Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6
diff --git a/fs/Kconfig b/fs/Kconfig
index 7d6ae36..d5255e6 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -1601,9 +1601,10 @@
PC operating systems. The CIFS protocol is fully supported by
file servers such as Windows 2000 (including Windows 2003, NT 4
and Windows XP) as well by Samba (which provides excellent CIFS
- server support for Linux and many other operating systems). Currently
- you must use the smbfs client filesystem to access older SMB servers
- such as Windows 9x and OS/2.
+ server support for Linux and many other operating systems). Limited
+ support for Windows ME and similar servers is provided as well.
+ You must use the smbfs client filesystem to access older SMB servers
+ such as OS/2 and DOS.
The intent of the cifs module is to provide an advanced
network file system client for mounting to CIFS compliant servers,
@@ -1614,7 +1615,7 @@
cifs if running only a (Samba) server. It is possible to enable both
smbfs and cifs (e.g. if you are using CIFS for accessing Windows 2003
and Samba 3 servers, and smbfs for accessing old servers). If you need
- to mount to Samba or Windows 2003 servers from this machine, say Y.
+ to mount to Samba or Windows from this machine, say Y.
config CIFS_STATS
bool "CIFS statistics"
@@ -1623,8 +1624,22 @@
Enabling this option will cause statistics for each server share
mounted by the cifs client to be displayed in /proc/fs/cifs/Stats
+config CIFS_STATS2
+ bool "CIFS extended statistics"
+ depends on CIFS_STATS
+ help
+ Enabling this option will allow more detailed statistics on SMB
+ request timing to be displayed in /proc/fs/cifs/DebugData and also
+ allow optional logging of slow responses to dmesg (depending on the
+ value of /proc/fs/cifs/cifsFYI, see fs/cifs/README for more details).
+ These additional statistics may have a minor effect on performance
+ and memory utilization.
+
+ Unless you are a developer or are doing network performance analysis
+ or tuning, say N.
+
config CIFS_XATTR
- bool "CIFS extended attributes (EXPERIMENTAL)"
+ bool "CIFS extended attributes"
depends on CIFS
help
Extended attributes are name:value pairs associated with inodes by
@@ -1636,11 +1651,11 @@
prefaced by the user namespace prefix. The system namespace
(used by some filesystems to store ACLs) is not supported at
this time.
-
+
If unsure, say N.
config CIFS_POSIX
- bool "CIFS POSIX Extensions (EXPERIMENTAL)"
+ bool "CIFS POSIX Extensions"
depends on CIFS_XATTR
help
Enabling this option will cause the cifs client to attempt to
@@ -1653,10 +1668,28 @@
config CIFS_EXPERIMENTAL
bool "CIFS Experimental Features (EXPERIMENTAL)"
- depends on CIFS
+ depends on CIFS && EXPERIMENTAL
help
- Enables cifs features under testing. These features
- are highly experimental. If unsure, say N.
+ Enables cifs features under testing. These features are
+ experimental and currently include support for writepages
+ (multipage writebehind performance improvements) and directory
+ change notification ie fcntl(F_DNOTIFY) as well as some security
+ improvements. Some also depend on setting at runtime the
+ pseudo-file /proc/fs/cifs/Experimental (which is disabled by
+ default). See the file fs/cifs/README for more details.
+
+ If unsure, say N.
+
+config CIFS_UPCALL
+ bool "CIFS Kerberos/SPNEGO advanced session setup (EXPERIMENTAL)"
+ depends on CIFS_EXPERIMENTAL
+ select CONNECTOR
+ help
+ Enables an upcall mechanism for CIFS which will be used to contact
+ userspace helper utilities to provide SPNEGO packaged Kerberos
+ tickets which are needed to mount to certain secure servers
+ (for which more secure Kerberos authentication is required). If
+ unsure, say N.
config NCP_FS
tristate "NCP file system support (to mount NetWare volumes)"
diff --git a/fs/cifs/CHANGES b/fs/cifs/CHANGES
index 5bab24f..eab3750 100644
--- a/fs/cifs/CHANGES
+++ b/fs/cifs/CHANGES
@@ -2,7 +2,7 @@
------------
Defer close of a file handle slightly if pending writes depend on that file handle
(this reduces the EBADF bad file handle errors that can be logged under heavy
-stress on writes).
+stress on writes). Modify cifs Kconfig options to expose CONFIG_CIFS_STATS2
Version 1.38
------------
diff --git a/fs/cifs/cifs_unicode.c b/fs/cifs/cifs_unicode.c
index 99a096d..4e12053 100644
--- a/fs/cifs/cifs_unicode.c
+++ b/fs/cifs/cifs_unicode.c
@@ -74,10 +74,11 @@
cERROR(1,
("cifs_strtoUCS: char2uni returned %d",
charlen));
- to[i] = cpu_to_le16(0x003f); /* a question mark */
+ /* A question mark */
+ to[i] = (wchar_t)cpu_to_le16(0x003f);
charlen = 1;
} else
- to[i] = cpu_to_le16(to[i]);
+ to[i] = (wchar_t)cpu_to_le16(to[i]);
}
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 877095a..682b023 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -405,6 +405,7 @@
};
#endif
+#ifdef CONFIG_CIFS_EXPERIMENTAL
static void cifs_umount_begin(struct super_block * sblock)
{
struct cifs_sb_info *cifs_sb;
@@ -422,16 +423,18 @@
tcon->tidStatus = CifsExiting;
up(&tcon->tconSem);
+ /* cancel_brl_requests(tcon); */
+ /* cancel_notify_requests(tcon); */
if(tcon->ses && tcon->ses->server)
{
- cERROR(1,("wake up tasks now - umount begin not complete"));
+ cFYI(1,("wake up tasks now - umount begin not complete"));
wake_up_all(&tcon->ses->server->request_q);
}
/* BB FIXME - finish add checks for tidStatus BB */
return;
}
-
+#endif
static int cifs_remount(struct super_block *sb, int *flags, char *data)
{
@@ -450,7 +453,9 @@
unless later we add lazy close of inodes or unless the kernel forgets to call
us with the same number of releases (closes) as opens */
.show_options = cifs_show_options,
-/* .umount_begin = cifs_umount_begin, */ /* BB finish in the future */
+#ifdef CONFIG_CIFS_EXPERIMENTAL
+ .umount_begin = cifs_umount_begin,
+#endif
.remount_fs = cifs_remount,
};
diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h
index d301149b1..1b73f4f 100644
--- a/fs/cifs/cifsproto.h
+++ b/fs/cifs/cifsproto.h
@@ -242,11 +242,11 @@
const int netfid, const unsigned int count,
const __u64 offset, unsigned int *nbytes,
struct kvec *iov, const int nvec, const int long_op);
+#endif /* CONFIG_CIFS_EXPERIMENTAL */
extern int CIFSGetSrvInodeNumber(const int xid, struct cifsTconInfo *tcon,
const unsigned char *searchName, __u64 * inode_number,
const struct nls_table *nls_codepage,
int remap_special_chars);
-#endif /* CONFIG_CIFS_EXPERIMENTAL */
extern int cifs_convertUCSpath(char *target, const __le16 *source, int maxlen,
const struct nls_table * codepage);
extern int cifsConvertToUCS(__le16 * target, const char *source, int maxlen,
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index 9312bfc..a53c596 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -2959,7 +2959,6 @@
return rc;
}
-#ifdef CONFIG_CIFS_EXPERIMENTAL
int
CIFSGetSrvInodeNumber(const int xid, struct cifsTconInfo *tcon,
const unsigned char *searchName,
@@ -3053,7 +3052,6 @@
goto GetInodeNumberRetry;
return rc;
}
-#endif /* CIFS_EXPERIMENTAL */
int
CIFSGetDFSRefer(const int xid, struct cifsSesInfo *ses,
diff --git a/fs/cifs/cn_cifs.h b/fs/cifs/cn_cifs.h
new file mode 100644
index 0000000..ea59cca
--- /dev/null
+++ b/fs/cifs/cn_cifs.h
@@ -0,0 +1,37 @@
+/*
+ * fs/cifs/cn_cifs.h
+ *
+ * Copyright (c) International Business Machines Corp., 2002
+ * Author(s): Steve French (sfrench@us.ibm.com)
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published
+ * by the Free Software Foundation; either version 2.1 of the License, or
+ * (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
+ * the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _CN_CIFS_H
+#define _CN_CIFS_H
+#ifdef CONFIG_CIFS_UPCALL
+#include <linux/types.h>
+#include <linux/connector.h>
+
+struct cifs_upcall {
+ char signature[4]; /* CIFS */
+ enum command {
+ CIFS_GET_IP = 0x00000001, /* get ip address for hostname */
+ CIFS_GET_SECBLOB = 0x00000002, /* get SPNEGO wrapped blob */
+ } command;
+ /* union cifs upcall data follows */
+};
+#endif /* CIFS_UPCALL */
+#endif /* _CN_CIFS_H */
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 450ab75..2cb6207 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -42,6 +42,7 @@
#include "ntlmssp.h"
#include "nterr.h"
#include "rfc1002pdu.h"
+#include "cn_cifs.h"
#define CIFS_PORT 445
#define RFC1001_PORT 139
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 912d4016..923d071 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -283,7 +283,6 @@
there Windows server or network appliances for which
IndexNumber field is not guaranteed unique? */
-#ifdef CONFIG_CIFS_EXPERIMENTAL
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM){
int rc1 = 0;
__u64 inode_num;
@@ -299,7 +298,6 @@
} else /* do we need cast or hash to ino? */
(*pinode)->i_ino = inode_num;
} /* else ino incremented to unique num in new_inode*/
-#endif /* CIFS_EXPERIMENTAL */
insert_inode_hash(*pinode);
}
inode = *pinode;
diff --git a/include/linux/connector.h b/include/linux/connector.h
index c5769c6..ad1a22c 100644
--- a/include/linux/connector.h
+++ b/include/linux/connector.h
@@ -32,6 +32,8 @@
*/
#define CN_IDX_PROC 0x1
#define CN_VAL_PROC 0x1
+#define CN_IDX_CIFS 0x2
+#define CN_VAL_CIFS 0x1
#define CN_NETLINK_USERS 1