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CIFS: Introduce cifs_open_parms struct

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and pass it to the open() call.

Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org>
Signed-off-by: Steven French <steven@steven-GA-970A-DS3.(none)>
This commit is contained in:
Pavel Shilovsky 2013-07-05 12:00:30 +04:00 committed by Steve French
parent 63eb3def32
commit 226730b4d8
6 changed files with 72 additions and 40 deletions
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16
fs/cifs/cifsglob.h
View File

@ -194,6 +194,7 @@ struct cifs_writedata;
struct cifs_io_parms;
struct cifs_search_info;
struct cifsInodeInfo;
struct cifs_open_parms;
struct smb_version_operations {
int (*send_cancel)(struct TCP_Server_Info *, void *,
@ -307,9 +308,8 @@ struct smb_version_operations {
const char *, const char *,
struct cifs_sb_info *);
/* open a file for non-posix mounts */
int (*open)(const unsigned int, struct cifs_tcon *, const char *, int,
int, int, struct cifs_fid *, __u32 *, FILE_ALL_INFO *,
struct cifs_sb_info *);
int (*open)(const unsigned int, struct cifs_open_parms *,
__u32 *, FILE_ALL_INFO *);
/* set fid protocol-specific info */
void (*set_fid)(struct cifsFileInfo *, struct cifs_fid *, __u32);
/* close a file */
@ -912,6 +912,16 @@ struct cifs_search_info {
bool smallBuf:1; /* so we know which buf_release function to call */
};
struct cifs_open_parms {
struct cifs_tcon *tcon;
struct cifs_sb_info *cifs_sb;
int disposition;
int desired_access;
int create_options;
const char *path;
struct cifs_fid *fid;
};
struct cifs_fid {
__u16 netfid;
#ifdef CONFIG_CIFS_SMB2

13
fs/cifs/dir.c
View File

@ -204,6 +204,7 @@ cifs_do_create(struct inode *inode, struct dentry *direntry, unsigned int xid,
struct inode *newinode = NULL;
int disposition;
struct TCP_Server_Info *server = tcon->ses->server;
struct cifs_open_parms oparms;
*oplock = 0;
if (tcon->ses->server->oplocks)
@ -319,9 +320,15 @@ cifs_do_create(struct inode *inode, struct dentry *direntry, unsigned int xid,
if (backup_cred(cifs_sb))
create_options |= CREATE_OPEN_BACKUP_INTENT;
rc = server->ops->open(xid, tcon, full_path, disposition,
desired_access, create_options, fid, oplock,
buf, cifs_sb);
oparms.tcon = tcon;
oparms.cifs_sb = cifs_sb;
oparms.desired_access = desired_access;
oparms.create_options = create_options;
oparms.disposition = disposition;
oparms.path = full_path;
oparms.fid = fid;
rc = server->ops->open(xid, &oparms, oplock, buf);
if (rc) {
cifs_dbg(FYI, "cifs_create returned 0x%x\n", rc);
goto out;

26
fs/cifs/file.c
View File

@ -183,6 +183,7 @@ cifs_nt_open(char *full_path, struct inode *inode, struct cifs_sb_info *cifs_sb,
int create_options = CREATE_NOT_DIR;
FILE_ALL_INFO *buf;
struct TCP_Server_Info *server = tcon->ses->server;
struct cifs_open_parms oparms;
if (!server->ops->open)
return -ENOSYS;
@ -224,9 +225,15 @@ cifs_nt_open(char *full_path, struct inode *inode, struct cifs_sb_info *cifs_sb,
if (backup_cred(cifs_sb))
create_options |= CREATE_OPEN_BACKUP_INTENT;
rc = server->ops->open(xid, tcon, full_path, disposition,
desired_access, create_options, fid, oplock, buf,
cifs_sb);
oparms.tcon = tcon;
oparms.cifs_sb = cifs_sb;
oparms.desired_access = desired_access;
oparms.create_options = create_options;
oparms.disposition = disposition;
oparms.path = full_path;
oparms.fid = fid;
rc = server->ops->open(xid, &oparms, oplock, buf);
if (rc)
goto out;
@ -588,6 +595,7 @@ cifs_reopen_file(struct cifsFileInfo *cfile, bool can_flush)
int disposition = FILE_OPEN;
int create_options = CREATE_NOT_DIR;
struct cifs_fid fid;
struct cifs_open_parms oparms;
xid = get_xid();
mutex_lock(&cfile->fh_mutex);
@ -656,6 +664,14 @@ cifs_reopen_file(struct cifsFileInfo *cfile, bool can_flush)
if (server->ops->get_lease_key)
server->ops->get_lease_key(inode, &fid);
oparms.tcon = tcon;
oparms.cifs_sb = cifs_sb;
oparms.desired_access = desired_access;
oparms.create_options = create_options;
oparms.disposition = disposition;
oparms.path = full_path;
oparms.fid = &fid;
/*
* Can not refresh inode by passing in file_info buf to be returned by
* CIFSSMBOpen and then calling get_inode_info with returned buf since
@ -663,9 +679,7 @@ cifs_reopen_file(struct cifsFileInfo *cfile, bool can_flush)
* version of file size can be stale. If we knew for sure that inode was
* not dirty locally we could do this.
*/
rc = server->ops->open(xid, tcon, full_path, disposition,
desired_access, create_options, &fid, &oplock,
NULL, cifs_sb);
rc = server->ops->open(xid, &oparms, &oplock, NULL);
if (rc) {
mutex_unlock(&cfile->fh_mutex);
cifs_dbg(FYI, "cifs_reopen returned 0x%x\n", rc);

27
fs/cifs/smb1ops.c
View File

@ -674,20 +674,23 @@ cifs_mkdir_setinfo(struct inode *inode, const char *full_path,
}
static int
cifs_open_file(const unsigned int xid, struct cifs_tcon *tcon, const char *path,
int disposition, int desired_access, int create_options,
struct cifs_fid *fid, __u32 *oplock, FILE_ALL_INFO *buf,
struct cifs_sb_info *cifs_sb)
cifs_open_file(const unsigned int xid, struct cifs_open_parms *oparms,
__u32 *oplock, FILE_ALL_INFO *buf)
{
if (!(tcon->ses->capabilities & CAP_NT_SMBS))
return SMBLegacyOpen(xid, tcon, path, disposition,
desired_access, create_options,
&fid->netfid, oplock, buf,
cifs_sb->local_nls, cifs_sb->mnt_cifs_flags
if (!(oparms->tcon->ses->capabilities & CAP_NT_SMBS))
return SMBLegacyOpen(xid, oparms->tcon, oparms->path,
oparms->disposition,
oparms->desired_access,
oparms->create_options,
&oparms->fid->netfid, oplock, buf,
oparms->cifs_sb->local_nls,
oparms->cifs_sb->mnt_cifs_flags
& CIFS_MOUNT_MAP_SPECIAL_CHR);
return CIFSSMBOpen(xid, tcon, path, disposition, desired_access,
create_options, &fid->netfid, oplock, buf,
cifs_sb->local_nls, cifs_sb->mnt_cifs_flags &
return CIFSSMBOpen(xid, oparms->tcon, oparms->path,
oparms->disposition, oparms->desired_access,
oparms->create_options, &oparms->fid->netfid, oplock,
buf, oparms->cifs_sb->local_nls,
oparms->cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
}

22
fs/cifs/smb2file.c
View File

@ -57,17 +57,16 @@ smb2_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock)
}
int
smb2_open_file(const unsigned int xid, struct cifs_tcon *tcon, const char *path,
int disposition, int desired_access, int create_options,
struct cifs_fid *fid, __u32 *oplock, FILE_ALL_INFO *buf,
struct cifs_sb_info *cifs_sb)
smb2_open_file(const unsigned int xid, struct cifs_open_parms *oparms,
__u32 *oplock, FILE_ALL_INFO *buf)
{
int rc;
__le16 *smb2_path;
struct smb2_file_all_info *smb2_data = NULL;
__u8 smb2_oplock[17];
struct cifs_fid *fid = oparms->fid;
smb2_path = cifs_convert_path_to_utf16(path, cifs_sb);
smb2_path = cifs_convert_path_to_utf16(oparms->path, oparms->cifs_sb);
if (smb2_path == NULL) {
rc = -ENOMEM;
goto out;
@ -80,21 +79,22 @@ smb2_open_file(const unsigned int xid, struct cifs_tcon *tcon, const char *path,
goto out;
}
desired_access |= FILE_READ_ATTRIBUTES;
oparms->desired_access |= FILE_READ_ATTRIBUTES;
*smb2_oplock = SMB2_OPLOCK_LEVEL_BATCH;
if (tcon->ses->server->capabilities & SMB2_GLOBAL_CAP_LEASING)
if (oparms->tcon->ses->server->capabilities & SMB2_GLOBAL_CAP_LEASING)
memcpy(smb2_oplock + 1, fid->lease_key, SMB2_LEASE_KEY_SIZE);
rc = SMB2_open(xid, tcon, smb2_path, &fid->persistent_fid,
&fid->volatile_fid, desired_access, disposition,
create_options, smb2_oplock, smb2_data);
rc = SMB2_open(xid, oparms->tcon, smb2_path, &fid->persistent_fid,
&fid->volatile_fid, oparms->desired_access,
oparms->disposition, oparms->create_options, smb2_oplock,
smb2_data);
if (rc)
goto out;
if (buf) {
/* open response does not have IndexNumber field - get it */
rc = SMB2_get_srv_num(xid, tcon, fid->persistent_fid,
rc = SMB2_get_srv_num(xid, oparms->tcon, fid->persistent_fid,
fid->volatile_fid,
&smb2_data->IndexNumber);
if (rc) {

8
fs/cifs/smb2proto.h
View File

@ -84,11 +84,9 @@ extern int smb2_create_hardlink(const unsigned int xid, struct cifs_tcon *tcon,
const char *from_name, const char *to_name,
struct cifs_sb_info *cifs_sb);
extern int smb2_open_file(const unsigned int xid, struct cifs_tcon *tcon,
const char *full_path, int disposition,
int desired_access, int create_options,
struct cifs_fid *fid, __u32 *oplock,
FILE_ALL_INFO *buf, struct cifs_sb_info *cifs_sb);
extern int smb2_open_file(const unsigned int xid,
struct cifs_open_parms *oparms,
__u32 *oplock, FILE_ALL_INFO *buf);
extern void smb2_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock);
extern int smb2_unlock_range(struct cifsFileInfo *cfile,
struct file_lock *flock, const unsigned int xid);