[OE-core] [PATCH v2 1/6] unfs3: Add a NFSv3 user mode server for use with runqemu
Jason Wessel
jason.wessel at windriver.com
Thu Jan 23 14:32:41 UTC 2014
The user mode nfs server allows the use of runqemu without any root
privileges and may even be accelerated with kvm.
Example:
runqemu-extract-sdk tmp-eglibc/deploy/images/qemux86-64/core-image-minimal-qemux86-64.tar.bz2 rootfs
runqemu qemux86-64 `pwd`/rootfs nographic slirp kvm
[YOCTO #5639]
Signed-off-by: Jason Wessel <jason.wessel at windriver.com>
---
meta/files/common-licenses/unfs3 | 24 +++
.../unfs3/unfs3/alternate_rpc_ports.patch | 158 ++++++++++++++++++++
.../unfs3/unfs3/fix_compile_warning.patch | 25 ++++
.../fix_pid_race_parent_writes_child_pid.patch | 61 ++++++++
.../unfs3/unfs3/fix_warnings.patch | 53 +++++++
.../unfs3/unfs3/relative_max_socket_path_len.patch | 74 +++++++++
.../unfs3/unfs3/rename_fh_cache.patch | 64 ++++++++
.../unfs3/unfs3/tcp_no_delay.patch | 56 +++++++
.../unfs3/unfs3/unfs3_parallel_build.patch | 36 +++++
meta/recipes-devtools/unfs3/unfs3_0.9.22.r490.bb | 44 ++++++
10 files changed, 595 insertions(+)
create mode 100644 meta/files/common-licenses/unfs3
create mode 100644 meta/recipes-devtools/unfs3/unfs3/alternate_rpc_ports.patch
create mode 100644 meta/recipes-devtools/unfs3/unfs3/fix_compile_warning.patch
create mode 100644 meta/recipes-devtools/unfs3/unfs3/fix_pid_race_parent_writes_child_pid.patch
create mode 100644 meta/recipes-devtools/unfs3/unfs3/fix_warnings.patch
create mode 100644 meta/recipes-devtools/unfs3/unfs3/relative_max_socket_path_len.patch
create mode 100644 meta/recipes-devtools/unfs3/unfs3/rename_fh_cache.patch
create mode 100644 meta/recipes-devtools/unfs3/unfs3/tcp_no_delay.patch
create mode 100644 meta/recipes-devtools/unfs3/unfs3/unfs3_parallel_build.patch
create mode 100644 meta/recipes-devtools/unfs3/unfs3_0.9.22.r490.bb
diff --git a/meta/files/common-licenses/unfs3 b/meta/files/common-licenses/unfs3
new file mode 100644
index 0000000..7f2b53f
--- /dev/null
+++ b/meta/files/common-licenses/unfs3
@@ -0,0 +1,24 @@
+UNFS3 user-space NFSv3 server
+(C) 2003, Pascal Schmidt <unfs3-server at ewetel.net>
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+3. The name of the author may not be used to endorse or promote products
+ derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/meta/recipes-devtools/unfs3/unfs3/alternate_rpc_ports.patch b/meta/recipes-devtools/unfs3/unfs3/alternate_rpc_ports.patch
new file mode 100644
index 0000000..029582e
--- /dev/null
+++ b/meta/recipes-devtools/unfs3/unfs3/alternate_rpc_ports.patch
@@ -0,0 +1,158 @@
+Add ability to specify rcp port numbers
+
+In order to run more than one unfs server on a host system, you must
+be able to specify alternate rpc port numbers.
+
+Jason Wessel <jason.wessel at windriver.com>
+
+Upstream-Status: Pending
+
+---
+ daemon.c | 44 +++++++++++++++++++++++++++++++-------------
+ mount.c | 4 ++--
+ 2 files changed, 33 insertions(+), 15 deletions(-)
+
+--- a/daemon.c
++++ b/daemon.c
+@@ -78,6 +78,8 @@ int opt_testconfig = FALSE;
+ struct in_addr opt_bind_addr;
+ int opt_readable_executables = FALSE;
+ char *opt_pid_file = NULL;
++int nfs_prog = NFS3_PROGRAM;
++int mount_prog = MOUNTPROG;
+
+ /* Register with portmapper? */
+ int opt_portmapper = TRUE;
+@@ -206,7 +208,7 @@ static void parse_options(int argc, char
+ {
+
+ int opt = 0;
+- char *optstring = "bcC:de:hl:m:n:prstTuwi:";
++ char *optstring = "bcC:de:hl:m:n:prstTuwi:x:y:";
+
+ while (opt != -1) {
+ opt = getopt(argc, argv, optstring);
+@@ -261,8 +263,24 @@ static void parse_options(int argc, char
+ printf
+ ("\t-r report unreadable executables as readable\n");
+ printf("\t-T test exports file and exit\n");
++ printf("\t-x <port> alternate NFS RPC port\n");
++ printf("\t-y <port> alternate MOUNTD RPC port\n");
+ exit(0);
+ break;
++ case 'x':
++ nfs_prog = strtol(optarg, NULL, 10);
++ if (nfs_prog == 0) {
++ fprintf(stderr, "Invalid NFS RPC port\n");
++ exit(1);
++ }
++ break;
++ case 'y':
++ mount_prog = strtol(optarg, NULL, 10);
++ if (mount_prog == 0) {
++ fprintf(stderr, "Invalid MOUNTD RPC port\n");
++ exit(1);
++ }
++ break;
+ case 'l':
+ opt_bind_addr.s_addr = inet_addr(optarg);
+ if (opt_bind_addr.s_addr == (unsigned) -1) {
+@@ -347,12 +365,12 @@ void daemon_exit(int error)
+ #endif /* WIN32 */
+
+ if (opt_portmapper) {
+- svc_unregister(MOUNTPROG, MOUNTVERS1);
+- svc_unregister(MOUNTPROG, MOUNTVERS3);
++ svc_unregister(mount_prog, MOUNTVERS1);
++ svc_unregister(mount_prog, MOUNTVERS3);
+ }
+
+ if (opt_portmapper) {
+- svc_unregister(NFS3_PROGRAM, NFS_V3);
++ svc_unregister(nfs_prog, NFS_V3);
+ }
+
+ if (error == SIGSEGV)
+@@ -657,13 +675,13 @@ static void mountprog_3(struct svc_req *
+ static void register_nfs_service(SVCXPRT * udptransp, SVCXPRT * tcptransp)
+ {
+ if (opt_portmapper) {
+- pmap_unset(NFS3_PROGRAM, NFS_V3);
++ pmap_unset(nfs_prog, NFS_V3);
+ }
+
+ if (udptransp != NULL) {
+ /* Register NFS service for UDP */
+ if (!svc_register
+- (udptransp, NFS3_PROGRAM, NFS_V3, nfs3_program_3,
++ (udptransp, nfs_prog, NFS_V3, nfs3_program_3,
+ opt_portmapper ? IPPROTO_UDP : 0)) {
+ fprintf(stderr, "%s\n",
+ "unable to register (NFS3_PROGRAM, NFS_V3, udp).");
+@@ -674,7 +692,7 @@ static void register_nfs_service(SVCXPRT
+ if (tcptransp != NULL) {
+ /* Register NFS service for TCP */
+ if (!svc_register
+- (tcptransp, NFS3_PROGRAM, NFS_V3, nfs3_program_3,
++ (tcptransp, nfs_prog, NFS_V3, nfs3_program_3,
+ opt_portmapper ? IPPROTO_TCP : 0)) {
+ fprintf(stderr, "%s\n",
+ "unable to register (NFS3_PROGRAM, NFS_V3, tcp).");
+@@ -686,14 +704,14 @@ static void register_nfs_service(SVCXPRT
+ static void register_mount_service(SVCXPRT * udptransp, SVCXPRT * tcptransp)
+ {
+ if (opt_portmapper) {
+- pmap_unset(MOUNTPROG, MOUNTVERS1);
+- pmap_unset(MOUNTPROG, MOUNTVERS3);
++ pmap_unset(mount_prog, MOUNTVERS1);
++ pmap_unset(mount_prog, MOUNTVERS3);
+ }
+
+ if (udptransp != NULL) {
+ /* Register MOUNT service (v1) for UDP */
+ if (!svc_register
+- (udptransp, MOUNTPROG, MOUNTVERS1, mountprog_3,
++ (udptransp, mount_prog, MOUNTVERS1, mountprog_3,
+ opt_portmapper ? IPPROTO_UDP : 0)) {
+ fprintf(stderr, "%s\n",
+ "unable to register (MOUNTPROG, MOUNTVERS1, udp).");
+@@ -702,7 +720,7 @@ static void register_mount_service(SVCXP
+
+ /* Register MOUNT service (v3) for UDP */
+ if (!svc_register
+- (udptransp, MOUNTPROG, MOUNTVERS3, mountprog_3,
++ (udptransp, mount_prog, MOUNTVERS3, mountprog_3,
+ opt_portmapper ? IPPROTO_UDP : 0)) {
+ fprintf(stderr, "%s\n",
+ "unable to register (MOUNTPROG, MOUNTVERS3, udp).");
+@@ -713,7 +731,7 @@ static void register_mount_service(SVCXP
+ if (tcptransp != NULL) {
+ /* Register MOUNT service (v1) for TCP */
+ if (!svc_register
+- (tcptransp, MOUNTPROG, MOUNTVERS1, mountprog_3,
++ (tcptransp, mount_prog, MOUNTVERS1, mountprog_3,
+ opt_portmapper ? IPPROTO_TCP : 0)) {
+ fprintf(stderr, "%s\n",
+ "unable to register (MOUNTPROG, MOUNTVERS1, tcp).");
+@@ -722,7 +740,7 @@ static void register_mount_service(SVCXP
+
+ /* Register MOUNT service (v3) for TCP */
+ if (!svc_register
+- (tcptransp, MOUNTPROG, MOUNTVERS3, mountprog_3,
++ (tcptransp, mount_prog, MOUNTVERS3, mountprog_3,
+ opt_portmapper ? IPPROTO_TCP : 0)) {
+ fprintf(stderr, "%s\n",
+ "unable to register (MOUNTPROG, MOUNTVERS3, tcp).");
+--- a/mount.c
++++ b/mount.c
+@@ -155,8 +155,8 @@ mountres3 *mountproc_mnt_3_svc(dirpath *
+ /* error out if not version 3 */
+ if (rqstp->rq_vers != 3) {
+ logmsg(LOG_INFO,
+- "%s attempted mount with unsupported protocol version",
+- inet_ntoa(get_remote(rqstp)));
++ "%s attempted mount with unsupported protocol version: %i",
++ inet_ntoa(get_remote(rqstp)), rqstp->rq_vers);
+ result.fhs_status = MNT3ERR_INVAL;
+ return &result;
+ }
diff --git a/meta/recipes-devtools/unfs3/unfs3/fix_compile_warning.patch b/meta/recipes-devtools/unfs3/unfs3/fix_compile_warning.patch
new file mode 100644
index 0000000..604824a
--- /dev/null
+++ b/meta/recipes-devtools/unfs3/unfs3/fix_compile_warning.patch
@@ -0,0 +1,25 @@
+daemon.c: Check exit code of chdir()
+
+Stop the compile warning and fix the code to act on a chdir() failure.
+If this one does fail something is very, very wrong.
+
+Signed-off-by: Jason Wessel <jason.wessel at windriver.com>
+
+Upstream-Status: Pending
+
+---
+ daemon.c | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+--- a/daemon.c
++++ b/daemon.c
+@@ -964,7 +964,8 @@ int main(int argc, char **argv)
+ sigaction(SIGALRM, &act, NULL);
+
+ /* don't make directory we started in busy */
+- chdir("/");
++ if(chdir("/") < 0)
++ daemon_exit(0);
+
+ /* detach from terminal */
+ if (opt_detach) {
diff --git a/meta/recipes-devtools/unfs3/unfs3/fix_pid_race_parent_writes_child_pid.patch b/meta/recipes-devtools/unfs3/unfs3/fix_pid_race_parent_writes_child_pid.patch
new file mode 100644
index 0000000..76d7555
--- /dev/null
+++ b/meta/recipes-devtools/unfs3/unfs3/fix_pid_race_parent_writes_child_pid.patch
@@ -0,0 +1,61 @@
+daemon.c: Fix race window for writing of the pid file
+
+The parent process should write the pid file such that the pid file
+will can be checked immediately following exit of the fork from the
+parent.
+
+This allows external monitoring applications to watch the daemon
+without having to add sleep calls to wait for the pid file be written
+on a busy system.
+
+Signed-off-by: Jason Wessel <jason.wessel at windriver.com>
+
+Upstream-Status: Pending
+
+---
+ daemon.c | 12 +++++++++---
+ 1 file changed, 9 insertions(+), 3 deletions(-)
+
+--- a/daemon.c
++++ b/daemon.c
+@@ -153,7 +153,7 @@ int get_socket_type(struct svc_req *rqst
+ /*
+ * write current pid to a file
+ */
+-static void create_pid_file(void)
++static void create_pid_file(int pid)
+ {
+ char buf[16];
+ int fd, res, len;
+@@ -175,7 +175,7 @@ static void create_pid_file(void)
+ }
+ #endif
+
+- sprintf(buf, "%i\n", backend_getpid());
++ sprintf(buf, "%i\n", pid);
+ len = strlen(buf);
+
+ res = backend_pwrite(fd, buf, len, 0);
+@@ -970,6 +970,10 @@ int main(int argc, char **argv)
+ fprintf(stderr, "could not fork into background\n");
+ daemon_exit(0);
+ }
++ if (pid)
++ create_pid_file(pid);
++ } else {
++ create_pid_file(backend_getpid());
+ }
+ #endif /* WIN32 */
+
+@@ -1006,8 +1010,10 @@ int main(int argc, char **argv)
+ /* no umask to not screw up create modes */
+ umask(0);
+
++#ifdef WIN32
+ /* create pid file if wanted */
+- create_pid_file();
++ create_pid_file(backend_getpid());
++#endif
+
+ /* initialize internal stuff */
+ fh_cache_init();
diff --git a/meta/recipes-devtools/unfs3/unfs3/fix_warnings.patch b/meta/recipes-devtools/unfs3/unfs3/fix_warnings.patch
new file mode 100644
index 0000000..ed61ea1
--- /dev/null
+++ b/meta/recipes-devtools/unfs3/unfs3/fix_warnings.patch
@@ -0,0 +1,53 @@
+exports.*: fix warnings.
+
+Fix these warnings:
+lex.yy.c:1207: warning: 'yyunput' defined but not used
+lex.yy.c:1248: warning: 'input' defined but not used
+exports.y: In function 'set_hostname':
+exports.y:334: warning: large integer implicitly truncated to unsigned type
+exports.y: In function 'set_ipaddr':
+exports.y:350: warning: large integer implicitly truncated to unsigned type
+
+Signed-off-by: Jason Wessel <jason.wessel at windriver.com>
+
+Upstream-Status: Pending
+
+---
+ Config/exports.l | 3 +++
+ Config/exports.y | 6 ++++--
+ 2 files changed, 7 insertions(+), 2 deletions(-)
+
+--- a/Config/exports.l
++++ b/Config/exports.l
+@@ -48,6 +48,9 @@ NETCOMP [0-9]{1,2}
+ NET {IP}"/"{NETCOMP}
+ OLDNET {IP}"/"{IP}
+
++%option nounput
++%option noinput
++
+ %%
+
+ ^{WHITE}*\n { /* eat empty line */ }
+--- a/Config/exports.y
++++ b/Config/exports.y
+@@ -331,7 +331,8 @@ static void set_hostname(const char *nam
+ if (ent) {
+ memcpy(&cur_host.addr, ent->h_addr_list[0],
+ sizeof(struct in_addr));
+- cur_host.mask.s_addr = ~0UL;
++ cur_host.mask.s_addr = 0;
++ cur_host.mask.s_addr = ~cur_host.mask.s_addr;
+ } else {
+ logmsg(LOG_CRIT, "could not resolve hostname '%s'", name);
+ e_error = TRUE;
+@@ -347,7 +348,8 @@ static void set_ipaddr(const char *addr)
+
+ if (!inet_aton(addr, &cur_host.addr))
+ e_error = TRUE;
+- cur_host.mask.s_addr = ~0UL;
++ cur_host.mask.s_addr = 0;
++ cur_host.mask.s_addr = ~cur_host.mask.s_addr;
+ }
+
+ /*
diff --git a/meta/recipes-devtools/unfs3/unfs3/relative_max_socket_path_len.patch b/meta/recipes-devtools/unfs3/unfs3/relative_max_socket_path_len.patch
new file mode 100644
index 0000000..17ad7b6
--- /dev/null
+++ b/meta/recipes-devtools/unfs3/unfs3/relative_max_socket_path_len.patch
@@ -0,0 +1,74 @@
+nfs.c: Allow max sa.sun_path for a localdomain socket with the user nfs-server
+
+There is a hard limit for the kernel of 108 characters for a
+localdomain socket name. To avoid problems with the user nfs
+server it should maximize the number of characters by using
+a relative path on the server side.
+
+Previously the nfs-server used the absolute path name passed to
+the sa.sunpath arg for binding the socket and this has caused
+problems for both the X server and UST binaries which make
+heavy use of named sockets with long names.
+
+Signed-off-by: Jason Wessel <jason.wessel at windriver.com>
+
+Upstream-Status: Pending
+
+---
+ nfs.c | 29 +++++++++++++++++++++++++++--
+ 1 file changed, 27 insertions(+), 2 deletions(-)
+
+--- a/nfs.c
++++ b/nfs.c
+@@ -672,6 +672,7 @@ SYMLINK3res *nfsproc3_symlink_3_svc(SYML
+ }
+
+ #ifndef WIN32
++static char pathbuf_tmp[NFS_MAXPATHLEN + NFS_MAXNAMLEN + 1];
+
+ /*
+ * create Unix socket
+@@ -680,17 +681,41 @@ static int mksocket(const char *path, mo
+ {
+ int res, sock;
+ struct sockaddr_un addr;
++ unsigned int len = strlen(path);
+
+ sock = socket(PF_UNIX, SOCK_STREAM, 0);
+- addr.sun_family = AF_UNIX;
+- strcpy(addr.sun_path, path);
+ res = sock;
+ if (res != -1) {
++ addr.sun_family = AF_UNIX;
++ if (len < sizeof(addr.sun_path) -1) {
++ strcpy(addr.sun_path, path);
++ } else {
++ char *ptr;
++ res = -1;
++ if (len >= sizeof(path))
++ goto out;
++ strcpy(pathbuf_tmp, path);
++ ptr = strrchr(pathbuf_tmp,'/');
++ if (ptr) {
++ *ptr = '\0';
++ ptr++;
++ if (chdir(pathbuf_tmp))
++ goto out;
++ } else {
++ ptr = pathbuf_tmp;
++ }
++ if (strlen(ptr) >= sizeof(addr.sun_path))
++ goto out;
++ strcpy(addr.sun_path, ptr);
++ }
+ umask(~mode);
+ res =
+ bind(sock, (struct sockaddr *) &addr,
+ sizeof(addr.sun_family) + strlen(addr.sun_path));
+ umask(0);
++out:
++ if (chdir("/"))
++ fprintf(stderr, "Internal failure to chdir /\n");
+ close(sock);
+ }
+ return res;
diff --git a/meta/recipes-devtools/unfs3/unfs3/rename_fh_cache.patch b/meta/recipes-devtools/unfs3/unfs3/rename_fh_cache.patch
new file mode 100644
index 0000000..37de8c3
--- /dev/null
+++ b/meta/recipes-devtools/unfs3/unfs3/rename_fh_cache.patch
@@ -0,0 +1,64 @@
+From: Jason Wessel <jason.wessel at windriver.com>
+Date: Sat, 23 Feb 2013 08:49:08 -0600
+Subject: [PATCH] fh_cache: fix statle nfs handle on rename problem
+
+The following test case fails with modern linunx kernels which cache
+the renamed inode.
+
+ % mkdir a;mkdir b;mv b a/;ls -l a
+ ls: a/b: Stale NFS file handle
+
+The issue is that nfserver was not updating the fh_cache with the new
+location of the inode, when it moves directories.
+
+Signed-off-by: Jason Wessel <jason.wessel at windriver.com>
+
+Upstream-Status: Pending
+
+---
+ fh_cache.c | 12 ++++++++++++
+ fh_cache.h | 1 +
+ nfs.c | 2 ++
+ 3 files changed, 15 insertions(+)
+
+--- a/fh_cache.c
++++ b/fh_cache.c
+@@ -199,6 +199,18 @@ static char *fh_cache_lookup(uint32 dev,
+ }
+
+ /*
++ * update a fh inode cache for an operation like rename
++ */
++void fh_cache_update(nfs_fh3 fh, char *path)
++{
++ unfs3_fh_t *obj = (void *) fh.data.data_val;
++ backend_statstruct buf;
++
++ if (backend_lstat(path, &buf) != -1) {
++ fh_cache_add(obj->dev, buf.st_ino, path);
++ }
++}
++/*
+ * resolve a filename into a path
+ * cache-using wrapper for fh_decomp_raw
+ */
+--- a/fh_cache.h
++++ b/fh_cache.h
+@@ -19,5 +19,6 @@ unfs3_fh_t fh_comp(const char *path, str
+ unfs3_fh_t *fh_comp_ptr(const char *path, struct svc_req *rqstp, int need_dir);
+
+ char *fh_cache_add(uint32 dev, uint64 ino, const char *path);
++void fh_cache_update(nfs_fh3 fh, char *path);
+
+ #endif
+--- a/nfs.c
++++ b/nfs.c
+@@ -876,6 +876,8 @@ RENAME3res *nfsproc3_rename_3_svc(RENAME
+ res = backend_rename(from_obj, to_obj);
+ if (res == -1)
+ result.status = rename_err();
++ /* Update the fh_cache with moved inode value */
++ fh_cache_update(argp->to.dir, to_obj);
+ }
+ }
+
diff --git a/meta/recipes-devtools/unfs3/unfs3/tcp_no_delay.patch b/meta/recipes-devtools/unfs3/unfs3/tcp_no_delay.patch
new file mode 100644
index 0000000..bc78dee
--- /dev/null
+++ b/meta/recipes-devtools/unfs3/unfs3/tcp_no_delay.patch
@@ -0,0 +1,56 @@
+daemon.c: Add option for tcp no delay
+
+Allow the NFS tcp sockets to conditionally use TCP_NODELAY
+
+Upstream-Status: Pending
+
+---
+ daemon.c | 9 ++++++++-
+ 1 file changed, 8 insertions(+), 1 deletion(-)
+
+--- a/daemon.c
++++ b/daemon.c
+@@ -17,6 +17,7 @@
+ #ifndef WIN32
+ #include <sys/socket.h>
+ #include <netinet/in.h>
++#include <netinet/tcp.h>
+ #include <arpa/inet.h>
+ #include <syslog.h>
+ #else /* WIN32 */
+@@ -75,6 +76,7 @@ unsigned int opt_mount_port = NFS_PORT;
+ int opt_singleuser = FALSE;
+ int opt_brute_force = FALSE;
+ int opt_testconfig = FALSE;
++int opt_tcp_nodelay = FALSE;
+ struct in_addr opt_bind_addr;
+ int opt_readable_executables = FALSE;
+ char *opt_pid_file = NULL;
+@@ -208,7 +210,7 @@ static void parse_options(int argc, char
+ {
+
+ int opt = 0;
+- char *optstring = "bcC:de:hl:m:n:prstTuwi:x:y:";
++ char *optstring = "bcC:de:hl:m:Nn:prstTuwi:x:y:";
+
+ while (opt != -1) {
+ opt = getopt(argc, argv, optstring);
+@@ -295,6 +297,9 @@ static void parse_options(int argc, char
+ exit(1);
+ }
+ break;
++ case 'N':
++ opt_tcp_nodelay = TRUE;
++ break;
+ case 'n':
+ opt_nfs_port = strtol(optarg, NULL, 10);
+ if (opt_nfs_port == 0) {
+@@ -802,6 +807,8 @@ static SVCXPRT *create_tcp_transport(uns
+ sin.sin_addr.s_addr = opt_bind_addr.s_addr;
+ sock = socket(PF_INET, SOCK_STREAM, 0);
+ setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (const char *) &on, sizeof(on));
++ if (opt_tcp_nodelay)
++ setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, &on, sizeof(on));
+ if (bind(sock, (struct sockaddr *) &sin, sizeof(struct sockaddr))) {
+ perror("bind");
+ fprintf(stderr, "Couldn't bind to tcp port %d\n", port);
diff --git a/meta/recipes-devtools/unfs3/unfs3/unfs3_parallel_build.patch b/meta/recipes-devtools/unfs3/unfs3/unfs3_parallel_build.patch
new file mode 100644
index 0000000..c7fe3d7
--- /dev/null
+++ b/meta/recipes-devtools/unfs3/unfs3/unfs3_parallel_build.patch
@@ -0,0 +1,36 @@
+Fix parallel build dependency issue
+
+If building with make -j2 the lib.a will not get built in time.
+
+Jason Wessel <jason.wessel at windriver.com>
+
+Upstream-Status: Pending
+
+---
+ Config/Makefile.in | 2 ++
+ Makefile.in | 3 ++-
+ 2 files changed, 4 insertions(+), 1 deletion(-)
+
+--- a/Makefile.in
++++ b/Makefile.in
+@@ -29,7 +29,8 @@ DESTDIR =
+
+ VPATH = $(srcdir)
+
+-all: subdirs unfsd$(EXEEXT)
++all: subdirs
++ $(MAKE) unfsd$(EXEEXT)
+
+ unfsd$(EXEEXT): $(OBJS) $(CONFOBJ) $(EXTRAOBJ)
+ $(CC) -o $@ $(OBJS) $(CONFOBJ) $(EXTRAOBJ) $(LDFLAGS)
+--- a/Config/Makefile.in
++++ b/Config/Makefile.in
+@@ -16,6 +16,8 @@ lib.a: $(OBJS)
+ $(AR) crs lib.a $(OBJS)
+
+ y.tab.h y.tab.c: $(srcdir)/exports.y
++
++y.tab.c: $(srcdir)/exports.y
+ $(YACC) -d $(srcdir)/exports.y
+
+ y.tab.o: y.tab.c $(srcdir)/exports.h $(top_srcdir)/nfs.h $(top_srcdir)/mount.h $(top_srcdir)/daemon.h
diff --git a/meta/recipes-devtools/unfs3/unfs3_0.9.22.r490.bb b/meta/recipes-devtools/unfs3/unfs3_0.9.22.r490.bb
new file mode 100644
index 0000000..3d88b42
--- /dev/null
+++ b/meta/recipes-devtools/unfs3/unfs3_0.9.22.r490.bb
@@ -0,0 +1,44 @@
+DESCRIPTION = "Userspace NFS server v3 protocol"
+SECTION = "console/network"
+LICENSE = "unfs3"
+LIC_FILES_CHKSUM = "file://LICENSE;md5=9475885294e17c0cc0067820d042792e"
+
+RDEPENDS_${PN} = "pseudo"
+RDEPENDS_${PN}_class-native = "pseudo-native"
+RDEPENDS_${PN}_class-nativesdk = "pseudo-nativesdk"
+DEPENDS = "flex-native bison-native"
+DEPENDS_class-nativesdk += "flex-nativesdk"
+
+SRC_URI[md5sum] = "3687acc4ee992e536472365dd99712a7"
+SRC_URI[sha256sum] = "274b43ada9c6eea1da26eb7010d72889c5278984ba0b50dff4e093057d4d64f8"
+
+MOD_PV = "490"
+S = "${WORKDIR}/trunk"
+SRC_URI = "svn://svn.code.sf.net/p/unfs3/code;module=trunk;rev=${MOD_PV} \
+ file://unfs3_parallel_build.patch \
+ file://alternate_rpc_ports.patch \
+ file://fix_pid_race_parent_writes_child_pid.patch \
+ file://fix_compile_warning.patch \
+ file://rename_fh_cache.patch \
+ file://relative_max_socket_path_len.patch \
+ file://fix_warnings.patch \
+ file://tcp_no_delay.patch \
+ "
+BBCLASSEXTEND = "native nativesdk"
+
+inherit autotools
+
+# Turn off these header detects else the inode search
+# will walk entire file systems and this is a real problem
+# if you have 2 TB of files to walk in your file system
+CACHED_CONFIGUREVARS = "ac_cv_header_mntent_h=no ac_cv_header_sys_mnttab_h=no"
+
+# This recipe is intended for -native and -nativesdk builds only,
+# not target installs:
+python __anonymous () {
+ import re
+
+ pn = d.getVar("PN", True)
+ if not pn.endswith('-native') and not pn.startswith('nativesdk-'):
+ raise bb.parse.SkipPackage("unfs3 is intended for native/nativesdk builds only")
+}
--
1.7.9.5
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