diff options
Diffstat (limited to 'fs/afs/callback.c')
| -rw-r--r-- | fs/afs/callback.c | 36 |
1 files changed, 32 insertions, 4 deletions
diff --git a/fs/afs/callback.c b/fs/afs/callback.c index e674bebbb8b..639399f0ab6 100644 --- a/fs/afs/callback.c +++ b/fs/afs/callback.c @@ -44,7 +44,8 @@ void afs_init_callback_state(struct afs_server *server) while (!RB_EMPTY_ROOT(&server->cb_promises)) { vnode = rb_entry(server->cb_promises.rb_node, struct afs_vnode, cb_promise); - printk("\nUNPROMISE on %p\n", vnode); + _debug("UNPROMISE { vid=%x vn=%u uq=%u}", + vnode->fid.vid, vnode->fid.vnode, vnode->fid.unique); rb_erase(&vnode->cb_promise, &server->cb_promises); vnode->cb_promised = false; } @@ -68,7 +69,7 @@ void afs_broken_callback_work(struct work_struct *work) /* we're only interested in dealing with a broken callback on *this* * vnode and only if no-one else has dealt with it yet */ - if (!mutex_trylock(&vnode->cb_broken_lock)) + if (!mutex_trylock(&vnode->validate_lock)) return; /* someone else is dealing with it */ if (test_bit(AFS_VNODE_CB_BROKEN, &vnode->flags)) { @@ -84,13 +85,14 @@ void afs_broken_callback_work(struct work_struct *work) /* if the vnode's data version number changed then its contents * are different */ if (test_and_clear_bit(AFS_VNODE_ZAP_DATA, &vnode->flags)) { - _debug("zap data"); + _debug("zap data {%x:%u}", + vnode->fid.vid, vnode->fid.vnode); invalidate_remote_inode(&vnode->vfs_inode); } } out: - mutex_unlock(&vnode->cb_broken_lock); + mutex_unlock(&vnode->validate_lock); /* avoid the potential race whereby the mutex_trylock() in this * function happens again between the clear_bit() and the @@ -252,6 +254,32 @@ static void afs_do_give_up_callback(struct afs_server *server, } /* + * discard the callback on a deleted item + */ +void afs_discard_callback_on_delete(struct afs_vnode *vnode) +{ + struct afs_server *server = vnode->server; + + _enter("%d", vnode->cb_promised); + + if (!vnode->cb_promised) { + _leave(" [not promised]"); + return; + } + + ASSERT(server != NULL); + + spin_lock(&server->cb_lock); + if (vnode->cb_promised) { + ASSERT(server->cb_promises.rb_node != NULL); + rb_erase(&vnode->cb_promise, &server->cb_promises); + vnode->cb_promised = false; + } + spin_unlock(&server->cb_lock); + _leave(""); +} + +/* * give up the callback registered for a vnode on the file server when the * inode is being cleared */ |