Unverified Commit a496dfec authored by Christian Brauner's avatar Christian Brauner
Browse files

samples/vfs: check whether flag was raised 

For string options the kernel will raise the corresponding flag only if
the string isn't empty. So check for the flag.

Link: https://lore.kernel.org/r/20250204-work-mnt_idmap-statmount-v2-3-007720f39f2e@kernel.org


Reviewed-by: default avatarJeff Layton <jlayton@kernel.org>
Signed-off-by: default avatarChristian Brauner <brauner@kernel.org>
parent 37c4a959

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

+5 −4
Original line number Diff line number Diff line
@@ -138,10 +138,11 @@ int main(int argc, char *argv[]) 
			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,

			       stmnt->str + stmnt->mnt_opts);

			       (stmnt->mask & STATMOUNT_FS_TYPE)   ? stmnt->str + stmnt->fs_type   : "",

			       (stmnt->mask & STATMOUNT_MNT_ROOT)  ? stmnt->str + stmnt->mnt_root  : "",

			       (stmnt->mask & STATMOUNT_MNT_POINT) ? stmnt->str + stmnt->mnt_point : "",

			       (stmnt->mask & STATMOUNT_MNT_OPTS)  ? stmnt->str + stmnt->mnt_opts  : "");



			free(stmnt);

		}

	}