static void
smb_put_inode(struct inode *inode)
{
struct smb_dirent *finfo = SMB_FINFO(inode);
if (finfo->opened != 0) {
/* smb_proc_close wants mtime in finfo */
finfo->mtime = inode->i_mtime;
if (smb_proc_close(SMB_SERVER(inode), finfo)) {
/* We can't do anything but complain. */
printk("smb_put_inode: could not close\n");
}
}
smb_free_inode_info(SMB_INOP(inode));
if (S_ISDIR(inode->i_mode)) {
DDPRINTK("smb_put_inode: put directory %ld\n",
inode->i_ino);
smb_invalid_dir_cache(inode->i_ino);
}
clear_inode(inode);
}
/* DO MORE */
int
smb_notify_change(struct inode *inode, struct iattr *attr)
{
int error = 0;
if ((error = inode_change_ok(inode, attr)) < 0)
return error;
if (((attr->ia_valid & ATTR_UID) &&
(attr->ia_uid != SMB_SERVER(inode)->m.uid)))
return -EPERM;
if (((attr->ia_valid & ATTR_GID) &&
(attr->ia_uid != SMB_SERVER(inode)->m.gid)))
return -EPERM;
if (((attr->ia_valid & ATTR_MODE) &&
(attr->ia_mode & ~(S_IFREG | S_IFDIR | S_IRWXU | S_IRWXG | S_IRWXO))))
return -EPERM;
if ((attr->ia_valid & ATTR_SIZE) != 0) {
if ((error = smb_make_open(inode, O_WRONLY)) < 0)
goto fail;
if ((error = smb_proc_trunc(SMB_SERVER(inode),
SMB_FINFO(inode)->fileid,
attr->ia_size)) < 0)
goto fail;
}
if ((attr->ia_valid & (ATTR_CTIME | ATTR_MTIME | ATTR_ATIME)) != 0) {
struct smb_dirent finfo;
finfo.attr = 0;
if ((attr->ia_valid & ATTR_CTIME) != 0)
finfo.ctime = attr->ia_ctime;
else
finfo.ctime = inode->i_ctime;
if ((attr->ia_valid & ATTR_MTIME) != 0)
finfo.mtime = attr->ia_mtime;
else
finfo.mtime = inode->i_mtime;
if ((attr->ia_valid & ATTR_ATIME) != 0)
finfo.atime = attr->ia_atime;
else
finfo.atime = inode->i_atime;
if ((error = smb_proc_setattr(SMB_SERVER(inode),
inode, &finfo)) >= 0) {
inode->i_ctime = finfo.ctime;
inode->i_mtime = finfo.mtime;
inode->i_atime = finfo.atime;
}
}
fail:
smb_invalid_dir_cache((unsigned long)(SMB_INOP(inode)->dir));
return error;
}
/*
* Fill in the supplied page for mmap
*/
static unsigned long
smb_file_mmap_nopage(struct vm_area_struct *area,
unsigned long address, int no_share)
{
struct inode *inode = area->vm_inode;
unsigned long page;
unsigned int clear;
unsigned long tmp;
int n;
int i;
int pos;
page = __get_free_page(GFP_KERNEL);
if (!page)
return 0;
address &= PAGE_MASK;
pos = address - area->vm_start + area->vm_offset;
clear = 0;
if (address + PAGE_SIZE > area->vm_end)
{
clear = address + PAGE_SIZE - area->vm_end;
}
/* what we can read in one go */
n = SMB_SERVER(inode)->max_xmit - SMB_HEADER_LEN - 5 * 2 - 3 - 10;
if (smb_make_open(inode, O_RDONLY) < 0)
{
clear = PAGE_SIZE;
} else
{
for (i = 0; i < (PAGE_SIZE - clear); i += n)
{
int hunk, result;
hunk = PAGE_SIZE - i;
if (hunk > n)
hunk = n;
DDPRINTK("smb_file_mmap_nopage: reading\n");
DDPRINTK("smb_file_mmap_nopage: pos = %d\n", pos);
result = smb_proc_read(SMB_SERVER(inode),
SMB_FINFO(inode), pos, hunk,
(char *) (page + i), 0);
DDPRINTK("smb_file_mmap_nopage: result= %d\n", result);
if (result < 0)
break;
pos += result;
if (result < n)
{
i += result;
break;
}
}
}
tmp = page + PAGE_SIZE;
while (clear--)
{
*(char *) --tmp = 0;
}
return page;
}