int file_close(int fd)
{
int ret;
struct file *file;
if ((ret = fd2file(fd, &file)) != 0) {
return ret;
}
filemap_close(file);
return 0;
}
void
fs_closeall(struct fs_struct *fs_struct) {
assert(fs_struct != NULL && fs_count(fs_struct) > 0);
int i;
struct file *file = fs_struct->filemap;
for (i = 2, file += 2; i < FS_STRUCT_NENTRY; i ++, file ++) {
if (file->status == FD_OPENED) {
filemap_close(file);
}
}
}
void
fs_destroy(struct fs_struct *fs_struct) {
assert(fs_struct != NULL && fs_count(fs_struct) == 0);
if (fs_struct->pwd != NULL) {
vop_ref_dec(fs_struct->pwd);
}
int i;
struct file *file = fs_struct->filemap;
for (i = 0; i < FS_STRUCT_NENTRY; i ++, file ++) {
if (file->status == FD_OPENED) {
filemap_close(file);
}
assert(file->status == FD_NONE);
}
kfree(fs_struct);
}