fa9e4066f08beec538e775443c5be79dd423fcabahrens/*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * CDDL HEADER START
fa9e4066f08beec538e775443c5be79dd423fcabahrens *
fa9e4066f08beec538e775443c5be79dd423fcabahrens * The contents of this file are subject to the terms of the
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * Common Development and Distribution License (the "License").
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * You may not use this file except in compliance with the License.
fa9e4066f08beec538e775443c5be79dd423fcabahrens *
fa9e4066f08beec538e775443c5be79dd423fcabahrens * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
fa9e4066f08beec538e775443c5be79dd423fcabahrens * or http://www.opensolaris.org/os/licensing.
fa9e4066f08beec538e775443c5be79dd423fcabahrens * See the License for the specific language governing permissions
fa9e4066f08beec538e775443c5be79dd423fcabahrens * and limitations under the License.
fa9e4066f08beec538e775443c5be79dd423fcabahrens *
fa9e4066f08beec538e775443c5be79dd423fcabahrens * When distributing Covered Code, include this CDDL HEADER in each
fa9e4066f08beec538e775443c5be79dd423fcabahrens * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
fa9e4066f08beec538e775443c5be79dd423fcabahrens * If applicable, add the following below this CDDL HEADER, with the
fa9e4066f08beec538e775443c5be79dd423fcabahrens * fields enclosed by brackets "[]" replaced with your own identifying
fa9e4066f08beec538e775443c5be79dd423fcabahrens * information: Portions Copyright [yyyy] [name of copyright owner]
fa9e4066f08beec538e775443c5be79dd423fcabahrens *
fa9e4066f08beec538e775443c5be79dd423fcabahrens * CDDL HEADER END
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
fa9e4066f08beec538e775443c5be79dd423fcabahrens/*
98d1cbfec254295273b6a761bc1861c0374bdf02George Wilson * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
97e81309571898df9fdd94aab1216dfcf23e060bPrakash Surya * Copyright (c) 2011, 2015 by Delphix. All rights reserved.
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/zfs_context.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/spa.h>
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilson#include <sys/spa_impl.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/vdev_file.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/vdev_impl.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/zio.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/fs/zfs.h>
51ece83525fa18f5e72627610f480dffc7e492fdeschrock#include <sys/fm/fs/zfs.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens/*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * Virtual device vector for files.
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
fa9e4066f08beec538e775443c5be79dd423fcabahrens
dcba9f3fbefe06ad19972b4de0351924601e5767George Wilsonstatic void
dcba9f3fbefe06ad19972b4de0351924601e5767George Wilsonvdev_file_hold(vdev_t *vd)
dcba9f3fbefe06ad19972b4de0351924601e5767George Wilson{
dcba9f3fbefe06ad19972b4de0351924601e5767George Wilson ASSERT(vd->vdev_path != NULL);
dcba9f3fbefe06ad19972b4de0351924601e5767George Wilson}
dcba9f3fbefe06ad19972b4de0351924601e5767George Wilson
dcba9f3fbefe06ad19972b4de0351924601e5767George Wilsonstatic void
dcba9f3fbefe06ad19972b4de0351924601e5767George Wilsonvdev_file_rele(vdev_t *vd)
dcba9f3fbefe06ad19972b4de0351924601e5767George Wilson{
dcba9f3fbefe06ad19972b4de0351924601e5767George Wilson ASSERT(vd->vdev_path != NULL);
dcba9f3fbefe06ad19972b4de0351924601e5767George Wilson}
dcba9f3fbefe06ad19972b4de0351924601e5767George Wilson
fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic int
4263d13f00c9691fa14620eff82abef795be0693George Wilsonvdev_file_open(vdev_t *vd, uint64_t *psize, uint64_t *max_psize,
4263d13f00c9691fa14620eff82abef795be0693George Wilson uint64_t *ashift)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens vdev_file_t *vf;
fa9e4066f08beec538e775443c5be79dd423fcabahrens vnode_t *vp;
e14bb3258d05c1b1077e2db7cf77088924e56919Jeff Bonwick vattr_t vattr;
fa9e4066f08beec538e775443c5be79dd423fcabahrens int error;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens /*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * We must have a pathname, and it must be absolute.
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (vd->vdev_path == NULL || vd->vdev_path[0] != '/') {
fa9e4066f08beec538e775443c5be79dd423fcabahrens vd->vdev_stat.vs_aux = VDEV_AUX_BAD_LABEL;
be6fd75a69ae679453d9cda5bff3326111e6d1caMatthew Ahrens return (SET_ERROR(EINVAL));
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
095bcd6622e3b3520eb3b71039a3be5cfab25b74George Wilson /*
095bcd6622e3b3520eb3b71039a3be5cfab25b74George Wilson * Reopen the device if it's not currently open. Otherwise,
095bcd6622e3b3520eb3b71039a3be5cfab25b74George Wilson * just update the physical size of the device.
095bcd6622e3b3520eb3b71039a3be5cfab25b74George Wilson */
095bcd6622e3b3520eb3b71039a3be5cfab25b74George Wilson if (vd->vdev_tsd != NULL) {
095bcd6622e3b3520eb3b71039a3be5cfab25b74George Wilson ASSERT(vd->vdev_reopening);
095bcd6622e3b3520eb3b71039a3be5cfab25b74George Wilson vf = vd->vdev_tsd;
095bcd6622e3b3520eb3b71039a3be5cfab25b74George Wilson goto skip_open;
095bcd6622e3b3520eb3b71039a3be5cfab25b74George Wilson }
095bcd6622e3b3520eb3b71039a3be5cfab25b74George Wilson
fa9e4066f08beec538e775443c5be79dd423fcabahrens vf = vd->vdev_tsd = kmem_zalloc(sizeof (vdev_file_t), KM_SLEEP);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens /*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * We always open the files from the root of the global zone, even if
fa9e4066f08beec538e775443c5be79dd423fcabahrens * we're in a local zone. If the user has gotten to this point, the
fa9e4066f08beec538e775443c5be79dd423fcabahrens * administrator has already decided that the pool should be available
fa9e4066f08beec538e775443c5be79dd423fcabahrens * to local zone users, so the underlying devices should be as well.
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
fa9e4066f08beec538e775443c5be79dd423fcabahrens ASSERT(vd->vdev_path != NULL && vd->vdev_path[0] == '/');
0a4e9518a44f226be6d39383330b5b1792d2f184gw error = vn_openat(vd->vdev_path + 1, UIO_SYSSPACE,
8ad4d6dd86f5bc65fb3afa566c8133f3bac21648Jeff Bonwick spa_mode(vd->vdev_spa) | FOFFMAX, 0, &vp, 0, 0, rootdir, -1);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (error) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens vd->vdev_stat.vs_aux = VDEV_AUX_OPEN_FAILED;
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (error);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens vf->vf_vnode = vp;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens#ifdef _KERNEL
fa9e4066f08beec538e775443c5be79dd423fcabahrens /*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * Make sure it's a regular file.
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (vp->v_type != VREG) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens vd->vdev_stat.vs_aux = VDEV_AUX_OPEN_FAILED;
be6fd75a69ae679453d9cda5bff3326111e6d1caMatthew Ahrens return (SET_ERROR(ENODEV));
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens#endif
095bcd6622e3b3520eb3b71039a3be5cfab25b74George Wilson
095bcd6622e3b3520eb3b71039a3be5cfab25b74George Wilsonskip_open:
fa9e4066f08beec538e775443c5be79dd423fcabahrens /*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * Determine the physical size of the file.
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
fa9e4066f08beec538e775443c5be79dd423fcabahrens vattr.va_mask = AT_SIZE;
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw error = VOP_GETATTR(vf->vf_vnode, &vattr, 0, kcred, NULL);
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (error) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens vd->vdev_stat.vs_aux = VDEV_AUX_OPEN_FAILED;
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (error);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
4263d13f00c9691fa14620eff82abef795be0693George Wilson *max_psize = *psize = vattr.va_size;
fa9e4066f08beec538e775443c5be79dd423fcabahrens *ashift = SPA_MINBLOCKSHIFT;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (0);
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic void
fa9e4066f08beec538e775443c5be79dd423fcabahrensvdev_file_close(vdev_t *vd)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens vdev_file_t *vf = vd->vdev_tsd;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
095bcd6622e3b3520eb3b71039a3be5cfab25b74George Wilson if (vd->vdev_reopening || vf == NULL)
fa9e4066f08beec538e775443c5be79dd423fcabahrens return;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (vf->vf_vnode != NULL) {
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw (void) VOP_PUTPAGE(vf->vf_vnode, 0, 0, B_INVAL, kcred, NULL);
8ad4d6dd86f5bc65fb3afa566c8133f3bac21648Jeff Bonwick (void) VOP_CLOSE(vf->vf_vnode, spa_mode(vd->vdev_spa), 1, 0,
8ad4d6dd86f5bc65fb3afa566c8133f3bac21648Jeff Bonwick kcred, NULL);
fa9e4066f08beec538e775443c5be79dd423fcabahrens VN_RELE(vf->vf_vnode);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
98d1cbfec254295273b6a761bc1861c0374bdf02George Wilson vd->vdev_delayed_close = B_FALSE;
fa9e4066f08beec538e775443c5be79dd423fcabahrens kmem_free(vf, sizeof (vdev_file_t));
fa9e4066f08beec538e775443c5be79dd423fcabahrens vd->vdev_tsd = NULL;
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilson/*
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilson * Implements the interrupt side for file vdev types. This routine will be
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilson * called when the I/O completes allowing us to transfer the I/O to the
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilson * interrupt taskqs. For consistency, the code structure mimics disk vdev
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilson * types.
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilson */
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilsonstatic void
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilsonvdev_file_io_intr(buf_t *bp)
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilson{
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilson vdev_buf_t *vb = (vdev_buf_t *)bp;
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilson zio_t *zio = vb->vb_io;
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilson
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilson zio->io_error = (geterror(bp) != 0 ? EIO : 0);
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilson if (zio->io_error == 0 && bp->b_resid != 0)
be6fd75a69ae679453d9cda5bff3326111e6d1caMatthew Ahrens zio->io_error = SET_ERROR(ENOSPC);
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilson
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilson kmem_free(vb, sizeof (vdev_buf_t));
97e81309571898df9fdd94aab1216dfcf23e060bPrakash Surya zio_delay_interrupt(zio);
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilson}
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilson
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilsonstatic void
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilsonvdev_file_io_strategy(void *arg)
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilson{
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilson buf_t *bp = arg;
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilson vnode_t *vp = bp->b_private;
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilson ssize_t resid;
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilson int error;
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilson
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilson error = vn_rdwr((bp->b_flags & B_READ) ? UIO_READ : UIO_WRITE,
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilson vp, bp->b_un.b_addr, bp->b_bcount, ldbtob(bp->b_lblkno),
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilson UIO_SYSSPACE, 0, RLIM64_INFINITY, kcred, &resid);
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilson
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilson if (error == 0) {
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilson bp->b_resid = resid;
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilson biodone(bp);
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilson } else {
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilson bioerror(bp, error);
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilson biodone(bp);
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilson }
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilson}
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilson
738f37bc3dcd61e8a893af0f2d466d76690b70ecGeorge Wilsonstatic void
fa9e4066f08beec538e775443c5be79dd423fcabahrensvdev_file_io_start(zio_t *zio)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens vdev_t *vd = zio->io_vd;
fa9e4066f08beec538e775443c5be79dd423fcabahrens vdev_file_t *vf = vd->vdev_tsd;
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilson vdev_buf_t *vb;
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilson buf_t *bp;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (zio->io_type == ZIO_TYPE_IOCTL) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens /* XXPOLICY */
0a4e9518a44f226be6d39383330b5b1792d2f184gw if (!vdev_readable(vd)) {
be6fd75a69ae679453d9cda5bff3326111e6d1caMatthew Ahrens zio->io_error = SET_ERROR(ENXIO);
738f37bc3dcd61e8a893af0f2d466d76690b70ecGeorge Wilson zio_interrupt(zio);
738f37bc3dcd61e8a893af0f2d466d76690b70ecGeorge Wilson return;
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens switch (zio->io_cmd) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens case DKIOCFLUSHWRITECACHE:
fa9e4066f08beec538e775443c5be79dd423fcabahrens zio->io_error = VOP_FSYNC(vf->vf_vnode, FSYNC | FDSYNC,
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw kcred, NULL);
fa9e4066f08beec538e775443c5be79dd423fcabahrens break;
fa9e4066f08beec538e775443c5be79dd423fcabahrens default:
be6fd75a69ae679453d9cda5bff3326111e6d1caMatthew Ahrens zio->io_error = SET_ERROR(ENOTSUP);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
738f37bc3dcd61e8a893af0f2d466d76690b70ecGeorge Wilson zio_execute(zio);
738f37bc3dcd61e8a893af0f2d466d76690b70ecGeorge Wilson return;
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
f693d300fbefaa2bd9a229a874b5994532a30d87Steven Hartland ASSERT(zio->io_type == ZIO_TYPE_READ || zio->io_type == ZIO_TYPE_WRITE);
97e81309571898df9fdd94aab1216dfcf23e060bPrakash Surya zio->io_target_timestamp = zio_handle_io_delay(zio);
f693d300fbefaa2bd9a229a874b5994532a30d87Steven Hartland
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilson vb = kmem_alloc(sizeof (vdev_buf_t), KM_SLEEP);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilson vb->vb_io = zio;
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilson bp = &vb->vb_buf;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilson bioinit(bp);
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilson bp->b_flags = (zio->io_type == ZIO_TYPE_READ ? B_READ : B_WRITE);
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilson bp->b_bcount = zio->io_size;
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilson bp->b_un.b_addr = zio->io_data;
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilson bp->b_lblkno = lbtodb(zio->io_offset);
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilson bp->b_bufsize = zio->io_size;
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilson bp->b_private = vf->vf_vnode;
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilson bp->b_iodone = (int (*)())vdev_file_io_intr;
31d7e8fa33fae995f558673adb22641b5aa8b6e1George Wilson
2c1e2b44148432fb7a509dd216a99299b6740250George Wilson VERIFY3U(taskq_dispatch(system_taskq, vdev_file_io_strategy, bp,
2c1e2b44148432fb7a509dd216a99299b6740250George Wilson TQ_SLEEP), !=, 0);
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
e14bb3258d05c1b1077e2db7cf77088924e56919Jeff Bonwick/* ARGSUSED */
e14bb3258d05c1b1077e2db7cf77088924e56919Jeff Bonwickstatic void
fa9e4066f08beec538e775443c5be79dd423fcabahrensvdev_file_io_done(zio_t *zio)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrensvdev_ops_t vdev_file_ops = {
fa9e4066f08beec538e775443c5be79dd423fcabahrens vdev_file_open,
fa9e4066f08beec538e775443c5be79dd423fcabahrens vdev_file_close,
fa9e4066f08beec538e775443c5be79dd423fcabahrens vdev_default_asize,
fa9e4066f08beec538e775443c5be79dd423fcabahrens vdev_file_io_start,
fa9e4066f08beec538e775443c5be79dd423fcabahrens vdev_file_io_done,
fa9e4066f08beec538e775443c5be79dd423fcabahrens NULL,
dcba9f3fbefe06ad19972b4de0351924601e5767George Wilson vdev_file_hold,
dcba9f3fbefe06ad19972b4de0351924601e5767George Wilson vdev_file_rele,
fa9e4066f08beec538e775443c5be79dd423fcabahrens VDEV_TYPE_FILE, /* name of this vdev type */
fa9e4066f08beec538e775443c5be79dd423fcabahrens B_TRUE /* leaf vdev */
fa9e4066f08beec538e775443c5be79dd423fcabahrens};
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens/*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * From userland we access disks just like files.
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
fa9e4066f08beec538e775443c5be79dd423fcabahrens#ifndef _KERNEL
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrensvdev_ops_t vdev_disk_ops = {
fa9e4066f08beec538e775443c5be79dd423fcabahrens vdev_file_open,
fa9e4066f08beec538e775443c5be79dd423fcabahrens vdev_file_close,
fa9e4066f08beec538e775443c5be79dd423fcabahrens vdev_default_asize,
fa9e4066f08beec538e775443c5be79dd423fcabahrens vdev_file_io_start,
fa9e4066f08beec538e775443c5be79dd423fcabahrens vdev_file_io_done,
fa9e4066f08beec538e775443c5be79dd423fcabahrens NULL,
dcba9f3fbefe06ad19972b4de0351924601e5767George Wilson vdev_file_hold,
dcba9f3fbefe06ad19972b4de0351924601e5767George Wilson vdev_file_rele,
fa9e4066f08beec538e775443c5be79dd423fcabahrens VDEV_TYPE_DISK, /* name of this vdev type */
fa9e4066f08beec538e775443c5be79dd423fcabahrens B_TRUE /* leaf vdev */
fa9e4066f08beec538e775443c5be79dd423fcabahrens};
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens#endif