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Diffstat (limited to 'sys/fs/nandfs/nandfs_segment.c')
-rw-r--r--sys/fs/nandfs/nandfs_segment.c1314
1 files changed, 0 insertions, 1314 deletions
diff --git a/sys/fs/nandfs/nandfs_segment.c b/sys/fs/nandfs/nandfs_segment.c
deleted file mode 100644
index 36efc89af409..000000000000
--- a/sys/fs/nandfs/nandfs_segment.c
+++ /dev/null
@@ -1,1314 +0,0 @@
-/*-
- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
- *
- * Copyright (c) 2010-2012 Semihalf.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include "opt_ddb.h"
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/conf.h>
-#include <sys/gsb_crc32.h>
-#include <sys/kernel.h>
-#include <sys/lock.h>
-#include <sys/malloc.h>
-#include <sys/mount.h>
-#include <sys/mutex.h>
-#include <sys/namei.h>
-#include <sys/rwlock.h>
-#include <sys/sysctl.h>
-#include <sys/vnode.h>
-#include <sys/buf.h>
-#include <sys/bio.h>
-#include <sys/libkern.h>
-
-#include <ddb/ddb.h>
-
-#include <vm/vm.h>
-#include <vm/vm_param.h>
-#include <vm/vm_kern.h>
-#include <vm/vm_page.h>
-
-#include <geom/geom.h>
-#include <geom/geom_vfs.h>
-
-#include <fs/nandfs/nandfs_mount.h>
-#include <fs/nandfs/nandfs.h>
-#include <fs/nandfs/nandfs_subr.h>
-
-static int
-nandfs_new_segment(struct nandfs_device *fsdev)
-{
- int error = 0;
- uint64_t new;
-
- error = nandfs_alloc_segment(fsdev, &new);
- if (!error) {
- fsdev->nd_seg_num = fsdev->nd_next_seg_num;
- fsdev->nd_next_seg_num = new;
- }
- DPRINTF(SYNC, ("%s: new segment %jx next %jx error %d\n",
- __func__, (uintmax_t)fsdev->nd_seg_num, (uintmax_t)new, error));
- if (error)
- nandfs_error("%s: cannot create segment error %d\n",
- __func__, error);
-
- return (error);
-}
-
-static int
-create_segment(struct nandfs_seginfo *seginfo)
-{
- struct nandfs_segment *seg;
- struct nandfs_device *fsdev;
- struct nandfs_segment *prev;
- struct buf *bp;
- uint64_t start_block, curr;
- uint32_t blks_per_seg, nblocks;
- int error;
-
- fsdev = seginfo->fsdev;
- prev = seginfo->curseg;
- blks_per_seg = fsdev->nd_fsdata.f_blocks_per_segment;
- nblocks = fsdev->nd_last_segsum.ss_nblocks;
-
- if (!prev) {
- vfs_timestamp(&fsdev->nd_ts);
- /* Touch current segment */
- error = nandfs_touch_segment(fsdev, fsdev->nd_seg_num);
- if (error) {
- nandfs_error("%s: cannot preallocate segment %jx\n",
- __func__, fsdev->nd_seg_num);
- return (error);
- }
- error = nandfs_touch_segment(fsdev, 0);
- if (error) {
- nandfs_error("%s: cannot dirty block with segment 0\n",
- __func__);
- return (error);
- }
- start_block = fsdev->nd_last_pseg + (uint64_t)nblocks;
- /*
- * XXX Hack
- */
- if (blks_per_seg - (start_block % blks_per_seg) - 1 == 0)
- start_block++;
- curr = nandfs_get_segnum_of_block(fsdev, start_block);
- /* Allocate new segment if last one is full */
- if (fsdev->nd_seg_num != curr) {
- error = nandfs_new_segment(fsdev);
- if (error) {
- nandfs_error("%s: cannot create new segment\n",
- __func__);
- return (error);
- }
- /*
- * XXX Hack
- */
- nandfs_get_segment_range(fsdev, fsdev->nd_seg_num, &start_block, NULL);
- }
- } else {
- nandfs_get_segment_range(fsdev, fsdev->nd_next_seg_num,
- &start_block, NULL);
-
- /* Touch current segment and allocate and touch new one */
- error = nandfs_new_segment(fsdev);
- if (error) {
- nandfs_error("%s: cannot create next segment\n",
- __func__);
- return (error);
- }
-
- /* Reiterate in case new buf is dirty */
- seginfo->reiterate = 1;
- }
-
- /* Allocate and initialize nandfs_segment structure */
- seg = malloc(sizeof(*seg), M_DEVBUF, M_WAITOK|M_ZERO);
- TAILQ_INIT(&seg->segsum);
- TAILQ_INIT(&seg->data);
- seg->fsdev = fsdev;
- seg->start_block = start_block;
- seg->num_blocks = blks_per_seg - (start_block % blks_per_seg) - 1;
- seg->seg_num = fsdev->nd_seg_num;
- seg->seg_next = fsdev->nd_next_seg_num;
- seg->segsum_blocks = 1;
- seg->bytes_left = fsdev->nd_blocksize -
- sizeof(struct nandfs_segment_summary);
- seg->segsum_bytes = sizeof(struct nandfs_segment_summary);
-
- /* Allocate buffer for segment summary */
- bp = getblk(fsdev->nd_devvp, nandfs_block_to_dblock(fsdev,
- seg->start_block), fsdev->nd_blocksize, 0, 0, 0);
- bzero(bp->b_data, seginfo->fsdev->nd_blocksize);
- bp->b_bufobj = &seginfo->fsdev->nd_devvp->v_bufobj;
- bp->b_flags |= B_MANAGED;
-
- /* Add buffer to segment */
- TAILQ_INSERT_TAIL(&seg->segsum, bp, b_cluster.cluster_entry);
- seg->current_off = bp->b_data + sizeof(struct nandfs_segment_summary);
-
- DPRINTF(SYNC, ("%s: seg %p : initial settings: start %#jx size :%#x\n",
- __func__, seg, (uintmax_t)seg->start_block, seg->num_blocks));
- DPRINTF(SYNC, ("%s: seg->seg_num %#jx cno %#jx next %#jx\n", __func__,
- (uintmax_t)seg->seg_num, (uintmax_t)(fsdev->nd_last_cno + 1),
- (uintmax_t)seg->seg_next));
-
- if (!prev)
- LIST_INSERT_HEAD(&seginfo->seg_list, seg, seg_link);
- else
- LIST_INSERT_AFTER(prev, seg, seg_link);
-
- seginfo->curseg = seg;
-
- return (0);
-}
-
-static int
-delete_segment(struct nandfs_seginfo *seginfo)
-{
- struct nandfs_segment *seg, *tseg;
- struct buf *bp, *tbp;
-
- LIST_FOREACH_SAFE(seg, &seginfo->seg_list, seg_link, tseg) {
- TAILQ_FOREACH_SAFE(bp, &seg->segsum, b_cluster.cluster_entry,
- tbp) {
- TAILQ_REMOVE(&seg->segsum, bp, b_cluster.cluster_entry);
- bp->b_flags &= ~B_MANAGED;
- brelse(bp);
- }
-
- LIST_REMOVE(seg, seg_link);
- free(seg, M_DEVBUF);
- }
-
- return (0);
-}
-
-static int
-create_seginfo(struct nandfs_device *fsdev, struct nandfs_seginfo **seginfo)
-{
- struct nandfs_seginfo *info;
-
- info = malloc(sizeof(*info), M_DEVBUF, M_WAITOK);
-
- LIST_INIT(&info->seg_list);
- info->fsdev = fsdev;
- info->curseg = NULL;
- info->blocks = 0;
- *seginfo = info;
- fsdev->nd_seginfo = info;
- return (0);
-}
-
-static int
-delete_seginfo(struct nandfs_seginfo *seginfo)
-{
- struct nandfs_device *nffsdev;
-
- nffsdev = seginfo->fsdev;
- delete_segment(seginfo);
- nffsdev->nd_seginfo = NULL;
- free(seginfo, M_DEVBUF);
-
- return (0);
-}
-
-static int
-nandfs_create_superroot_block(struct nandfs_seginfo *seginfo,
- struct buf **newbp)
-{
- struct buf *bp;
- int error;
-
- bp = nandfs_geteblk(seginfo->fsdev->nd_blocksize, GB_NOWAIT_BD);
-
- bzero(bp->b_data, seginfo->fsdev->nd_blocksize);
- bp->b_bufobj = &seginfo->fsdev->nd_devvp->v_bufobj;
- bp->b_flags |= B_MANAGED;
-
- if (!(seginfo->curseg) || !seginfo->curseg->num_blocks) {
- error = create_segment(seginfo);
- if (error) {
- brelse(bp);
- nandfs_error("%s: no segment for superroot\n",
- __func__);
- return (error);
- }
- }
-
- TAILQ_INSERT_TAIL(&seginfo->curseg->data, bp, b_cluster.cluster_entry);
-
- seginfo->curseg->nblocks++;
- seginfo->curseg->num_blocks--;
- seginfo->blocks++;
-
- *newbp = bp;
- return (0);
-}
-
-static int
-nandfs_add_superroot(struct nandfs_seginfo *seginfo)
-{
- struct nandfs_device *fsdev;
- struct nandfs_super_root *sr;
- struct buf *bp = NULL;
- uint64_t crc_skip;
- uint32_t crc_calc;
- int error;
-
- fsdev = seginfo->fsdev;
-
- error = nandfs_create_superroot_block(seginfo, &bp);
- if (error) {
- nandfs_error("%s: cannot add superroot\n", __func__);
- return (error);
- }
-
- sr = (struct nandfs_super_root *)bp->b_data;
- /* Save superroot CRC */
- sr->sr_bytes = NANDFS_SR_BYTES;
- sr->sr_flags = 0;
- sr->sr_nongc_ctime = 0;
-
- memcpy(&sr->sr_dat, &fsdev->nd_dat_node->nn_inode,
- sizeof(struct nandfs_inode));
- memcpy(&sr->sr_cpfile, &fsdev->nd_cp_node->nn_inode,
- sizeof(struct nandfs_inode));
- memcpy(&sr->sr_sufile, &fsdev->nd_su_node->nn_inode,
- sizeof(struct nandfs_inode));
-
- crc_skip = sizeof(sr->sr_sum);
- crc_calc = crc32((uint8_t *)sr + crc_skip, NANDFS_SR_BYTES - crc_skip);
-
- sr->sr_sum = crc_calc;
-
- bp->b_flags |= B_MANAGED;
- bp->b_bufobj = &seginfo->fsdev->nd_devvp->v_bufobj;
-
- bp->b_flags &= ~B_INVAL;
- nandfs_dirty_bufs_increment(fsdev);
- DPRINTF(SYNC, ("%s: bp:%p\n", __func__, bp));
-
- return (0);
-}
-
-static int
-nandfs_add_segsum_block(struct nandfs_seginfo *seginfo, struct buf **newbp)
-{
- struct nandfs_device *fsdev;
- nandfs_daddr_t blk;
- struct buf *bp;
- int error;
-
- if (!(seginfo->curseg) || seginfo->curseg->num_blocks <= 1) {
- error = create_segment(seginfo);
- if (error) {
- nandfs_error("%s: error:%d when creating segment\n",
- __func__, error);
- return (error);
- }
- *newbp = TAILQ_FIRST(&seginfo->curseg->segsum);
- return (0);
- }
-
- fsdev = seginfo->fsdev;
- blk = nandfs_block_to_dblock(fsdev, seginfo->curseg->start_block +
- seginfo->curseg->segsum_blocks);
-
- bp = getblk(fsdev->nd_devvp, blk, fsdev->nd_blocksize, 0, 0, 0);
-
- bzero(bp->b_data, seginfo->fsdev->nd_blocksize);
- bp->b_bufobj = &seginfo->fsdev->nd_devvp->v_bufobj;
- bp->b_flags |= B_MANAGED;
-
- TAILQ_INSERT_TAIL(&seginfo->curseg->segsum, bp,
- b_cluster.cluster_entry);
- seginfo->curseg->num_blocks--;
-
- seginfo->curseg->segsum_blocks++;
- seginfo->curseg->bytes_left = seginfo->fsdev->nd_blocksize;
- seginfo->curseg->current_off = bp->b_data;
- seginfo->blocks++;
-
- *newbp = bp;
-
- DPRINTF(SYNC, ("%s: bp %p\n", __func__, bp));
-
- return (0);
-}
-
-static int
-nandfs_add_blocks(struct nandfs_seginfo *seginfo, struct nandfs_node *node,
- struct buf *bp)
-{
- union nandfs_binfo *binfo;
- struct buf *seg_bp;
- int error;
-
- if (!(seginfo->curseg) || !seginfo->curseg->num_blocks) {
- error = create_segment(seginfo);
- if (error) {
- nandfs_error("%s: error:%d when creating segment\n",
- __func__, error);
- return (error);
- }
- }
-
- if (seginfo->curseg->bytes_left < sizeof(union nandfs_binfo)) {
- error = nandfs_add_segsum_block(seginfo, &seg_bp);
- if (error) {
- nandfs_error("%s: error:%d when adding segsum\n",
- __func__, error);
- return (error);
- }
- }
- binfo = (union nandfs_binfo *)seginfo->curseg->current_off;
-
- if (node->nn_ino != NANDFS_DAT_INO) {
- binfo->bi_v.bi_blkoff = bp->b_lblkno;
- binfo->bi_v.bi_ino = node->nn_ino;
- } else {
- binfo->bi_dat.bi_blkoff = bp->b_lblkno;
- binfo->bi_dat.bi_ino = node->nn_ino;
- if (NANDFS_IS_INDIRECT(bp))
- binfo->bi_dat.bi_level = 1;
- else
- binfo->bi_dat.bi_level = 0;
- }
- binfo++;
-
- seginfo->curseg->bytes_left -= sizeof(union nandfs_binfo);
- seginfo->curseg->segsum_bytes += sizeof(union nandfs_binfo);
- seginfo->curseg->current_off = (char *)binfo;
-
- TAILQ_INSERT_TAIL(&seginfo->curseg->data, bp, b_cluster.cluster_entry);
-
- seginfo->curseg->nbinfos++;
- seginfo->curseg->nblocks++;
- seginfo->curseg->num_blocks--;
- seginfo->blocks++;
-
- DPRINTF(SYNC, ("%s: bp (%p) number %x (left %x)\n",
- __func__, bp, seginfo->curseg->nblocks,
- seginfo->curseg->num_blocks));
- return (0);
-}
-
-static int
-nandfs_iterate_dirty_buf(struct vnode *vp, struct nandfs_seginfo *seginfo,
- uint8_t hold)
-{
- struct buf *bp, *tbd;
- struct bufobj *bo;
- struct nandfs_node *node;
- int error;
-
- node = VTON(vp);
- bo = &vp->v_bufobj;
-
- ASSERT_VOP_ELOCKED(vp, __func__);
-
- /* Iterate dirty data bufs */
- TAILQ_FOREACH_SAFE(bp, &bo->bo_dirty.bv_hd, b_bobufs, tbd) {
- DPRINTF(SYNC, ("%s: vp (%p): bp (%p) with lblkno %jx ino %jx "
- "add buf\n", __func__, vp, bp, bp->b_lblkno, node->nn_ino));
-
- if (!(NANDFS_ISGATHERED(bp))) {
- error = nandfs_bmap_update_dat(node,
- nandfs_vblk_get(bp), bp);
- if (error)
- return (error);
- NANDFS_GATHER(bp);
- nandfs_add_blocks(seginfo, node, bp);
- }
- }
-
- return (0);
-}
-
-static int
-nandfs_iterate_system_vnode(struct nandfs_node *node,
- struct nandfs_seginfo *seginfo)
-{
- struct vnode *vp;
- int nblocks;
- uint8_t hold = 0;
-
- if (node->nn_ino != NANDFS_IFILE_INO)
- hold = 1;
-
- vp = NTOV(node);
-
- nblocks = vp->v_bufobj.bo_dirty.bv_cnt;
- DPRINTF(SYNC, ("%s: vp (%p): nblocks %x ino %jx\n",
- __func__, vp, nblocks, node->nn_ino));
-
- if (nblocks)
- nandfs_iterate_dirty_buf(vp, seginfo, hold);
-
- return (0);
-}
-
-static int
-nandfs_iterate_dirty_vnodes(struct mount *mp, struct nandfs_seginfo *seginfo)
-{
- struct nandfs_node *nandfs_node;
- struct vnode *vp, *mvp;
- struct thread *td;
- struct bufobj *bo;
- int error, update;
-
- td = curthread;
-
- MNT_VNODE_FOREACH_ACTIVE(vp, mp, mvp) {
- update = 0;
-
- if (mp->mnt_syncer == vp || VOP_ISLOCKED(vp)) {
- VI_UNLOCK(vp);
- continue;
- }
- if (vget(vp, LK_EXCLUSIVE | LK_INTERLOCK | LK_NOWAIT, td) != 0)
- continue;
-
- nandfs_node = VTON(vp);
- if (nandfs_node->nn_flags & IN_MODIFIED) {
- nandfs_node->nn_flags &= ~(IN_MODIFIED);
- update = 1;
- }
-
- bo = &vp->v_bufobj;
- BO_LOCK(bo);
- if (vp->v_bufobj.bo_dirty.bv_cnt) {
- error = nandfs_iterate_dirty_buf(vp, seginfo, 0);
- if (error) {
- nandfs_error("%s: cannot iterate vnode:%p "
- "err:%d\n", __func__, vp, error);
- vput(vp);
- BO_UNLOCK(bo);
- return (error);
- }
- update = 1;
- } else
- vput(vp);
- BO_UNLOCK(bo);
-
- if (update)
- nandfs_node_update(nandfs_node);
- }
-
- return (0);
-}
-
-static int
-nandfs_update_phys_block(struct nandfs_device *fsdev, struct buf *bp,
- uint64_t phys_blknr, union nandfs_binfo *binfo)
-{
- struct nandfs_node *node, *dat;
- struct vnode *vp;
- uint64_t new_blknr;
- int error;
-
- vp = bp->b_vp;
- node = VTON(vp);
- new_blknr = nandfs_vblk_get(bp);
- dat = fsdev->nd_dat_node;
-
- DPRINTF(BMAP, ("%s: ino %#jx lblk %#jx: vblk %#jx -> %#jx\n",
- __func__, (uintmax_t)node->nn_ino, (uintmax_t)bp->b_lblkno,
- (uintmax_t)new_blknr, (uintmax_t)phys_blknr));
-
- if (node->nn_ino != NANDFS_DAT_INO) {
- KASSERT((new_blknr != 0), ("vblk for bp %p is 0", bp));
-
- nandfs_vblock_assign(fsdev, new_blknr, phys_blknr);
- binfo->bi_v.bi_vblocknr = new_blknr;
- binfo->bi_v.bi_blkoff = bp->b_lblkno;
- binfo->bi_v.bi_ino = node->nn_ino;
- } else {
- VOP_LOCK(NTOV(dat), LK_EXCLUSIVE);
- error = nandfs_bmap_update_block(node, bp, phys_blknr);
- if (error) {
- nandfs_error("%s: error updating block:%jx for bp:%p\n",
- __func__, (uintmax_t)phys_blknr, bp);
- VOP_UNLOCK(NTOV(dat), 0);
- return (error);
- }
- VOP_UNLOCK(NTOV(dat), 0);
- binfo->bi_dat.bi_blkoff = bp->b_lblkno;
- binfo->bi_dat.bi_ino = node->nn_ino;
- if (NANDFS_IS_INDIRECT(bp))
- binfo->bi_dat.bi_level = 1;
- else
- binfo->bi_dat.bi_level = 0;
- }
-
- return (0);
-}
-
-#define NBINFO(off) ((off) + sizeof(union nandfs_binfo))
-static int
-nandfs_segment_assign_pblk(struct nandfs_segment *nfsseg)
-{
- struct nandfs_device *fsdev;
- union nandfs_binfo *binfo;
- struct buf *bp, *seg_bp;
- uint64_t blocknr;
- uint32_t curr_off, blocksize;
- int error;
-
- fsdev = nfsseg->fsdev;
- blocksize = fsdev->nd_blocksize;
-
- blocknr = nfsseg->start_block + nfsseg->segsum_blocks;
- seg_bp = TAILQ_FIRST(&nfsseg->segsum);
- DPRINTF(SYNC, ("%s: seg:%p segsum bp:%p data:%p\n",
- __func__, nfsseg, seg_bp, seg_bp->b_data));
-
- binfo = (union nandfs_binfo *)(seg_bp->b_data +
- sizeof(struct nandfs_segment_summary));
- curr_off = sizeof(struct nandfs_segment_summary);
-
- TAILQ_FOREACH(bp, &nfsseg->data, b_cluster.cluster_entry) {
- KASSERT((bp->b_vp), ("bp %p has not vp", bp));
-
- DPRINTF(BMAP, ("\n\n%s: assign buf %p for ino %#jx next %p\n",
- __func__, bp, (uintmax_t)VTON(bp->b_vp)->nn_ino,
- TAILQ_NEXT(bp, b_cluster.cluster_entry)));
-
- if (NBINFO(curr_off) > blocksize) {
- seg_bp = TAILQ_NEXT(seg_bp, b_cluster.cluster_entry);
- binfo = (union nandfs_binfo *)seg_bp->b_data;
- curr_off = 0;
- DPRINTF(SYNC, ("%s: next segsum %p data %p\n",
- __func__, seg_bp, seg_bp->b_data));
- }
-
- error = nandfs_update_phys_block(fsdev, bp, blocknr, binfo);
- if (error) {
- nandfs_error("%s: err:%d when updatinng phys block:%jx"
- " for bp:%p and binfo:%p\n", __func__, error,
- (uintmax_t)blocknr, bp, binfo);
- return (error);
- }
- binfo++;
- curr_off = NBINFO(curr_off);
-
- blocknr++;
- }
-
- return (0);
-}
-
-static int
-nandfs_seginfo_assign_pblk(struct nandfs_seginfo *seginfo)
-{
- struct nandfs_segment *nfsseg;
- int error = 0;
-
- LIST_FOREACH(nfsseg, &seginfo->seg_list, seg_link) {
- error = nandfs_segment_assign_pblk(nfsseg);
- if (error)
- break;
- }
-
- return (error);
-}
-
-static struct nandfs_segment_summary *
-nandfs_fill_segsum(struct nandfs_segment *seg, int has_sr)
-{
- struct nandfs_segment_summary *ss;
- struct nandfs_device *fsdev;
- struct buf *bp;
- uint32_t rest, segsum_size, blocksize, crc_calc;
- uint16_t flags;
- uint8_t *crc_area, crc_skip;
-
- DPRINTF(SYNC, ("%s: seg %#jx nblocks %#x sumbytes %#x\n",
- __func__, (uintmax_t) seg->seg_num,
- seg->nblocks + seg->segsum_blocks,
- seg->segsum_bytes));
-
- fsdev = seg->fsdev;
-
- flags = NANDFS_SS_LOGBGN | NANDFS_SS_LOGEND;
- if (has_sr)
- flags |= NANDFS_SS_SR;
-
- bp = TAILQ_FIRST(&seg->segsum);
- ss = (struct nandfs_segment_summary *) bp->b_data;
- ss->ss_magic = NANDFS_SEGSUM_MAGIC;
- ss->ss_bytes = sizeof(struct nandfs_segment_summary);
- ss->ss_flags = flags;
- ss->ss_seq = ++(fsdev->nd_seg_sequence);
- ss->ss_create = fsdev->nd_ts.tv_sec;
- nandfs_get_segment_range(fsdev, seg->seg_next, &ss->ss_next, NULL);
- ss->ss_nblocks = seg->nblocks + seg->segsum_blocks;
- ss->ss_nbinfos = seg->nbinfos;
- ss->ss_sumbytes = seg->segsum_bytes;
-
- crc_skip = sizeof(ss->ss_datasum) + sizeof(ss->ss_sumsum);
- blocksize = seg->fsdev->nd_blocksize;
-
- segsum_size = seg->segsum_bytes - crc_skip;
- rest = min(seg->segsum_bytes, blocksize) - crc_skip;
- crc_area = (uint8_t *)ss + crc_skip;
- crc_calc = ~0U;
- while (segsum_size > 0) {
- crc_calc = crc32_raw(crc_area, rest, crc_calc);
- segsum_size -= rest;
- if (!segsum_size)
- break;
- bp = TAILQ_NEXT(bp, b_cluster.cluster_entry);
- crc_area = (uint8_t *)bp->b_data;
- rest = segsum_size <= blocksize ? segsum_size : blocksize;
- }
- ss->ss_sumsum = crc_calc ^ ~0U;
-
- return (ss);
-
-}
-
-static int
-nandfs_save_buf(struct buf *bp, uint64_t blocknr, struct nandfs_device *fsdev)
-{
- struct bufobj *bo;
- int error;
-
- bo = &fsdev->nd_devvp->v_bufobj;
-
- bp->b_blkno = nandfs_block_to_dblock(fsdev, blocknr);
- bp->b_iooffset = dbtob(bp->b_blkno);
-
- KASSERT(bp->b_bufobj != NULL, ("no bufobj for %p", bp));
- if (bp->b_bufobj != bo) {
- BO_LOCK(bp->b_bufobj);
- BUF_LOCK(bp, LK_EXCLUSIVE | LK_NOWAIT | LK_INTERLOCK,
- BO_LOCKPTR(bp->b_bufobj));
- KASSERT(BUF_ISLOCKED(bp), ("Problem with locking buffer"));
- }
-
- DPRINTF(SYNC, ("%s: buf: %p offset %#jx blk %#jx size %#x\n",
- __func__, bp, (uintmax_t)bp->b_offset, (uintmax_t)blocknr,
- fsdev->nd_blocksize));
-
- NANDFS_UNGATHER(bp);
- nandfs_buf_clear(bp, 0xffffffff);
- bp->b_flags &= ~(B_ASYNC|B_INVAL|B_MANAGED);
- error = bwrite(bp);
- if (error) {
- nandfs_error("%s: error:%d when writing buffer:%p\n",
- __func__, error, bp);
- return (error);
- }
- return (error);
-}
-
-static void
-nandfs_clean_buf(struct nandfs_device *fsdev, struct buf *bp)
-{
-
- DPRINTF(SYNC, ("%s: buf: %p\n", __func__, bp));
-
- NANDFS_UNGATHER(bp);
- nandfs_buf_clear(bp, 0xffffffff);
- bp->b_flags &= ~(B_ASYNC|B_INVAL|B_MANAGED);
- nandfs_undirty_buf_fsdev(fsdev, bp);
-}
-
-static void
-nandfs_clean_segblocks(struct nandfs_segment *seg, uint8_t unlock)
-{
- struct nandfs_device *fsdev = seg->fsdev;
- struct nandfs_segment *next_seg;
- struct buf *bp, *tbp, *next_bp;
- struct vnode *vp, *next_vp;
-
- VOP_LOCK(fsdev->nd_devvp, LK_EXCLUSIVE);
- TAILQ_FOREACH_SAFE(bp, &seg->segsum, b_cluster.cluster_entry, tbp) {
- TAILQ_REMOVE(&seg->segsum, bp, b_cluster.cluster_entry);
- nandfs_clean_buf(fsdev, bp);
- }
-
- TAILQ_FOREACH_SAFE(bp, &seg->data, b_cluster.cluster_entry, tbp) {
- TAILQ_REMOVE(&seg->data, bp, b_cluster.cluster_entry);
-
- /*
- * If bp is not super-root and vnode is not currently
- * locked lock it.
- */
- vp = bp->b_vp;
- next_vp = NULL;
- next_bp = TAILQ_NEXT(bp, b_cluster.cluster_entry);
- if (!next_bp) {
- next_seg = LIST_NEXT(seg, seg_link);
- if (next_seg)
- next_bp = TAILQ_FIRST(&next_seg->data);
- }
-
- if (next_bp)
- next_vp = next_bp->b_vp;
-
- nandfs_clean_buf(fsdev, bp);
-
- if (unlock && vp != NULL && next_vp != vp &&
- !NANDFS_SYS_NODE(VTON(vp)->nn_ino))
- vput(vp);
-
- nandfs_dirty_bufs_decrement(fsdev);
- }
-
- VOP_UNLOCK(fsdev->nd_devvp, 0);
-}
-
-static int
-nandfs_save_segblocks(struct nandfs_segment *seg, uint8_t unlock)
-{
- struct nandfs_device *fsdev = seg->fsdev;
- struct nandfs_segment *next_seg;
- struct buf *bp, *tbp, *next_bp;
- struct vnode *vp, *next_vp;
- uint64_t blocknr;
- uint32_t i = 0;
- int error = 0;
-
- VOP_LOCK(fsdev->nd_devvp, LK_EXCLUSIVE);
- TAILQ_FOREACH_SAFE(bp, &seg->segsum, b_cluster.cluster_entry, tbp) {
- TAILQ_REMOVE(&seg->segsum, bp, b_cluster.cluster_entry);
- blocknr = seg->start_block + i;
- error = nandfs_save_buf(bp, blocknr, fsdev);
- if (error) {
- nandfs_error("%s: error saving buf: %p blocknr:%jx\n",
- __func__, bp, (uintmax_t)blocknr);
- goto out;
- }
- i++;
- }
-
- i = 0;
- TAILQ_FOREACH_SAFE(bp, &seg->data, b_cluster.cluster_entry, tbp) {
- TAILQ_REMOVE(&seg->data, bp, b_cluster.cluster_entry);
-
- blocknr = seg->start_block + seg->segsum_blocks + i;
- /*
- * If bp is not super-root and vnode is not currently
- * locked lock it.
- */
- vp = bp->b_vp;
- next_vp = NULL;
- next_bp = TAILQ_NEXT(bp, b_cluster.cluster_entry);
- if (!next_bp) {
- next_seg = LIST_NEXT(seg, seg_link);
- if (next_seg)
- next_bp = TAILQ_FIRST(&next_seg->data);
- }
-
- if (next_bp)
- next_vp = next_bp->b_vp;
-
- error = nandfs_save_buf(bp, blocknr, fsdev);
- if (error) {
- nandfs_error("%s: error saving buf: %p blknr: %jx\n",
- __func__, bp, (uintmax_t)blocknr);
- if (unlock && vp != NULL && next_vp != vp &&
- !NANDFS_SYS_NODE(VTON(vp)->nn_ino))
- vput(vp);
- goto out;
- }
-
- if (unlock && vp != NULL && next_vp != vp &&
- !NANDFS_SYS_NODE(VTON(vp)->nn_ino))
- vput(vp);
-
- i++;
- nandfs_dirty_bufs_decrement(fsdev);
- }
-out:
- if (error) {
- nandfs_clean_segblocks(seg, unlock);
- VOP_UNLOCK(fsdev->nd_devvp, 0);
- return (error);
- }
-
- VOP_UNLOCK(fsdev->nd_devvp, 0);
- return (error);
-}
-
-
-static void
-clean_seginfo(struct nandfs_seginfo *seginfo, uint8_t unlock)
-{
- struct nandfs_segment *seg;
-
- DPRINTF(SYNC, ("%s: seginfo %p\n", __func__, seginfo));
-
- LIST_FOREACH(seg, &seginfo->seg_list, seg_link) {
- nandfs_clean_segblocks(seg, unlock);
- }
-}
-
-static int
-save_seginfo(struct nandfs_seginfo *seginfo, uint8_t unlock)
-{
- struct nandfs_segment *seg;
- struct nandfs_device *fsdev;
- struct nandfs_segment_summary *ss;
- int error = 0;
-
- fsdev = seginfo->fsdev;
-
- DPRINTF(SYNC, ("%s: seginfo %p\n", __func__, seginfo));
-
- LIST_FOREACH(seg, &seginfo->seg_list, seg_link) {
- if (LIST_NEXT(seg, seg_link)) {
- nandfs_fill_segsum(seg, 0);
- error = nandfs_save_segblocks(seg, unlock);
- if (error) {
- nandfs_error("%s: error:%d saving seg:%p\n",
- __func__, error, seg);
- goto out;
- }
- } else {
- ss = nandfs_fill_segsum(seg, 1);
- fsdev->nd_last_segsum = *ss;
- error = nandfs_save_segblocks(seg, unlock);
- if (error) {
- nandfs_error("%s: error:%d saving seg:%p\n",
- __func__, error, seg);
- goto out;
- }
- fsdev->nd_last_cno++;
- fsdev->nd_last_pseg = seg->start_block;
- }
- }
-out:
- if (error)
- clean_seginfo(seginfo, unlock);
- return (error);
-}
-
-static void
-nandfs_invalidate_bufs(struct nandfs_device *fsdev, uint64_t segno)
-{
- uint64_t start, end;
- struct buf *bp, *tbd;
- struct bufobj *bo;
-
- nandfs_get_segment_range(fsdev, segno, &start, &end);
-
- bo = &NTOV(fsdev->nd_gc_node)->v_bufobj;
-
- BO_LOCK(bo);
-restart_locked_gc:
- TAILQ_FOREACH_SAFE(bp, &bo->bo_clean.bv_hd, b_bobufs, tbd) {
- if (!(bp->b_lblkno >= start && bp->b_lblkno <= end))
- continue;
-
- if (BUF_LOCK(bp, LK_EXCLUSIVE | LK_NOWAIT, NULL))
- goto restart_locked_gc;
-
- bremfree(bp);
- bp->b_flags |= (B_INVAL | B_RELBUF);
- bp->b_flags &= ~(B_ASYNC | B_MANAGED);
- BO_UNLOCK(bo);
- brelse(bp);
- BO_LOCK(bo);
- }
- BO_UNLOCK(bo);
-}
-
-/* Process segments marks to free by cleaner */
-static void
-nandfs_process_segments(struct nandfs_device *fsdev)
-{
- uint64_t saved_segment;
- int i;
-
- if (fsdev->nd_free_base) {
- saved_segment = nandfs_get_segnum_of_block(fsdev,
- fsdev->nd_super.s_last_pseg);
- for (i = 0; i < fsdev->nd_free_count; i++) {
- if (fsdev->nd_free_base[i] == NANDFS_NOSEGMENT)
- continue;
- /* Update superblock if clearing segment point by it */
- if (fsdev->nd_free_base[i] == saved_segment) {
- nandfs_write_superblock(fsdev);
- saved_segment = nandfs_get_segnum_of_block(
- fsdev, fsdev->nd_super.s_last_pseg);
- }
- nandfs_invalidate_bufs(fsdev, fsdev->nd_free_base[i]);
- nandfs_clear_segment(fsdev, fsdev->nd_free_base[i]);
- }
-
- free(fsdev->nd_free_base, M_NANDFSTEMP);
- fsdev->nd_free_base = NULL;
- fsdev->nd_free_count = 0;
- }
-}
-
-/* Collect and write dirty buffers */
-int
-nandfs_sync_file(struct vnode *vp)
-{
- struct nandfs_device *fsdev;
- struct nandfs_node *nandfs_node;
- struct nandfsmount *nmp;
- struct nandfs_node *dat, *su, *ifile, *cp;
- struct nandfs_seginfo *seginfo = NULL;
- struct nandfs_segment *seg;
- int update, error;
- int cno_changed;
-
- ASSERT_VOP_LOCKED(vp, __func__);
- DPRINTF(SYNC, ("%s: START\n", __func__));
-
- error = 0;
- nmp = VFSTONANDFS(vp->v_mount);
- fsdev = nmp->nm_nandfsdev;
-
- dat = fsdev->nd_dat_node;
- su = fsdev->nd_su_node;
- cp = fsdev->nd_cp_node;
- ifile = nmp->nm_ifile_node;
-
- NANDFS_WRITEASSERT(fsdev);
- if (lockmgr(&fsdev->nd_seg_const, LK_UPGRADE, NULL) != 0) {
- DPRINTF(SYNC, ("%s: lost shared lock\n", __func__));
- if (lockmgr(&fsdev->nd_seg_const, LK_EXCLUSIVE, NULL) != 0)
- panic("couldn't lock exclusive");
- }
- DPRINTF(SYNC, ("%s: got lock\n", __func__));
-
- VOP_LOCK(NTOV(su), LK_EXCLUSIVE);
- create_seginfo(fsdev, &seginfo);
-
- update = 0;
-
- nandfs_node = VTON(vp);
- if (nandfs_node->nn_flags & IN_MODIFIED) {
- nandfs_node->nn_flags &= ~(IN_MODIFIED);
- update = 1;
- }
-
- if (vp->v_bufobj.bo_dirty.bv_cnt) {
- error = nandfs_iterate_dirty_buf(vp, seginfo, 0);
- if (error) {
- clean_seginfo(seginfo, 0);
- delete_seginfo(seginfo);
- VOP_UNLOCK(NTOV(su), 0);
- lockmgr(&fsdev->nd_seg_const, LK_DOWNGRADE, NULL);
- nandfs_error("%s: err:%d iterating dirty bufs vp:%p",
- __func__, error, vp);
- return (error);
- }
- update = 1;
- }
-
- if (update) {
- VOP_LOCK(NTOV(ifile), LK_EXCLUSIVE);
- error = nandfs_node_update(nandfs_node);
- if (error) {
- clean_seginfo(seginfo, 0);
- delete_seginfo(seginfo);
- VOP_UNLOCK(NTOV(ifile), 0);
- VOP_UNLOCK(NTOV(su), 0);
- lockmgr(&fsdev->nd_seg_const, LK_DOWNGRADE, NULL);
- nandfs_error("%s: err:%d updating vp:%p",
- __func__, error, vp);
- return (error);
- }
- VOP_UNLOCK(NTOV(ifile), 0);
- }
-
- cno_changed = 0;
- if (seginfo->blocks) {
- VOP_LOCK(NTOV(cp), LK_EXCLUSIVE);
- cno_changed = 1;
- /* Create new checkpoint */
- error = nandfs_get_checkpoint(fsdev, cp, fsdev->nd_last_cno + 1);
- if (error) {
- clean_seginfo(seginfo, 0);
- delete_seginfo(seginfo);
- VOP_UNLOCK(NTOV(cp), 0);
- VOP_UNLOCK(NTOV(su), 0);
- lockmgr(&fsdev->nd_seg_const, LK_DOWNGRADE, NULL);
- nandfs_error("%s: err:%d getting cp:%jx",
- __func__, error, fsdev->nd_last_cno + 1);
- return (error);
- }
-
- /* Reiterate all blocks and assign physical block number */
- nandfs_seginfo_assign_pblk(seginfo);
-
- /* Fill checkpoint data */
- error = nandfs_set_checkpoint(fsdev, cp, fsdev->nd_last_cno + 1,
- &ifile->nn_inode, seginfo->blocks);
- if (error) {
- clean_seginfo(seginfo, 0);
- delete_seginfo(seginfo);
- VOP_UNLOCK(NTOV(cp), 0);
- VOP_UNLOCK(NTOV(su), 0);
- lockmgr(&fsdev->nd_seg_const, LK_DOWNGRADE, NULL);
- nandfs_error("%s: err:%d setting cp:%jx",
- __func__, error, fsdev->nd_last_cno + 1);
- return (error);
- }
-
- VOP_UNLOCK(NTOV(cp), 0);
- LIST_FOREACH(seg, &seginfo->seg_list, seg_link)
- nandfs_update_segment(fsdev, seg->seg_num,
- seg->nblocks + seg->segsum_blocks);
-
- VOP_LOCK(NTOV(dat), LK_EXCLUSIVE);
- error = save_seginfo(seginfo, 0);
- if (error) {
- clean_seginfo(seginfo, 0);
- delete_seginfo(seginfo);
- VOP_UNLOCK(NTOV(dat), 0);
- VOP_UNLOCK(NTOV(su), 0);
- lockmgr(&fsdev->nd_seg_const, LK_DOWNGRADE, NULL);
- nandfs_error("%s: err:%d updating seg",
- __func__, error);
- return (error);
- }
- VOP_UNLOCK(NTOV(dat), 0);
- }
-
- VOP_UNLOCK(NTOV(su), 0);
-
- delete_seginfo(seginfo);
- lockmgr(&fsdev->nd_seg_const, LK_DOWNGRADE, NULL);
-
- if (cno_changed && !error) {
- if (nandfs_cps_between_sblocks != 0 &&
- fsdev->nd_last_cno % nandfs_cps_between_sblocks == 0)
- nandfs_write_superblock(fsdev);
- }
-
- ASSERT_VOP_LOCKED(vp, __func__);
- DPRINTF(SYNC, ("%s: END error %d\n", __func__, error));
- return (error);
-}
-
-int
-nandfs_segment_constructor(struct nandfsmount *nmp, int flags)
-{
- struct nandfs_device *fsdev;
- struct nandfs_seginfo *seginfo = NULL;
- struct nandfs_segment *seg;
- struct nandfs_node *dat, *su, *ifile, *cp, *gc;
- int cno_changed, error;
-
- DPRINTF(SYNC, ("%s: START\n", __func__));
- fsdev = nmp->nm_nandfsdev;
-
- lockmgr(&fsdev->nd_seg_const, LK_EXCLUSIVE, NULL);
- DPRINTF(SYNC, ("%s: git lock\n", __func__));
-again:
- create_seginfo(fsdev, &seginfo);
-
- dat = fsdev->nd_dat_node;
- su = fsdev->nd_su_node;
- cp = fsdev->nd_cp_node;
- gc = fsdev->nd_gc_node;
- ifile = nmp->nm_ifile_node;
-
- VOP_LOCK(NTOV(su), LK_EXCLUSIVE);
- VOP_LOCK(NTOV(ifile), LK_EXCLUSIVE);
- VOP_LOCK(NTOV(gc), LK_EXCLUSIVE);
- VOP_LOCK(NTOV(cp), LK_EXCLUSIVE);
-
- nandfs_iterate_system_vnode(gc, seginfo);
- nandfs_iterate_dirty_vnodes(nmp->nm_vfs_mountp, seginfo);
- nandfs_iterate_system_vnode(ifile, seginfo);
- nandfs_iterate_system_vnode(su, seginfo);
-
- cno_changed = 0;
- if (seginfo->blocks || flags) {
- cno_changed = 1;
- /* Create new checkpoint */
- error = nandfs_get_checkpoint(fsdev, cp, fsdev->nd_last_cno + 1);
- if (error) {
- clean_seginfo(seginfo, 0);
- delete_seginfo(seginfo);
- goto error_locks;
- }
-
- /* Collect blocks from system files */
- nandfs_iterate_system_vnode(cp, seginfo);
- nandfs_iterate_system_vnode(su, seginfo);
- VOP_LOCK(NTOV(dat), LK_EXCLUSIVE);
- nandfs_iterate_system_vnode(dat, seginfo);
- VOP_UNLOCK(NTOV(dat), 0);
-reiterate:
- seginfo->reiterate = 0;
- nandfs_iterate_system_vnode(su, seginfo);
- VOP_LOCK(NTOV(dat), LK_EXCLUSIVE);
- nandfs_iterate_system_vnode(dat, seginfo);
- VOP_UNLOCK(NTOV(dat), 0);
- if (seginfo->reiterate)
- goto reiterate;
- if (!(seginfo->curseg) || !seginfo->curseg->num_blocks) {
- error = create_segment(seginfo);
- if (error) {
- clean_seginfo(seginfo, 0);
- delete_seginfo(seginfo);
- goto error_locks;
- }
- goto reiterate;
- }
-
- /* Reiterate all blocks and assign physical block number */
- nandfs_seginfo_assign_pblk(seginfo);
-
- /* Fill superroot */
- error = nandfs_add_superroot(seginfo);
- if (error) {
- clean_seginfo(seginfo, 0);
- delete_seginfo(seginfo);
- goto error_locks;
- }
- KASSERT(!(seginfo->reiterate), ("reiteration after superroot"));
-
- /* Fill checkpoint data */
- nandfs_set_checkpoint(fsdev, cp, fsdev->nd_last_cno + 1,
- &ifile->nn_inode, seginfo->blocks);
-
- LIST_FOREACH(seg, &seginfo->seg_list, seg_link)
- nandfs_update_segment(fsdev, seg->seg_num,
- seg->nblocks + seg->segsum_blocks);
-
- VOP_LOCK(NTOV(dat), LK_EXCLUSIVE);
- error = save_seginfo(seginfo, 1);
- if (error) {
- clean_seginfo(seginfo, 1);
- delete_seginfo(seginfo);
- goto error_dat;
- }
- VOP_UNLOCK(NTOV(dat), 0);
- }
-
- VOP_UNLOCK(NTOV(cp), 0);
- VOP_UNLOCK(NTOV(gc), 0);
- VOP_UNLOCK(NTOV(ifile), 0);
-
- nandfs_process_segments(fsdev);
-
- VOP_UNLOCK(NTOV(su), 0);
-
- delete_seginfo(seginfo);
-
- /*
- * XXX: a hack, will go away soon
- */
- if ((NTOV(dat)->v_bufobj.bo_dirty.bv_cnt != 0 ||
- NTOV(cp)->v_bufobj.bo_dirty.bv_cnt != 0 ||
- NTOV(gc)->v_bufobj.bo_dirty.bv_cnt != 0 ||
- NTOV(ifile)->v_bufobj.bo_dirty.bv_cnt != 0 ||
- NTOV(su)->v_bufobj.bo_dirty.bv_cnt != 0) &&
- (flags & NANDFS_UMOUNT)) {
- DPRINTF(SYNC, ("%s: RERUN\n", __func__));
- goto again;
- }
-
- MPASS(fsdev->nd_free_base == NULL);
-
- lockmgr(&fsdev->nd_seg_const, LK_RELEASE, NULL);
-
- if (cno_changed) {
- if ((nandfs_cps_between_sblocks != 0 &&
- fsdev->nd_last_cno % nandfs_cps_between_sblocks == 0) ||
- flags & NANDFS_UMOUNT)
- nandfs_write_superblock(fsdev);
- }
-
- DPRINTF(SYNC, ("%s: END\n", __func__));
- return (0);
-error_dat:
- VOP_UNLOCK(NTOV(dat), 0);
-error_locks:
- VOP_UNLOCK(NTOV(cp), 0);
- VOP_UNLOCK(NTOV(gc), 0);
- VOP_UNLOCK(NTOV(ifile), 0);
- VOP_UNLOCK(NTOV(su), 0);
- lockmgr(&fsdev->nd_seg_const, LK_RELEASE, NULL);
-
- return (error);
-}
-
-#ifdef DDB
-/*
- * Show details about the given NANDFS mount point.
- */
-DB_SHOW_COMMAND(nandfs, db_show_nandfs)
-{
- struct mount *mp;
- struct nandfs_device *nffsdev;
- struct nandfs_segment *seg;
- struct nandfsmount *nmp;
- struct buf *bp;
- struct vnode *vp;
-
- if (!have_addr) {
- db_printf("\nUsage: show nandfs <mount_addr>\n");
- return;
- }
-
- mp = (struct mount *)addr;
- db_printf("%p %s on %s (%s)\n", mp, mp->mnt_stat.f_mntfromname,
- mp->mnt_stat.f_mntonname, mp->mnt_stat.f_fstypename);
-
-
- nmp = (struct nandfsmount *)(mp->mnt_data);
- nffsdev = nmp->nm_nandfsdev;
- db_printf("dev vnode:%p\n", nffsdev->nd_devvp);
- db_printf("blocksize:%jx last cno:%jx last pseg:%jx seg num:%jx\n",
- (uintmax_t)nffsdev->nd_blocksize, (uintmax_t)nffsdev->nd_last_cno,
- (uintmax_t)nffsdev->nd_last_pseg, (uintmax_t)nffsdev->nd_seg_num);
- db_printf("system nodes: dat:%p cp:%p su:%p ifile:%p gc:%p\n",
- nffsdev->nd_dat_node, nffsdev->nd_cp_node, nffsdev->nd_su_node,
- nmp->nm_ifile_node, nffsdev->nd_gc_node);
-
- if (nffsdev->nd_seginfo != NULL) {
- LIST_FOREACH(seg, &nffsdev->nd_seginfo->seg_list, seg_link) {
- db_printf("seg: %p\n", seg);
- TAILQ_FOREACH(bp, &seg->segsum,
- b_cluster.cluster_entry)
- db_printf("segbp %p\n", bp);
- TAILQ_FOREACH(bp, &seg->data,
- b_cluster.cluster_entry) {
- vp = bp->b_vp;
- db_printf("bp:%p bp->b_vp:%p ino:%jx\n", bp, vp,
- (uintmax_t)(vp ? VTON(vp)->nn_ino : 0));
- }
- }
- }
-}
-#endif