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VFS updates, readme updates.

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Separated vfs file as a specific file. vm file is not always a vfs file.
Updated the README
sys_open was not returning back to client, added that.
Added comments for future vfs additions.
This commit is contained in:
Bahadir Balban
2008-04-09 16:55:54 +01:00
parent dd3f35bbd4
commit 81ebffdc87
9 changed files with 96 additions and 35 deletions
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20
tasks/mm0/src/vm_object.c
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@@ -3,6 +3,7 @@
*
* Copyright (C) 2008 Bahadir Balban
*/
#include <file.h>
#include <vm_area.h>
#include <l4/macros.h>
#include <l4/api/errno.h>
@@ -40,7 +41,7 @@ void vm_object_print(struct vm_object *vmo)
ftype = "bootfile";
else if (f->type == VM_FILE_SHM)
ftype = "shm file";
else if (f->type == VM_FILE_REGULAR)
else if (f->type == VM_FILE_VFS)
ftype = "regular";
else
BUG();
@@ -91,6 +92,23 @@ struct vm_file *vm_file_create(void)
return f;
}
/*
* Populates the priv_data with vfs-file-specific
* information.
*/
struct vm_file *vfs_file_create(void)
{
struct vm_file *f = vm_file_create();
if (IS_ERR(f))
return f;
f->priv_data = kzalloc(sizeof(struct vfs_file_data));
f->type = VM_FILE_VFS;
return f;
}
/* Deletes the object via its base, along with all its pages */
int vm_object_delete(struct vm_object *vmo)
{