/*
* process statfs command, display the file system status.
*/
static void rfs_getdev(struct aipc_rfs_msg *msg)
{
struct aipc_rfs_getdev *param = (struct aipc_rfs_getdev*)msg->parameter;
struct kstatfs statfs;
struct pf_devinf *info;
int ret;
mm_segment_t oldfs = get_fs();
info = (struct pf_devinf *) ambalink_phys_to_virt((u32)param->devinf);
memset(info, 0x0, sizeof(struct pf_devinf));
memset(&statfs, 0x0, sizeof(statfs));
set_fs(KERNEL_DS);
ret = user_statfs(param->name, &statfs);
set_fs(oldfs);
if(ret < 0) {
DMSG("rfs_getdev error: %d\n", ret);
goto done;
}
info->cls = statfs.f_blocks;
info->ecl = statfs.f_bfree;
info->bps = 512;
info->spc = statfs.f_bsize / info->bps;
info->cpg = 1;
info->ecg = info->ecl / info->cpg;
info->fmt = PF_FMT_FAT32;
done:
param->status = ret;
}
/*
* The following statfs calls are copies of code from fs/statfs.c and
* should be checked against those from time to time
*/
asmlinkage long compat_sys_statfs(const char __user *pathname, struct compat_statfs __user *buf)
{
struct kstatfs tmp;
int error = user_statfs(pathname, &tmp);
if (!error)
error = put_compat_statfs(buf, &tmp);
return error;
}
/*
* The following statfs calls are copies of code from fs/statfs.c and
* should be checked against those from time to time
*/
COMPAT_SYSCALL_DEFINE2(statfs, const char __user *, pathname, struct compat_statfs __user *, buf)
{
struct kstatfs tmp;
int error = user_statfs(pathname, &tmp);
if (!error)
error = put_compat_statfs(buf, &tmp);
return error;
}
SYSCALL_DEFINE2(statfs, const char __user *, pathname, struct statfs __user *, buf)
{
struct kstatfs st;
int error = user_statfs(pathname, &st);
if (!error)
error = do_statfs_native(&st, buf);
return error;
}
/* hpux statfs */
asmlinkage long hpux_statfs(const char __user *pathname,
struct hpux_statfs __user *buf)
{
struct kstatfs st;
int error = user_statfs(pathname, &st);
if (!error)
error = do_statfs_hpux(&st, buf);
return error;
}
SYSCALL_DEFINE3(statfs64, const char __user *, pathname, size_t, sz, struct statfs64 __user *, buf)
{
struct kstatfs st;
int error;
if (sz != sizeof(*buf))
return -EINVAL;
error = user_statfs(pathname, &st);
if (!error)
error = do_statfs64(&st, buf);
return error;
}
asmlinkage long compat_sys_statfs64(const char __user *pathname, compat_size_t sz, struct compat_statfs64 __user *buf)
{
struct kstatfs tmp;
int error;
if (sz != sizeof(*buf))
return -EINVAL;
error = user_statfs(pathname, &tmp);
if (!error)
error = put_compat_statfs64(buf, &tmp);
return error;
}
COMPAT_SYSCALL_DEFINE3(statfs64, const char __user *, pathname, compat_size_t, sz, struct compat_statfs64 __user *, buf)
{
struct kstatfs tmp;
int error;
if (sz != sizeof(*buf))
return -EINVAL;
error = user_statfs(pathname, &tmp);
if (!error)
error = put_compat_statfs64(buf, &tmp);
return error;
}
