int
nandfs_markgc_segment(struct nandfs_device *fsdev, uint64_t seg)
{
struct nandfs_node *su_node;
struct nandfs_segment_usage *su_usage;
struct buf *bp;
uint64_t blk, offset;
int error;
su_node = fsdev->nd_su_node;
VOP_LOCK(NTOV(su_node), LK_EXCLUSIVE);
nandfs_seg_usage_blk_offset(fsdev, seg, &blk, &offset);
error = nandfs_bread(su_node, blk, NOCRED, 0, &bp);
if (error) {
brelse(bp);
VOP_UNLOCK(NTOV(su_node), 0);
return (error);
}
su_usage = SU_USAGE_OFF(bp, offset);
MPASS((su_usage->su_flags & NANDFS_SEGMENT_USAGE_GC) == 0);
su_usage->su_flags |= NANDFS_SEGMENT_USAGE_GC;
brelse(bp);
VOP_UNLOCK(NTOV(su_node), 0);
DPRINTF(SEG, ("%s: seg:%#jx\n", __func__, (uintmax_t)seg));
return (0);
}
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);
}
static int
nandfs_process_bdesc(struct nandfs_device *nffsdev, struct nandfs_bdesc *bd,
uint64_t nmembs)
{
struct nandfs_node *dat_node;
struct buf *bp;
uint64_t i;
int error;
dat_node = nffsdev->nd_dat_node;
VOP_LOCK(NTOV(dat_node), LK_EXCLUSIVE);
for (i = 0; i < nmembs; i++) {
if (!bd[i].bd_alive)
continue;
DPRINTF(CLEAN, ("%s: idx %jx offset %jx\n",
__func__, i, bd[i].bd_offset));
if (bd[i].bd_level) {
error = nandfs_bread_meta(dat_node, bd[i].bd_offset,
NULL, 0, &bp);
if (error) {
nandfs_error("%s: cannot read dat node "
"level:%d\n", __func__, bd[i].bd_level);
brelse(bp);
VOP_UNLOCK(NTOV(dat_node), 0);
return (error);
}
nandfs_dirty_buf_meta(bp, 1);
nandfs_bmap_dirty_blocks(VTON(bp->b_vp), bp, 1);
} else {
error = nandfs_bread(dat_node, bd[i].bd_offset, NULL,
0, &bp);
if (error) {
nandfs_error("%s: cannot read dat node\n",
__func__);
brelse(bp);
VOP_UNLOCK(NTOV(dat_node), 0);
return (error);
}
nandfs_dirty_buf(bp, 1);
}
DPRINTF(CLEAN, ("%s: bp: %p\n", __func__, bp));
}
VOP_UNLOCK(NTOV(dat_node), 0);
return (0);
}
/* Update block count of segment */
int
nandfs_update_segment(struct nandfs_device *fsdev, uint64_t seg, uint32_t nblks)
{
struct nandfs_node *su_node;
struct nandfs_segment_usage *su_usage;
struct buf *bp;
uint64_t blk, offset;
int error;
su_node = fsdev->nd_su_node;
ASSERT_VOP_LOCKED(NTOV(su_node), __func__);
nandfs_seg_usage_blk_offset(fsdev, seg, &blk, &offset);
error = nandfs_bread(su_node, blk, NOCRED, 0, &bp);
if (error) {
nandfs_error("%s: read block:%jx to update\n",
__func__, blk);
brelse(bp);
return (error);
}
su_usage = SU_USAGE_OFF(bp, offset);
su_usage->su_lastmod = fsdev->nd_ts.tv_sec;
su_usage->su_flags = NANDFS_SEGMENT_USAGE_DIRTY;
su_usage->su_nblocks += nblks;
DPRINTF(SEG, ("%s: seg:%#jx inc:%#x cur:%#x\n", __func__,
(uintmax_t)seg, nblks, su_usage->su_nblocks));
nandfs_dirty_buf(bp, 1);
return (0);
}
static int
nandfs_bad_segment(struct nandfs_device *fsdev, uint64_t seg)
{
struct nandfs_node *su_node;
struct nandfs_segment_usage *su_usage;
struct buf *bp;
uint64_t blk, offset;
int error;
su_node = fsdev->nd_su_node;
ASSERT_VOP_LOCKED(NTOV(su_node), __func__);
nandfs_seg_usage_blk_offset(fsdev, seg, &blk, &offset);
error = nandfs_bread(su_node, blk, NOCRED, 0, &bp);
if (error) {
brelse(bp);
return (error);
}
su_usage = SU_USAGE_OFF(bp, offset);
su_usage->su_lastmod = fsdev->nd_ts.tv_sec;
su_usage->su_flags = NANDFS_SEGMENT_USAGE_ERROR;
DPRINTF(SEG, ("%s: seg:%#jx\n", __func__, (uintmax_t)seg));
nandfs_dirty_buf(bp, 1);
return (0);
}
int
nandfs_get_node_entry(struct nandfsmount *nmp, struct nandfs_inode **inode,
uint64_t ino, struct buf **bp)
{
struct nandfs_alloc_request req;
struct nandfs_mdt *mdt;
struct nandfs_node *ifile;
struct vnode *vp;
uint32_t index;
int error = 0;
req.entrynum = ino;
mdt = &nmp->nm_nandfsdev->nd_ifile_mdt;
ifile = nmp->nm_ifile_node;
vp = NTOV(ifile);
VOP_LOCK(vp, LK_EXCLUSIVE);
error = nandfs_get_entry_block(mdt, ifile, &req, &index, 0);
if (error) {
VOP_UNLOCK(vp, 0);
return (error);
}
*inode = ((struct nandfs_inode *) req.bp_entry->b_data) + index;
*bp = req.bp_entry;
VOP_UNLOCK(vp, 0);
return (0);
}
int
nandfs_node_update(struct nandfs_node *node)
{
struct nandfs_alloc_request req;
struct nandfsmount *nmp;
struct nandfs_mdt *mdt;
struct nandfs_node *ifile;
struct nandfs_inode *inode;
uint32_t index;
int error = 0;
nmp = node->nn_nmp;
ifile = nmp->nm_ifile_node;
ASSERT_VOP_LOCKED(NTOV(ifile), __func__);
req.entrynum = node->nn_ino;
mdt = &nmp->nm_nandfsdev->nd_ifile_mdt;
DPRINTF(IFILE, ("%s: node:%p ino:%#jx\n",
__func__, &node->nn_inode, (uintmax_t)node->nn_ino));
error = nandfs_get_entry_block(mdt, ifile, &req, &index, 0);
if (error) {
printf("nandfs_get_entry_block returned with ERROR=%d\n",
error);
return (error);
}
inode = ((struct nandfs_inode *) req.bp_entry->b_data) + index;
memcpy(inode, &node->nn_inode, sizeof(*inode));
error = nandfs_dirty_buf(req.bp_entry, 0);
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_node_create(struct nandfsmount *nmp, struct nandfs_node **node,
uint16_t mode)
{
struct nandfs_alloc_request req;
struct nandfs_device *nandfsdev;
struct nandfs_mdt *mdt;
struct nandfs_node *ifile;
struct nandfs_inode *inode;
struct vnode *vp;
uint32_t entry;
int error = 0;
nandfsdev = nmp->nm_nandfsdev;
mdt = &nandfsdev->nd_ifile_mdt;
ifile = nmp->nm_ifile_node;
vp = NTOV(ifile);
VOP_LOCK(vp, LK_EXCLUSIVE);
/* Allocate new inode in ifile */
req.entrynum = nandfsdev->nd_last_ino + 1;
error = nandfs_find_free_entry(mdt, ifile, &req);
if (error) {
VOP_UNLOCK(vp, 0);
return (error);
}
error = nandfs_get_entry_block(mdt, ifile, &req, &entry, 1);
if (error) {
VOP_UNLOCK(vp, 0);
return (error);
}
/* Inode initialization */
inode = ((struct nandfs_inode *) req.bp_entry->b_data) + entry;
nandfs_inode_init(inode, mode);
error = nandfs_alloc_entry(mdt, &req);
if (error) {
VOP_UNLOCK(vp, 0);
return (error);
}
VOP_UNLOCK(vp, 0);
nandfsdev->nd_last_ino = req.entrynum;
error = nandfs_get_node(nmp, req.entrynum, node);
DPRINTF(IFILE, ("%s: node: %p ino: %#jx\n",
__func__, node, (uintmax_t)((*node)->nn_ino)));
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_seg_stat(struct nandfs_device *nandfsdev,
struct nandfs_seg_stat *nss)
{
struct nandfs_sufile_header *suhdr;
struct nandfs_node *su_node;
struct buf *bp;
int err;
su_node = nandfsdev->nd_su_node;
NANDFS_WRITELOCK(nandfsdev);
VOP_LOCK(NTOV(su_node), LK_SHARED);
err = nandfs_bread(nandfsdev->nd_su_node, 0, NOCRED, 0, &bp);
if (err) {
brelse(bp);
VOP_UNLOCK(NTOV(su_node), 0);
NANDFS_WRITEUNLOCK(nandfsdev);
return (-1);
}
suhdr = (struct nandfs_sufile_header *)bp->b_data;
nss->nss_nsegs = nandfsdev->nd_fsdata.f_nsegments;
nss->nss_ncleansegs = suhdr->sh_ncleansegs;
nss->nss_ndirtysegs = suhdr->sh_ndirtysegs;
nss->nss_ctime = 0;
nss->nss_nongc_ctime = nandfsdev->nd_ts.tv_sec;
nss->nss_prot_seq = nandfsdev->nd_seg_sequence;
brelse(bp);
VOP_UNLOCK(NTOV(su_node), 0);
NANDFS_WRITEUNLOCK(nandfsdev);
return (0);
}
int
nandfs_node_destroy(struct nandfs_node *node)
{
struct nandfs_alloc_request req;
struct nandfsmount *nmp;
struct nandfs_mdt *mdt;
struct nandfs_node *ifile;
struct vnode *vp;
int error = 0;
nmp = node->nn_nmp;
req.entrynum = node->nn_ino;
mdt = &nmp->nm_nandfsdev->nd_ifile_mdt;
ifile = nmp->nm_ifile_node;
vp = NTOV(ifile);
DPRINTF(IFILE, ("%s: destroy node: %p ino: %#jx\n",
__func__, node, (uintmax_t)node->nn_ino));
VOP_LOCK(vp, LK_EXCLUSIVE);
error = nandfs_find_entry(mdt, ifile, &req);
if (error) {
nandfs_error("%s: finding entry error:%d node %p(%jx)",
__func__, error, node, node->nn_ino);
VOP_UNLOCK(vp, 0);
return (error);
}
nandfs_inode_destroy(&node->nn_inode);
error = nandfs_free_entry(mdt, &req);
if (error) {
nandfs_error("%s: freing entry error:%d node %p(%jx)",
__func__, error, node, node->nn_ino);
VOP_UNLOCK(vp, 0);
return (error);
}
VOP_UNLOCK(vp, 0);
DPRINTF(IFILE, ("%s: freed node %p ino %#jx\n",
__func__, node, (uintmax_t)node->nn_ino));
return (error);
}
/*
* Make buffer dirty, it will be updated soon but first it need to be
* gathered by syncer.
*/
int
nandfs_touch_segment(struct nandfs_device *fsdev, uint64_t seg)
{
struct nandfs_node *su_node;
struct buf *bp;
uint64_t blk, offset;
int error;
su_node = fsdev->nd_su_node;
ASSERT_VOP_LOCKED(NTOV(su_node), __func__);
nandfs_seg_usage_blk_offset(fsdev, seg, &blk, &offset);
error = nandfs_bread(su_node, blk, NOCRED, 0, &bp);
if (error) {
brelse(bp);
nandfs_error("%s: cannot preallocate new segment\n", __func__);
return (error);
} else
nandfs_dirty_buf(bp, 1);
DPRINTF(SEG, ("%s: seg:%#jx\n", __func__, (uintmax_t)seg));
return (error);
}
/* Make segment free */
int
nandfs_free_segment(struct nandfs_device *fsdev, uint64_t seg)
{
struct nandfs_node *su_node;
struct nandfs_sufile_header *su_header;
struct nandfs_segment_usage *su_usage;
struct buf *bp_header, *bp;
uint64_t blk, offset;
int error;
su_node = fsdev->nd_su_node;
ASSERT_VOP_LOCKED(NTOV(su_node), __func__);
/* Read su header */
error = nandfs_bread(su_node, 0, NOCRED, 0, &bp_header);
if (error) {
brelse(bp_header);
return (error);
}
su_header = (struct nandfs_sufile_header *)bp_header->b_data;
nandfs_seg_usage_blk_offset(fsdev, seg, &blk, &offset);
/* Read su usage block if other than su header block */
if (blk != 0) {
error = nandfs_bread(su_node, blk, NOCRED, 0, &bp);
if (error) {
brelse(bp);
brelse(bp_header);
return (error);
}
} else
bp = bp_header;
/* Reset su usage data */
su_usage = SU_USAGE_OFF(bp, offset);
su_usage->su_lastmod = fsdev->nd_ts.tv_sec;
su_usage->su_nblocks = 0;
su_usage->su_flags = 0;
/* Update clean/dirty counter in header */
su_header->sh_ncleansegs++;
su_header->sh_ndirtysegs--;
/*
* Make buffers dirty, called by cleaner
* so force dirty even if no much space left
* on device
*/
nandfs_dirty_buf(bp_header, 1);
if (bp != bp_header)
nandfs_dirty_buf(bp, 1);
/* Update free block count */
fsdev->nd_super.s_free_blocks_count = su_header->sh_ncleansegs *
fsdev->nd_fsdata.f_blocks_per_segment;
fsdev->nd_clean_segs++;
DPRINTF(SEG, ("%s: seg:%#jx\n", __func__, (uintmax_t)seg));
return (0);
}
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_get_segment_info_filter(struct nandfs_device *fsdev,
struct nandfs_suinfo *nsi, uint32_t nmembs, uint64_t segment,
uint64_t *nsegs, uint32_t filter, uint32_t nfilter)
{
struct nandfs_segment_usage *su;
struct nandfs_node *su_node;
struct buf *bp;
uint64_t curr, blocknr, blockoff, i;
uint32_t flags;
int err = 0;
curr = ~(0);
lockmgr(&fsdev->nd_seg_const, LK_EXCLUSIVE, NULL);
su_node = fsdev->nd_su_node;
VOP_LOCK(NTOV(su_node), LK_SHARED);
bp = NULL;
if (nsegs != NULL)
*nsegs = 0;
for (i = 0; i < nmembs; segment++) {
if (segment == fsdev->nd_fsdata.f_nsegments)
break;
nandfs_seg_usage_blk_offset(fsdev, segment, &blocknr,
&blockoff);
if (i == 0 || curr != blocknr) {
if (bp != NULL)
brelse(bp);
err = nandfs_bread(su_node, blocknr, NOCRED,
0, &bp);
if (err) {
goto out;
}
curr = blocknr;
}
su = SU_USAGE_OFF(bp, blockoff);
flags = su->su_flags;
if (segment == fsdev->nd_seg_num ||
segment == fsdev->nd_next_seg_num)
flags |= NANDFS_SEGMENT_USAGE_ACTIVE;
if (nfilter != 0 && (flags & nfilter) != 0)
continue;
if (filter != 0 && (flags & filter) == 0)
continue;
nsi->nsi_num = segment;
nsi->nsi_lastmod = su->su_lastmod;
nsi->nsi_blocks = su->su_nblocks;
nsi->nsi_flags = flags;
nsi++;
i++;
if (nsegs != NULL)
(*nsegs)++;
}
out:
if (bp != NULL)
brelse(bp);
VOP_UNLOCK(NTOV(su_node), 0);
lockmgr(&fsdev->nd_seg_const, LK_RELEASE, NULL);
return (err);
}
/* Alloc new segment */
int
nandfs_alloc_segment(struct nandfs_device *fsdev, uint64_t *seg)
{
struct nandfs_node *su_node;
struct nandfs_sufile_header *su_header;
struct nandfs_segment_usage *su_usage;
struct buf *bp_header, *bp;
uint64_t blk, vblk, offset, i, rest, nsegments;
uint16_t seg_size;
int error, found;
seg_size = fsdev->nd_fsdata.f_segment_usage_size;
nsegments = fsdev->nd_fsdata.f_nsegments;
su_node = fsdev->nd_su_node;
ASSERT_VOP_LOCKED(NTOV(su_node), __func__);
/* Read header buffer */
error = nandfs_bread(su_node, 0, NOCRED, 0, &bp_header);
if (error) {
brelse(bp_header);
return (error);
}
su_header = (struct nandfs_sufile_header *)bp_header->b_data;
/* Get last allocated segment */
i = su_header->sh_last_alloc + 1;
found = 0;
bp = NULL;
while (!found) {
nandfs_seg_usage_blk_offset(fsdev, i, &blk, &offset);
if(blk != 0) {
error = nandfs_bmap_lookup(su_node, blk, &vblk);
if (error) {
nandfs_error("%s: cannot find vblk for blk "
"blk:%jx\n", __func__, blk);
return (error);
}
if (vblk)
error = nandfs_bread(su_node, blk, NOCRED, 0,
&bp);
else
error = nandfs_bcreate(su_node, blk, NOCRED, 0,
&bp);
if (error) {
nandfs_error("%s: cannot create/read "
"vblk:%jx\n", __func__, vblk);
if (bp)
brelse(bp);
return (error);
}
su_usage = SU_USAGE_OFF(bp, offset);
} else {
su_usage = SU_USAGE_OFF(bp_header, offset);
bp = bp_header;
}
rest = (fsdev->nd_blocksize - offset) / seg_size;
/* Go through all su usage in block */
while (rest) {
/* When last check start from beggining */
if (i == nsegments)
break;
if (!su_usage->su_flags) {
su_usage->su_flags = 1;
found = 1;
break;
}
su_usage++;
i++;
/* If all checked return error */
if (i == su_header->sh_last_alloc) {
DPRINTF(SEG, ("%s: cannot allocate segment \n",
__func__));
brelse(bp_header);
if (blk != 0)
brelse(bp);
return (1);
}
rest--;
}
if (!found) {
/* Otherwise read another block */
if (blk != 0)
brelse(bp);
if (i == nsegments) {
blk = 0;
i = 0;
} else
blk++;
offset = 0;
}
}
if (found) {
*seg = i;
su_header->sh_last_alloc = i;
su_header->sh_ncleansegs--;
su_header->sh_ndirtysegs++;
fsdev->nd_super.s_free_blocks_count = su_header->sh_ncleansegs *
fsdev->nd_fsdata.f_blocks_per_segment;
fsdev->nd_clean_segs--;
/*
* It is mostly called from syncer() so we want to force
* making buf dirty.
*/
error = nandfs_dirty_buf(bp_header, 1);
if (error) {
if (bp && bp != bp_header)
brelse(bp);
return (error);
}
if (bp && bp != bp_header)
nandfs_dirty_buf(bp, 1);
DPRINTF(SEG, ("%s: seg:%#jx\n", __func__, (uintmax_t)i));
return (0);
}
DPRINTF(SEG, ("%s: failed\n", __func__));
return (1);
}
static int
nandfs_cleaner_clean_segments(struct nandfs_device *nffsdev,
struct nandfs_vinfo *vinfo, uint32_t nvinfo,
struct nandfs_period *pd, uint32_t npd,
struct nandfs_bdesc *bdesc, uint32_t nbdesc,
uint64_t *segments, uint32_t nsegs)
{
struct nandfs_node *gc;
struct buf *bp;
uint32_t i;
int error = 0;
gc = nffsdev->nd_gc_node;
DPRINTF(CLEAN, ("%s: enter\n", __func__));
VOP_LOCK(NTOV(gc), LK_EXCLUSIVE);
for (i = 0; i < nvinfo; i++) {
if (!vinfo[i].nvi_alive)
continue;
DPRINTF(CLEAN, ("%s: read vblknr:%#jx blk:%#jx\n",
__func__, (uintmax_t)vinfo[i].nvi_vblocknr,
(uintmax_t)vinfo[i].nvi_blocknr));
error = nandfs_bread(nffsdev->nd_gc_node, vinfo[i].nvi_blocknr,
NULL, 0, &bp);
if (error) {
nandfs_error("%s:%d", __FILE__, __LINE__);
VOP_UNLOCK(NTOV(gc), 0);
goto out;
}
nandfs_vblk_set(bp, vinfo[i].nvi_vblocknr);
nandfs_buf_set(bp, NANDFS_VBLK_ASSIGNED);
nandfs_dirty_buf(bp, 1);
}
VOP_UNLOCK(NTOV(gc), 0);
/* Delete checkpoints */
for (i = 0; i < npd; i++) {
DPRINTF(CLEAN, ("delete checkpoint: %jx\n",
(uintmax_t)pd[i].p_start));
error = nandfs_delete_cp(nffsdev->nd_cp_node, pd[i].p_start,
pd[i].p_end);
if (error) {
nandfs_error("%s:%d", __FILE__, __LINE__);
goto out;
}
}
/* Update vblocks */
for (i = 0; i < nvinfo; i++) {
if (vinfo[i].nvi_alive)
continue;
DPRINTF(CLEAN, ("freeing vblknr: %jx\n", vinfo[i].nvi_vblocknr));
error = nandfs_vblock_free(nffsdev, vinfo[i].nvi_vblocknr);
if (error) {
nandfs_error("%s:%d", __FILE__, __LINE__);
goto out;
}
}
error = nandfs_process_bdesc(nffsdev, bdesc, nbdesc);
if (error) {
nandfs_error("%s:%d", __FILE__, __LINE__);
goto out;
}
/* Add segments to clean */
if (nffsdev->nd_free_count) {
nffsdev->nd_free_base = realloc(nffsdev->nd_free_base,
(nffsdev->nd_free_count + nsegs) * sizeof(uint64_t),
M_NANDFSTEMP, M_WAITOK | M_ZERO);
memcpy(&nffsdev->nd_free_base[nffsdev->nd_free_count], segments,
nsegs * sizeof(uint64_t));
nffsdev->nd_free_count += nsegs;
} else {
nffsdev->nd_free_base = malloc(nsegs * sizeof(uint64_t),
M_NANDFSTEMP, M_WAITOK|M_ZERO);
memcpy(nffsdev->nd_free_base, segments,
nsegs * sizeof(uint64_t));
nffsdev->nd_free_count = nsegs;
}
out:
DPRINTF(CLEAN, ("%s: exit error %d\n", __func__, error));
return (error);
}
