diff options
Diffstat (limited to 'fs/ncpfs/mmap.c')
| -rw-r--r-- | fs/ncpfs/mmap.c | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/fs/ncpfs/mmap.c b/fs/ncpfs/mmap.c index 5416673418b8..af48b792ca04 100644 --- a/fs/ncpfs/mmap.c +++ b/fs/ncpfs/mmap.c @@ -25,8 +25,8 @@ /* * Fill in the supplied page for mmap */ -static struct page* ncp_file_mmap_nopage(struct vm_area_struct *area, - unsigned long address, int *type) +static struct page* ncp_file_mmap_fault(struct vm_area_struct *area, + struct fault_data *fdata) { struct file *file = area->vm_file; struct dentry *dentry = file->f_path.dentry; @@ -40,15 +40,17 @@ static struct page* ncp_file_mmap_nopage(struct vm_area_struct *area, page = alloc_page(GFP_HIGHUSER); /* ncpfs has nothing against high pages as long as recvmsg and memset works on it */ - if (!page) - return page; + if (!page) { + fdata->type = VM_FAULT_OOM; + return NULL; + } pg_addr = kmap(page); - address &= PAGE_MASK; - pos = address - area->vm_start + (area->vm_pgoff << PAGE_SHIFT); + pos = fdata->pgoff << PAGE_SHIFT; count = PAGE_SIZE; - if (address + PAGE_SIZE > area->vm_end) { - count = area->vm_end - address; + if (fdata->address + PAGE_SIZE > area->vm_end) { + WARN_ON(1); /* shouldn't happen? */ + count = area->vm_end - fdata->address; } /* what we can read in one go */ bufsize = NCP_SERVER(inode)->buffer_size; @@ -91,15 +93,14 @@ static struct page* ncp_file_mmap_nopage(struct vm_area_struct *area, * fetches from the network, here the analogue of disk. * -- wli */ - if (type) - *type = VM_FAULT_MAJOR; + fdata->type = VM_FAULT_MAJOR; count_vm_event(PGMAJFAULT); return page; } static struct vm_operations_struct ncp_file_mmap = { - .nopage = ncp_file_mmap_nopage, + .fault = ncp_file_mmap_fault, }; |