/*
* clear an AFS inode
*/
void afs_clear_inode(struct inode *inode)
{
struct afs_vnode *vnode;
vnode = AFS_FS_I(inode);
_enter("ino=%lu { vn=%08x v=%u x=%u t=%u }",
inode->i_ino,
vnode->fid.vnode,
vnode->cb_version,
vnode->cb_expiry,
vnode->cb_type
);
BUG_ON(inode->i_ino != vnode->fid.vnode);
afs_vnode_give_up_callback(vnode);
#ifdef AFS_CACHING_SUPPORT
cachefs_relinquish_cookie(vnode->cache, 0);
vnode->cache = NULL;
#endif
_leave("");
} /* end afs_clear_inode() */
/*
* destroy a volume record
*/
void afs_put_volume(struct afs_volume *volume)
{
struct afs_vlocation *vlocation;
int loop;
if (!volume)
return;
_enter("%p", volume);
ASSERTCMP(atomic_read(&volume->usage), >, 0);
vlocation = volume->vlocation;
/* to prevent a race, the decrement and the dequeue must be effectively
* atomic */
down_write(&vlocation->cell->vl_sem);
if (likely(!atomic_dec_and_test(&volume->usage))) {
up_write(&vlocation->cell->vl_sem);
_leave("");
return;
}
vlocation->vols[volume->type] = NULL;
up_write(&vlocation->cell->vl_sem);
/* finish cleaning up the volume */
#ifdef AFS_CACHING_SUPPORT
cachefs_relinquish_cookie(volume->cache, 0);
#endif
afs_put_vlocation(vlocation);
for (loop = volume->nservers - 1; loop >= 0; loop--)
afs_put_server(volume->servers[loop]);
kfree(volume);
_leave(" [destroyed]");
}
