47   struct bchlib_s *bch = (struct bchlib_s *)handle;  in bchlib_write()  local
64   sector     = offset / bch->sectsize;  in bchlib_write()
65   sectoffset = offset - sector * bch->sectsize;  in bchlib_write()
67   if (sector >= bch->nsectors)  in bchlib_write()
79       ret = bchlib_readsector(bch, sector + bch->sectstart);  in bchlib_write()
87       if (sectoffset + len > bch->sectsize)  in bchlib_write()
89           nbytes = bch->sectsize - sectoffset;  in bchlib_write()
96       ret = LOS_CopyToKernel(&bch->buffer[sectoffset], nbytes, buffer, nbytes);  in bchlib_write()
102       bch->dirty = true;  in bchlib_write()
108       if (sector >= bch->nsectors)  in bchlib_write()
122   if (len >= bch->sectsize)  in bchlib_write()
124       nsectors = len / bch->sectsize;  in bchlib_write()
125       if (sector + nsectors > bch->nsectors)  in bchlib_write()
127           nsectors = bch->nsectors - sector;  in bchlib_write()
132       ret = los_disk_write(bch->disk->disk_id, (const void *)buffer,  in bchlib_write()
133                            sector + bch->sectstart, nsectors);  in bchlib_write()
143       nbytes        = nsectors * bch->sectsize;  in bchlib_write()
146       if (sector >= bch->nsectors)  in bchlib_write()
161       ret = bchlib_readsector(bch, sector + bch->sectstart);  in bchlib_write()
169       ret = LOS_CopyToKernel(bch->buffer, len, buffer, len);  in bchlib_write()
175       bch->dirty = true;  in bchlib_write()
184   ret = bchlib_flushsector(bch);  in bchlib_write()