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Diffstat (limited to 'sys/fs/nandfs/nandfs_dat.c')
-rw-r--r--sys/fs/nandfs/nandfs_dat.c346
1 files changed, 0 insertions, 346 deletions
diff --git a/sys/fs/nandfs/nandfs_dat.c b/sys/fs/nandfs/nandfs_dat.c
deleted file mode 100644
index e81a117589f8..000000000000
--- a/sys/fs/nandfs/nandfs_dat.c
+++ /dev/null
@@ -1,346 +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 <sys/param.h>
-#include <sys/systm.h>
-#include <sys/conf.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/sysctl.h>
-#include <sys/vnode.h>
-#include <sys/buf.h>
-#include <sys/bio.h>
-
-#include <vm/vm.h>
-#include <vm/vm_param.h>
-#include <vm/vm_kern.h>
-#include <vm/vm_page.h>
-
-#include <fs/nandfs/nandfs_mount.h>
-#include <fs/nandfs/nandfs.h>
-#include <fs/nandfs/nandfs_subr.h>
-
-int
-nandfs_vblock_alloc(struct nandfs_device *nandfsdev, nandfs_daddr_t *vblock)
-{
- struct nandfs_node *dat;
- struct nandfs_mdt *mdt;
- struct nandfs_alloc_request req;
- struct nandfs_dat_entry *dat_entry;
- uint64_t start;
- uint32_t entry;
- int locked, error;
-
- dat = nandfsdev->nd_dat_node;
- mdt = &nandfsdev->nd_dat_mdt;
- start = nandfsdev->nd_last_cno + 1;
-
- locked = NANDFS_VOP_ISLOCKED(NTOV(dat));
- if (!locked)
- VOP_LOCK(NTOV(dat), LK_EXCLUSIVE);
- req.entrynum = 0;
-
- /* Alloc vblock number */
- error = nandfs_find_free_entry(mdt, dat, &req);
- if (error) {
- nandfs_error("%s: cannot find free vblk entry\n",
- __func__);
- if (!locked)
- VOP_UNLOCK(NTOV(dat), 0);
- return (error);
- }
-
- /* Read/create buffer */
- error = nandfs_get_entry_block(mdt, dat, &req, &entry, 1);
- if (error) {
- nandfs_error("%s: cannot get free vblk entry\n",
- __func__);
- nandfs_abort_entry(&req);
- if (!locked)
- VOP_UNLOCK(NTOV(dat), 0);
- return (error);
- }
-
- /* Fill out vblock data */
- dat_entry = (struct nandfs_dat_entry *) req.bp_entry->b_data;
- dat_entry[entry].de_start = start;
- dat_entry[entry].de_end = UINTMAX_MAX;
- dat_entry[entry].de_blocknr = 0;
-
- /* Commit allocation */
- error = nandfs_alloc_entry(mdt, &req);
- if (error) {
- nandfs_error("%s: cannot get free vblk entry\n",
- __func__);
- if (!locked)
- VOP_UNLOCK(NTOV(dat), 0);
- return (error);
- }
-
- /* Return allocated vblock */
- *vblock = req.entrynum;
- DPRINTF(DAT, ("%s: allocated vblock %#jx\n",
- __func__, (uintmax_t)*vblock));
-
- if (!locked)
- VOP_UNLOCK(NTOV(dat), 0);
- return (error);
-}
-
-int
-nandfs_vblock_assign(struct nandfs_device *nandfsdev, nandfs_daddr_t vblock,
- nandfs_lbn_t block)
-{
- struct nandfs_node *dat;
- struct nandfs_mdt *mdt;
- struct nandfs_alloc_request req;
- struct nandfs_dat_entry *dat_entry;
- uint32_t entry;
- int locked, error;
-
- dat = nandfsdev->nd_dat_node;
- mdt = &nandfsdev->nd_dat_mdt;
-
- locked = NANDFS_VOP_ISLOCKED(NTOV(dat));
- if (!locked)
- VOP_LOCK(NTOV(dat), LK_EXCLUSIVE);
- req.entrynum = vblock;
-
- error = nandfs_get_entry_block(mdt, dat, &req, &entry, 0);
- if (!error) {
- dat_entry = (struct nandfs_dat_entry *) req.bp_entry->b_data;
- dat_entry[entry].de_blocknr = block;
-
- DPRINTF(DAT, ("%s: assing vblock %jx->%jx\n",
- __func__, (uintmax_t)vblock, (uintmax_t)block));
-
- /*
- * It is mostly called from syncer() so
- * we want to force making buf dirty
- */
- error = nandfs_dirty_buf(req.bp_entry, 1);
- }
-
- if (!locked)
- VOP_UNLOCK(NTOV(dat), 0);
-
- return (error);
-}
-
-int
-nandfs_vblock_end(struct nandfs_device *nandfsdev, nandfs_daddr_t vblock)
-{
- struct nandfs_node *dat;
- struct nandfs_mdt *mdt;
- struct nandfs_alloc_request req;
- struct nandfs_dat_entry *dat_entry;
- uint64_t end;
- uint32_t entry;
- int locked, error;
-
- dat = nandfsdev->nd_dat_node;
- mdt = &nandfsdev->nd_dat_mdt;
- end = nandfsdev->nd_last_cno;
-
- locked = NANDFS_VOP_ISLOCKED(NTOV(dat));
- if (!locked)
- VOP_LOCK(NTOV(dat), LK_EXCLUSIVE);
- req.entrynum = vblock;
-
- error = nandfs_get_entry_block(mdt, dat, &req, &entry, 0);
- if (!error) {
- dat_entry = (struct nandfs_dat_entry *) req.bp_entry->b_data;
- dat_entry[entry].de_end = end;
- DPRINTF(DAT, ("%s: end vblock %#jx at checkpoint %#jx\n",
- __func__, (uintmax_t)vblock, (uintmax_t)end));
-
- /*
- * It is mostly called from syncer() so
- * we want to force making buf dirty
- */
- error = nandfs_dirty_buf(req.bp_entry, 1);
- }
-
- if (!locked)
- VOP_UNLOCK(NTOV(dat), 0);
-
- return (error);
-}
-
-int
-nandfs_vblock_free(struct nandfs_device *nandfsdev, nandfs_daddr_t vblock)
-{
- struct nandfs_node *dat;
- struct nandfs_mdt *mdt;
- struct nandfs_alloc_request req;
- int error;
-
- dat = nandfsdev->nd_dat_node;
- mdt = &nandfsdev->nd_dat_mdt;
-
- VOP_LOCK(NTOV(dat), LK_EXCLUSIVE);
- req.entrynum = vblock;
-
- error = nandfs_find_entry(mdt, dat, &req);
- if (!error) {
- DPRINTF(DAT, ("%s: vblk %#jx\n", __func__, (uintmax_t)vblock));
- nandfs_free_entry(mdt, &req);
- }
-
- VOP_UNLOCK(NTOV(dat), 0);
- return (error);
-}
-
-int
-nandfs_get_dat_vinfo_ioctl(struct nandfs_device *nandfsdev, struct nandfs_argv *nargv)
-{
- struct nandfs_vinfo *vinfo;
- size_t size;
- int error;
-
- if (nargv->nv_nmembs > NANDFS_VINFO_MAX)
- return (EINVAL);
-
- size = sizeof(struct nandfs_vinfo) * nargv->nv_nmembs;
- vinfo = malloc(size, M_NANDFSTEMP, M_WAITOK|M_ZERO);
-
- error = copyin((void *)(uintptr_t)nargv->nv_base, vinfo, size);
- if (error) {
- free(vinfo, M_NANDFSTEMP);
- return (error);
- }
-
- error = nandfs_get_dat_vinfo(nandfsdev, vinfo, nargv->nv_nmembs);
- if (error == 0)
- error = copyout(vinfo, (void *)(uintptr_t)nargv->nv_base, size);
- free(vinfo, M_NANDFSTEMP);
- return (error);
-}
-
-int
-nandfs_get_dat_vinfo(struct nandfs_device *nandfsdev, struct nandfs_vinfo *vinfo,
- uint32_t nmembs)
-{
- struct nandfs_node *dat;
- struct nandfs_mdt *mdt;
- struct nandfs_alloc_request req;
- struct nandfs_dat_entry *dat_entry;
- uint32_t i, idx;
- int error = 0;
-
- dat = nandfsdev->nd_dat_node;
- mdt = &nandfsdev->nd_dat_mdt;
-
- DPRINTF(DAT, ("%s: nmembs %#x\n", __func__, nmembs));
-
- VOP_LOCK(NTOV(dat), LK_EXCLUSIVE);
-
- for (i = 0; i < nmembs; i++) {
- req.entrynum = vinfo[i].nvi_vblocknr;
-
- error = nandfs_get_entry_block(mdt, dat,&req, &idx, 0);
- if (error)
- break;
-
- dat_entry = ((struct nandfs_dat_entry *) req.bp_entry->b_data);
- vinfo[i].nvi_start = dat_entry[idx].de_start;
- vinfo[i].nvi_end = dat_entry[idx].de_end;
- vinfo[i].nvi_blocknr = dat_entry[idx].de_blocknr;
-
- DPRINTF(DAT, ("%s: vinfo: %jx[%jx-%jx]->%jx\n",
- __func__, vinfo[i].nvi_vblocknr, vinfo[i].nvi_start,
- vinfo[i].nvi_end, vinfo[i].nvi_blocknr));
-
- brelse(req.bp_entry);
- }
-
- VOP_UNLOCK(NTOV(dat), 0);
- return (error);
-}
-
-int
-nandfs_get_dat_bdescs_ioctl(struct nandfs_device *nffsdev,
- struct nandfs_argv *nargv)
-{
- struct nandfs_bdesc *bd;
- size_t size;
- int error;
-
- size = nargv->nv_nmembs * sizeof(struct nandfs_bdesc);
- bd = malloc(size, M_NANDFSTEMP, M_WAITOK);
- error = copyin((void *)(uintptr_t)nargv->nv_base, bd, size);
- if (error) {
- free(bd, M_NANDFSTEMP);
- return (error);
- }
-
- error = nandfs_get_dat_bdescs(nffsdev, bd, nargv->nv_nmembs);
-
- if (error == 0)
- error = copyout(bd, (void *)(uintptr_t)nargv->nv_base, size);
-
- free(bd, M_NANDFSTEMP);
- return (error);
-}
-
-int
-nandfs_get_dat_bdescs(struct nandfs_device *nffsdev, struct nandfs_bdesc *bd,
- uint32_t nmembs)
-{
- struct nandfs_node *dat_node;
- uint64_t map;
- uint32_t i;
- int error = 0;
-
- dat_node = nffsdev->nd_dat_node;
-
- VOP_LOCK(NTOV(dat_node), LK_EXCLUSIVE);
-
- for (i = 0; i < nmembs; i++) {
- DPRINTF(CLEAN,
- ("%s: bd ino:%#jx oblk:%#jx blocknr:%#jx off:%#jx\n",
- __func__, (uintmax_t)bd[i].bd_ino,
- (uintmax_t)bd[i].bd_oblocknr, (uintmax_t)bd[i].bd_blocknr,
- (uintmax_t)bd[i].bd_offset));
-
- error = nandfs_bmap_lookup(dat_node, bd[i].bd_offset, &map);
- if (error)
- break;
- bd[i].bd_blocknr = map;
- }
-
- VOP_UNLOCK(NTOV(dat_node), 0);
- return (error);
-}