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Commit c6ea21e3 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6 

* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6:
  cifs: prevent infinite recursion in cifs_reconnect_tcon
  cifs: set backing_dev_info on new S_ISREG inodes
parents f4a3330d f569599a

fs/cifs/cifssmb.c

+33 −16
Original line number Original line Diff line number Diff line
@@ -232,7 +232,7 @@ static int 
small_smb_init(int smb_command, int wct, struct cifsTconInfo *tcon,

small_smb_init(int smb_command, int wct, struct cifsTconInfo *tcon,

		void **request_buf)

		void **request_buf)

{

{

	int rc = 0;

	int rc;





	rc = cifs_reconnect_tcon(tcon, smb_command);

	rc = cifs_reconnect_tcon(tcon, smb_command);

	if (rc)

	if (rc)
@@ -250,7 +250,7 @@ small_smb_init(int smb_command, int wct, struct cifsTconInfo *tcon, 
	if (tcon != NULL)

	if (tcon != NULL)

		cifs_stats_inc(&tcon->num_smbs_sent);

		cifs_stats_inc(&tcon->num_smbs_sent);





	return rc;

	return 0;

}

}





int

int
@@ -281,16 +281,9 @@ small_smb_init_no_tc(const int smb_command, const int wct, 




/* If the return code is zero, this function must fill in request_buf pointer */

/* If the return code is zero, this function must fill in request_buf pointer */

static int

static int

smb_init(int smb_command, int wct, struct cifsTconInfo *tcon,

__smb_init(int smb_command, int wct, struct cifsTconInfo *tcon,

	 void **request_buf /* returned */ ,

			void **request_buf, void **response_buf)

	 void **response_buf /* returned */ )

{

{

	int rc = 0;



	rc = cifs_reconnect_tcon(tcon, smb_command);

	if (rc)

		return rc;



	*request_buf = cifs_buf_get();

	*request_buf = cifs_buf_get();

	if (*request_buf == NULL) {

	if (*request_buf == NULL) {

		/* BB should we add a retry in here if not a writepage? */

		/* BB should we add a retry in here if not a writepage? */
@@ -309,7 +302,31 @@ smb_init(int smb_command, int wct, struct cifsTconInfo *tcon, 
	if (tcon != NULL)

	if (tcon != NULL)

		cifs_stats_inc(&tcon->num_smbs_sent);

		cifs_stats_inc(&tcon->num_smbs_sent);





	return 0;

}



/* If the return code is zero, this function must fill in request_buf pointer */

static int

smb_init(int smb_command, int wct, struct cifsTconInfo *tcon,

	 void **request_buf, void **response_buf)

{

	int rc;



	rc = cifs_reconnect_tcon(tcon, smb_command);

	if (rc)

		return rc;

		return rc;



	return __smb_init(smb_command, wct, tcon, request_buf, response_buf);

}



static int

smb_init_no_reconnect(int smb_command, int wct, struct cifsTconInfo *tcon,

			void **request_buf, void **response_buf)

{

	if (tcon->ses->need_reconnect || tcon->need_reconnect)

		return -EHOSTDOWN;



	return __smb_init(smb_command, wct, tcon, request_buf, response_buf);

}

}





static int validate_t2(struct smb_t2_rsp *pSMB)

static int validate_t2(struct smb_t2_rsp *pSMB)
@@ -4534,8 +4551,8 @@ CIFSSMBQFSUnixInfo(const int xid, struct cifsTconInfo *tcon) 




	cFYI(1, "In QFSUnixInfo");

	cFYI(1, "In QFSUnixInfo");

QFSUnixRetry:

QFSUnixRetry:

	rc = smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB,

	rc = smb_init_no_reconnect(SMB_COM_TRANSACTION2, 15, tcon,

		      (void **) &pSMBr);

				   (void **) &pSMB, (void **) &pSMBr);

	if (rc)

	if (rc)

		return rc;

		return rc;
@@ -4604,8 +4621,8 @@ CIFSSMBSetFSUnixInfo(const int xid, struct cifsTconInfo *tcon, __u64 cap) 
	cFYI(1, "In SETFSUnixInfo");

	cFYI(1, "In SETFSUnixInfo");

SETFSUnixRetry:

SETFSUnixRetry:

	/* BB switch to small buf init to save memory */

	/* BB switch to small buf init to save memory */

	rc = smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB,

	rc = smb_init_no_reconnect(SMB_COM_TRANSACTION2, 15, tcon,

		      (void **) &pSMBr);

					(void **) &pSMB, (void **) &pSMBr);

	if (rc)

	if (rc)

		return rc;

		return rc;

fs/cifs/inode.c

+2 −0
Original line number Original line Diff line number Diff line
@@ -801,6 +801,8 @@ cifs_iget(struct super_block *sb, struct cifs_fattr *fattr) 
			inode->i_flags |= S_NOATIME | S_NOCMTIME;

			inode->i_flags |= S_NOATIME | S_NOCMTIME;

		if (inode->i_state & I_NEW) {

		if (inode->i_state & I_NEW) {

			inode->i_ino = hash;

			inode->i_ino = hash;

			if (S_ISREG(inode->i_mode))

				inode->i_data.backing_dev_info = sb->s_bdi;

#ifdef CONFIG_CIFS_FSCACHE

#ifdef CONFIG_CIFS_FSCACHE

			/* initialize per-inode cache cookie pointer */

			/* initialize per-inode cache cookie pointer */

			CIFS_I(inode)->fscache = NULL;

			CIFS_I(inode)->fscache = NULL;