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make mcoverlayfs optional (default: enabled)

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This commit is contained in:
Balazs Gerofi
2016-04-02 15:43:35 -04:00
parent 73de203c16
commit fb32120659
6 changed files with 54 additions and 4 deletions
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6
executer/user/mcexec.c
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@ -1089,6 +1089,7 @@ void init_worker_threads(int fd)
pthread_barrier_wait(&init_ready);
}
#ifdef ENABLE_MCOVERLAYFS
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)
#define READ_BUFSIZE 1024
static int isunshare(void)
@ -1162,6 +1163,7 @@ static int isunshare(void)
return err;
}
#endif
#endif // ENABLE_MCOVERLAYFS
#define MCK_RLIMIT_AS 0
#define MCK_RLIMIT_CORE 1
@ -1349,6 +1351,7 @@ int main(int argc, char **argv)
return 1;
}
#ifdef ENABLE_MCOVERLAYFS
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)
__dprintf("mcoverlay enable\n");
char mcos_procdir[PATH_MAX];
@ -1397,9 +1400,10 @@ int main(int argc, char **argv)
} else if (error == -1) {
return 1;
}
#endif // LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)
#else
__dprintf("mcoverlay disable\n");
#endif
#endif // ENABLE_MCOVERLAYFS
if (lookup_exec_path(argv[optind], path, sizeof(path)) != 0) {
fprintf(stderr, "error: finding file: %s\n", argv[optind]);