -468,6 +468,7 @@ extern zfs_handle_t *zfs_open(libzfs_handle_t *, const char *, int);
 extern zfs_handle_t *zfs_handle_dup(zfs_handle_t *);
 extern void zfs_close(zfs_handle_t *);
 extern zfs_type_t zfs_get_type(const zfs_handle_t *);
+extern zfs_type_t zfs_get_underlying_type(const zfs_handle_t *);
 extern const char *zfs_get_name(const zfs_handle_t *);
 extern zpool_handle_t *zfs_get_pool_handle(const zfs_handle_t *);
 extern const char *zfs_get_pool_name(const zfs_handle_t *);