int
cifs_mkdir(struct inode *inode, struct dentry *direntry, int mode)
{
int rc = 0;
int xid;
struct cifs_sb_info *cifs_sb;
struct cifsTconInfo *pTcon;
char *full_path = NULL;
struct inode *newinode = NULL;
cFYI(1, ("In cifs_mkdir, mode = 0x%x inode = 0x%p ", mode, inode));
xid = GetXid();
cifs_sb = CIFS_SB(inode->i_sb);
pTcon = cifs_sb->tcon;
down(&inode->i_sb->s_vfs_rename_sem);
full_path = build_path_from_dentry(direntry);
up(&inode->i_sb->s_vfs_rename_sem);
if(full_path == NULL) {
FreeXid(xid);
return -ENOMEM;
}
/* BB add setting the equivalent of mode via CreateX w/ACLs */
rc = CIFSSMBMkDir(xid, pTcon, full_path, cifs_sb->local_nls);
if (rc) {
cFYI(1, ("cifs_mkdir returned 0x%x ", rc));
d_drop(direntry);
} else {
inode->i_nlink++;
if (pTcon->ses->capabilities & CAP_UNIX)
rc = cifs_get_inode_info_unix(&newinode, full_path,
inode->i_sb,xid);
else
rc = cifs_get_inode_info(&newinode, full_path,NULL,
inode->i_sb,xid);
direntry->d_op = &cifs_dentry_ops;
d_instantiate(direntry, newinode);
if(direntry->d_inode)
direntry->d_inode->i_nlink = 2;
if (cifs_sb->tcon->ses->capabilities & CAP_UNIX)
if(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SET_UID) {
CIFSSMBUnixSetPerms(xid, pTcon, full_path, mode,
(__u64)current->euid,
(__u64)current->egid,
0 /* dev_t */,
cifs_sb->local_nls);
} else {
CIFSSMBUnixSetPerms(xid, pTcon, full_path, mode,
(__u64)-1,
(__u64)-1,
0 /* dev_t */,
cifs_sb->local_nls);
}
else { /* BB to be implemented via Windows secrty descriptors*/
/* eg CIFSSMBWinSetPerms(xid,pTcon,full_path,mode,-1,-1,local_nls);*/
}
}
if (full_path)
kfree(full_path);
FreeXid(xid);
return rc;
}
int cifs_mkdir(struct inode *inode, struct dentry *direntry, int mode)
{
int rc = 0;
int xid;
struct cifs_sb_info *cifs_sb;
struct cifsTconInfo *pTcon;
char *full_path = NULL;
struct inode *newinode = NULL;
cFYI(1, ("In cifs_mkdir, mode = 0x%x inode = 0x%p", mode, inode));
xid = GetXid();
cifs_sb = CIFS_SB(inode->i_sb);
pTcon = cifs_sb->tcon;
full_path = build_path_from_dentry(direntry);
if (full_path == NULL) {
FreeXid(xid);
return -ENOMEM;
}
if ((pTcon->ses->capabilities & CAP_UNIX) &&
(CIFS_UNIX_POSIX_PATH_OPS_CAP &
le64_to_cpu(pTcon->fsUnixInfo.Capability))) {
u32 oplock = 0;
FILE_UNIX_BASIC_INFO *pInfo =
kzalloc(sizeof(FILE_UNIX_BASIC_INFO), GFP_KERNEL);
if (pInfo == NULL) {
rc = -ENOMEM;
goto mkdir_out;
}
mode &= ~current->fs->umask;
rc = CIFSPOSIXCreate(xid, pTcon, SMB_O_DIRECTORY | SMB_O_CREAT,
mode, NULL /* netfid */, pInfo, &oplock,
full_path, cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
if (rc == -EOPNOTSUPP) {
kfree(pInfo);
goto mkdir_retry_old;
} else if (rc) {
cFYI(1, ("posix mkdir returned 0x%x", rc));
d_drop(direntry);
} else {
if (pInfo->Type == cpu_to_le32(-1)) {
/* no return info, go query for it */
kfree(pInfo);
goto mkdir_get_info;
}
/*BB check (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SET_UID ) to see if need
to set uid/gid */
inc_nlink(inode);
if (pTcon->nocase)
direntry->d_op = &cifs_ci_dentry_ops;
else
direntry->d_op = &cifs_dentry_ops;
newinode = new_inode(inode->i_sb);
if (newinode == NULL) {
kfree(pInfo);
goto mkdir_get_info;
}
/* Is an i_ino of zero legal? */
/* Are there sanity checks we can use to ensure that
the server is really filling in that field? */
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM) {
newinode->i_ino =
(unsigned long)pInfo->UniqueId;
} /* note ino incremented to unique num in new_inode */
if (inode->i_sb->s_flags & MS_NOATIME)
newinode->i_flags |= S_NOATIME | S_NOCMTIME;
newinode->i_nlink = 2;
insert_inode_hash(newinode);
d_instantiate(direntry, newinode);
/* we already checked in POSIXCreate whether
frame was long enough */
posix_fill_in_inode(direntry->d_inode,
pInfo, 1 /* NewInode */);
#ifdef CONFIG_CIFS_DEBUG2
cFYI(1, ("instantiated dentry %p %s to inode %p",
direntry, direntry->d_name.name, newinode));
if (newinode->i_nlink != 2)
cFYI(1, ("unexpected number of links %d",
newinode->i_nlink));
#endif
}
kfree(pInfo);
goto mkdir_out;
}
mkdir_retry_old:
/* BB add setting the equivalent of mode via CreateX w/ACLs */
rc = CIFSSMBMkDir(xid, pTcon, full_path, cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
if (rc) {
cFYI(1, ("cifs_mkdir returned 0x%x", rc));
d_drop(direntry);
} else {
mkdir_get_info:
inc_nlink(inode);
if (pTcon->unix_ext)
rc = cifs_get_inode_info_unix(&newinode, full_path,
inode->i_sb, xid);
else
rc = cifs_get_inode_info(&newinode, full_path, NULL,
inode->i_sb, xid, NULL);
if (pTcon->nocase)
direntry->d_op = &cifs_ci_dentry_ops;
else
direntry->d_op = &cifs_dentry_ops;
d_instantiate(direntry, newinode);
/* setting nlink not necessary except in cases where we
* failed to get it from the server or was set bogus */
if ((direntry->d_inode) && (direntry->d_inode->i_nlink < 2))
direntry->d_inode->i_nlink = 2;
if (pTcon->unix_ext) {
mode &= ~current->fs->umask;
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SET_UID) {
CIFSSMBUnixSetPerms(xid, pTcon, full_path,
mode,
(__u64)current->fsuid,
(__u64)current->fsgid,
0 /* dev_t */,
cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
} else {
CIFSSMBUnixSetPerms(xid, pTcon, full_path,
mode, (__u64)-1,
(__u64)-1, 0 /* dev_t */,
cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
}
} else {
/* BB to be implemented via Windows secrty descriptors
eg CIFSSMBWinSetPerms(xid, pTcon, full_path, mode,
-1, -1, local_nls); */
if (direntry->d_inode) {
direntry->d_inode->i_mode = mode;
direntry->d_inode->i_mode |= S_IFDIR;
if (cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_SET_UID) {
direntry->d_inode->i_uid =
current->fsuid;
direntry->d_inode->i_gid =
current->fsgid;
}
}
}
}
mkdir_out:
kfree(full_path);
FreeXid(xid);
return rc;
}
