#include <linux/slab.h>
#include <linux/fs.h>
#include <linux/ctype.h>
+#include <linux/sched.h>
#include <keys/rxrpc-type.h>
#include "internal.h"
ASSERT(auth_inode != NULL);
} else {
auth_inode = afs_iget(vnode->vfs_inode.i_sb, key,
- &vnode->status.parent);
+ &vnode->status.parent, NULL, NULL);
if (IS_ERR(auth_inode))
- return ERR_PTR(PTR_ERR(auth_inode));
+ return ERR_CAST(auth_inode);
}
auth_vnode = AFS_FS_I(auth_inode);
{
struct afs_permits *permits;
- _enter("{%x}", vnode->fid.vnode);
+ _enter("{%x:%u}", vnode->fid.vid, vnode->fid.vnode);
mutex_lock(&vnode->permits_lock);
permits = vnode->permits;
struct afs_vnode *auth_vnode;
int count, loop;
- _enter("{%x},%x,%lx", vnode->fid.vnode, key_serial(key), acl_order);
+ _enter("{%x:%u},%x,%lx",
+ vnode->fid.vid, vnode->fid.vnode, key_serial(key), acl_order);
auth_vnode = afs_get_auth_inode(vnode, key);
if (IS_ERR(auth_vnode)) {
bool valid;
int loop, ret;
- _enter("");
+ _enter("{%x:%u},%x",
+ vnode->fid.vid, vnode->fid.vnode, key_serial(key));
auth_vnode = afs_get_auth_inode(vnode, key);
if (IS_ERR(auth_vnode)) {
_leave(" = %d", ret);
return ret;
}
+ *_access = vnode->status.caller_access;
}
- *_access = vnode->status.caller_access;
iput(&auth_vnode->vfs_inode);
_leave(" = 0 [access %x]", *_access);
return 0;
* - AFS ACLs are attached to directories only, and a file is controlled by its
* parent directory's ACL
*/
-int afs_permission(struct inode *inode, int mask, struct nameidata *nd)
+int afs_permission(struct inode *inode, int mask)
{
struct afs_vnode *vnode = AFS_FS_I(inode);
- afs_access_t access;
+ afs_access_t uninitialized_var(access);
struct key *key;
int ret;
- _enter("{%x:%x},%x,", vnode->fid.vid, vnode->fid.vnode, mask);
+ _enter("{{%x:%u},%lx},%x,",
+ vnode->fid.vid, vnode->fid.vnode, vnode->flags, mask);
key = afs_request_key(vnode->volume->cell);
if (IS_ERR(key)) {
return PTR_ERR(key);
}
+ /* if the promise has expired, we need to check the server again */
+ if (!vnode->cb_promised) {
+ _debug("not promised");
+ ret = afs_vnode_fetch_status(vnode, NULL, key);
+ if (ret < 0)
+ goto error;
+ _debug("new promise [fl=%lx]", vnode->flags);
+ }
+
/* check the permits to see if we've got one yet */
ret = afs_check_permit(vnode, key, &access);
- if (ret < 0) {
- key_put(key);
- _leave(" = %d [check]", ret);
- return ret;
- }
+ if (ret < 0)
+ goto error;
/* interpret the access mask */
_debug("REQ %x ACC %x on %s",
}
key_put(key);
- return generic_permission(inode, mask, NULL);
+ ret = generic_permission(inode, mask, NULL);
+ _leave(" = %d", ret);
+ return ret;
permission_denied:
+ ret = -EACCES;
+error:
key_put(key);
- _leave(" = -EACCES");
- return -EACCES;
+ _leave(" = %d", ret);
+ return ret;
}