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Diffstat (limited to 'fs/ncpfs/mmap.c')
-rw-r--r--fs/ncpfs/mmap.c38
1 files changed, 19 insertions, 19 deletions
diff --git a/fs/ncpfs/mmap.c b/fs/ncpfs/mmap.c
index af48b79..a94473d 100644
--- a/fs/ncpfs/mmap.c
+++ b/fs/ncpfs/mmap.c
@@ -24,33 +24,35 @@
/*
* Fill in the supplied page for mmap
+ * XXX: how are we excluding truncate/invalidate here? Maybe need to lock
+ * page?
*/
-static struct page* ncp_file_mmap_fault(struct vm_area_struct *area,
- struct fault_data *fdata)
+static int ncp_file_mmap_fault(struct vm_area_struct *area,
+ struct vm_fault *vmf)
{
struct file *file = area->vm_file;
struct dentry *dentry = file->f_path.dentry;
struct inode *inode = dentry->d_inode;
- struct page* page;
char *pg_addr;
unsigned int already_read;
unsigned int count;
int bufsize;
- int pos;
+ int pos; /* XXX: loff_t ? */
- page = alloc_page(GFP_HIGHUSER); /* ncpfs has nothing against high pages
- as long as recvmsg and memset works on it */
- if (!page) {
- fdata->type = VM_FAULT_OOM;
- return NULL;
- }
- pg_addr = kmap(page);
- pos = fdata->pgoff << PAGE_SHIFT;
+ /*
+ * ncpfs has nothing against high pages as long
+ * as recvmsg and memset works on it
+ */
+ vmf->page = alloc_page(GFP_HIGHUSER);
+ if (!vmf->page)
+ return VM_FAULT_OOM;
+ pg_addr = kmap(vmf->page);
+ pos = vmf->pgoff << PAGE_SHIFT;
count = PAGE_SIZE;
- if (fdata->address + PAGE_SIZE > area->vm_end) {
+ if ((unsigned long)vmf->virtual_address + PAGE_SIZE > area->vm_end) {
WARN_ON(1); /* shouldn't happen? */
- count = area->vm_end - fdata->address;
+ count = area->vm_end - (unsigned long)vmf->virtual_address;
}
/* what we can read in one go */
bufsize = NCP_SERVER(inode)->buffer_size;
@@ -85,17 +87,16 @@ static struct page* ncp_file_mmap_fault(struct vm_area_struct *area,
if (already_read < PAGE_SIZE)
memset(pg_addr + already_read, 0, PAGE_SIZE - already_read);
- flush_dcache_page(page);
- kunmap(page);
+ flush_dcache_page(vmf->page);
+ kunmap(vmf->page);
/*
* If I understand ncp_read_kernel() properly, the above always
* fetches from the network, here the analogue of disk.
* -- wli
*/
- fdata->type = VM_FAULT_MAJOR;
count_vm_event(PGMAJFAULT);
- return page;
+ return VM_FAULT_MAJOR;
}
static struct vm_operations_struct ncp_file_mmap =
@@ -124,7 +125,6 @@ int ncp_mmap(struct file *file, struct vm_area_struct *vma)
return -EFBIG;
vma->vm_ops = &ncp_file_mmap;
- vma->vm_flags |= VM_CAN_INVALIDATE;
file_accessed(file);
return 0;
}