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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
hifive-unleashed-5.1
Linus Torvalds 2010-10-01 15:03:37 -07:00
parent f4a3330d76 f569599ae7
commit c6ea21e35b
2 changed files with 35 additions and 16 deletions
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49
fs/cifs/cifssmb.c
View File

@ -232,7 +232,7 @@ static int
small_smb_init(int smb_command, int wct, struct cifsTconInfo *tcon,
void **request_buf)
{
int rc = 0;
int rc;
rc = cifs_reconnect_tcon(tcon, smb_command);
if (rc)
@ -250,7 +250,7 @@ small_smb_init(int smb_command, int wct, struct cifsTconInfo *tcon,
if (tcon != NULL)
cifs_stats_inc(&tcon->num_smbs_sent);
return rc;
return 0;
}
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 */
static int
smb_init(int smb_command, int wct, struct cifsTconInfo *tcon,
void **request_buf /* returned */ ,
void **response_buf /* returned */ )
__smb_init(int smb_command, int wct, struct cifsTconInfo *tcon,
void **request_buf, void **response_buf)
{
int rc = 0;
rc = cifs_reconnect_tcon(tcon, smb_command);
if (rc)
return rc;
*request_buf = cifs_buf_get();
if (*request_buf == NULL) {
/* 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)
cifs_stats_inc(&tcon->num_smbs_sent);
return rc;
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 __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)
@ -4534,8 +4551,8 @@ CIFSSMBQFSUnixInfo(const int xid, struct cifsTconInfo *tcon)
cFYI(1, "In QFSUnixInfo");
QFSUnixRetry:
rc = smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB,
(void **) &pSMBr);
rc = smb_init_no_reconnect(SMB_COM_TRANSACTION2, 15, tcon,
(void **) &pSMB, (void **) &pSMBr);
if (rc)
return rc;
@ -4604,8 +4621,8 @@ CIFSSMBSetFSUnixInfo(const int xid, struct cifsTconInfo *tcon, __u64 cap)
cFYI(1, "In SETFSUnixInfo");
SETFSUnixRetry:
/* BB switch to small buf init to save memory */
rc = smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB,
(void **) &pSMBr);
rc = smb_init_no_reconnect(SMB_COM_TRANSACTION2, 15, tcon,
(void **) &pSMB, (void **) &pSMBr);
if (rc)
return rc;

2
fs/cifs/inode.c
View File

@ -801,6 +801,8 @@ retry_iget5_locked:
inode->i_flags |= S_NOATIME | S_NOCMTIME;
if (inode->i_state & I_NEW) {
inode->i_ino = hash;
if (S_ISREG(inode->i_mode))
inode->i_data.backing_dev_info = sb->s_bdi;
#ifdef CONFIG_CIFS_FSCACHE
/* initialize per-inode cache cookie pointer */
CIFS_I(inode)->fscache = NULL;