int
mdir_changefid(struct mnode *dir, const char *name, AFSFid fid) {
fbuf the_fbuf;
VenusFid vfid;
int ret, saved_ret;
int32_t len;
assert (dir->flags.sbp);
assert (dir->flags.fdp);
vfid.Cell = 0;
vfid.fid = fid;
ret = fbuf_create (&the_fbuf, dir->fd, dir->sb.st_size,
FBUF_READ|FBUF_WRITE|FBUF_SHARED);
if (ret)
return ret;
saved_ret = fdir_changefid (&the_fbuf, name, &vfid);
if (ret == 0) {
len = fbuf_len (&the_fbuf);
mnode_update_size (dir, &len);
}
ret = fbuf_end (&the_fbuf);
if (ret)
return ret;
return saved_ret;
}
int
mdir_remove (struct mnode *node,
const char *name)
{
fbuf the_fbuf;
int ret, saved_ret;
int32_t len;
assert (node->flags.sbp);
assert (node->flags.fdp);
ret = fbuf_create (&the_fbuf, node->fd, node->sb.st_size,
FBUF_READ|FBUF_WRITE|FBUF_SHARED);
if (ret)
return ret;
saved_ret = fdir_remove (&the_fbuf, name, NULL);
if (ret == 0) {
len = fbuf_len (&the_fbuf);
mnode_update_size (node, &len);
}
ret = fbuf_end (&the_fbuf);
if (ret)
return ret;
return saved_ret;
}
int
mdir_mkdir (struct mnode *node,
AFSFid dot,
AFSFid dot_dot)
{
fbuf the_fbuf;
int ret, saved_ret;
int32_t len;
assert (node->flags.sbp);
assert (node->flags.fdp);
ret = fbuf_create (&the_fbuf, node->fd, node->sb.st_size,
FBUF_READ|FBUF_WRITE|FBUF_SHARED);
if (ret)
return ret;
saved_ret = fdir_mkdir (&the_fbuf, dot, dot_dot);
if (ret == 0) {
len = fbuf_len (&the_fbuf);
mnode_update_size (node, &len);
}
ret = fbuf_end (&the_fbuf);
if (ret)
return ret;
return saved_ret;
}
int
mnode_update_size_cached (struct mnode *n)
{
if (n->flags.sbp == FALSE) {
assert (n->flags.fdp);
return mnode_update_size (n, NULL);
}
n->fs.Length = n->sb.st_size;
return 0;
}
