int
nandfs_bufsync(struct bufobj *bo, int waitfor)
{
struct vnode *vp;
int error = 0;
vp = bo2vnode(bo);
ASSERT_VOP_LOCKED(vp, __func__);
error = nandfs_sync_file(vp);
if (error)
nandfs_warning("%s: cannot flush buffers err:%d\n",
__func__, error);
return (error);
}
int
bmap_insert_block(struct nandfs_node *node, nandfs_lbn_t lblk,
nandfs_daddr_t vblk)
{
struct nandfs_inode *ip;
struct nandfs_indir a[NIADDR+1], *ap;
struct buf *bp;
nandfs_daddr_t daddr;
int error;
int num, *nump, i;
DPRINTF(BMAP, ("%s: node %p lblk=%jx vblk=%jx\n", __func__, node, lblk,
vblk));
ip = &node->nn_inode;
ap = a;
nump = #
error = bmap_getlbns(node, lblk, ap, nump);
if (error)
return (error);
DPRINTF(BMAP, ("%s: node %p lblk=%jx vblk=%jx got num=%d\n", __func__,
node, lblk, vblk, num));
if (num == 0) {
DPRINTF(BMAP, ("%s: node %p lblk=%jx direct block\n", __func__,
node, lblk));
ip->i_db[lblk] = vblk;
return (0);
}
DPRINTF(BMAP, ("%s: node %p lblk=%jx indirect block level %d\n",
__func__, node, lblk, ap->in_off));
if (num == 1) {
DPRINTF(BMAP, ("%s: node %p lblk=%jx indirect block: inserting "
"%jx as vblk for indirect block %d\n", __func__, node,
lblk, vblk, ap->in_off));
ip->i_ib[ap->in_off] = vblk;
return (0);
}
bp = NULL;
daddr = ip->i_ib[a[0].in_off];
for (i = 1; i < num; i++) {
if (bp)
brelse(bp);
if (daddr == 0) {
DPRINTF(BMAP, ("%s: node %p lblk=%jx vblk=%jx create "
"block %jx %d\n", __func__, node, lblk, vblk,
a[i].in_lbn, a[i].in_off));
error = nandfs_bcreate_meta(node, a[i].in_lbn, NOCRED,
0, &bp);
if (error)
return (error);
} else {
DPRINTF(BMAP, ("%s: node %p lblk=%jx vblk=%jx read "
"block %jx %d\n", __func__, node, daddr, vblk,
a[i].in_lbn, a[i].in_off));
error = nandfs_bread_meta(node, a[i].in_lbn, NOCRED, 0, &bp);
if (error) {
brelse(bp);
return (error);
}
}
daddr = ((nandfs_daddr_t *)bp->b_data)[a[i].in_off];
}
i--;
DPRINTF(BMAP,
("%s: bmap node %p lblk=%jx vblk=%jx inserting vblk level %d at "
"offset %d at %jx\n", __func__, node, lblk, vblk, i, a[i].in_off,
daddr));
if (!bp) {
nandfs_error("%s: cannot find indirect block\n", __func__);
return (-1);
}
((nandfs_daddr_t *)bp->b_data)[a[i].in_off] = vblk;
error = nandfs_dirty_buf_meta(bp, 0);
if (error) {
nandfs_warning("%s: dirty failed buf: %p\n", __func__, bp);
return (error);
}
DPRINTF(BMAP, ("%s: exiting node %p lblk=%jx vblk=%jx\n", __func__,
node, lblk, vblk));
return (error);
}