4 * Copyright (C) International Business Machines Corp., 2000,2005
6 * Modified by Steve French (sfrench@us.ibm.com)
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
16 * the GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 #include <linux/string.h>
24 #include <linux/ctype.h>
25 #include <linux/module.h>
26 #include <linux/proc_fs.h>
27 #include <asm/uaccess.h>
30 #include "cifsproto.h"
31 #include "cifs_debug.h"
35 cifs_dump_mem(char *label, void *data, int length)
40 char buf[10], line[80];
42 printk(KERN_DEBUG "%s: dump of %d bytes of data at 0x%p\n",
44 for (i = 0; i < length; i += 16) {
46 for (j = 0; (j < 4) && (i + j * 4 < length); j++) {
47 sprintf(buf, " %08x", intptr[i / 4 + j]);
52 for (j = 0; (j < 16) && (i + j < length); j++) {
53 buf[1] = isprint(charptr[i + j]) ? charptr[i + j] : '.';
56 printk(KERN_DEBUG "%s\n", line);
60 #ifdef CONFIG_CIFS_DEBUG2
61 void cifs_dump_detail(struct smb_hdr *smb)
63 cERROR(1, "Cmd: %d Err: 0x%x Flags: 0x%x Flgs2: 0x%x Mid: %d Pid: %d",
64 smb->Command, smb->Status.CifsError,
65 smb->Flags, smb->Flags2, smb->Mid, smb->Pid);
66 cERROR(1, "smb buf %p len %d", smb, smbCalcSize_LE(smb));
70 void cifs_dump_mids(struct TCP_Server_Info *server)
72 struct list_head *tmp;
73 struct mid_q_entry *mid_entry;
78 cERROR(1, "Dump pending requests:");
79 spin_lock(&GlobalMid_Lock);
80 list_for_each(tmp, &server->pending_mid_q) {
81 mid_entry = list_entry(tmp, struct mid_q_entry, qhead);
82 cERROR(1, "State: %d Cmd: %d Pid: %d Tsk: %p Mid %d",
84 (int)mid_entry->command,
88 #ifdef CONFIG_CIFS_STATS2
89 cERROR(1, "IsLarge: %d buf: %p time rcv: %ld now: %ld",
92 mid_entry->when_received,
95 cERROR(1, "IsMult: %d IsEnd: %d", mid_entry->multiRsp,
97 if (mid_entry->resp_buf) {
98 cifs_dump_detail(mid_entry->resp_buf);
99 cifs_dump_mem("existing buf: ",
100 mid_entry->resp_buf, 62);
103 spin_unlock(&GlobalMid_Lock);
105 #endif /* CONFIG_CIFS_DEBUG2 */
107 #ifdef CONFIG_PROC_FS
108 static int cifs_debug_data_proc_show(struct seq_file *m, void *v)
110 struct list_head *tmp1, *tmp2, *tmp3;
111 struct mid_q_entry *mid_entry;
112 struct TCP_Server_Info *server;
113 struct cifsSesInfo *ses;
114 struct cifsTconInfo *tcon;
119 "Display Internal CIFS Data Structures for Debugging\n"
120 "---------------------------------------------------\n");
121 seq_printf(m, "CIFS Version %s\n", CIFS_VERSION);
122 seq_printf(m, "Features: ");
123 #ifdef CONFIG_CIFS_DFS_UPCALL
124 seq_printf(m, "dfs");
127 #ifdef CONFIG_CIFS_FSCACHE
128 seq_printf(m, "fscache");
131 #ifdef CONFIG_CIFS_WEAK_PW_HASH
132 seq_printf(m, "lanman");
135 #ifdef CONFIG_CIFS_POSIX
136 seq_printf(m, "posix");
139 #ifdef CONFIG_CIFS_UPCALL
140 seq_printf(m, "spnego");
143 #ifdef CONFIG_CIFS_XATTR
144 seq_printf(m, "xattr");
147 seq_printf(m, "Active VFS Requests: %d\n", GlobalTotalActiveXid);
148 seq_printf(m, "Servers:");
151 read_lock(&cifs_tcp_ses_lock);
152 list_for_each(tmp1, &cifs_tcp_ses_list) {
153 server = list_entry(tmp1, struct TCP_Server_Info,
156 list_for_each(tmp2, &server->smb_ses_list) {
157 ses = list_entry(tmp2, struct cifsSesInfo,
159 if ((ses->serverDomain == NULL) ||
160 (ses->serverOS == NULL) ||
161 (ses->serverNOS == NULL)) {
162 seq_printf(m, "\n%d) entry for %s not fully "
163 "displayed\n\t", i, ses->serverName);
166 "\n%d) Name: %s Domain: %s Uses: %d OS:"
167 " %s\n\tNOS: %s\tCapability: 0x%x\n\tSMB"
168 " session status: %d\t",
169 i, ses->serverName, ses->serverDomain,
170 ses->ses_count, ses->serverOS, ses->serverNOS,
171 ses->capabilities, ses->status);
173 seq_printf(m, "TCP status: %d\n\tLocal Users To "
174 "Server: %d SecMode: 0x%x Req On Wire: %d",
175 server->tcpStatus, server->srv_count,
177 atomic_read(&server->inFlight));
179 #ifdef CONFIG_CIFS_STATS2
180 seq_printf(m, " In Send: %d In MaxReq Wait: %d",
181 atomic_read(&server->inSend),
182 atomic_read(&server->num_waiters));
185 seq_puts(m, "\n\tShares:");
187 list_for_each(tmp3, &ses->tcon_list) {
188 tcon = list_entry(tmp3, struct cifsTconInfo,
191 dev_type = le32_to_cpu(tcon->fsDevInfo.DeviceType);
192 seq_printf(m, "\n\t%d) %s Mounts: %d ", j,
193 tcon->treeName, tcon->tc_count);
194 if (tcon->nativeFileSystem) {
195 seq_printf(m, "Type: %s ",
196 tcon->nativeFileSystem);
198 seq_printf(m, "DevInfo: 0x%x Attributes: 0x%x"
199 "\nPathComponentMax: %d Status: 0x%d",
200 le32_to_cpu(tcon->fsDevInfo.DeviceCharacteristics),
201 le32_to_cpu(tcon->fsAttrInfo.Attributes),
202 le32_to_cpu(tcon->fsAttrInfo.MaxPathNameComponentLength),
204 if (dev_type == FILE_DEVICE_DISK)
205 seq_puts(m, " type: DISK ");
206 else if (dev_type == FILE_DEVICE_CD_ROM)
207 seq_puts(m, " type: CDROM ");
209 seq_printf(m, " type: %d ", dev_type);
211 if (tcon->need_reconnect)
212 seq_puts(m, "\tDISCONNECTED ");
216 seq_puts(m, "\n\tMIDs:\n");
218 spin_lock(&GlobalMid_Lock);
219 list_for_each(tmp3, &server->pending_mid_q) {
220 mid_entry = list_entry(tmp3, struct mid_q_entry,
222 seq_printf(m, "\tState: %d com: %d pid:"
223 " %d tsk: %p mid %d\n",
225 (int)mid_entry->command,
230 spin_unlock(&GlobalMid_Lock);
233 read_unlock(&cifs_tcp_ses_lock);
236 /* BB add code to dump additional info such as TCP session info now */
240 static int cifs_debug_data_proc_open(struct inode *inode, struct file *file)
242 return single_open(file, cifs_debug_data_proc_show, NULL);
245 static const struct file_operations cifs_debug_data_proc_fops = {
246 .owner = THIS_MODULE,
247 .open = cifs_debug_data_proc_open,
250 .release = single_release,
253 #ifdef CONFIG_CIFS_STATS
254 static ssize_t cifs_stats_proc_write(struct file *file,
255 const char __user *buffer, size_t count, loff_t *ppos)
259 struct list_head *tmp1, *tmp2, *tmp3;
260 struct TCP_Server_Info *server;
261 struct cifsSesInfo *ses;
262 struct cifsTconInfo *tcon;
264 rc = get_user(c, buffer);
268 if (c == '1' || c == 'y' || c == 'Y' || c == '0') {
269 #ifdef CONFIG_CIFS_STATS2
270 atomic_set(&totBufAllocCount, 0);
271 atomic_set(&totSmBufAllocCount, 0);
272 #endif /* CONFIG_CIFS_STATS2 */
273 read_lock(&cifs_tcp_ses_lock);
274 list_for_each(tmp1, &cifs_tcp_ses_list) {
275 server = list_entry(tmp1, struct TCP_Server_Info,
277 list_for_each(tmp2, &server->smb_ses_list) {
278 ses = list_entry(tmp2, struct cifsSesInfo,
280 list_for_each(tmp3, &ses->tcon_list) {
281 tcon = list_entry(tmp3,
284 atomic_set(&tcon->num_smbs_sent, 0);
285 atomic_set(&tcon->num_writes, 0);
286 atomic_set(&tcon->num_reads, 0);
287 atomic_set(&tcon->num_oplock_brks, 0);
288 atomic_set(&tcon->num_opens, 0);
289 atomic_set(&tcon->num_posixopens, 0);
290 atomic_set(&tcon->num_posixmkdirs, 0);
291 atomic_set(&tcon->num_closes, 0);
292 atomic_set(&tcon->num_deletes, 0);
293 atomic_set(&tcon->num_mkdirs, 0);
294 atomic_set(&tcon->num_rmdirs, 0);
295 atomic_set(&tcon->num_renames, 0);
296 atomic_set(&tcon->num_t2renames, 0);
297 atomic_set(&tcon->num_ffirst, 0);
298 atomic_set(&tcon->num_fnext, 0);
299 atomic_set(&tcon->num_fclose, 0);
300 atomic_set(&tcon->num_hardlinks, 0);
301 atomic_set(&tcon->num_symlinks, 0);
302 atomic_set(&tcon->num_locks, 0);
306 read_unlock(&cifs_tcp_ses_lock);
312 static int cifs_stats_proc_show(struct seq_file *m, void *v)
315 struct list_head *tmp1, *tmp2, *tmp3;
316 struct TCP_Server_Info *server;
317 struct cifsSesInfo *ses;
318 struct cifsTconInfo *tcon;
321 "Resources in use\nCIFS Session: %d\n",
322 sesInfoAllocCount.counter);
323 seq_printf(m, "Share (unique mount targets): %d\n",
324 tconInfoAllocCount.counter);
325 seq_printf(m, "SMB Request/Response Buffer: %d Pool size: %d\n",
326 bufAllocCount.counter,
327 cifs_min_rcv + tcpSesAllocCount.counter);
328 seq_printf(m, "SMB Small Req/Resp Buffer: %d Pool size: %d\n",
329 smBufAllocCount.counter, cifs_min_small);
330 #ifdef CONFIG_CIFS_STATS2
331 seq_printf(m, "Total Large %d Small %d Allocations\n",
332 atomic_read(&totBufAllocCount),
333 atomic_read(&totSmBufAllocCount));
334 #endif /* CONFIG_CIFS_STATS2 */
336 seq_printf(m, "Operations (MIDs): %d\n", midCount.counter);
338 "\n%d session %d share reconnects\n",
339 tcpSesReconnectCount.counter, tconInfoReconnectCount.counter);
342 "Total vfs operations: %d maximum at one time: %d\n",
343 GlobalCurrentXid, GlobalMaxActiveXid);
346 read_lock(&cifs_tcp_ses_lock);
347 list_for_each(tmp1, &cifs_tcp_ses_list) {
348 server = list_entry(tmp1, struct TCP_Server_Info,
350 list_for_each(tmp2, &server->smb_ses_list) {
351 ses = list_entry(tmp2, struct cifsSesInfo,
353 list_for_each(tmp3, &ses->tcon_list) {
354 tcon = list_entry(tmp3,
358 seq_printf(m, "\n%d) %s", i, tcon->treeName);
359 if (tcon->need_reconnect)
360 seq_puts(m, "\tDISCONNECTED ");
361 seq_printf(m, "\nSMBs: %d Oplock Breaks: %d",
362 atomic_read(&tcon->num_smbs_sent),
363 atomic_read(&tcon->num_oplock_brks));
364 seq_printf(m, "\nReads: %d Bytes: %lld",
365 atomic_read(&tcon->num_reads),
366 (long long)(tcon->bytes_read));
367 seq_printf(m, "\nWrites: %d Bytes: %lld",
368 atomic_read(&tcon->num_writes),
369 (long long)(tcon->bytes_written));
370 seq_printf(m, "\nFlushes: %d",
371 atomic_read(&tcon->num_flushes));
372 seq_printf(m, "\nLocks: %d HardLinks: %d "
374 atomic_read(&tcon->num_locks),
375 atomic_read(&tcon->num_hardlinks),
376 atomic_read(&tcon->num_symlinks));
377 seq_printf(m, "\nOpens: %d Closes: %d "
379 atomic_read(&tcon->num_opens),
380 atomic_read(&tcon->num_closes),
381 atomic_read(&tcon->num_deletes));
382 seq_printf(m, "\nPosix Opens: %d "
384 atomic_read(&tcon->num_posixopens),
385 atomic_read(&tcon->num_posixmkdirs));
386 seq_printf(m, "\nMkdirs: %d Rmdirs: %d",
387 atomic_read(&tcon->num_mkdirs),
388 atomic_read(&tcon->num_rmdirs));
389 seq_printf(m, "\nRenames: %d T2 Renames %d",
390 atomic_read(&tcon->num_renames),
391 atomic_read(&tcon->num_t2renames));
392 seq_printf(m, "\nFindFirst: %d FNext %d "
394 atomic_read(&tcon->num_ffirst),
395 atomic_read(&tcon->num_fnext),
396 atomic_read(&tcon->num_fclose));
400 read_unlock(&cifs_tcp_ses_lock);
406 static int cifs_stats_proc_open(struct inode *inode, struct file *file)
408 return single_open(file, cifs_stats_proc_show, NULL);
411 static const struct file_operations cifs_stats_proc_fops = {
412 .owner = THIS_MODULE,
413 .open = cifs_stats_proc_open,
416 .release = single_release,
417 .write = cifs_stats_proc_write,
421 static struct proc_dir_entry *proc_fs_cifs;
422 static const struct file_operations cifsFYI_proc_fops;
423 static const struct file_operations cifs_oplock_proc_fops;
424 static const struct file_operations cifs_lookup_cache_proc_fops;
425 static const struct file_operations traceSMB_proc_fops;
426 static const struct file_operations cifs_multiuser_mount_proc_fops;
427 static const struct file_operations cifs_security_flags_proc_fops;
428 static const struct file_operations cifs_experimental_proc_fops;
429 static const struct file_operations cifs_linux_ext_proc_fops;
434 proc_fs_cifs = proc_mkdir("fs/cifs", NULL);
435 if (proc_fs_cifs == NULL)
438 proc_create("DebugData", 0, proc_fs_cifs, &cifs_debug_data_proc_fops);
440 #ifdef CONFIG_CIFS_STATS
441 proc_create("Stats", 0, proc_fs_cifs, &cifs_stats_proc_fops);
443 proc_create("cifsFYI", 0, proc_fs_cifs, &cifsFYI_proc_fops);
444 proc_create("traceSMB", 0, proc_fs_cifs, &traceSMB_proc_fops);
445 proc_create("OplockEnabled", 0, proc_fs_cifs, &cifs_oplock_proc_fops);
446 proc_create("Experimental", 0, proc_fs_cifs,
447 &cifs_experimental_proc_fops);
448 proc_create("LinuxExtensionsEnabled", 0, proc_fs_cifs,
449 &cifs_linux_ext_proc_fops);
450 proc_create("MultiuserMount", 0, proc_fs_cifs,
451 &cifs_multiuser_mount_proc_fops);
452 proc_create("SecurityFlags", 0, proc_fs_cifs,
453 &cifs_security_flags_proc_fops);
454 proc_create("LookupCacheEnabled", 0, proc_fs_cifs,
455 &cifs_lookup_cache_proc_fops);
459 cifs_proc_clean(void)
461 if (proc_fs_cifs == NULL)
464 remove_proc_entry("DebugData", proc_fs_cifs);
465 remove_proc_entry("cifsFYI", proc_fs_cifs);
466 remove_proc_entry("traceSMB", proc_fs_cifs);
467 #ifdef CONFIG_CIFS_STATS
468 remove_proc_entry("Stats", proc_fs_cifs);
470 remove_proc_entry("MultiuserMount", proc_fs_cifs);
471 remove_proc_entry("OplockEnabled", proc_fs_cifs);
472 remove_proc_entry("SecurityFlags", proc_fs_cifs);
473 remove_proc_entry("LinuxExtensionsEnabled", proc_fs_cifs);
474 remove_proc_entry("Experimental", proc_fs_cifs);
475 remove_proc_entry("LookupCacheEnabled", proc_fs_cifs);
476 remove_proc_entry("fs/cifs", NULL);
479 static int cifsFYI_proc_show(struct seq_file *m, void *v)
481 seq_printf(m, "%d\n", cifsFYI);
485 static int cifsFYI_proc_open(struct inode *inode, struct file *file)
487 return single_open(file, cifsFYI_proc_show, NULL);
490 static ssize_t cifsFYI_proc_write(struct file *file, const char __user *buffer,
491 size_t count, loff_t *ppos)
496 rc = get_user(c, buffer);
499 if (c == '0' || c == 'n' || c == 'N')
501 else if (c == '1' || c == 'y' || c == 'Y')
503 else if ((c > '1') && (c <= '9'))
504 cifsFYI = (int) (c - '0'); /* see cifs_debug.h for meanings */
509 static const struct file_operations cifsFYI_proc_fops = {
510 .owner = THIS_MODULE,
511 .open = cifsFYI_proc_open,
514 .release = single_release,
515 .write = cifsFYI_proc_write,
518 static int cifs_oplock_proc_show(struct seq_file *m, void *v)
520 seq_printf(m, "%d\n", oplockEnabled);
524 static int cifs_oplock_proc_open(struct inode *inode, struct file *file)
526 return single_open(file, cifs_oplock_proc_show, NULL);
529 static ssize_t cifs_oplock_proc_write(struct file *file,
530 const char __user *buffer, size_t count, loff_t *ppos)
535 rc = get_user(c, buffer);
538 if (c == '0' || c == 'n' || c == 'N')
540 else if (c == '1' || c == 'y' || c == 'Y')
546 static const struct file_operations cifs_oplock_proc_fops = {
547 .owner = THIS_MODULE,
548 .open = cifs_oplock_proc_open,
551 .release = single_release,
552 .write = cifs_oplock_proc_write,
555 static int cifs_experimental_proc_show(struct seq_file *m, void *v)
557 seq_printf(m, "%d\n", experimEnabled);
561 static int cifs_experimental_proc_open(struct inode *inode, struct file *file)
563 return single_open(file, cifs_experimental_proc_show, NULL);
566 static ssize_t cifs_experimental_proc_write(struct file *file,
567 const char __user *buffer, size_t count, loff_t *ppos)
572 rc = get_user(c, buffer);
575 if (c == '0' || c == 'n' || c == 'N')
577 else if (c == '1' || c == 'y' || c == 'Y')
585 static const struct file_operations cifs_experimental_proc_fops = {
586 .owner = THIS_MODULE,
587 .open = cifs_experimental_proc_open,
590 .release = single_release,
591 .write = cifs_experimental_proc_write,
594 static int cifs_linux_ext_proc_show(struct seq_file *m, void *v)
596 seq_printf(m, "%d\n", linuxExtEnabled);
600 static int cifs_linux_ext_proc_open(struct inode *inode, struct file *file)
602 return single_open(file, cifs_linux_ext_proc_show, NULL);
605 static ssize_t cifs_linux_ext_proc_write(struct file *file,
606 const char __user *buffer, size_t count, loff_t *ppos)
611 rc = get_user(c, buffer);
614 if (c == '0' || c == 'n' || c == 'N')
616 else if (c == '1' || c == 'y' || c == 'Y')
622 static const struct file_operations cifs_linux_ext_proc_fops = {
623 .owner = THIS_MODULE,
624 .open = cifs_linux_ext_proc_open,
627 .release = single_release,
628 .write = cifs_linux_ext_proc_write,
631 static int cifs_lookup_cache_proc_show(struct seq_file *m, void *v)
633 seq_printf(m, "%d\n", lookupCacheEnabled);
637 static int cifs_lookup_cache_proc_open(struct inode *inode, struct file *file)
639 return single_open(file, cifs_lookup_cache_proc_show, NULL);
642 static ssize_t cifs_lookup_cache_proc_write(struct file *file,
643 const char __user *buffer, size_t count, loff_t *ppos)
648 rc = get_user(c, buffer);
651 if (c == '0' || c == 'n' || c == 'N')
652 lookupCacheEnabled = 0;
653 else if (c == '1' || c == 'y' || c == 'Y')
654 lookupCacheEnabled = 1;
659 static const struct file_operations cifs_lookup_cache_proc_fops = {
660 .owner = THIS_MODULE,
661 .open = cifs_lookup_cache_proc_open,
664 .release = single_release,
665 .write = cifs_lookup_cache_proc_write,
668 static int traceSMB_proc_show(struct seq_file *m, void *v)
670 seq_printf(m, "%d\n", traceSMB);
674 static int traceSMB_proc_open(struct inode *inode, struct file *file)
676 return single_open(file, traceSMB_proc_show, NULL);
679 static ssize_t traceSMB_proc_write(struct file *file, const char __user *buffer,
680 size_t count, loff_t *ppos)
685 rc = get_user(c, buffer);
688 if (c == '0' || c == 'n' || c == 'N')
690 else if (c == '1' || c == 'y' || c == 'Y')
696 static const struct file_operations traceSMB_proc_fops = {
697 .owner = THIS_MODULE,
698 .open = traceSMB_proc_open,
701 .release = single_release,
702 .write = traceSMB_proc_write,
705 static int cifs_multiuser_mount_proc_show(struct seq_file *m, void *v)
707 seq_printf(m, "%d\n", multiuser_mount);
711 static int cifs_multiuser_mount_proc_open(struct inode *inode, struct file *fh)
713 return single_open(fh, cifs_multiuser_mount_proc_show, NULL);
716 static ssize_t cifs_multiuser_mount_proc_write(struct file *file,
717 const char __user *buffer, size_t count, loff_t *ppos)
722 rc = get_user(c, buffer);
725 if (c == '0' || c == 'n' || c == 'N')
727 else if (c == '1' || c == 'y' || c == 'Y')
733 static const struct file_operations cifs_multiuser_mount_proc_fops = {
734 .owner = THIS_MODULE,
735 .open = cifs_multiuser_mount_proc_open,
738 .release = single_release,
739 .write = cifs_multiuser_mount_proc_write,
742 static int cifs_security_flags_proc_show(struct seq_file *m, void *v)
744 seq_printf(m, "0x%x\n", global_secflags);
748 static int cifs_security_flags_proc_open(struct inode *inode, struct file *file)
750 return single_open(file, cifs_security_flags_proc_show, NULL);
753 static ssize_t cifs_security_flags_proc_write(struct file *file,
754 const char __user *buffer, size_t count, loff_t *ppos)
757 char flags_string[12];
760 if ((count < 1) || (count > 11))
763 memset(flags_string, 0, 12);
765 if (copy_from_user(flags_string, buffer, count))
769 /* single char or single char followed by null */
771 if (c == '0' || c == 'n' || c == 'N') {
772 global_secflags = CIFSSEC_DEF; /* default */
774 } else if (c == '1' || c == 'y' || c == 'Y') {
775 global_secflags = CIFSSEC_MAX;
777 } else if (!isdigit(c)) {
778 cERROR(1, "invalid flag %c", c);
782 /* else we have a number */
784 flags = simple_strtoul(flags_string, NULL, 0);
786 cFYI(1, "sec flags 0x%x", flags);
789 cERROR(1, "invalid security flags %s", flags_string);
793 if (flags & ~CIFSSEC_MASK) {
794 cERROR(1, "attempt to set unsupported security flags 0x%x",
795 flags & ~CIFSSEC_MASK);
798 /* flags look ok - update the global security flags for cifs module */
799 global_secflags = flags;
800 if (global_secflags & CIFSSEC_MUST_SIGN) {
801 /* requiring signing implies signing is allowed */
802 global_secflags |= CIFSSEC_MAY_SIGN;
803 cFYI(1, "packet signing now required");
804 } else if ((global_secflags & CIFSSEC_MAY_SIGN) == 0) {
805 cFYI(1, "packet signing disabled");
807 /* BB should we turn on MAY flags for other MUST options? */
811 static const struct file_operations cifs_security_flags_proc_fops = {
812 .owner = THIS_MODULE,
813 .open = cifs_security_flags_proc_open,
816 .release = single_release,
817 .write = cifs_security_flags_proc_write,
820 inline void cifs_proc_init(void)
824 inline void cifs_proc_clean(void)