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CIFS: Move getting dfs referalls to ops struct

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Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org>
Signed-off-by: Steve French <smfrench@gmail.com>
This commit is contained in:
Pavel Shilovsky 2012-05-27 20:21:53 +04:00
parent aa24d1e969
commit b669f33ca6
5 changed files with 27 additions and 22 deletions
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5
fs/cifs/cifsglob.h
View File

@ -162,6 +162,7 @@ struct TCP_Server_Info;
struct cifsFileInfo;
struct cifs_ses;
struct cifs_tcon;
struct dfs_info3_param;
struct smb_version_operations {
int (*send_cancel)(struct TCP_Server_Info *, void *,
@ -208,6 +209,10 @@ struct smb_version_operations {
struct cifs_tcon *, const struct nls_table *);
/* close tree connecion */
int (*tree_disconnect)(const unsigned int, struct cifs_tcon *);
/* get DFS referrals */
int (*get_dfs_refer)(const unsigned int, struct cifs_ses *,
const char *, struct dfs_info3_param **,
unsigned int *, const struct nls_table *, int);
};
struct smb_version_values {

15
fs/cifs/cifsproto.h
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@ -226,17 +226,16 @@ extern int CIFSSMBUnixQPathInfo(const unsigned int xid,
const struct nls_table *nls_codepage, int remap);
extern int CIFSGetDFSRefer(const unsigned int xid, struct cifs_ses *ses,
const unsigned char *searchName,
struct dfs_info3_param **target_nodes,
unsigned int *number_of_nodes_in_array,
const struct nls_table *nls_codepage, int remap);
const char *search_name,
struct dfs_info3_param **target_nodes,
unsigned int *num_of_nodes,
const struct nls_table *nls_codepage, int remap);
extern int get_dfs_path(unsigned int xid, struct cifs_ses *pSesInfo,
extern int get_dfs_path(const unsigned int xid, struct cifs_ses *ses,
const char *old_path,
const struct nls_table *nls_codepage,
unsigned int *pnum_referrals,
struct dfs_info3_param **preferrals,
int remap);
unsigned int *num_referrals,
struct dfs_info3_param **referrals, int remap);
extern void reset_cifs_unix_caps(unsigned int xid, struct cifs_tcon *tcon,
struct cifs_sb_info *cifs_sb,
struct smb_vol *vol);

13
fs/cifs/cifssmb.c
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@ -4766,8 +4766,7 @@ parse_DFS_referrals(TRANSACTION2_GET_DFS_REFER_RSP *pSMBr,
int
CIFSGetDFSRefer(const unsigned int xid, struct cifs_ses *ses,
const unsigned char *searchName,
struct dfs_info3_param **target_nodes,
const char *search_name, struct dfs_info3_param **target_nodes,
unsigned int *num_of_nodes,
const struct nls_table *nls_codepage, int remap)
{
@ -4781,7 +4780,7 @@ CIFSGetDFSRefer(const unsigned int xid, struct cifs_ses *ses,
*num_of_nodes = 0;
*target_nodes = NULL;
cFYI(1, "In GetDFSRefer the path %s", searchName);
cFYI(1, "In GetDFSRefer the path %s", search_name);
if (ses == NULL)
return -ENODEV;
getDFSRetry:
@ -4804,14 +4803,14 @@ CIFSGetDFSRefer(const unsigned int xid, struct cifs_ses *ses,
pSMB->hdr.Flags2 |= SMBFLG2_UNICODE;
name_len =
cifsConvertToUTF16((__le16 *) pSMB->RequestFileName,
searchName, PATH_MAX, nls_codepage,
search_name, PATH_MAX, nls_codepage,
remap);
name_len++; /* trailing null */
name_len *= 2;
} else { /* BB improve the check for buffer overruns BB */
name_len = strnlen(searchName, PATH_MAX);
name_len = strnlen(search_name, PATH_MAX);
name_len++; /* trailing null */
strncpy(pSMB->RequestFileName, searchName, name_len);
strncpy(pSMB->RequestFileName, search_name, name_len);
}
if (ses->server) {
@ -4867,7 +4866,7 @@ CIFSGetDFSRefer(const unsigned int xid, struct cifs_ses *ses,
/* parse returned result into more usable form */
rc = parse_DFS_referrals(pSMBr, num_of_nodes,
target_nodes, nls_codepage, remap,
searchName);
search_name);
GetDFSRefExit:
cifs_buf_release(pSMB);

15
fs/cifs/connect.c
View File

@ -2767,14 +2767,14 @@ cifs_match_super(struct super_block *sb, void *data)
}
int
get_dfs_path(unsigned int xid, struct cifs_ses *ses, const char *old_path,
get_dfs_path(const unsigned int xid, struct cifs_ses *ses, const char *old_path,
const struct nls_table *nls_codepage, unsigned int *num_referrals,
struct dfs_info3_param **referrals, int remap)
{
char *temp_unc;
int rc = 0;
if (!ses->server->ops->tree_connect)
if (!ses->server->ops->tree_connect || !ses->server->ops->get_dfs_refer)
return -ENOSYS;
*num_referrals = 0;
@ -2796,11 +2796,12 @@ get_dfs_path(unsigned int xid, struct cifs_ses *ses, const char *old_path,
kfree(temp_unc);
}
if (rc == 0)
rc = CIFSGetDFSRefer(xid, ses, old_path, referrals,
num_referrals, nls_codepage, remap);
rc = ses->server->ops->get_dfs_refer(xid, ses, old_path,
referrals, num_referrals,
nls_codepage, remap);
/*
* BB - map targetUNCs to dfs_info3 structures, here or in
* CIFSGetDFSRefer.
* ses->server->ops->get_dfs_refer.
*/
return rc;
@ -3488,7 +3489,7 @@ build_unc_path_to_root(const struct smb_vol *vol,
* determine whether there were referrals.
*/
static int
expand_dfs_referral(unsigned int xid, struct cifs_ses *pSesInfo,
expand_dfs_referral(const unsigned int xid, struct cifs_ses *ses,
struct smb_vol *volume_info, struct cifs_sb_info *cifs_sb,
int check_prefix)
{
@ -3504,7 +3505,7 @@ expand_dfs_referral(unsigned int xid, struct cifs_ses *pSesInfo,
/* For DFS paths, skip the first '\' of the UNC */
ref_path = check_prefix ? full_path + 1 : volume_info->UNC + 1;
rc = get_dfs_path(xid, pSesInfo , ref_path, cifs_sb->local_nls,
rc = get_dfs_path(xid, ses, ref_path, cifs_sb->local_nls,
&num_referrals, &referrals,
cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);

1
fs/cifs/smb1ops.c
View File

@ -434,6 +434,7 @@ struct smb_version_operations smb1_operations = {
.logoff = CIFSSMBLogoff,
.tree_connect = CIFSTCon,
.tree_disconnect = CIFSSMBTDis,
.get_dfs_refer = CIFSGetDFSRefer,
};
struct smb_version_values smb1_values = {