本文整理汇总了C++中CIFSSMBClose函数的典型用法代码示例。如果您正苦于以下问题：C++ CIFSSMBClose函数的具体用法？C++ CIFSSMBClose怎么用？C++ CIFSSMBClose使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了CIFSSMBClose函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。
示例1: CIFSQueryMFSymLink
static int
CIFSQueryMFSymLink(const int xid, struct cifs_tcon *tcon,
const unsigned char *searchName, char **symlinkinfo,
const struct nls_table *nls_codepage, int remap)
{
int rc;
int oplock = 0;
__u16 netfid = 0;
u8 *buf;
char *pbuf;
unsigned int bytes_read = 0;
int buf_type = CIFS_NO_BUFFER;
unsigned int link_len = 0;
struct cifs_io_parms io_parms;
FILE_ALL_INFO file_info;
rc = CIFSSMBOpen(xid, tcon, searchName, FILE_OPEN, GENERIC_READ,
CREATE_NOT_DIR, &netfid, &oplock, &file_info,
nls_codepage, remap);
if (rc != 0)
return rc;
if (file_info.EndOfFile != cpu_to_le64(CIFS_MF_SYMLINK_FILE_SIZE)) {
CIFSSMBClose(xid, tcon, netfid);
/* it's not a symlink */
return -EINVAL;
}
buf = kmalloc(CIFS_MF_SYMLINK_FILE_SIZE, GFP_KERNEL);
if (!buf)
return -ENOMEM;
pbuf = buf;
io_parms.netfid = netfid;
io_parms.pid = current->tgid;
io_parms.tcon = tcon;
io_parms.offset = 0;
io_parms.length = CIFS_MF_SYMLINK_FILE_SIZE;
rc = CIFSSMBRead(xid, &io_parms, &bytes_read, &pbuf, &buf_type);
CIFSSMBClose(xid, tcon, netfid);
if (rc != 0) {
kfree(buf);
return rc;
}
rc = CIFSParseMFSymlink(buf, bytes_read, &link_len, symlinkinfo);
kfree(buf);
if (rc != 0)
return rc;
return 0;
}
开发者ID:0xroot，项目名称:Blackphone-BP1-Kernel，代码行数:52，代码来源:link.c
示例2: cifs_sb_tlink
static struct cifs_ntsd *get_cifs_acl_by_path(struct cifs_sb_info *cifs_sb,
const char *path, u32 *pacllen)
{
struct cifs_ntsd *pntsd = NULL;
int oplock = 0;
int xid, rc, create_options = 0;
__u16 fid;
struct cifs_tcon *tcon;
struct tcon_link *tlink = cifs_sb_tlink(cifs_sb);
if (IS_ERR(tlink))
return ERR_CAST(tlink);
tcon = tlink_tcon(tlink);
xid = GetXid();
if (backup_cred(cifs_sb))
create_options |= CREATE_OPEN_BACKUP_INTENT;
rc = CIFSSMBOpen(xid, tcon, path, FILE_OPEN, READ_CONTROL,
create_options, &fid, &oplock, NULL, cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
if (!rc) {
rc = CIFSSMBGetCIFSACL(xid, tcon, fid, &pntsd, pacllen);
CIFSSMBClose(xid, tcon, fid);
}
cifs_put_tlink(tlink);
FreeXid(xid);
cFYI(1, "%s: rc = %d ACL len %d", __func__, rc, *pacllen);
if (rc)
return ERR_PTR(rc);
return pntsd;
}
开发者ID:MiniBlu，项目名称:cm11_kernel_htc_msm8974a3ul，代码行数:35，代码来源:cifsacl.c
示例3: GetXid
static struct cifs_ntsd *get_cifs_acl_by_path(struct cifs_sb_info *cifs_sb,
const char *path, u32 *pacllen)
{
struct cifs_ntsd *pntsd = NULL;
int oplock = 0;
int xid, rc;
__u16 fid;
xid = GetXid();
rc = CIFSSMBOpen(xid, cifs_sb->tcon, path, FILE_OPEN, READ_CONTROL, 0,
&fid, &oplock, NULL, cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
if (rc) {
cERROR(1, "Unable to open file to get ACL");
goto out;
}
rc = CIFSSMBGetCIFSACL(xid, cifs_sb->tcon, fid, &pntsd, pacllen);
cFYI(1, "GetCIFSACL rc = %d ACL len %d", rc, *pacllen);
CIFSSMBClose(xid, cifs_sb->tcon, fid);
out:
FreeXid(xid);
return pntsd;
}
开发者ID:flwh，项目名称:Alcatel_OT_985_kernel，代码行数:26，代码来源:cifsacl.c
示例4: set_cifs_acl_by_path
static int set_cifs_acl_by_path(struct cifs_sb_info *cifs_sb, const char *path,
struct cifs_ntsd *pnntsd, u32 acllen)
{
int oplock = 0;
int xid, rc;
__u16 fid;
xid = GetXid();
rc = CIFSSMBOpen(xid, cifs_sb->tcon, path, FILE_OPEN, WRITE_DAC, 0,
&fid, &oplock, NULL, cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
if (rc) {
cERROR(1, "Unable to open file to set ACL");
goto out;
}
rc = CIFSSMBSetCIFSACL(xid, cifs_sb->tcon, fid, pnntsd, acllen);
cFYI(DBG2, "SetCIFSACL rc = %d", rc);
CIFSSMBClose(xid, cifs_sb->tcon, fid);
out:
FreeXid(xid);
return rc;
}
开发者ID:flwh，项目名称:Alcatel_OT_985_kernel，代码行数:25，代码来源:cifsacl.c
示例5: cFYI
/* Retrieve an ACL from the server */
static struct cifs_ntsd *get_cifs_acl(u32 *pacllen, struct inode *inode,
const char *path, const __u16 *pfid)
{
struct cifsFileInfo *open_file = NULL;
bool unlock_file = false;
int xid;
int rc = -EIO;
__u16 fid;
struct super_block *sb;
struct cifs_sb_info *cifs_sb;
struct cifs_ntsd *pntsd = NULL;
cFYI(1, ("get mode from ACL for %s", path));
if (inode == NULL)
return NULL;
xid = GetXid();
if (pfid == NULL)
open_file = find_readable_file(CIFS_I(inode));
else
fid = *pfid;
sb = inode->i_sb;
if (sb == NULL) {
FreeXid(xid);
return NULL;
}
cifs_sb = CIFS_SB(sb);
if (open_file) {
unlock_file = true;
fid = open_file->netfid;
} else if (pfid == NULL) {
int oplock = 0;
/* open file */
rc = CIFSSMBOpen(xid, cifs_sb->tcon, path, FILE_OPEN,
READ_CONTROL, 0, &fid, &oplock, NULL,
cifs_sb->local_nls, cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
if (rc != 0) {
cERROR(1, ("Unable to open file to get ACL"));
FreeXid(xid);
return NULL;
}
}
rc = CIFSSMBGetCIFSACL(xid, cifs_sb->tcon, fid, &pntsd, pacllen);
cFYI(1, ("GetCIFSACL rc = %d ACL len %d", rc, *pacllen));
if (unlock_file == true) /* find_readable_file increments ref count */
atomic_dec(&open_file->wrtPending);
else if (pfid == NULL) /* if opened above we have to close the handle */
CIFSSMBClose(xid, cifs_sb->tcon, fid);
/* else handle was passed in by caller */
FreeXid(xid);
return pntsd;
}
开发者ID:458941968，项目名称:mini2440-kernel-2.6.29，代码行数:59，代码来源:cifsacl.c
示例6: CIFSCreateMFSymLink
static int
CIFSCreateMFSymLink(const int xid, struct cifs_tcon *tcon,
const char *fromName, const char *toName,
struct cifs_sb_info *cifs_sb)
{
int rc;
int oplock = 0;
int remap;
int create_options = CREATE_NOT_DIR;
__u16 netfid = 0;
u8 *buf;
unsigned int bytes_written = 0;
struct cifs_io_parms io_parms;
struct nls_table *nls_codepage;
nls_codepage = cifs_sb->local_nls;
remap = cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR;
buf = kmalloc(CIFS_MF_SYMLINK_FILE_SIZE, GFP_KERNEL);
if (!buf)
return -ENOMEM;
rc = CIFSFormatMFSymlink(buf, CIFS_MF_SYMLINK_FILE_SIZE, toName);
if (rc != 0) {
kfree(buf);
return rc;
}
if (backup_cred(cifs_sb))
create_options |= CREATE_OPEN_BACKUP_INTENT;
rc = CIFSSMBOpen(xid, tcon, fromName, FILE_CREATE, GENERIC_WRITE,
create_options, &netfid, &oplock, NULL,
nls_codepage, remap);
if (rc != 0) {
kfree(buf);
return rc;
}
io_parms.netfid = netfid;
io_parms.pid = current->tgid;
io_parms.tcon = tcon;
io_parms.offset = 0;
io_parms.length = CIFS_MF_SYMLINK_FILE_SIZE;
rc = CIFSSMBWrite(xid, &io_parms, &bytes_written, buf, NULL, 0);
CIFSSMBClose(xid, tcon, netfid);
kfree(buf);
if (rc != 0)
return rc;
if (bytes_written != CIFS_MF_SYMLINK_FILE_SIZE)
return -EIO;
return 0;
}
开发者ID:0xroot，项目名称:Blackphone-BP1-Kernel，代码行数:56，代码来源:link.c
示例7: set_cifs_acl
/* Set an ACL on the server */
static int set_cifs_acl(struct cifs_ntsd *pnntsd, __u32 acllen,
struct inode *inode, const char *path)
{
struct cifsFileInfo *open_file;
bool unlock_file = false;
int xid;
int rc = -EIO;
__u16 fid;
struct super_block *sb;
struct cifs_sb_info *cifs_sb;
cFYI(DBG2, ("set ACL for %s from mode 0x%x", path, inode->i_mode));
if (!inode)
return rc;
sb = inode->i_sb;
if (sb == NULL)
return rc;
cifs_sb = CIFS_SB(sb);
xid = GetXid();
open_file = find_readable_file(CIFS_I(inode));
if (open_file) {
unlock_file = true;
fid = open_file->netfid;
} else {
int oplock = 0;
/* open file */
rc = CIFSSMBOpen(xid, cifs_sb->tcon, path, FILE_OPEN,
WRITE_DAC, 0, &fid, &oplock, NULL,
cifs_sb->local_nls, cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
if (rc != 0) {
cERROR(1, ("Unable to open file to set ACL"));
FreeXid(xid);
return rc;
}
}
rc = CIFSSMBSetCIFSACL(xid, cifs_sb->tcon, fid, pnntsd, acllen);
cFYI(DBG2, ("SetCIFSACL rc = %d", rc));
if (unlock_file)
atomic_dec(&open_file->wrtPending);
else
CIFSSMBClose(xid, cifs_sb->tcon, fid);
FreeXid(xid);
return rc;
}
开发者ID:458941968，项目名称:mini2440-kernel-2.6.29，代码行数:53，代码来源:cifsacl.c
示例8: set_cifs_acl
/* Set an ACL on the server */
int set_cifs_acl(struct cifs_ntsd *pnntsd, __u32 acllen,
struct inode *inode, const char *path, int aclflag)
{
int oplock = 0;
unsigned int xid;
int rc, access_flags, create_options = 0;
struct cifs_tcon *tcon;
struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
struct tcon_link *tlink = cifs_sb_tlink(cifs_sb);
struct cifs_fid fid;
struct cifs_open_parms oparms;
if (IS_ERR(tlink))
return PTR_ERR(tlink);
tcon = tlink_tcon(tlink);
xid = get_xid();
if (backup_cred(cifs_sb))
create_options |= CREATE_OPEN_BACKUP_INTENT;
if (aclflag == CIFS_ACL_OWNER || aclflag == CIFS_ACL_GROUP)
access_flags = WRITE_OWNER;
else
access_flags = WRITE_DAC;
oparms.tcon = tcon;
oparms.cifs_sb = cifs_sb;
oparms.desired_access = access_flags;
oparms.share_access = FILE_SHARE_ALL;
oparms.create_options = create_options;
oparms.disposition = FILE_OPEN;
oparms.path = path;
oparms.fid = &fid;
oparms.reconnect = false;
rc = CIFS_open(xid, &oparms, &oplock, NULL);
if (rc) {
cifs_dbg(VFS, "Unable to open file to set ACL\n");
goto out;
}
rc = CIFSSMBSetCIFSACL(xid, tcon, fid.netfid, pnntsd, acllen, aclflag);
cifs_dbg(NOISY, "SetCIFSACL rc = %d\n", rc);
CIFSSMBClose(xid, tcon, fid.netfid);
out:
free_xid(xid);
cifs_put_tlink(tlink);
return rc;
}
开发者ID:piastry，项目名称:etercifs，代码行数:52，代码来源:cifsacl.c
示例9: CIFSCreateMFSymLink
static int
CIFSCreateMFSymLink(const int xid, struct cifs_tcon *tcon,
const char *fromName, const char *toName,
const struct nls_table *nls_codepage, int remap)
{
int rc;
int oplock = 0;
__u16 netfid = 0;
u8 *buf;
unsigned int bytes_written = 0;
struct cifs_io_parms io_parms;
buf = kmalloc(CIFS_MF_SYMLINK_FILE_SIZE, GFP_KERNEL);
if (!buf)
return -ENOMEM;
rc = CIFSFormatMFSymlink(buf, CIFS_MF_SYMLINK_FILE_SIZE, toName);
if (rc != 0) {
kfree(buf);
return rc;
}
rc = CIFSSMBOpen(xid, tcon, fromName, FILE_CREATE, GENERIC_WRITE,
CREATE_NOT_DIR, &netfid, &oplock, NULL,
nls_codepage, remap);
if (rc != 0) {
kfree(buf);
return rc;
}
io_parms.netfid = netfid;
io_parms.pid = current->tgid;
io_parms.tcon = tcon;
io_parms.offset = 0;
io_parms.length = CIFS_MF_SYMLINK_FILE_SIZE;
rc = CIFSSMBWrite(xid, &io_parms, &bytes_written, buf, NULL, 0);
CIFSSMBClose(xid, tcon, netfid);
kfree(buf);
if (rc != 0)
return rc;
if (bytes_written != CIFS_MF_SYMLINK_FILE_SIZE)
return -EIO;
return 0;
}
开发者ID:novic，项目名称:AniDroid-Hardened-Kernel，代码行数:47，代码来源:link.c
示例10: cifs_sb_tlink
static struct cifs_ntsd *get_cifs_acl_by_path(struct cifs_sb_info *cifs_sb,
const char *path, u32 *pacllen)
{
struct cifs_ntsd *pntsd = NULL;
int oplock = 0;
unsigned int xid;
int rc, create_options = 0;
struct cifs_tcon *tcon;
struct tcon_link *tlink = cifs_sb_tlink(cifs_sb);
struct cifs_fid fid;
struct cifs_open_parms oparms;
if (IS_ERR(tlink))
return ERR_CAST(tlink);
tcon = tlink_tcon(tlink);
xid = get_xid();
if (backup_cred(cifs_sb))
create_options |= CREATE_OPEN_BACKUP_INTENT;
oparms.tcon = tcon;
oparms.cifs_sb = cifs_sb;
oparms.desired_access = READ_CONTROL;
oparms.share_access = FILE_SHARE_ALL;
oparms.create_options = create_options;
oparms.disposition = FILE_OPEN;
oparms.path = path;
oparms.fid = &fid;
oparms.reconnect = false;
rc = CIFS_open(xid, &oparms, &oplock, NULL);
if (!rc) {
rc = CIFSSMBGetCIFSACL(xid, tcon, fid.netfid, &pntsd, pacllen);
CIFSSMBClose(xid, tcon, fid.netfid);
}
cifs_put_tlink(tlink);
free_xid(xid);
cifs_dbg(FYI, "%s: rc = %d ACL len %d\n", __func__, rc, *pacllen);
if (rc)
return ERR_PTR(rc);
return pntsd;
}
开发者ID:piastry，项目名称:etercifs，代码行数:45，代码来源:cifsacl.c
示例11: cifs_query_mf_symlink
int
cifs_query_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
struct cifs_sb_info *cifs_sb, const unsigned char *path,
char *pbuf, unsigned int *pbytes_read)
{
int rc;
int oplock = 0;
struct cifs_fid fid;
struct cifs_open_parms oparms;
struct cifs_io_parms io_parms;
int buf_type = CIFS_NO_BUFFER;
FILE_ALL_INFO file_info;
oparms.tcon = tcon;
oparms.cifs_sb = cifs_sb;
oparms.desired_access = GENERIC_READ;
oparms.create_options = CREATE_NOT_DIR;
oparms.disposition = FILE_OPEN;
oparms.path = path;
oparms.fid = &fid;
oparms.reconnect = false;
rc = CIFS_open(xid, &oparms, &oplock, &file_info);
if (rc)
return rc;
if (file_info.EndOfFile != cpu_to_le64(CIFS_MF_SYMLINK_FILE_SIZE)) {
rc = -ENOENT;
/* it's not a symlink */
goto out;
}
io_parms.netfid = fid.netfid;
io_parms.pid = current->tgid;
io_parms.tcon = tcon;
io_parms.offset = 0;
io_parms.length = CIFS_MF_SYMLINK_FILE_SIZE;
rc = CIFSSMBRead(xid, &io_parms, pbytes_read, &pbuf, &buf_type);
out:
CIFSSMBClose(xid, tcon, fid.netfid);
return rc;
}
开发者ID:acton393，项目名称:linux，代码行数:43，代码来源:link.c
示例12: set_cifs_acl
/* Set an ACL on the server */
int set_cifs_acl(struct cifs_ntsd *pnntsd, __u32 acllen,
struct inode *inode, const char *path, int aclflag)
{
int oplock = 0;
unsigned int xid;
int rc, access_flags, create_options = 0;
__u16 fid;
struct cifs_tcon *tcon;
struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
struct tcon_link *tlink = cifs_sb_tlink(cifs_sb);
if (IS_ERR(tlink))
return PTR_ERR(tlink);
tcon = tlink_tcon(tlink);
xid = get_xid();
if (backup_cred(cifs_sb))
create_options |= CREATE_OPEN_BACKUP_INTENT;
if (aclflag == CIFS_ACL_OWNER || aclflag == CIFS_ACL_GROUP)
access_flags = WRITE_OWNER;
else
access_flags = WRITE_DAC;
rc = CIFSSMBOpen(xid, tcon, path, FILE_OPEN, access_flags,
create_options, &fid, &oplock, NULL, cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
if (rc) {
cERROR(1, "Unable to open file to set ACL");
goto out;
}
rc = CIFSSMBSetCIFSACL(xid, tcon, fid, pnntsd, acllen, aclflag);
cFYI(DBG2, "SetCIFSACL rc = %d", rc);
CIFSSMBClose(xid, tcon, fid);
out:
free_xid(xid);
cifs_put_tlink(tlink);
return rc;
}
开发者ID:SimonPe，项目名称:linux，代码行数:43，代码来源:cifsacl.c
示例13: cifs_create_mf_symlink
int
cifs_create_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
struct cifs_sb_info *cifs_sb, const unsigned char *path,
char *pbuf, unsigned int *pbytes_written)
{
int rc;
int oplock = 0;
struct cifs_fid fid;
struct cifs_open_parms oparms;
struct cifs_io_parms io_parms;
int create_options = CREATE_NOT_DIR;
if (backup_cred(cifs_sb))
create_options |= CREATE_OPEN_BACKUP_INTENT;
oparms.tcon = tcon;
oparms.cifs_sb = cifs_sb;
oparms.desired_access = GENERIC_WRITE;
oparms.share_access = FILE_SHARE_ALL;
oparms.create_options = create_options;
oparms.disposition = FILE_CREATE;
oparms.path = path;
oparms.fid = &fid;
oparms.reconnect = false;
rc = CIFS_open(xid, &oparms, &oplock, NULL);
if (rc)
return rc;
io_parms.netfid = fid.netfid;
io_parms.pid = current->tgid;
io_parms.tcon = tcon;
io_parms.offset = 0;
io_parms.length = CIFS_MF_SYMLINK_FILE_SIZE;
rc = CIFSSMBWrite(xid, &io_parms, pbytes_written, pbuf, NULL, 0);
CIFSSMBClose(xid, tcon, fid.netfid);
return rc;
}
开发者ID:piastry，项目名称:etercifs，代码行数:39，代码来源:link.c
示例14: cifs_create
int cifs_create(struct inode *inode, struct dentry *direntry, umode_t mode,
bool excl)
{
int rc;
unsigned int xid = get_xid();
/*
* BB below access is probably too much for mknod to request
* but we have to do query and setpathinfo so requesting
* less could fail (unless we want to request getatr and setatr
* permissions (only). At least for POSIX we do not have to
* request so much.
*/
unsigned oflags = O_EXCL | O_CREAT | O_RDWR;
struct tcon_link *tlink;
__u16 fileHandle;
__u32 oplock;
int created = FILE_CREATED;
cFYI(1, "cifs_create parent inode = 0x%p name is: %s and dentry = 0x%p",
inode, direntry->d_name.name, direntry);
tlink = cifs_sb_tlink(CIFS_SB(inode->i_sb));
rc = PTR_ERR(tlink);
if (IS_ERR(tlink))
goto out_free_xid;
rc = cifs_do_create(inode, direntry, xid, tlink, oflags, mode,
&oplock, &fileHandle, &created);
if (!rc)
CIFSSMBClose(xid, tlink_tcon(tlink), fileHandle);
cifs_put_tlink(tlink);
out_free_xid:
free_xid(xid);
return rc;
}
开发者ID:piastry，项目名称:etercifs，代码行数:36，代码来源:dir.c
示例15: cifs_readlink
int
cifs_readlink(struct dentry *direntry, char __user *pBuffer, int buflen)
{
struct inode *inode = direntry->d_inode;
int rc = -EACCES;
int xid;
int oplock = 0;
struct cifs_sb_info *cifs_sb;
struct cifsTconInfo *pTcon;
char *full_path = NULL;
char *tmpbuffer;
int len;
__u16 fid;
xid = GetXid();
cifs_sb = CIFS_SB(inode->i_sb);
pTcon = cifs_sb->tcon;
/* BB would it be safe against deadlock to grab this sem
even though rename itself grabs the sem and calls lookup? */
/* mutex_lock(&inode->i_sb->s_vfs_rename_mutex);*/
full_path = build_path_from_dentry(direntry);
/* mutex_unlock(&inode->i_sb->s_vfs_rename_mutex);*/
if (full_path == NULL) {
FreeXid(xid);
return -ENOMEM;
}
cFYI(1,
("Full path: %s inode = 0x%p pBuffer = 0x%p buflen = %d",
full_path, inode, pBuffer, buflen));
if (buflen > PATH_MAX)
len = PATH_MAX;
else
len = buflen;
tmpbuffer = kmalloc(len, GFP_KERNEL);
if (tmpbuffer == NULL) {
kfree(full_path);
FreeXid(xid);
return -ENOMEM;
}
/* BB add read reparse point symlink code and
Unix extensions symlink code here BB */
/* We could disable this based on pTcon->unix_ext flag instead ... but why? */
if (cifs_sb->tcon->ses->capabilities & CAP_UNIX)
rc = CIFSSMBUnixQuerySymLink(xid, pTcon, full_path,
tmpbuffer,
len - 1,
cifs_sb->local_nls);
else if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL) {
cERROR(1, ("SFU style symlinks not implemented yet"));
/* add open and read as in fs/cifs/inode.c */
} else {
rc = CIFSSMBOpen(xid, pTcon, full_path, FILE_OPEN, GENERIC_READ, FILE_SHARE_ALL,
OPEN_REPARSE_POINT, &fid, &oplock, NULL,
cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
if (!rc) {
rc = CIFSSMBQueryReparseLinkInfo(xid, pTcon, full_path,
tmpbuffer,
len - 1,
fid,
cifs_sb->local_nls);
if (CIFSSMBClose(xid, pTcon, fid)) {
cFYI(1, ("Error closing junction point "
"(open for ioctl)"));
}
/* If it is a DFS junction earlier we would have gotten
PATH_NOT_COVERED returned from server so we do
not need to request the DFS info here */
}
}
/* BB Anything else to do to handle recursive links? */
/* BB Should we be using page ops here? */
/* BB null terminate returned string in pBuffer? BB */
if (rc == 0) {
rc = vfs_readlink(direntry, pBuffer, len, tmpbuffer);
cFYI(1,
("vfs_readlink called from cifs_readlink returned %d",
rc));
}
kfree(tmpbuffer);
kfree(full_path);
FreeXid(xid);
return rc;
}
开发者ID:piastry，项目名称:etercifs，代码行数:91，代码来源:link.c
示例16: cifs_unlink
int cifs_unlink(struct inode *inode, struct dentry *direntry)
{
int rc = 0;
int xid;
struct cifs_sb_info *cifs_sb;
struct cifsTconInfo *pTcon;
char *full_path = NULL;
struct cifsInodeInfo *cifsInode;
FILE_BASIC_INFO *pinfo_buf;
cFYI(1, (" cifs_unlink, inode = 0x%p with ", inode));
xid = GetXid();
cifs_sb = CIFS_SB(inode->i_sb);
pTcon = cifs_sb->tcon;
/* Unlink can be called from rename so we can not grab the sem here
since we deadlock otherwise */
/* down(&direntry->d_sb->s_vfs_rename_sem);*/
full_path = build_path_from_dentry(direntry);
/* up(&direntry->d_sb->s_vfs_rename_sem);*/
if (full_path == NULL) {
FreeXid(xid);
return -ENOMEM;
}
rc = CIFSSMBDelFile(xid, pTcon, full_path, cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
if (!rc) {
if (direntry->d_inode)
direntry->d_inode->i_nlink--;
} else if (rc == -ENOENT) {
d_drop(direntry);
} else if (rc == -ETXTBSY) {
int oplock = FALSE;
__u16 netfid;
rc = CIFSSMBOpen(xid, pTcon, full_path, FILE_OPEN, DELETE,
CREATE_NOT_DIR | CREATE_DELETE_ON_CLOSE,
&netfid, &oplock, NULL, cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
if (rc==0) {
CIFSSMBRenameOpenFile(xid, pTcon, netfid, NULL,
cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
CIFSSMBClose(xid, pTcon, netfid);
if (direntry->d_inode)
direntry->d_inode->i_nlink--;
}
} else if (rc == -EACCES) {
/* try only if r/o attribute set in local lookup data? */
pinfo_buf = kmalloc(sizeof(FILE_BASIC_INFO), GFP_KERNEL);
if (pinfo_buf) {
memset(pinfo_buf, 0, sizeof(FILE_BASIC_INFO));
/* ATTRS set to normal clears r/o bit */
pinfo_buf->Attributes = cpu_to_le32(ATTR_NORMAL);
if (!(pTcon->ses->flags & CIFS_SES_NT4))
rc = CIFSSMBSetTimes(xid, pTcon, full_path,
pinfo_buf,
cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
else
rc = -EOPNOTSUPP;
if (rc == -EOPNOTSUPP) {
int oplock = FALSE;
__u16 netfid;
/* rc = CIFSSMBSetAttrLegacy(xid, pTcon,
full_path,
(__u16)ATTR_NORMAL,
cifs_sb->local_nls);
For some strange reason it seems that NT4 eats the
old setattr call without actually setting the
attributes so on to the third attempted workaround
*/
/* BB could scan to see if we already have it open
and pass in pid of opener to function */
rc = CIFSSMBOpen(xid, pTcon, full_path,
FILE_OPEN, SYNCHRONIZE |
FILE_WRITE_ATTRIBUTES, 0,
&netfid, &oplock, NULL,
cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
if (rc==0) {
rc = CIFSSMBSetFileTimes(xid, pTcon,
pinfo_buf,
netfid);
CIFSSMBClose(xid, pTcon, netfid);
}
}
kfree(pinfo_buf);
}
if (rc==0) {
rc = CIFSSMBDelFile(xid, pTcon, full_path,
//.........这里部分代码省略.........
开发者ID:foxsat-hdr，项目名称:linux-kernel，代码行数:101，代码来源:inode.c
示例17: cifs_unlink
int
cifs_unlink(struct inode *inode, struct dentry *direntry)
{
int rc = 0;
int xid;
struct cifs_sb_info *cifs_sb;
struct cifsTconInfo *pTcon;
char *full_path = NULL;
struct cifsInodeInfo *cifsInode;
FILE_BASIC_INFO * pinfo_buf;
cFYI(1, (" cifs_unlink, inode = 0x%p with ", inode));
xid = GetXid();
cifs_sb = CIFS_SB(inode->i_sb);
pTcon = cifs_sb->tcon;
/* Unlink can be called from rename so we can not grab
the sem here since we deadlock otherwise */
/* down(&direntry->d_sb->s_vfs_rename_sem);*/
full_path = build_path_from_dentry(direntry);
/* up(&direntry->d_sb->s_vfs_rename_sem);*/
if(full_path == NULL) {
FreeXid(xid);
return -ENOMEM;
}
rc = CIFSSMBDelFile(xid, pTcon, full_path, cifs_sb->local_nls);
if (!rc) {
direntry->d_inode->i_nlink--;
} else if (rc == -ENOENT) {
d_drop(direntry);
} else if (rc == -ETXTBSY) {
int oplock = FALSE;
__u16 netfid;
rc = CIFSSMBOpen(xid, pTcon, full_path, FILE_OPEN, DELETE,
CREATE_NOT_DIR | CREATE_DELETE_ON_CLOSE,
&netfid, &oplock, NULL, cifs_sb->local_nls);
if(rc==0) {
CIFSSMBRenameOpenFile(xid,pTcon,netfid,
NULL, cifs_sb->local_nls);
CIFSSMBClose(xid, pTcon, netfid);
direntry->d_inode->i_nlink--;
}
} else if (rc == -EACCES) {
/* try only if r/o attribute set in local lookup data? */
pinfo_buf = (FILE_BASIC_INFO *)kmalloc(sizeof(FILE_BASIC_INFO),GFP_KERNEL);
if(pinfo_buf) {
memset(pinfo_buf,0,sizeof(FILE_BASIC_INFO));
/* ATTRS set to normal clears r/o bit */
pinfo_buf->Attributes = cpu_to_le32(ATTR_NORMAL);
rc = CIFSSMBSetTimes(xid, pTcon, full_path, pinfo_buf,
cifs_sb->local_nls);
kfree(pinfo_buf);
}
if(rc==0) {
rc = CIFSSMBDelFile(xid, pTcon, full_path, cifs_sb->local_nls);
if (!rc) {
direntry->d_inode->i_nlink--;
} else if (rc == -ETXTBSY) {
int oplock = FALSE;
__u16 netfid;
rc = CIFSSMBOpen(xid, pTcon, full_path, FILE_OPEN, DELETE,
CREATE_NOT_DIR | CREATE_DELETE_ON_CLOSE,
&netfid, &oplock, NULL, cifs_sb->local_nls);
if(rc==0) {
CIFSSMBRenameOpenFile(xid,pTcon,netfid,NULL,cifs_sb->local_nls);
CIFSSMBClose(xid, pTcon, netfid);
direntry->d_inode->i_nlink--;
}
/* BB if rc = -ETXTBUSY goto the rename logic BB */
}
}
}
cifsInode = CIFS_I(direntry->d_inode);
cifsInode->time = 0; /* will force revalidate to get info when needed */
direntry->d_inode->i_ctime = inode->i_ctime = inode->i_mtime =
CURRENT_TIME;
cifsInode = CIFS_I(inode);
cifsInode->time = 0; /* force revalidate of dir as well */
if (full_path)
kfree(full_path);
FreeXid(xid);
return rc;
}
开发者ID:FelipeFernandes1988，项目名称:Alice-1121-Modem，代码行数:89，代码来源:inode.c
示例18: cifs_rename
int
cifs_rename(struct inode *source_inode, struct dentry *source_direntry,
struct inode *target_inode, struct dentry *target_direntry)
{
char *fromName;
char *toName;
struct cifs_sb_info *cifs_sb_source;
struct cifs_sb_info *cifs_sb_target;
struct cifsTconInfo *pTcon;
int xid;
int rc = 0;
xid = GetXid();
cifs_sb_target = CIFS_SB(target_inode->i_sb);
cifs_sb_source = CIFS_SB(source_inode->i_sb);
pTcon = cifs_sb_source->tcon;
if (pTcon != cifs_sb_target->tcon) {
FreeXid(xid);
return -EXDEV; /* BB actually could be allowed if same server, but
different share. Might eventually add support for this */
}
/* we already have the rename sem so we do not need
to grab it again here to protect the path integrity */
fromName = build_path_from_dentry(source_direntry);
toName = build_path_from_dentry(target_direntry);
if((fromName == NULL) || (toName == NULL)) {
rc = -ENOMEM;
goto cifs_rename_exit;
}
rc = CIFSSMBRename(xid, pTcon, fromName, toName,
cifs_sb_source->local_nls);
if(rc == -EEXIST) {
/* check if they are the same file
because rename of hardlinked files is a noop */
FILE_UNIX_BASIC_INFO * info_buf_source;
FILE_UNIX_BASIC_INFO * info_buf_target;
info_buf_source =
kmalloc(2 * sizeof(FILE_UNIX_BASIC_INFO),GFP_KERNEL);
if(info_buf_source != NULL) {
info_buf_target = info_buf_source+1;
rc = CIFSSMBUnixQPathInfo(xid, pTcon, fromName,
info_buf_source, cifs_sb_source->local_nls);
if(rc == 0) {
rc = CIFSSMBUnixQPathInfo(xid,pTcon,toName,
info_buf_target,
cifs_sb_target->local_nls);
}
if((rc == 0) &&
(info_buf_source->UniqueId ==
info_buf_target->UniqueId)) {
/* do not rename since the files are hardlinked
which is a noop */
} else {
/* we either can not tell the files are hardlinked
(as with Windows servers) or files are not hardlinked
so delete the target manually before renaming to
follow POSIX rather than Windows semantics */
cifs_unlink(target_inode, target_direntry);
rc = CIFSSMBRename(xid, pTcon, fromName, toName,
cifs_sb_source->local_nls);
}
kfree(info_buf_source);
} /* if we can not get memory just leave rc as EEXIST */
}
if((rc == -EIO)||(rc == -EEXIST)) {
int oplock = FALSE;
__u16 netfid;
rc = CIFSSMBOpen(xid, pTcon, fromName, FILE_OPEN, GENERIC_READ,
CREATE_NOT_DIR,
&netfid, &oplock, NULL, cifs_sb_source->local_nls);
if(rc==0) {
CIFSSMBRenameOpenFile(xid,pTcon,netfid,
toName, cifs_sb_source->local_nls);
CIFSSMBClose(xid, pTcon, netfid);
}
}
cifs_rename_exit:
if (fromName)
kfree(fromName);
if (toName)
kfree(toName);
FreeXid(xid);
return rc;
}
开发者ID:FelipeFernandes1988，项目名称:Alice-1121-Modem，代码行数:93，代码来源:inode.c
示例19: cifs_lookup
//.........这里部分代码省略.........
rc = 0;
goto lookup_out;
}
/* can not grab the rename sem here since it would
deadlock in the cases (beginning of sys_rename itself)
in which we already have the sb rename sem */
full_path = build_path_from_dentry(direntry);
if (full_path == NULL) {
rc = -ENOMEM;
goto lookup_out;
}
if (direntry->d_inode != NULL) {
cFYI(1, "non-NULL inode in lookup");
} else {
cFYI(1, "NULL inode in lookup");
}
cFYI(1, "Full path: %s inode = 0x%p", full_path, direntry->d_inode);
/* Posix open is only called (at lookup time) for file create now.
* For opens (rather than creates), because we do not know if it
* is a file or directory yet, and current Samba no longer allows
* us to do posix open on dirs, we could end up wasting an open call
* on what turns out to be a dir. For file opens, we wait to call posix
* open till cifs_open. It could be added here (lookup) in the future
* but the performance tradeoff of the extra network request when EISDIR
* or EACCES is returned would have to be weighed against the 50%
* reduction in network traffic in the other paths.
*/
if (pTcon->unix_ext) {
if (nd && !(nd->flags & LOOKUP_DIRECTORY) &&
(nd->flags & LOOKUP_OPEN) && !pTcon->broken_posix_open &&
(nd->intent.open.file->f_flags & O_CREAT)) {
rc = cifs_posix_open(full_path, &newInode,
parent_dir_inode->i_sb,
nd->intent.open.create_mode,
nd->intent.open.file->f_flags, &oplock,
&fileHandle, xid);
/*
* The check below works around a bug in POSIX
* open in samba versions 3.3.1 and earlier where
* open could incorrectly fail with invalid parameter.
* If either that or op not supported returned, follow
* the normal lookup.
*/
if ((rc == 0) || (rc == -ENOENT))
posix_open = true;
else if ((rc == -EINVAL) || (rc != -EOPNOTSUPP))
pTcon->broken_posix_open = true;
}
if (!posix_open)
rc = cifs_get_inode_info_unix(&newInode, full_path,
parent_dir_inode->i_sb, xid);
} else
rc = cifs_get_inode_info(&newInode, full_path, NULL,
parent_dir_inode->i_sb, xid, NULL);
if ((rc == 0) && (newInode != NULL)) {
d_add(direntry, newInode);
if (posix_open) {
filp = lookup_instantiate_filp(nd, direntry,
generic_file_open);
if (IS_ERR(filp)) {
rc = PTR_ERR(filp);
CIFSSMBClose(xid, pTcon, fileHandle);
goto lookup_out;
}
cfile = cifs_new_fileinfo(fileHandle, filp, tlink,
oplock);
if (cfile == NULL) {
fput(filp);
CIFSSMBClose(xid, pTcon, fileHandle);
rc = -ENOMEM;
goto lookup_out;
}
}
/* since paths are not looked up by component - the parent
directories are presumed to be good here */
renew_parental_timestamps(direntry);
} else if (rc == -ENOENT) {
rc = 0;
direntry->d_time = jiffies;
d_add(direntry, NULL);
/* if it was once a directory (but how can we tell?) we could do
shrink_dcache_parent(direntry); */
} else if (rc != -EACCES) {
cERROR(1, "Unexpected lookup error %d", rc);
/* We special case check for Access Denied - since that
is a common return code */
}
lookup_out:
kfree(full_path);
cifs_put_tlink(tlink);
FreeXid(xid);
return ERR_PTR(rc);
}
开发者ID:303750856，项目名称:linux-3.1，代码行数:101，代码来源:dir.c
示例20: cifs_create
//.........这里部分代码省略.........
if (rc == -EIO) {
/* old server, retry the open legacy style */
rc = SMBLegacyOpen(xid, tcon, full_path, disposition,
desiredAccess, create_options,
&fileHandle, &oplock, buf, cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
}
if (rc) {
cFYI(1, "cifs_create returned 0x%x", rc);
goto cifs_create_out;
}
/* If Open reported that we actually created a file
then we now have to set the mode if possible */
if ((tcon->unix_ext) && (oplock & CIFS_CREATE_ACTION)) {
struct cifs_unix_set_info_args args = {
.mode = mode,
.ctime = NO_CHANGE_64,
.atime = NO_CHANGE_64,
.mtime = NO_CHANGE_64,
.device = 0,
};
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SET_UID) {
args.uid = (__u64) current_fsuid();
if (inode->i_mode & S_ISGID)
args.gid = (__u64) inode->i_gid;
else
args.gid = (__u64) current_fsgid();
} else {
args.uid = NO_CHANGE_64;
args.gid = NO_CHANGE_64;
}
CIFSSMBUnixSetFileInfo(xid, tcon, &args, fileHandle,
current->tgid);
} else {
/* BB implement mode setting via Windows security
descriptors e.g. */
/* CIFSSMBWinSetPerms(xid,tcon,path,mode,-1,-1,nls);*/
/* Could set r/o dos attribute if mode & 0222 == 0 */
}
cifs_create_get_file_info:
/* server might mask mode so we have to query for it */
if (tcon->unix_ext)
rc = cifs_get_inode_info_unix(&newinode, full_path,
inode->i_sb, xid);
else {
rc = cifs_get_inode_info(&newinode, full_path, buf,
inode->i_sb, xid, &fileHandle);
if (newinode) {
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DYNPERM)
newinode->i_mode = mode;
if ((oplock & CIFS_CREATE_ACTION) &&
(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SET_UID)) {
newinode->i_uid = current_fsuid();
if (inode->i_mode & S_ISGID)
newinode->i_gid = inode->i_gid;
else
newinode->i_gid = current_fsgid();
}
}
}
cifs_create_set_dentry:
if (rc == 0)
d_instantiate(direntry, newinode);
else
cFYI(1, "Create worked, get_inode_info failed rc = %d", rc);
if (newinode && nd) {
struct cifsFileInfo *pfile_info;
struct file *filp;
filp = lookup_instantiate_filp(nd, direntry, generic_file_open);
if (IS_ERR(filp)) {
rc = PTR_ERR(filp);
CIFSSMBClose(xid, tcon, fileHandle);
goto cifs_create_out;
}
pfile_info = cifs_new_fileinfo(fileHandle, filp, tlink, oplock);
if (pfile_info == NULL) {
fput(filp);
CIFSSMBClose(xid, tcon, fileHandle);
rc = -ENOMEM;
}
} else {
CIFSSMBClose(xid, tcon, fileHandle);
}
cifs_create_out:
kfree(buf);
kfree(full_path);
cifs_put_tlink(tlink);
FreeXid(xid);
return rc;
}
开发者ID:303750856，项目名称:linux-3.1，代码行数:101，代码来源:dir.c
注：本文中的CIFSSMBClose函数示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。 |
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