Merge branch 'master' of /home/davem/src/GIT/linux-2.6/

18 files changed, 76 insertions, 4 deletions

diff --git a/fs/cifs/cifs_dfs_ref.c b/fs/cifs/cifs_dfs_ref.c
index b1d61d0..78e4d2a 100644
--- a/fs/cifs/cifs_dfs_ref.c
+++ b/fs/cifs/cifs_dfs_ref.c
@@ -15,6 +15,7 @@
 #include <linux/dcache.h>
 #include <linux/mount.h>
 #include <linux/namei.h>
+#include <linux/slab.h>
 #include <linux/vfs.h>
 #include <linux/fs.h>
 #include "cifsglob.h"
diff --git a/fs/cifs/cifs_spnego.c b/fs/cifs/cifs_spnego.c
index 8ec7736..310d12f 100644
--- a/fs/cifs/cifs_spnego.c
+++ b/fs/cifs/cifs_spnego.c
@@ -20,6 +20,7 @@
  */
 
 #include <linux/list.h>
+#include <linux/slab.h>
 #include <linux/string.h>
 #include <keys/user-type.h>
 #include <linux/key-type.h>
diff --git a/fs/cifs/cifs_unicode.c b/fs/cifs/cifs_unicode.c
index 714a542..d07676b 100644
--- a/fs/cifs/cifs_unicode.c
+++ b/fs/cifs/cifs_unicode.c
@@ -19,6 +19,7 @@
  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  */
 #include <linux/fs.h>
+#include <linux/slab.h>
 #include "cifs_unicode.h"
 #include "cifs_uniupr.h"
 #include "cifspdu.h"
diff --git a/fs/cifs/cifsacl.c b/fs/cifs/cifsacl.c
index 7dfe084..9b716d0 100644
--- a/fs/cifs/cifsacl.c
+++ b/fs/cifs/cifsacl.c
@@ -22,6 +22,7 @@
  */
 
 #include <linux/fs.h>
+#include <linux/slab.h>
 #include "cifspdu.h"
 #include "cifsglob.h"
 #include "cifsacl.h"
diff --git a/fs/cifs/cifsencrypt.c b/fs/cifs/cifsencrypt.c
index 7efe174..fbe9864 100644
--- a/fs/cifs/cifsencrypt.c
+++ b/fs/cifs/cifsencrypt.c
@@ -20,6 +20,7 @@
  */
 
 #include <linux/fs.h>
+#include <linux/slab.h>
 #include "cifspdu.h"
 #include "cifsglob.h"
 #include "cifs_debug.h"
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 5183bc2..ded66be 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -808,6 +808,7 @@ const struct file_operations cifs_file_direct_nobrl_ops = {
 	.release = cifs_close,
 	.fsync = cifs_fsync,
 	.flush = cifs_flush,
+	.mmap = cifs_file_mmap,
 	.splice_read = generic_file_splice_read,
 #ifdef CONFIG_CIFS_POSIX
 	.unlocked_ioctl  = cifs_ioctl,
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 63c89d1..ecf0ffb 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -18,6 +18,7 @@
  */
 #include <linux/in.h>
 #include <linux/in6.h>
+#include <linux/slab.h>
 #include <linux/slow-work.h>
 #include "cifs_fs_sb.h"
 #include "cifsacl.h"
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index 7cc7f83..5d3f29f 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -30,6 +30,7 @@
 #include <linux/fs.h>
 #include <linux/kernel.h>
 #include <linux/vfs.h>
+#include <linux/slab.h>
 #include <linux/posix_acl_xattr.h>
 #include <asm/uaccess.h>
 #include "cifspdu.h"
@@ -1430,6 +1431,8 @@ CIFSSMBWrite(const int xid, struct cifsTconInfo *tcon,
 	__u32 bytes_sent;
 	__u16 byte_count;
 
+	*nbytes = 0;
+
 	/* cFYI(1, ("write at %lld %d bytes", offset, count));*/
 	if (tcon->ses == NULL)
 		return -ECONNABORTED;
@@ -1512,11 +1515,18 @@ CIFSSMBWrite(const int xid, struct cifsTconInfo *tcon,
 	cifs_stats_inc(&tcon->num_writes);
 	if (rc) {
 		cFYI(1, ("Send error in write = %d", rc));
-		*nbytes = 0;
 	} else {
 		*nbytes = le16_to_cpu(pSMBr->CountHigh);
 		*nbytes = (*nbytes) << 16;
 		*nbytes += le16_to_cpu(pSMBr->Count);
+
+		/*
+		 * Mask off high 16 bits when bytes written as returned by the
+		 * server is greater than bytes requested by the client. Some
+		 * OS/2 servers are known to set incorrect CountHigh values.
+		 */
+		if (*nbytes > count)
+			*nbytes &= 0xFFFF;
 	}
 
 	cifs_buf_release(pSMB);
@@ -1605,6 +1615,14 @@ CIFSSMBWrite2(const int xid, struct cifsTconInfo *tcon,
 		*nbytes = le16_to_cpu(pSMBr->CountHigh);
 		*nbytes = (*nbytes) << 16;
 		*nbytes += le16_to_cpu(pSMBr->Count);
+
+		/*
+		 * Mask off high 16 bits when bytes written as returned by the
+		 * server is greater than bytes requested by the client. OS/2
+		 * servers are known to set incorrect CountHigh values.
+		 */
+		if (*nbytes > count)
+			*nbytes &= 0xFFFF;
 	}
 
 /*	cifs_small_buf_release(pSMB); */ /* Freed earlier now in SendReceive2 */
@@ -1793,8 +1811,21 @@ CIFSSMBPosixLock(const int xid, struct cifsTconInfo *tcon,
 		}
 		parm_data = (struct cifs_posix_lock *)
 			((char *)&pSMBr->hdr.Protocol + data_offset);
-		if (parm_data->lock_type == cpu_to_le16(CIFS_UNLCK))
+		if (parm_data->lock_type == __constant_cpu_to_le16(CIFS_UNLCK))
 			pLockData->fl_type = F_UNLCK;
+		else {
+			if (parm_data->lock_type ==
+					__constant_cpu_to_le16(CIFS_RDLCK))
+				pLockData->fl_type = F_RDLCK;
+			else if (parm_data->lock_type ==
+					__constant_cpu_to_le16(CIFS_WRLCK))
+				pLockData->fl_type = F_WRLCK;
+
+			pLockData->fl_start = parm_data->start;
+			pLockData->fl_end = parm_data->start +
+						parm_data->length - 1;
+			pLockData->fl_pid = parm_data->pid;
+		}
 	}
 
 plk_err_exit:
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 45eb6cb..d9566bf 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -23,6 +23,7 @@
 #include <linux/string.h>
 #include <linux/list.h>
 #include <linux/wait.h>
+#include <linux/slab.h>
 #include <linux/pagemap.h>
 #include <linux/ctype.h>
 #include <linux/utsname.h>
diff --git a/fs/cifs/dns_resolve.c b/fs/cifs/dns_resolve.c
index 8794814..6f8a0e3 100644
--- a/fs/cifs/dns_resolve.c
+++ b/fs/cifs/dns_resolve.c
@@ -23,6 +23,7 @@
  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  */
 
+#include <linux/slab.h>
 #include <keys/user-type.h>
 #include "dns_resolve.h"
 #include "cifsglob.h"
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index ca2ba7a..9b11a8f 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -31,6 +31,7 @@
 #include <linux/task_io_accounting_ops.h>
 #include <linux/delay.h>
 #include <linux/mount.h>
+#include <linux/slab.h>
 #include <asm/div64.h>
 #include "cifsfs.h"
 #include "cifspdu.h"
@@ -838,8 +839,32 @@ int cifs_lock(struct file *file, int cmd, struct file_lock *pfLock)
 
 		} else {
 			/* if rc == ERR_SHARING_VIOLATION ? */
-			rc = 0;	/* do not change lock type to unlock
-				   since range in use */
+			rc = 0;
+
+			if (lockType & LOCKING_ANDX_SHARED_LOCK) {
+				pfLock->fl_type = F_WRLCK;
+			} else {
+				rc = CIFSSMBLock(xid, tcon, netfid, length,
+					pfLock->fl_start, 0, 1,
+					lockType | LOCKING_ANDX_SHARED_LOCK,
+					0 /* wait flag */);
+				if (rc == 0) {
+					rc = CIFSSMBLock(xid, tcon, netfid,
+						length, pfLock->fl_start, 1, 0,
+						lockType |
+						LOCKING_ANDX_SHARED_LOCK,
+						0 /* wait flag */);
+					pfLock->fl_type = F_RDLCK;
+					if (rc != 0)
+						cERROR(1, ("Error unlocking "
+						"previously locked range %d "
+						"during test of lock", rc));
+					rc = 0;
+				} else {
+					pfLock->fl_type = F_WRLCK;
+					rc = 0;
+				}
+			}
 		}
 
 		FreeXid(xid);
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 723daac..35ec117 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -20,6 +20,7 @@
  */
 #include <linux/fs.h>
 #include <linux/stat.h>
+#include <linux/slab.h>
 #include <linux/pagemap.h>
 #include <asm/div64.h>
 #include "cifsfs.h"
diff --git a/fs/cifs/link.c b/fs/cifs/link.c
index fc1e048..c1a9d42 100644
--- a/fs/cifs/link.c
+++ b/fs/cifs/link.c
@@ -20,6 +20,7 @@
  */
 #include <linux/fs.h>
 #include <linux/stat.h>
+#include <linux/slab.h>
 #include <linux/namei.h>
 #include "cifsfs.h"
 #include "cifspdu.h"
diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c
index c343b14..18e0bc1 100644
--- a/fs/cifs/readdir.c
+++ b/fs/cifs/readdir.c
@@ -22,6 +22,7 @@
  */
 #include <linux/fs.h>
 #include <linux/pagemap.h>
+#include <linux/slab.h>
 #include <linux/stat.h>
 #include "cifspdu.h"
 #include "cifsglob.h"
diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c
index aaa9c1c..7c3fd74 100644
--- a/fs/cifs/sess.c
+++ b/fs/cifs/sess.c
@@ -29,6 +29,7 @@
 #include "ntlmssp.h"
 #include "nterr.h"
 #include <linux/utsname.h>
+#include <linux/slab.h>
 #include "cifs_spnego.h"
 
 extern void SMBNTencrypt(unsigned char *passwd, unsigned char *c8,
diff --git a/fs/cifs/smbencrypt.c b/fs/cifs/smbencrypt.c
index 93fb09a..192ea51 100644
--- a/fs/cifs/smbencrypt.c
+++ b/fs/cifs/smbencrypt.c
@@ -24,6 +24,7 @@
 */
 
 #include <linux/module.h>
+#include <linux/slab.h>
 #include <linux/fs.h>
 #include <linux/string.h>
 #include <linux/kernel.h>
diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c
index 07b8e71..ad081fe 100644
--- a/fs/cifs/transport.c
+++ b/fs/cifs/transport.c
@@ -22,6 +22,7 @@
 
 #include <linux/fs.h>
 #include <linux/list.h>
+#include <linux/gfp.h>
 #include <linux/wait.h>
 #include <linux/net.h>
 #include <linux/delay.h>
diff --git a/fs/cifs/xattr.c b/fs/cifs/xattr.c
index 3e2ef0d..f555ce0 100644
--- a/fs/cifs/xattr.c
+++ b/fs/cifs/xattr.c
@@ -21,6 +21,7 @@
 
 #include <linux/fs.h>
 #include <linux/posix_acl_xattr.h>
+#include <linux/slab.h>
 #include "cifsfs.h"
 #include "cifspdu.h"
 #include "cifsglob.h"