mount: support nfs mount option nordiplus.
By Octavian Purdila <opurdila AT ixiacom.com>
function old new delta
static.options 272 281 +9
daemonize 130 107 -23
singlemount 4674 4579 -95
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/2 up/down: 9/-118) Total: -109 bytes
diff --git a/util-linux/mount.c b/util-linux/mount.c
index 9f9249f..31f433b 100644
--- a/util-linux/mount.c
+++ b/util-linux/mount.c
@@ -701,7 +701,8 @@
NFS_MOUNT_TCP = 0x0040, /* 2 */
NFS_MOUNT_VER3 = 0x0080, /* 3 */
NFS_MOUNT_KERBEROS = 0x0100, /* 3 */
- NFS_MOUNT_NONLM = 0x0200 /* 3 */
+ NFS_MOUNT_NONLM = 0x0200, /* 3 */
+ NFS_MOUNT_NORDIRPLUS = 0x4000
};
@@ -896,18 +897,16 @@
#if BB_MMU
static int daemonize(void)
{
- int fd;
int pid = fork();
if (pid < 0) /* error */
return -errno;
if (pid > 0) /* parent */
return 0;
/* child */
- fd = xopen(bb_dev_null, O_RDWR);
- dup2(fd, 0);
- dup2(fd, 1);
- dup2(fd, 2);
- while (fd > 2) close(fd--);
+ close(0);
+ xopen(bb_dev_null, O_RDWR);
+ xdup2(0, 1);
+ xdup2(0, 2);
setsid();
openlog(applet_name, LOG_PID, LOG_DAEMON);
logmode = LOGMODE_SYSLOG;
@@ -959,23 +958,25 @@
int mountport;
int proto;
#if BB_MMU
- int bg = 0;
+ smallint bg = 0;
#else
enum { bg = 0 };
#endif
- int soft;
- int intr;
- int posix;
- int nocto;
- int noac;
- int nolock;
int retry;
- int tcp;
int mountprog;
int mountvers;
int nfsprog;
int nfsvers;
int retval;
+ /* these all are one-bit really. 4.3.1 likes this combination: */
+ smallint tcp;
+ smallint soft;
+ int intr;
+ int posix;
+ int nocto;
+ int noac;
+ int nordirplus;
+ int nolock;
find_kernel_nfs_mount_version();
@@ -1036,12 +1037,12 @@
* let the kernel decide.
* timeo is filled in after we know whether it'll be TCP or UDP. */
memset(&data, 0, sizeof(data));
- data.retrans = 3;
- data.acregmin = 3;
- data.acregmax = 60;
- data.acdirmin = 30;
- data.acdirmax = 60;
- data.namlen = NAME_MAX;
+ data.retrans = 3;
+ data.acregmin = 3;
+ data.acregmax = 60;
+ data.acdirmin = 30;
+ data.acdirmax = 60;
+ data.namlen = NAME_MAX;
soft = 0;
intr = 0;
@@ -1049,6 +1050,7 @@
nocto = 0;
nolock = 0;
noac = 0;
+ nordirplus = 0;
retry = 10000; /* 10000 minutes ~ 1 week */
tcp = 0;
@@ -1183,7 +1185,8 @@
"ac\0"
"tcp\0"
"udp\0"
- "lock\0";
+ "lock\0"
+ "rdirplus\0";
int val = 1;
if (!strncmp(opt, "no", 2)) {
val = 0;
@@ -1230,6 +1233,9 @@
else
bb_error_msg("warning: option nolock is not supported");
break;
+ case 11: //rdirplus
+ nordirplus = !val;
+ break;
default:
bb_error_msg("unknown nfs mount option: %s%s", val ? "" : "no", opt);
goto fail;
@@ -1242,7 +1248,8 @@
| (intr ? NFS_MOUNT_INTR : 0)
| (posix ? NFS_MOUNT_POSIX : 0)
| (nocto ? NFS_MOUNT_NOCTO : 0)
- | (noac ? NFS_MOUNT_NOAC : 0);
+ | (noac ? NFS_MOUNT_NOAC : 0)
+ | (nordirplus ? NFS_MOUNT_NORDIRPLUS : 0);
if (nfs_mount_version >= 2)
data.flags |= (tcp ? NFS_MOUNT_TCP : 0);
if (nfs_mount_version >= 3)
@@ -1325,6 +1332,7 @@
retry_timeout.tv_usec = 0;
total_timeout.tv_sec = 20;
total_timeout.tv_usec = 0;
+//FIXME: use monotonic()?
timeout = time(NULL) + 60 * retry;
prevt = 0;
t = 30;
@@ -1511,7 +1519,7 @@
if (!daemonized) {
daemonized = daemonize();
if (daemonized <= 0) { /* parent or error */
- // FIXME: parent doesn't close fsock - ??!
+// FIXME: parent doesn't close fsock - ??!
retval = -daemonized;
goto ret;
}