Unverified Commit 68e6b7d9 authored by Christian Brauner's avatar Christian Brauner
Browse files

samples/vfs: fix build warnings 



Fix build warnings reported from linux-next.

Reported-by: default avatarStephen Rothwell <sfr@canb.auug.org.au>
Link: https://lore.kernel.org/r/20250120192504.4a1965a0@canb.auug.org.au


Signed-off-by: default avatarChristian Brauner <brauner@kernel.org>
parent f9d94f78

samples/vfs/test-list-all-mounts.c

+12 −11
Original line number Diff line number Diff line
@@ -5,6 +5,7 @@ 
#include <errno.h>

#include <limits.h>

#include <linux/types.h>

#include <inttypes.h>

#include <stdio.h>



#include "../../tools/testing/selftests/pidfd/pidfd.h"
@@ -86,8 +87,8 @@ int main(int argc, char *argv[]) 
	if (ret < 0)

		die_errno("ioctl(NS_GET_MNTNS_ID) failed");



	printf("Listing %u mounts for mount namespace %llu\n",

	       info.nr_mounts, info.mnt_ns_id);

	printf("Listing %u mounts for mount namespace %" PRIu64 "\n",

	       info.nr_mounts, (uint64_t)info.mnt_ns_id);

	for (;;) {

		ssize_t nr_mounts;

next:
@@ -97,8 +98,8 @@ int main(int argc, char *argv[]) 
		if (nr_mounts <= 0) {

			int fd_mntns_next;



			printf("Finished listing %u mounts for mount namespace %llu\n\n",

			       info.nr_mounts, info.mnt_ns_id);

			printf("Finished listing %u mounts for mount namespace %" PRIu64 "\n\n",

			       info.nr_mounts, (uint64_t)info.mnt_ns_id);

			fd_mntns_next = ioctl(fd_mntns, NS_MNT_GET_NEXT, &info);

			if (fd_mntns_next < 0) {

				if (errno == ENOENT) {
@@ -110,8 +111,8 @@ int main(int argc, char *argv[]) 
			close(fd_mntns);

			fd_mntns = fd_mntns_next;

			last_mnt_id = 0;

			printf("Listing %u mounts for mount namespace %llu\n",

			       info.nr_mounts, info.mnt_ns_id);

			printf("Listing %u mounts for mount namespace %" PRIu64 "\n",

			       info.nr_mounts, (uint64_t)info.mnt_ns_id);

			goto next;

		}
@@ -129,14 +130,14 @@ int main(int argc, char *argv[]) 
					      STATMOUNT_MNT_OPTS |

					      STATMOUNT_FS_TYPE, 0);

			if (!stmnt) {

				printf("Failed to statmount(%llu) in mount namespace(%llu)\n",

				       last_mnt_id, info.mnt_ns_id);

				printf("Failed to statmount(%" PRIu64 ") in mount namespace(%" PRIu64 ")\n",

				       (uint64_t)last_mnt_id, (uint64_t)info.mnt_ns_id);

				continue;

			}



			printf("mnt_id:\t\t%llu\nmnt_parent_id:\t%llu\nfs_type:\t%s\nmnt_root:\t%s\nmnt_point:\t%s\nmnt_opts:\t%s\n\n",

			       stmnt->mnt_id,

			       stmnt->mnt_parent_id,

			printf("mnt_id:\t\t%" PRIu64 "\nmnt_parent_id:\t%" PRIu64 "\nfs_type:\t%s\nmnt_root:\t%s\nmnt_point:\t%s\nmnt_opts:\t%s\n\n",

			       (uint64_t)stmnt->mnt_id,

			       (uint64_t)stmnt->mnt_parent_id,

			       stmnt->str + stmnt->fs_type,

			       stmnt->str + stmnt->mnt_root,

			       stmnt->str + stmnt->mnt_point,