Method set_dirty_bit

block/src/qcow/header.rs:530–546

Set or clear the dirty bit for QCOW2 v3 images. When `dirty` is true, sets the bit to indicate the image is in use. When `dirty` is false, clears the bit to indicate a clean shutdown.

(
        &mut self,
        file: &mut F,
        dirty: bool,
    )

    /// When `dirty` is true, sets the bit to indicate the image is in use.
    /// When `dirty` is false, clears the bit to indicate a clean shutdown.
    pub fn set_dirty_bit<F: Seek + Write + FileSync>(
        &mut self,
        file: &mut F,
        dirty: bool,
    ) -> BlockResult<()> {
        if self.version == 3 {
            if dirty {
                self.incompatible_features |= IncompatFeatures::DIRTY.bits();
            } else {
                self.incompatible_features &= !IncompatFeatures::DIRTY.bits();
            }
            self.write_incompatible_features(file)?;
            file.fsync()
                .map_err(|e| BlockError::new(BlockErrorKind::Io, Error::SyncingHeader(e)))?;
        }
        Ok(())
    }

    /// Set the corrupt bit for QCOW2 v3 images.
    ///