fedora core 6 1.2949 + vserver 2.2.0
[linux-2.6.git] / fs / cifs / cifs_debug.c
index 68e984a..6017c46 100644 (file)
@@ -1,7 +1,7 @@
 /*
  *   fs/cifs_debug.c
  *
- *   Copyright (C) International Business Machines  Corp., 2000,2003
+ *   Copyright (C) International Business Machines  Corp., 2000,2005
  *
  *   Modified by Steve French (sfrench@us.ibm.com)
  *
@@ -29,6 +29,7 @@
 #include "cifsglob.h"
 #include "cifsproto.h"
 #include "cifs_debug.h"
+#include "cifsfs.h"
 
 void
 cifs_dump_mem(char *label, void *data, int length)
@@ -38,7 +39,7 @@ cifs_dump_mem(char *label, void *data, int length)
        char *charptr = data;
        char buf[10], line[80];
 
-       printk(KERN_DEBUG "%s: dump of %d bytes of data at 0x%p\n\n", 
+       printk(KERN_DEBUG "%s: dump of %d bytes of data at 0x%p\n", 
                label, length, data);
        for (i = 0; i < length; i += 16) {
                line[0] = 0;
@@ -56,25 +57,83 @@ cifs_dump_mem(char *label, void *data, int length)
        }
 }
 
+#ifdef CONFIG_CIFS_DEBUG2
+void cifs_dump_detail(struct smb_hdr * smb)
+{
+       cERROR(1,("Cmd: %d Err: 0x%x Flags: 0x%x Flgs2: 0x%x Mid: %d Pid: %d",
+                 smb->Command, smb->Status.CifsError,
+                 smb->Flags, smb->Flags2, smb->Mid, smb->Pid));
+       cERROR(1,("smb buf %p len %d", smb, smbCalcSize_LE(smb)));
+}
+
+
+void cifs_dump_mids(struct TCP_Server_Info * server)
+{
+       struct list_head *tmp;
+       struct mid_q_entry * mid_entry;
+
+       if(server == NULL)
+               return;
+
+       cERROR(1,("Dump pending requests:"));
+       spin_lock(&GlobalMid_Lock);
+       list_for_each(tmp, &server->pending_mid_q) {
+               mid_entry = list_entry(tmp, struct mid_q_entry, qhead);
+               if(mid_entry) {
+                       cERROR(1,("State: %d Cmd: %d Pid: %d Tsk: %p Mid %d",
+                               mid_entry->midState,
+                               (int)mid_entry->command,
+                               mid_entry->pid,
+                               mid_entry->tsk,
+                               mid_entry->mid));
+#ifdef CONFIG_CIFS_STATS2
+                       cERROR(1,("IsLarge: %d buf: %p time rcv: %ld now: %ld",
+                               mid_entry->largeBuf,
+                               mid_entry->resp_buf,
+                               mid_entry->when_received,
+                               jiffies));
+#endif /* STATS2 */
+                       cERROR(1,("IsMult: %d IsEnd: %d", mid_entry->multiRsp,
+                                 mid_entry->multiEnd));
+                       if(mid_entry->resp_buf) {
+                               cifs_dump_detail(mid_entry->resp_buf);
+                               cifs_dump_mem("existing buf: ",
+                                       mid_entry->resp_buf,
+                                       62 /* fixme */);
+                       }
+                       
+               }
+       }
+       spin_unlock(&GlobalMid_Lock);
+}
+#endif /* CONFIG_CIFS_DEBUG2 */
+
 #ifdef CONFIG_PROC_FS
-int
+static int
 cifs_debug_data_read(char *buf, char **beginBuffer, off_t offset,
                     int count, int *eof, void *data)
 {
        struct list_head *tmp;
+       struct list_head *tmp1;
+       struct mid_q_entry * mid_entry;
        struct cifsSesInfo *ses;
        struct cifsTconInfo *tcon;
        int i;
        int length = 0;
-       char *buf_start = buf;
+       char * original_buf = buf;
+
+       *beginBuffer = buf + offset;
 
        length =
            sprintf(buf,
                    "Display Internal CIFS Data Structures for Debugging\n"
                    "---------------------------------------------------\n");
        buf += length;
-
-       length = sprintf(buf, "Servers: \n");
+       length = sprintf(buf,"CIFS Version %s\n",CIFS_VERSION);
+       buf += length;
+       length = sprintf(buf,"Active VFS Requests: %d\n", GlobalTotalActiveXid);
+       buf += length;
+       length = sprintf(buf, "Servers:");
        buf += length;
 
        i = 0;
@@ -82,17 +141,35 @@ cifs_debug_data_read(char *buf, char **beginBuffer, off_t offset,
        list_for_each(tmp, &GlobalSMBSessionList) {
                i++;
                ses = list_entry(tmp, struct cifsSesInfo, cifsSessionList);
-               length =
-                   sprintf(buf,
-                           "\n%d) Name: %s  Domain: %s Mounts: %d ServerOS: %s  \n\tServerNOS: %s\tCapabilities: 0x%x\n\tSMB session status: %d\tTCP session status: %d",
-                               i, ses->serverName, ses->serverDomain, atomic_read(&ses->inUse),
-                               ses->serverOS, ses->serverNOS, ses->capabilities,ses->status,ses->server->tcpStatus);
-               buf += length;
-               if(ses->server) {
-                       buf += sprintf(buf, "\n\tLocal Users To Same Server: %d SecMode: 0x%x",
-                               atomic_read(&ses->server->socketUseCount),ses->server->secMode);
+               if((ses->serverDomain == NULL) || (ses->serverOS == NULL) ||
+                  (ses->serverNOS == NULL)) {
+                       buf += sprintf(buf, "\nentry for %s not fully "
+                                       "displayed\n\t", ses->serverName);
                        
-                       /* length = sprintf(buf, "\nMIDs: \n");
+               } else {
+                       length =
+                           sprintf(buf,
+                                   "\n%d) Name: %s  Domain: %s Mounts: %d OS: %s  \n\tNOS: %s\tCapability: 0x%x\n\tSMB session status: %d\t",
+                               i, ses->serverName, ses->serverDomain,
+                               atomic_read(&ses->inUse),
+                               ses->serverOS, ses->serverNOS,
+                               ses->capabilities,ses->status);
+                       buf += length;
+               }
+               if(ses->server) {
+                       buf += sprintf(buf, "TCP status: %d\n\tLocal Users To Server: %d SecMode: 0x%x Req On Wire: %d",
+                               ses->server->tcpStatus,
+                               atomic_read(&ses->server->socketUseCount),
+                               ses->server->secMode,
+                               atomic_read(&ses->server->inFlight));
+
+#ifdef CONFIG_CIFS_STATS2
+                       buf += sprintf(buf, " In Send: %d In MaxReq Wait: %d",
+                               atomic_read(&ses->server->inSend), 
+                               atomic_read(&ses->server->num_waiters));
+#endif
+
+                       length = sprintf(buf, "\nMIDs:\n");
                        buf += length;
 
                        spin_lock(&GlobalMid_Lock);
@@ -101,11 +178,16 @@ cifs_debug_data_read(char *buf, char **beginBuffer, off_t offset,
                                        mid_q_entry,
                                        qhead);
                                if(mid_entry) {
-                                       length = sprintf(buf,"State: %d com: %d pid: %d tsk: %p\n",mid_entry->midState,mid_entry->command,mid_entry->pid,mid_entry->tsk);
+                                       length = sprintf(buf,"State: %d com: %d pid: %d tsk: %p mid %d\n",
+                                               mid_entry->midState,
+                                               (int)mid_entry->command,
+                                               mid_entry->pid,
+                                               mid_entry->tsk,
+                                               mid_entry->mid);
                                        buf += length;
                                }
                        }
-                       spin_unlock(&GlobalMid_Lock); */
+                       spin_unlock(&GlobalMid_Lock); 
                }
 
        }
@@ -113,97 +195,245 @@ cifs_debug_data_read(char *buf, char **beginBuffer, off_t offset,
        sprintf(buf, "\n");
        buf++;
 
-       length = sprintf(buf, "\nShares: \n");
+       length = sprintf(buf, "Shares:");
        buf += length;
 
        i = 0;
        read_lock(&GlobalSMBSeslock);
        list_for_each(tmp, &GlobalTreeConnectionList) {
+               __u32 dev_type;
                i++;
                tcon = list_entry(tmp, struct cifsTconInfo, cifsConnectionList);
+               dev_type = le32_to_cpu(tcon->fsDevInfo.DeviceType);
                length =
                    sprintf(buf,
-                           "\n%d) %s Uses: %d on FS: %s with characteristics: 0x%x Attributes: 0x%x\n\tPathComponentMax: %d Status: %d",
+                           "\n%d) %s Uses: %d Type: %s DevInfo: 0x%x Attributes: 0x%x\nPathComponentMax: %d Status: %d",
                            i, tcon->treeName,
                            atomic_read(&tcon->useCount),
                            tcon->nativeFileSystem,
-                           tcon->fsDevInfo.DeviceCharacteristics,
-                           tcon->fsAttrInfo.Attributes,
-                           tcon->fsAttrInfo.MaxPathNameComponentLength,tcon->tidStatus);
+                           le32_to_cpu(tcon->fsDevInfo.DeviceCharacteristics),
+                           le32_to_cpu(tcon->fsAttrInfo.Attributes),
+                           le32_to_cpu(tcon->fsAttrInfo.MaxPathNameComponentLength),
+                           tcon->tidStatus);
                buf += length;        
-               if (tcon->fsDevInfo.DeviceType == FILE_DEVICE_DISK)
+               if (dev_type == FILE_DEVICE_DISK)
                        length = sprintf(buf, " type: DISK ");
-               else if (tcon->fsDevInfo.DeviceType == FILE_DEVICE_CD_ROM)
+               else if (dev_type == FILE_DEVICE_CD_ROM)
                        length = sprintf(buf, " type: CDROM ");
                else
                        length =
-                           sprintf(buf, " type: %d ",
-                                   tcon->fsDevInfo.DeviceType);
+                           sprintf(buf, " type: %d ", dev_type);
                buf += length;
-               if(tcon->tidStatus == CifsNeedReconnect)
+               if(tcon->tidStatus == CifsNeedReconnect) {
                        buf += sprintf(buf, "\tDISCONNECTED ");
+                       length += 14;
+               }
        }
        read_unlock(&GlobalSMBSeslock);
 
        length = sprintf(buf, "\n");
        buf += length;
 
-       *eof = 1;
        /* BB add code to dump additional info such as TCP session info now */
-       /*
-          if (offset >= (buf - buf_start)) 
-          {
-          *beginBuffer = buf;
-          return 0;
-          }
-          *beginBuffer = buf + offset;
-          if ((buf - buf_start - offset) > count)
-          return count;
-   else */
-       return (buf - buf_start - offset);
+       /* Now calculate total size of returned data */
+       length = buf - original_buf;
+
+       if(offset + count >= length)
+               *eof = 1;
+       if(length < offset) {
+               *eof = 1;
+               return 0;
+       } else {
+               length = length - offset;
+       }
+       if (length > count)
+               length = count;
+
+       return length;
 }
 
-int
-cifs_total_xid_read(char *buf, char **beginBuffer, off_t offset,
-                   int length, int *eof, void *data)
+#ifdef CONFIG_CIFS_STATS
+
+static int
+cifs_stats_write(struct file *file, const char __user *buffer,
+               unsigned long count, void *data)
 {
+        char c;
+        int rc;
+       struct list_head *tmp;
+       struct cifsTconInfo *tcon;
 
-       length =
-           sprintf(buf,
-                   "Total vfs operations: %d and maximum simultaneous serviced by this filesystem: %d\n",
-                   GlobalCurrentXid,GlobalMaxActiveXid);
+        rc = get_user(c, buffer);
+        if (rc)
+                return rc;
 
-       return length;
+        if (c == '1' || c == 'y' || c == 'Y' || c == '0') {
+               read_lock(&GlobalSMBSeslock);
+#ifdef CONFIG_CIFS_STATS2
+               atomic_set(&totBufAllocCount, 0);
+               atomic_set(&totSmBufAllocCount, 0);
+#endif /* CONFIG_CIFS_STATS2 */
+               list_for_each(tmp, &GlobalTreeConnectionList) {
+                       tcon = list_entry(tmp, struct cifsTconInfo,
+                                       cifsConnectionList);
+                       atomic_set(&tcon->num_smbs_sent, 0);
+                       atomic_set(&tcon->num_writes, 0);
+                       atomic_set(&tcon->num_reads, 0);
+                       atomic_set(&tcon->num_oplock_brks, 0);
+                       atomic_set(&tcon->num_opens, 0);
+                       atomic_set(&tcon->num_closes, 0);
+                       atomic_set(&tcon->num_deletes, 0);
+                       atomic_set(&tcon->num_mkdirs, 0);
+                       atomic_set(&tcon->num_rmdirs, 0);
+                       atomic_set(&tcon->num_renames, 0);
+                       atomic_set(&tcon->num_t2renames, 0);
+                       atomic_set(&tcon->num_ffirst, 0);
+                       atomic_set(&tcon->num_fnext, 0);
+                       atomic_set(&tcon->num_fclose, 0);
+                       atomic_set(&tcon->num_hardlinks, 0);
+                       atomic_set(&tcon->num_symlinks, 0);
+                       atomic_set(&tcon->num_locks, 0);
+               }
+               read_unlock(&GlobalSMBSeslock);
+       }
+
+        return count;
 }
 
-int
+static int
 cifs_stats_read(char *buf, char **beginBuffer, off_t offset,
-                 int length, int *eof, void *data)
+                 int count, int *eof, void *data)
 {
-       int item_length;
-       length =
-           sprintf(buf,
-                   "Currently Allocated structures\nCIFS Sessions: %d\n",sesInfoAllocCount.counter);
+       int item_length,i,length;
+       struct list_head *tmp;
+       struct cifsTconInfo *tcon;
+
+       *beginBuffer = buf + offset;
+
+       length = sprintf(buf,
+                       "Resources in use\nCIFS Session: %d\n",
+                       sesInfoAllocCount.counter);
        buf += length;
        item_length = 
-               sprintf(buf,"Shares (unique mount targets): %d\n",tconInfoAllocCount.counter);
+               sprintf(buf,"Share (unique mount targets): %d\n",
+                       tconInfoAllocCount.counter);
        length += item_length;
        buf += item_length;      
        item_length = 
-                       sprintf(buf,"Allocated SMB Request and Response Buffers: %d\n",bufAllocCount.counter);
+               sprintf(buf,"SMB Request/Response Buffer: %d Pool size: %d\n",
+                       bufAllocCount.counter,
+                       cifs_min_rcv + tcpSesAllocCount.counter);
        length += item_length;
-       buf += item_length;      
+       buf += item_length;
        item_length = 
-               sprintf(buf,"Active Operations (MIDs in use): %d\n",midCount.counter);
+               sprintf(buf,"SMB Small Req/Resp Buffer: %d Pool size: %d\n",
+                       smBufAllocCount.counter,cifs_min_small);
        length += item_length;
        buf += item_length;
-       item_length = sprintf(buf,"%d sessions and %d shares reconnected after failure\n",tcpSesReconnectCount.counter,tconInfoReconnectCount.counter);
+#ifdef CONFIG_CIFS_STATS2
+        item_length = sprintf(buf, "Total Large %d Small %d Allocations\n",
+                               atomic_read(&totBufAllocCount),
+                               atomic_read(&totSmBufAllocCount));
        length += item_length;
+       buf += item_length;
+#endif /* CONFIG_CIFS_STATS2 */
 
+       item_length = 
+               sprintf(buf,"Operations (MIDs): %d\n",
+                       midCount.counter);
+       length += item_length;
+       buf += item_length;
+       item_length = sprintf(buf,
+               "\n%d session %d share reconnects\n",
+               tcpSesReconnectCount.counter,tconInfoReconnectCount.counter);
+       length += item_length;
+       buf += item_length;
+
+       item_length = sprintf(buf,
+               "Total vfs operations: %d maximum at one time: %d\n",
+               GlobalCurrentXid,GlobalMaxActiveXid);
+       length += item_length;
+       buf += item_length;
+
+       i = 0;
+       read_lock(&GlobalSMBSeslock);
+       list_for_each(tmp, &GlobalTreeConnectionList) {
+               i++;
+               tcon = list_entry(tmp, struct cifsTconInfo, cifsConnectionList);
+               item_length = sprintf(buf,"\n%d) %s",i, tcon->treeName);
+               buf += item_length;
+               length += item_length;
+               if(tcon->tidStatus == CifsNeedReconnect) {
+                       buf += sprintf(buf, "\tDISCONNECTED ");
+                       length += 14;
+               }
+               item_length = sprintf(buf, "\nSMBs: %d Oplock Breaks: %d",
+                       atomic_read(&tcon->num_smbs_sent),
+                       atomic_read(&tcon->num_oplock_brks));
+               buf += item_length;
+               length += item_length;
+               item_length = sprintf(buf, "\nReads:  %d Bytes: %lld",
+                       atomic_read(&tcon->num_reads),
+                       (long long)(tcon->bytes_read));
+               buf += item_length;
+               length += item_length;
+               item_length = sprintf(buf, "\nWrites: %d Bytes: %lld",
+                       atomic_read(&tcon->num_writes),
+                       (long long)(tcon->bytes_written));
+                buf += item_length;
+                length += item_length;
+                item_length = sprintf(buf, 
+                       "\nLocks: %d HardLinks: %d Symlinks: %d",
+                        atomic_read(&tcon->num_locks),
+                       atomic_read(&tcon->num_hardlinks),
+                       atomic_read(&tcon->num_symlinks));
+                buf += item_length;
+                length += item_length;
+
+               item_length = sprintf(buf, "\nOpens: %d Closes: %d Deletes: %d",
+                       atomic_read(&tcon->num_opens),
+                       atomic_read(&tcon->num_closes),
+                       atomic_read(&tcon->num_deletes));
+               buf += item_length;
+               length += item_length;
+               item_length = sprintf(buf, "\nMkdirs: %d Rmdirs: %d",
+                       atomic_read(&tcon->num_mkdirs),
+                       atomic_read(&tcon->num_rmdirs));
+               buf += item_length;
+               length += item_length;
+               item_length = sprintf(buf, "\nRenames: %d T2 Renames %d",
+                       atomic_read(&tcon->num_renames),
+                       atomic_read(&tcon->num_t2renames));
+               buf += item_length;
+               length += item_length;
+               item_length = sprintf(buf, "\nFindFirst: %d FNext %d FClose %d",
+                       atomic_read(&tcon->num_ffirst),
+                       atomic_read(&tcon->num_fnext),
+                       atomic_read(&tcon->num_fclose));
+               buf += item_length;
+               length += item_length;
+       }
+       read_unlock(&GlobalSMBSeslock);
+
+       buf += sprintf(buf,"\n");
+       length++;
+
+       if(offset + count >= length)
+               *eof = 1;
+       if(length < offset) {
+               *eof = 1;
+               return 0;
+       } else {
+               length = length - offset;
+       }
+       if (length > count)
+               length = count;
+               
        return length;
 }
+#endif
 
-struct proc_dir_entry *proc_fs_cifs;
+static struct proc_dir_entry *proc_fs_cifs;
 read_proc_t cifs_txanchor_read;
 static read_proc_t cifsFYI_read;
 static write_proc_t cifsFYI_write;
@@ -215,14 +445,14 @@ static read_proc_t traceSMB_read;
 static write_proc_t traceSMB_write;
 static read_proc_t multiuser_mount_read;
 static write_proc_t multiuser_mount_write;
-static read_proc_t extended_security_read;
-static write_proc_t extended_security_write;
-static read_proc_t ntlmv2_enabled_read;
+static read_proc_t security_flags_read;
+static write_proc_t security_flags_write;
+/* static read_proc_t ntlmv2_enabled_read;
 static write_proc_t ntlmv2_enabled_write;
 static read_proc_t packet_signing_enabled_read;
-static write_proc_t packet_signing_enabled_write;
-static read_proc_t quotaEnabled_read;
-static write_proc_t quotaEnabled_write;
+static write_proc_t packet_signing_enabled_write;*/
+static read_proc_t experimEnabled_read;
+static write_proc_t experimEnabled_write;
 static read_proc_t linuxExtensionsEnabled_read;
 static write_proc_t linuxExtensionsEnabled_write;
 
@@ -237,69 +467,69 @@ cifs_proc_init(void)
 
        proc_fs_cifs->owner = THIS_MODULE;
        create_proc_read_entry("DebugData", 0, proc_fs_cifs,
-                               cifs_debug_data_read, 0);
-
-       create_proc_read_entry("SimultaneousOps", 0, proc_fs_cifs,
-                               cifs_total_xid_read, 0);
-
-       create_proc_read_entry("Stats", 0, proc_fs_cifs,
-                               cifs_stats_read, 0);
+                               cifs_debug_data_read, NULL);
 
+#ifdef CONFIG_CIFS_STATS
+       pde = create_proc_read_entry("Stats", 0, proc_fs_cifs,
+                               cifs_stats_read, NULL);
+       if (pde)
+               pde->write_proc = cifs_stats_write;
+#endif
        pde = create_proc_read_entry("cifsFYI", 0, proc_fs_cifs,
-                               cifsFYI_read, 0);
+                               cifsFYI_read, NULL);
        if (pde)
                pde->write_proc = cifsFYI_write;
 
        pde =
            create_proc_read_entry("traceSMB", 0, proc_fs_cifs,
-                               traceSMB_read, 0);
+                               traceSMB_read, NULL);
        if (pde)
                pde->write_proc = traceSMB_write;
 
        pde = create_proc_read_entry("OplockEnabled", 0, proc_fs_cifs,
-                               oplockEnabled_read, 0);
+                               oplockEnabled_read, NULL);
        if (pde)
                pde->write_proc = oplockEnabled_write;
 
-       pde = create_proc_read_entry("QuotaEnabled", 0, proc_fs_cifs,
-                               quotaEnabled_read, 0);
+       pde = create_proc_read_entry("Experimental", 0, proc_fs_cifs,
+                               experimEnabled_read, NULL);
        if (pde)
-               pde->write_proc = quotaEnabled_write;
+               pde->write_proc = experimEnabled_write;
 
        pde = create_proc_read_entry("LinuxExtensionsEnabled", 0, proc_fs_cifs,
-                               linuxExtensionsEnabled_read, 0);
+                               linuxExtensionsEnabled_read, NULL);
        if (pde)
                pde->write_proc = linuxExtensionsEnabled_write;
 
        pde =
            create_proc_read_entry("MultiuserMount", 0, proc_fs_cifs,
-                               multiuser_mount_read, 0);
+                               multiuser_mount_read, NULL);
        if (pde)
                pde->write_proc = multiuser_mount_write;
 
        pde =
-           create_proc_read_entry("ExtendedSecurity", 0, proc_fs_cifs,
-                               extended_security_read, 0);
+           create_proc_read_entry("SecurityFlags", 0, proc_fs_cifs,
+                               security_flags_read, NULL);
        if (pde)
-               pde->write_proc = extended_security_write;
+               pde->write_proc = security_flags_write;
 
        pde =
        create_proc_read_entry("LookupCacheEnabled", 0, proc_fs_cifs,
-                               lookupFlag_read, 0);
+                               lookupFlag_read, NULL);
        if (pde)
                pde->write_proc = lookupFlag_write;
 
-       pde =
+/*     pde =
            create_proc_read_entry("NTLMV2Enabled", 0, proc_fs_cifs,
-                               ntlmv2_enabled_read, 0);
+                               ntlmv2_enabled_read, NULL);
        if (pde)
                pde->write_proc = ntlmv2_enabled_write;
 
        pde =
            create_proc_read_entry("PacketSigningEnabled", 0, proc_fs_cifs,
-                               packet_signing_enabled_read, 0);
+                               packet_signing_enabled_read, NULL);
        if (pde)
-               pde->write_proc = packet_signing_enabled_write;
+               pde->write_proc = packet_signing_enabled_write;*/
 }
 
 void
@@ -311,15 +541,16 @@ cifs_proc_clean(void)
        remove_proc_entry("DebugData", proc_fs_cifs);
        remove_proc_entry("cifsFYI", proc_fs_cifs);
        remove_proc_entry("traceSMB", proc_fs_cifs);
-       remove_proc_entry("SimultaneousOps", proc_fs_cifs);
+#ifdef CONFIG_CIFS_STATS
        remove_proc_entry("Stats", proc_fs_cifs);
+#endif
        remove_proc_entry("MultiuserMount", proc_fs_cifs);
        remove_proc_entry("OplockEnabled", proc_fs_cifs);
-       remove_proc_entry("NTLMV2Enabled",proc_fs_cifs);
-       remove_proc_entry("ExtendedSecurity",proc_fs_cifs);
-       remove_proc_entry("PacketSigningEnabled",proc_fs_cifs);
+/*     remove_proc_entry("NTLMV2Enabled",proc_fs_cifs); */
+       remove_proc_entry("SecurityFlags",proc_fs_cifs);
+/*     remove_proc_entry("PacketSigningEnabled",proc_fs_cifs); */
        remove_proc_entry("LinuxExtensionsEnabled",proc_fs_cifs);
-       remove_proc_entry("QuotaEnabled",proc_fs_cifs);
+       remove_proc_entry("Experimental",proc_fs_cifs);
        remove_proc_entry("LookupCacheEnabled",proc_fs_cifs);
        remove_proc_entry("cifs", proc_root_fs);
 }
@@ -346,7 +577,7 @@ cifsFYI_read(char *page, char **start, off_t off, int count,
        return len;
 }
 static int
-cifsFYI_write(struct file *file, const char *buffer,
+cifsFYI_write(struct file *file, const char __user *buffer,
              unsigned long count, void *data)
 {
        char c;
@@ -359,6 +590,8 @@ cifsFYI_write(struct file *file, const char *buffer,
                cifsFYI = 0;
        else if (c == '1' || c == 'y' || c == 'Y')
                cifsFYI = 1;
+       else if((c > '1') && (c <= '9'))
+               cifsFYI = (int) (c - '0'); /* see cifs_debug.h for meanings */
 
        return count;
 }
@@ -385,7 +618,7 @@ oplockEnabled_read(char *page, char **start, off_t off,
        return len;
 }
 static int
-oplockEnabled_write(struct file *file, const char *buffer,
+oplockEnabled_write(struct file *file, const char __user *buffer,
                    unsigned long count, void *data)
 {
        char c;
@@ -403,14 +636,13 @@ oplockEnabled_write(struct file *file, const char *buffer,
 }
 
 static int
-quotaEnabled_read(char *page, char **start, off_t off,
+experimEnabled_read(char *page, char **start, off_t off,
                    int count, int *eof, void *data)
 {
         int len;
 
-        len = sprintf(page, "%d\n", quotaEnabled);
-/* could also check if quotas are enabled in kernel
-       as a whole first */
+        len = sprintf(page, "%d\n", experimEnabled);
+
         len -= off;
         *start = page + off;
 
@@ -425,21 +657,23 @@ quotaEnabled_read(char *page, char **start, off_t off,
         return len;
 }
 static int
-quotaEnabled_write(struct file *file, const char *buffer,
+experimEnabled_write(struct file *file, const char __user *buffer,
                     unsigned long count, void *data)
 {
-        char c;
-        int rc;
+       char c;
+       int rc;
 
-        rc = get_user(c, buffer);
-        if (rc)
-                return rc;
-        if (c == '0' || c == 'n' || c == 'N')
-                quotaEnabled = 0;
-        else if (c == '1' || c == 'y' || c == 'Y')
-                quotaEnabled = 1;
+       rc = get_user(c, buffer);
+       if (rc)
+               return rc;
+       if (c == '0' || c == 'n' || c == 'N')
+               experimEnabled = 0;
+       else if (c == '1' || c == 'y' || c == 'Y')
+               experimEnabled = 1;
+       else if (c == '2')
+               experimEnabled = 2;
 
-        return count;
+       return count;
 }
 
 static int
@@ -449,8 +683,6 @@ linuxExtensionsEnabled_read(char *page, char **start, off_t off,
         int len;
 
         len = sprintf(page, "%d\n", linuxExtEnabled);
-/* could also check if quotas are enabled in kernel
-       as a whole first */
         len -= off;
         *start = page + off;
 
@@ -465,7 +697,7 @@ linuxExtensionsEnabled_read(char *page, char **start, off_t off,
         return len;
 }
 static int
-linuxExtensionsEnabled_write(struct file *file, const char *buffer,
+linuxExtensionsEnabled_write(struct file *file, const char __user *buffer,
                     unsigned long count, void *data)
 {
         char c;
@@ -505,7 +737,7 @@ lookupFlag_read(char *page, char **start, off_t off,
        return len;
 }
 static int
-lookupFlag_write(struct file *file, const char *buffer,
+lookupFlag_write(struct file *file, const char __user *buffer,
                    unsigned long count, void *data)
 {
        char c;
@@ -543,7 +775,7 @@ traceSMB_read(char *page, char **start, off_t off, int count,
        return len;
 }
 static int
-traceSMB_write(struct file *file, const char *buffer,
+traceSMB_write(struct file *file, const char __user *buffer,
               unsigned long count, void *data)
 {
        char c;
@@ -582,7 +814,7 @@ multiuser_mount_read(char *page, char **start, off_t off,
        return len;
 }
 static int
-multiuser_mount_write(struct file *file, const char *buffer,
+multiuser_mount_write(struct file *file, const char __user *buffer,
                      unsigned long count, void *data)
 {
        char c;
@@ -600,12 +832,12 @@ multiuser_mount_write(struct file *file, const char *buffer,
 }
 
 static int
-extended_security_read(char *page, char **start, off_t off,
+security_flags_read(char *page, char **start, off_t off,
                       int count, int *eof, void *data)
 {
        int len;
 
-       len = sprintf(page, "%d\n", extended_security);
+       len = sprintf(page, "0x%x\n", extended_security);
 
        len -= off;
        *start = page + off;
@@ -621,24 +853,52 @@ extended_security_read(char *page, char **start, off_t off,
        return len;
 }
 static int
-extended_security_write(struct file *file, const char *buffer,
+security_flags_write(struct file *file, const char __user *buffer,
                        unsigned long count, void *data)
 {
+       unsigned int flags;
+       char flags_string[12];
        char c;
-       int rc;
 
-       rc = get_user(c, buffer);
-       if (rc)
-               return rc;
-       if (c == '0' || c == 'n' || c == 'N')
-               extended_security = 0;
-       else if (c == '1' || c == 'y' || c == 'Y')
-               extended_security = 1;
+       if((count < 1) || (count > 11))
+               return -EINVAL;
+
+       memset(flags_string, 0, 12);
+
+       if(copy_from_user(flags_string, buffer, count))
+               return -EFAULT;
+
+       if(count < 3) {
+               /* single char or single char followed by null */
+               c = flags_string[0];
+               if (c == '0' || c == 'n' || c == 'N')
+                       extended_security = CIFSSEC_DEF; /* default */
+               else if (c == '1' || c == 'y' || c == 'Y')
+                       extended_security = CIFSSEC_MAX;
+               return count;
+       }
+       /* else we have a number */
 
+       flags = simple_strtoul(flags_string, NULL, 0);
+
+       cFYI(1,("sec flags 0x%x", flags));
+
+       if(flags <= 0)  {
+               cERROR(1,("invalid security flags %s",flags_string));
+               return -EINVAL;
+       }
+
+       if(flags & ~CIFSSEC_MASK) {
+               cERROR(1,("attempt to set unsupported security flags 0x%x",
+                       flags & ~CIFSSEC_MASK));
+               return -EINVAL;
+       }
+       /* flags look ok - update the global security flags for cifs module */
+       extended_security = flags;
        return count;
 }
 
-static int
+/* static int
 ntlmv2_enabled_read(char *page, char **start, off_t off,
                       int count, int *eof, void *data)
 {
@@ -660,7 +920,7 @@ ntlmv2_enabled_read(char *page, char **start, off_t off,
        return len;
 }
 static int
-ntlmv2_enabled_write(struct file *file, const char *buffer,
+ntlmv2_enabled_write(struct file *file, const char __user *buffer,
                        unsigned long count, void *data)
 {
        char c;
@@ -673,6 +933,8 @@ ntlmv2_enabled_write(struct file *file, const char *buffer,
                ntlmv2_support = 0;
        else if (c == '1' || c == 'y' || c == 'Y')
                ntlmv2_support = 1;
+       else if (c == '2')
+               ntlmv2_support = 2;
 
        return count;
 }
@@ -699,7 +961,7 @@ packet_signing_enabled_read(char *page, char **start, off_t off,
        return len;
 }
 static int
-packet_signing_enabled_write(struct file *file, const char *buffer,
+packet_signing_enabled_write(struct file *file, const char __user *buffer,
                        unsigned long count, void *data)
 {
        char c;
@@ -716,7 +978,7 @@ packet_signing_enabled_write(struct file *file, const char *buffer,
                sign_CIFS_PDUs = 2;
 
        return count;
-}
+} */
 
 
 #endif