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Commit 44c58186 authored by Pavel Shilovsky's avatar Pavel Shilovsky
Browse files

CIFS: Move clear/print_stats code to ops struct 



Signed-off-by: default avatarPavel Shilovsky <pshilovsky@samba.org>
Signed-off-by: default avatarSteve French <smfrench@gmail.com>
parent 9094fad1

fs/cifs/cifs_debug.c

+6 −54
Original line number Diff line number Diff line
@@ -282,24 +282,8 @@ static ssize_t cifs_stats_proc_write(struct file *file, 
							  struct cifs_tcon,

							  tcon_list);

					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_posixopens, 0);

					atomic_set(&tcon->num_posixmkdirs, 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);

					if (server->ops->clear_stats)

						server->ops->clear_stats(tcon);

				}

			}

		}
@@ -358,42 +342,10 @@ static int cifs_stats_proc_show(struct seq_file *m, void *v) 
				seq_printf(m, "\n%d) %s", i, tcon->treeName);

				if (tcon->need_reconnect)

					seq_puts(m, "\tDISCONNECTED ");

				seq_printf(m, "\nSMBs: %d Oplock Breaks: %d",

					atomic_read(&tcon->num_smbs_sent),

					atomic_read(&tcon->num_oplock_brks));

				seq_printf(m, "\nReads:  %d Bytes: %lld",

					atomic_read(&tcon->num_reads),

					(long long)(tcon->bytes_read));

				seq_printf(m, "\nWrites: %d Bytes: %lld",

					atomic_read(&tcon->num_writes),

					(long long)(tcon->bytes_written));

				seq_printf(m, "\nFlushes: %d",

					atomic_read(&tcon->num_flushes));

				seq_printf(m, "\nLocks: %d HardLinks: %d "

					      "Symlinks: %d",

					atomic_read(&tcon->num_locks),

					atomic_read(&tcon->num_hardlinks),

					atomic_read(&tcon->num_symlinks));

				seq_printf(m, "\nOpens: %d Closes: %d "

					      "Deletes: %d",

					atomic_read(&tcon->num_opens),

					atomic_read(&tcon->num_closes),

					atomic_read(&tcon->num_deletes));

				seq_printf(m, "\nPosix Opens: %d "

					      "Posix Mkdirs: %d",

					atomic_read(&tcon->num_posixopens),

					atomic_read(&tcon->num_posixmkdirs));

				seq_printf(m, "\nMkdirs: %d Rmdirs: %d",

					atomic_read(&tcon->num_mkdirs),

					atomic_read(&tcon->num_rmdirs));

				seq_printf(m, "\nRenames: %d T2 Renames %d",

					atomic_read(&tcon->num_renames),

					atomic_read(&tcon->num_t2renames));

				seq_printf(m, "\nFindFirst: %d FNext %d "

					      "FClose %d",

					atomic_read(&tcon->num_ffirst),

					atomic_read(&tcon->num_fnext),

					atomic_read(&tcon->num_fclose));

				seq_printf(m, "\nSMBs: %d",

					   atomic_read(&tcon->num_smbs_sent));

				if (server->ops->print_stats)

					server->ops->print_stats(m, tcon);

			}

		}

	}

fs/cifs/cifsglob.h

+27 −21
Original line number Diff line number Diff line
@@ -197,6 +197,8 @@ struct smb_version_operations { 
	/* find mid corresponding to the response message */

	struct mid_q_entry * (*find_mid)(struct TCP_Server_Info *, char *);

	void (*dump_detail)(void *);

	void (*clear_stats)(struct cifs_tcon *);

	void (*print_stats)(struct seq_file *m, struct cifs_tcon *);

	/* verify the message */

	int (*check_message)(char *, unsigned int);

	bool (*is_oplock_break)(char *, struct TCP_Server_Info *);
@@ -566,6 +568,8 @@ struct cifs_tcon { 
	enum statusEnum tidStatus;

#ifdef CONFIG_CIFS_STATS

	atomic_t num_smbs_sent;

	union {

		struct {

			atomic_t num_writes;

			atomic_t num_reads;

			atomic_t num_flushes;
@@ -587,6 +591,8 @@ struct cifs_tcon { 
			atomic_t num_locks;

			atomic_t num_acl_get;

			atomic_t num_acl_set;

		} cifs_stats;

	} stats;

#ifdef CONFIG_CIFS_STATS2

	unsigned long long time_writes;

	unsigned long long time_reads;

fs/cifs/cifssmb.c

+27 −27
Original line number Diff line number Diff line
@@ -893,7 +893,7 @@ CIFSPOSIXDelFile(const unsigned int xid, struct cifs_tcon *tcon, 
		cFYI(1, "Posix delete returned %d", rc);

	cifs_buf_release(pSMB);



	cifs_stats_inc(&tcon->num_deletes);

	cifs_stats_inc(&tcon->stats.cifs_stats.num_deletes);



	if (rc == -EAGAIN)

		goto PsxDelete;
@@ -936,7 +936,7 @@ CIFSSMBDelFile(const unsigned int xid, struct cifs_tcon *tcon, 
	pSMB->ByteCount = cpu_to_le16(name_len + 1);

	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,

			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);

	cifs_stats_inc(&tcon->num_deletes);

	cifs_stats_inc(&tcon->stats.cifs_stats.num_deletes);

	if (rc)

		cFYI(1, "Error in RMFile = %d", rc);
@@ -981,7 +981,7 @@ CIFSSMBRmDir(const unsigned int xid, struct cifs_tcon *tcon, 
	pSMB->ByteCount = cpu_to_le16(name_len + 1);

	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,

			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);

	cifs_stats_inc(&tcon->num_rmdirs);

	cifs_stats_inc(&tcon->stats.cifs_stats.num_rmdirs);

	if (rc)

		cFYI(1, "Error in RMDir = %d", rc);
@@ -1024,7 +1024,7 @@ CIFSSMBMkDir(const unsigned int xid, struct cifs_tcon *tcon, 
	pSMB->ByteCount = cpu_to_le16(name_len + 1);

	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,

			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);

	cifs_stats_inc(&tcon->num_mkdirs);

	cifs_stats_inc(&tcon->stats.cifs_stats.num_mkdirs);

	if (rc)

		cFYI(1, "Error in Mkdir = %d", rc);
@@ -1147,9 +1147,9 @@ CIFSPOSIXCreate(const unsigned int xid, struct cifs_tcon *tcon, 
	cifs_buf_release(pSMB);



	if (posix_flags & SMB_O_DIRECTORY)

		cifs_stats_inc(&tcon->num_posixmkdirs);

		cifs_stats_inc(&tcon->stats.cifs_stats.num_posixmkdirs);

	else

		cifs_stats_inc(&tcon->num_posixopens);

		cifs_stats_inc(&tcon->stats.cifs_stats.num_posixopens);



	if (rc == -EAGAIN)

		goto PsxCreat;
@@ -1270,7 +1270,7 @@ SMBLegacyOpen(const unsigned int xid, struct cifs_tcon *tcon, 
	/* long_op set to 1 to allow for oplock break timeouts */

	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,

			(struct smb_hdr *)pSMBr, &bytes_returned, 0);

	cifs_stats_inc(&tcon->num_opens);

	cifs_stats_inc(&tcon->stats.cifs_stats.num_opens);

	if (rc) {

		cFYI(1, "Error in Open = %d", rc);

	} else {
@@ -1383,7 +1383,7 @@ CIFSSMBOpen(const unsigned int xid, struct cifs_tcon *tcon, 
	/* long_op set to 1 to allow for oplock break timeouts */

	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,

			(struct smb_hdr *)pSMBr, &bytes_returned, 0);

	cifs_stats_inc(&tcon->num_opens);

	cifs_stats_inc(&tcon->stats.cifs_stats.num_opens);

	if (rc) {

		cFYI(1, "Error in Open = %d", rc);

	} else {
@@ -1650,7 +1650,7 @@ cifs_async_readv(struct cifs_readdata *rdata) 
			     rdata, 0);



	if (rc == 0)

		cifs_stats_inc(&tcon->num_reads);

		cifs_stats_inc(&tcon->stats.cifs_stats.num_reads);

	else

		kref_put(&rdata->refcount, cifs_readdata_release);
@@ -1720,7 +1720,7 @@ CIFSSMBRead(const unsigned int xid, struct cifs_io_parms *io_parms, 
	iov[0].iov_len = be32_to_cpu(pSMB->hdr.smb_buf_length) + 4;

	rc = SendReceive2(xid, tcon->ses, iov, 1 /* num iovecs */,

			 &resp_buf_type, CIFS_LOG_ERROR);

	cifs_stats_inc(&tcon->num_reads);

	cifs_stats_inc(&tcon->stats.cifs_stats.num_reads);

	pSMBr = (READ_RSP *)iov[0].iov_base;

	if (rc) {

		cERROR(1, "Send error in read = %d", rc);
@@ -1872,7 +1872,7 @@ CIFSSMBWrite(const unsigned int xid, struct cifs_io_parms *io_parms, 


	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,

			 (struct smb_hdr *) pSMBr, &bytes_returned, long_op);

	cifs_stats_inc(&tcon->num_writes);

	cifs_stats_inc(&tcon->stats.cifs_stats.num_writes);

	if (rc) {

		cFYI(1, "Send error in write = %d", rc);

	} else {
@@ -2123,7 +2123,7 @@ cifs_async_writev(struct cifs_writedata *wdata) 
			     NULL, cifs_writev_callback, wdata, 0);



	if (rc == 0)

		cifs_stats_inc(&tcon->num_writes);

		cifs_stats_inc(&tcon->stats.cifs_stats.num_writes);

	else

		kref_put(&wdata->refcount, cifs_writedata_release);
@@ -2213,7 +2213,7 @@ CIFSSMBWrite2(const unsigned int xid, struct cifs_io_parms *io_parms, 


	rc = SendReceive2(xid, tcon->ses, iov, n_vec + 1, &resp_buf_type,

			  long_op);

	cifs_stats_inc(&tcon->num_writes);

	cifs_stats_inc(&tcon->stats.cifs_stats.num_writes);

	if (rc) {

		cFYI(1, "Send error Write2 = %d", rc);

	} else if (resp_buf_type == 0) {
@@ -2279,7 +2279,7 @@ int cifs_lockv(const unsigned int xid, struct cifs_tcon *tcon, 
	iov[1].iov_base = (char *)buf;

	iov[1].iov_len = (num_unlock + num_lock) * sizeof(LOCKING_ANDX_RANGE);



	cifs_stats_inc(&tcon->num_locks);

	cifs_stats_inc(&tcon->stats.cifs_stats.num_locks);

	rc = SendReceive2(xid, tcon->ses, iov, 2, &resp_buf_type, CIFS_NO_RESP);

	if (rc)

		cFYI(1, "Send error in cifs_lockv = %d", rc);
@@ -2348,7 +2348,7 @@ CIFSSMBLock(const unsigned int xid, struct cifs_tcon *tcon, 
		rc = SendReceiveNoRsp(xid, tcon->ses, (char *)pSMB, flags);

		/* SMB buffer freed by function above */

	}

	cifs_stats_inc(&tcon->num_locks);

	cifs_stats_inc(&tcon->stats.cifs_stats.num_locks);

	if (rc)

		cFYI(1, "Send error in Lock = %d", rc);
@@ -2511,7 +2511,7 @@ CIFSSMBClose(const unsigned int xid, struct cifs_tcon *tcon, int smb_file_id) 
	pSMB->LastWriteTime = 0xFFFFFFFF;

	pSMB->ByteCount = 0;

	rc = SendReceiveNoRsp(xid, tcon->ses, (char *) pSMB, 0);

	cifs_stats_inc(&tcon->num_closes);

	cifs_stats_inc(&tcon->stats.cifs_stats.num_closes);

	if (rc) {

		if (rc != -EINTR) {

			/* EINTR is expected when user ctl-c to kill app */
@@ -2540,7 +2540,7 @@ CIFSSMBFlush(const unsigned int xid, struct cifs_tcon *tcon, int smb_file_id) 
	pSMB->FileID = (__u16) smb_file_id;

	pSMB->ByteCount = 0;

	rc = SendReceiveNoRsp(xid, tcon->ses, (char *) pSMB, 0);

	cifs_stats_inc(&tcon->num_flushes);

	cifs_stats_inc(&tcon->stats.cifs_stats.num_flushes);

	if (rc)

		cERROR(1, "Send error in Flush = %d", rc);
@@ -2603,7 +2603,7 @@ CIFSSMBRename(const unsigned int xid, struct cifs_tcon *tcon, 


	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,

			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);

	cifs_stats_inc(&tcon->num_renames);

	cifs_stats_inc(&tcon->stats.cifs_stats.num_renames);

	if (rc)

		cFYI(1, "Send error in rename = %d", rc);
@@ -2684,7 +2684,7 @@ int CIFSSMBRenameOpenFile(const unsigned int xid, struct cifs_tcon *pTcon, 
	pSMB->ByteCount = cpu_to_le16(byte_count);

	rc = SendReceive(xid, pTcon->ses, (struct smb_hdr *) pSMB,

			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);

	cifs_stats_inc(&pTcon->num_t2renames);

	cifs_stats_inc(&pTcon->stats.cifs_stats.num_t2renames);

	if (rc)

		cFYI(1, "Send error in Rename (by file handle) = %d", rc);
@@ -2841,7 +2841,7 @@ CIFSUnixCreateSymLink(const unsigned int xid, struct cifs_tcon *tcon, 
	pSMB->ByteCount = cpu_to_le16(byte_count);

	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,

			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);

	cifs_stats_inc(&tcon->num_symlinks);

	cifs_stats_inc(&tcon->stats.cifs_stats.num_symlinks);

	if (rc)

		cFYI(1, "Send error in SetPathInfo create symlink = %d", rc);
@@ -2927,7 +2927,7 @@ CIFSUnixCreateHardLink(const unsigned int xid, struct cifs_tcon *tcon, 
	pSMB->ByteCount = cpu_to_le16(byte_count);

	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,

			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);

	cifs_stats_inc(&tcon->num_hardlinks);

	cifs_stats_inc(&tcon->stats.cifs_stats.num_hardlinks);

	if (rc)

		cFYI(1, "Send error in SetPathInfo (hard link) = %d", rc);
@@ -2999,7 +2999,7 @@ CIFSCreateHardLink(const unsigned int xid, struct cifs_tcon *tcon, 


	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,

			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);

	cifs_stats_inc(&tcon->num_hardlinks);

	cifs_stats_inc(&tcon->stats.cifs_stats.num_hardlinks);

	if (rc)

		cFYI(1, "Send error in hard link (NT rename) = %d", rc);
@@ -3417,7 +3417,7 @@ CIFSSMBGetPosixACL(const unsigned int xid, struct cifs_tcon *tcon, 


	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,

		(struct smb_hdr *) pSMBr, &bytes_returned, 0);

	cifs_stats_inc(&tcon->num_acl_get);

	cifs_stats_inc(&tcon->stats.cifs_stats.num_acl_get);

	if (rc) {

		cFYI(1, "Send error in Query POSIX ACL = %d", rc);

	} else {
@@ -3728,7 +3728,7 @@ CIFSSMBGetCIFSACL(const unsigned int xid, struct cifs_tcon *tcon, __u16 fid, 


	rc = SendReceive2(xid, tcon->ses, iov, 1 /* num iovec */, &buf_type,

			 0);

	cifs_stats_inc(&tcon->num_acl_get);

	cifs_stats_inc(&tcon->stats.cifs_stats.num_acl_get);

	if (rc) {

		cFYI(1, "Send error in QuerySecDesc = %d", rc);

	} else {                /* decode response */
@@ -4330,7 +4330,7 @@ CIFSFindFirst(const unsigned int xid, struct cifs_tcon *tcon, 


	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,

			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);

	cifs_stats_inc(&tcon->num_ffirst);

	cifs_stats_inc(&tcon->stats.cifs_stats.num_ffirst);



	if (rc) {/* BB add logic to retry regular search if Unix search

			rejected unexpectedly by server */
@@ -4457,7 +4457,7 @@ int CIFSFindNext(const unsigned int xid, struct cifs_tcon *tcon, 


	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,

			(struct smb_hdr *) pSMBr, &bytes_returned, 0);

	cifs_stats_inc(&tcon->num_fnext);

	cifs_stats_inc(&tcon->stats.cifs_stats.num_fnext);

	if (rc) {

		if (rc == -EBADF) {

			psrch_inf->endOfSearch = true;
@@ -4548,7 +4548,7 @@ CIFSFindClose(const unsigned int xid, struct cifs_tcon *tcon, 
	if (rc)

		cERROR(1, "Send error in FindClose = %d", rc);



	cifs_stats_inc(&tcon->num_fclose);

	cifs_stats_inc(&tcon->stats.cifs_stats.num_fclose);



	/* Since session is dead, search handle closed on server already */

	if (rc == -EAGAIN)

fs/cifs/misc.c

+1 −1
Original line number Diff line number Diff line
@@ -461,7 +461,7 @@ is_valid_oplock_break(char *buffer, struct TCP_Server_Info *srv) 
			if (tcon->tid != buf->Tid)

				continue;



			cifs_stats_inc(&tcon->num_oplock_brks);

			cifs_stats_inc(&tcon->stats.cifs_stats.num_oplock_brks);

			spin_lock(&cifs_file_list_lock);

			list_for_each(tmp2, &tcon->openFileList) {

				netfile = list_entry(tmp2, struct cifsFileInfo,

fs/cifs/smb1ops.c

+68 −0
Original line number Diff line number Diff line
@@ -520,6 +520,72 @@ cifs_build_path_to_root(struct smb_vol *vol, struct cifs_sb_info *cifs_sb, 
	return full_path;

}



static void

cifs_clear_stats(struct cifs_tcon *tcon)

{

#ifdef CONFIG_CIFS_STATS

	atomic_set(&tcon->stats.cifs_stats.num_writes, 0);

	atomic_set(&tcon->stats.cifs_stats.num_reads, 0);

	atomic_set(&tcon->stats.cifs_stats.num_flushes, 0);

	atomic_set(&tcon->stats.cifs_stats.num_oplock_brks, 0);

	atomic_set(&tcon->stats.cifs_stats.num_opens, 0);

	atomic_set(&tcon->stats.cifs_stats.num_posixopens, 0);

	atomic_set(&tcon->stats.cifs_stats.num_posixmkdirs, 0);

	atomic_set(&tcon->stats.cifs_stats.num_closes, 0);

	atomic_set(&tcon->stats.cifs_stats.num_deletes, 0);

	atomic_set(&tcon->stats.cifs_stats.num_mkdirs, 0);

	atomic_set(&tcon->stats.cifs_stats.num_rmdirs, 0);

	atomic_set(&tcon->stats.cifs_stats.num_renames, 0);

	atomic_set(&tcon->stats.cifs_stats.num_t2renames, 0);

	atomic_set(&tcon->stats.cifs_stats.num_ffirst, 0);

	atomic_set(&tcon->stats.cifs_stats.num_fnext, 0);

	atomic_set(&tcon->stats.cifs_stats.num_fclose, 0);

	atomic_set(&tcon->stats.cifs_stats.num_hardlinks, 0);

	atomic_set(&tcon->stats.cifs_stats.num_symlinks, 0);

	atomic_set(&tcon->stats.cifs_stats.num_locks, 0);

	atomic_set(&tcon->stats.cifs_stats.num_acl_get, 0);

	atomic_set(&tcon->stats.cifs_stats.num_acl_set, 0);

#endif

}



static void

cifs_print_stats(struct seq_file *m, struct cifs_tcon *tcon)

{

#ifdef CONFIG_CIFS_STATS

	seq_printf(m, " Oplocks breaks: %d",

		   atomic_read(&tcon->stats.cifs_stats.num_oplock_brks));

	seq_printf(m, "\nReads:  %d Bytes: %llu",

		   atomic_read(&tcon->stats.cifs_stats.num_reads),

		   (long long)(tcon->bytes_read));

	seq_printf(m, "\nWrites: %d Bytes: %llu",

		   atomic_read(&tcon->stats.cifs_stats.num_writes),

		   (long long)(tcon->bytes_written));

	seq_printf(m, "\nFlushes: %d",

		   atomic_read(&tcon->stats.cifs_stats.num_flushes));

	seq_printf(m, "\nLocks: %d HardLinks: %d Symlinks: %d",

		   atomic_read(&tcon->stats.cifs_stats.num_locks),

		   atomic_read(&tcon->stats.cifs_stats.num_hardlinks),

		   atomic_read(&tcon->stats.cifs_stats.num_symlinks));

	seq_printf(m, "\nOpens: %d Closes: %d Deletes: %d",

		   atomic_read(&tcon->stats.cifs_stats.num_opens),

		   atomic_read(&tcon->stats.cifs_stats.num_closes),

		   atomic_read(&tcon->stats.cifs_stats.num_deletes));

	seq_printf(m, "\nPosix Opens: %d Posix Mkdirs: %d",

		   atomic_read(&tcon->stats.cifs_stats.num_posixopens),

		   atomic_read(&tcon->stats.cifs_stats.num_posixmkdirs));

	seq_printf(m, "\nMkdirs: %d Rmdirs: %d",

		   atomic_read(&tcon->stats.cifs_stats.num_mkdirs),

		   atomic_read(&tcon->stats.cifs_stats.num_rmdirs));

	seq_printf(m, "\nRenames: %d T2 Renames %d",

		   atomic_read(&tcon->stats.cifs_stats.num_renames),

		   atomic_read(&tcon->stats.cifs_stats.num_t2renames));

	seq_printf(m, "\nFindFirst: %d FNext %d FClose %d",

		   atomic_read(&tcon->stats.cifs_stats.num_ffirst),

		   atomic_read(&tcon->stats.cifs_stats.num_fnext),

		   atomic_read(&tcon->stats.cifs_stats.num_fclose));

#endif

}



struct smb_version_operations smb1_operations = {

	.send_cancel = send_nt_cancel,

	.compare_fids = cifs_compare_fids,
@@ -537,6 +603,8 @@ struct smb_version_operations smb1_operations = { 
	.find_mid = cifs_find_mid,

	.check_message = checkSMB,

	.dump_detail = cifs_dump_detail,

	.clear_stats = cifs_clear_stats,

	.print_stats = cifs_print_stats,

	.is_oplock_break = is_valid_oplock_break,

	.check_trans2 = cifs_check_trans2,

	.need_neg = cifs_need_neg,