example2-fspick.c

#include "common.h"

int main(void) {
	char mountpoint[255] = "tmpfs/";
    addcurpath(mountpoint);
	printpid();

    wait("* Step 1: Will fspick() the path on %s", mountpoint);
    int fscontext_fd = fspick(0, mountpoint, 0);
    if (fscontext_fd < 0) {
        perror("fspick failed");
        return 1;
    }
    printf("The file descriptor for the handle is fd %d\n", fscontext_fd);


    wait("* Step 2: Configuring the size to 200M...");
    if (fsconfig(fscontext_fd, FSCONFIG_SET_STRING, "size", "200M", 0) < 0) {
        perror("fsconfig size");
        return 1;
    }
    printf("Finished configuration\n");


    wait("* Step 3: Validate and apply the configuration.");
    if (fsconfig(fscontext_fd, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0) < 0) {
        perror("fsconfig create");
        return 1;
    }
    printf("Configuration is valid and was applied. run `df -h` to see the new size\n");

    close(fscontext_fd);
    return 0;
}