I_WB_SWITCH
inode_state_clear(inode, I_WB_SWITCH);
inode_state_read(inode) & (I_WB_SWITCH | I_FREEING | I_WILL_FREE) ||
inode_state_set(inode, I_WB_SWITCH);
if (inode_state_read_once(inode) & I_WB_SWITCH)
cookie->locked = inode_state_read_once(inode) & I_WB_SWITCH;
{I_WB_SWITCH, "I_WB_SWITCH"}, \