afs: Clear AFS_VNODE_CB_PROMISED if we detect callback expiry (61c347ba) · Commits · 戴 / test

fs/afs/inode.c

+13 −1

Original line number	Diff line number	Diff line
		@@ -571,7 +571,7 @@ bool afs_check_validity(struct afs_vnode *vnode)
		struct afs_server *server;
		struct afs_volume *volume = vnode->volume;
		time64_t now = ktime_get_real_seconds();
		bool valid;
		bool valid, need_clear = false;
		unsigned int cb_break, cb_s_break, cb_v_break;
		int seq = 0;

		@@ -589,10 +589,13 @@ bool afs_check_validity(struct afs_vnode *vnode)
		vnode->cb_v_break != cb_v_break) {
		vnode->cb_s_break = cb_s_break;
		vnode->cb_v_break = cb_v_break;
		need_clear = true;
		valid = false;
		} else if (test_bit(AFS_VNODE_ZAP_DATA, &vnode->flags)) {
		need_clear = true;
		valid = false;
		} else if (vnode->cb_expires_at - 10 <= now) {
		need_clear = true;
		valid = false;
		} else {
		valid = true;
		@@ -607,6 +610,15 @@ bool afs_check_validity(struct afs_vnode *vnode)
		} while (need_seqretry(&vnode->cb_lock, seq));

		done_seqretry(&vnode->cb_lock, seq);

		if (need_clear) {
		write_seqlock(&vnode->cb_lock);
		if (cb_break == vnode->cb_break)
		__afs_break_callback(vnode);
		write_sequnlock(&vnode->cb_lock);
		valid = false;
		}

		return valid;
		}