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head/sys/fs/nfsclient/nfs_clbio.c
| Show First 20 Lines • Show All 178 Lines • ▼ Show 20 Lines | ncl_getpages(struct vop_getpages_args *ap) | ||||
| /* | /* | ||||
| * We use only the kva address for the buffer, but this is extremely | * We use only the kva address for the buffer, but this is extremely | ||||
| * convenient and fast. | * convenient and fast. | ||||
| */ | */ | ||||
| bp = getpbuf(&ncl_pbuf_freecnt); | bp = getpbuf(&ncl_pbuf_freecnt); | ||||
| kva = (vm_offset_t) bp->b_data; | kva = (vm_offset_t) bp->b_data; | ||||
| pmap_qenter(kva, pages, npages); | pmap_qenter(kva, pages, npages); | ||||
| PCPU_INC(cnt.v_vnodein); | VM_CNT_INC(v_vnodein); | ||||
| PCPU_ADD(cnt.v_vnodepgsin, npages); | VM_CNT_ADD(v_vnodepgsin, npages); | ||||
| count = npages << PAGE_SHIFT; | count = npages << PAGE_SHIFT; | ||||
| iov.iov_base = (caddr_t) kva; | iov.iov_base = (caddr_t) kva; | ||||
| iov.iov_len = count; | iov.iov_len = count; | ||||
| uio.uio_iov = &iov; | uio.uio_iov = &iov; | ||||
| uio.uio_iovcnt = 1; | uio.uio_iovcnt = 1; | ||||
| uio.uio_offset = IDX_TO_OFF(pages[0]->pindex); | uio.uio_offset = IDX_TO_OFF(pages[0]->pindex); | ||||
| uio.uio_resid = count; | uio.uio_resid = count; | ||||
| ▲ Show 20 Lines • Show All 118 Lines • ▼ Show 20 Lines | ncl_putpages(struct vop_putpages_args *ap) | ||||
| */ | */ | ||||
| if (offset + count > np->n_size) { | if (offset + count > np->n_size) { | ||||
| count = np->n_size - offset; | count = np->n_size - offset; | ||||
| if (count < 0) | if (count < 0) | ||||
| count = 0; | count = 0; | ||||
| } | } | ||||
| mtx_unlock(&np->n_mtx); | mtx_unlock(&np->n_mtx); | ||||
| PCPU_INC(cnt.v_vnodeout); | VM_CNT_INC(v_vnodeout); | ||||
| PCPU_ADD(cnt.v_vnodepgsout, count); | VM_CNT_ADD(v_vnodepgsout, count); | ||||
| iov.iov_base = unmapped_buf; | iov.iov_base = unmapped_buf; | ||||
| iov.iov_len = count; | iov.iov_len = count; | ||||
| uio.uio_iov = &iov; | uio.uio_iov = &iov; | ||||
| uio.uio_iovcnt = 1; | uio.uio_iovcnt = 1; | ||||
| uio.uio_offset = offset; | uio.uio_offset = offset; | ||||
| uio.uio_resid = count; | uio.uio_resid = count; | ||||
| uio.uio_segflg = UIO_NOCOPY; | uio.uio_segflg = UIO_NOCOPY; | ||||
| ▲ Show 20 Lines • Show All 1,564 Lines • Show Last 20 Lines | |||||