55     fn erase(&mut self, offset: usize, len: usize) -> Result<()>;  in erase()
56     fn write(&mut self, offset: usize, payload: &[u8]) -> Result<()>;  in write()
57     fn read(&self, offset: usize, data: &mut [u8]) -> Result<()>;  in read()
59     fn add_bad_region(&mut self, offset: usize, len: usize, rate: f32) -> Result<()>;  in add_bad_region()
133     fn get_sector(&self, offset: usize) -> Option<(usize, usize)> {  in get_sector()
134         let mut offset = offset;  in get_sector()  localVariable
136             if offset < size {  in get_sector()
137                 return Some((sector, offset));  in get_sector()
139             offset -= size;  in get_sector()
152     fn erase(&mut self, offset: usize, len: usize) -> Result<()> {  in erase()
153         let (_start, slen) = self.get_sector(offset).ok_or_else(|| ebounds("start"))?;  in erase()
154         let (end, elen) = self.get_sector(offset + len - 1).ok_or_else(|| ebounds("end"))?;  in erase()
163         for x in &mut self.data[offset .. offset + len] {  in erase()
167         for x in &mut self.write_safe[offset .. offset + len] {  in erase()
182     fn write(&mut self, offset: usize, payload: &[u8]) -> Result<()> {  in write()
184             if offset >= off && (offset + payload.len()) <= (off + len) {  in write()
194         if offset + payload.len() > self.data.len() {  in write()
199         if offset & (self.align - 1) != 0 {  in write()
207 …      for (i, x) in &mut self.write_safe[offset .. offset + payload.len()].iter_mut().enumerate() {  in write()
209                 panic!("Write to unerased location at 0x{:x}", offset + i);  in write()
214         let sub = &mut self.data[offset .. offset + payload.len()];  in write()
220     fn read(&self, offset: usize, data: &mut [u8]) -> Result<()> {  in read()
221         if offset + data.len() > self.data.len() {  in read()
225         let sub = &self.data[offset .. offset + data.len()];  in read()
232     fn add_bad_region(&mut self, offset: usize, len: usize, rate: f32) -> Result<()> {  in add_bad_region()
237         info!("Adding new bad region {:#x}-{:#x}", offset, offset + len);  in add_bad_region()
238         self.bad_region.push((offset, len, rate));  in add_bad_region()