
- the "fs bshift" for block devices is always DEV_BSHIFT. - retrieve the device vnode from VOP_BMAP() and use that to set b_dev in page i/o buffers.
- the "fs bshift" for block devices is always DEV_BSHIFT. - retrieve the device vnode from VOP_BMAP() and use that to set b_dev in page i/o buffers.