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Towards sys_close()/sys_flush()

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This commit is contained in:
Bahadir Balban
2008-04-25 22:14:59 +01:00
parent 488d9e6271
commit c9b9f9d111
3 changed files with 106 additions and 31 deletions
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6
tasks/mm0/include/vm_area.h
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@@ -36,6 +36,8 @@
#define VMA_PRIVATE (1 << 6)
/* Copy-on-write semantics */
#define VMA_FIXED (1 << 7)
/* Set when the page is dirty in cache but not written to disk */
#define VM_DIRTY (1 << 8)
/* Defines the type of file. A device file? Regular file? One used at boot? */
enum VM_FILE_TYPE {
@@ -89,8 +91,8 @@ struct fault_data {
struct vm_pager_ops {
struct page *(*page_in)(struct vm_object *vm_obj,
unsigned long pfn_offset);
struct page *(*page_out)(struct vm_object *vm_obj,
unsigned long pfn_offset);
int (*page_out)(struct vm_object *vm_obj,
unsigned long pfn_offset);
int (*release_pages)(struct vm_object *vm_obj);
};