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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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6
tasks/mm0/src/file.c
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@@ -93,7 +93,9 @@ int vfs_receive_sys_open(l4id_t sender, l4id_t opener, int fd,
/* Check if that vm_file is already in the list */
list_for_each_entry(vmfile, &vm_file_list, list) {
if (vm_file_to_vnum(vmfile) == vnum) {
/* Check it is a vfs file and if so vnums match. */
if ((vmfile->type & VM_FILE_VFS) &&
vm_file_to_vnum(vmfile) == vnum) {
/* Add a reference to it from the task */
t->fd[fd].vmfile = vmfile;
vmfile->vm_obj.refcnt++;
@@ -102,7 +104,7 @@ int vfs_receive_sys_open(l4id_t sender, l4id_t opener, int fd,
}
/* Otherwise allocate a new one for this vnode */
if (IS_ERR(vmfile = vm_file_create()))
if (IS_ERR(vmfile = vfs_file_create()))
return (int)vmfile;
/* Initialise and add it to global list */