39 cor_open(BlockDriverState *bs, QDict *options, int flags, Error **errp)  in cor_open()  argument
42     BDRVStateCOR *state = bs->opaque;  in cor_open()
49     ret = bdrv_open_file_child(NULL, options, "file", bs, errp);  in cor_open()
56     bs->supported_read_flags = BDRV_REQ_PREFETCH;  in cor_open()
58     bs->supported_write_flags = BDRV_REQ_WRITE_UNCHANGED |  in cor_open()
59         (BDRV_REQ_FUA & bs->file->bs->supported_write_flags);  in cor_open()
61     bs->supported_zero_flags = BDRV_REQ_WRITE_UNCHANGED |  in cor_open()
63             bs->file->bs->supported_zero_flags);  in cor_open()
84         if (bdrv_freeze_backing_chain(bs, bottom_bs, errp) < 0) {  in cor_open()
111 static void cor_child_perm(BlockDriverState *bs, BdrvChild *c,  in cor_child_perm()  argument
122     if (!(bs->open_flags & BDRV_O_INACTIVE)) {  in cor_child_perm()
128 static int64_t coroutine_fn GRAPH_RDLOCK cor_co_getlength(BlockDriverState *bs)  in cor_co_getlength()  argument
130     return bdrv_co_getlength(bs->file->bs);  in cor_co_getlength()
135 cor_co_preadv_part(BlockDriverState *bs, int64_t offset, int64_t bytes,  in cor_co_preadv_part()  argument
142     BDRVStateCOR *state = bs->opaque;  in cor_co_preadv_part()
145         return bdrv_co_preadv_part(bs->file, offset, bytes, qiov, qiov_offset,  in cor_co_preadv_part()
153         ret = bdrv_co_is_allocated(bs->file->bs, offset, bytes, &n);  in cor_co_preadv_part()
155             ret = bdrv_co_is_allocated_above(bdrv_backing_chain_next(bs->file->bs),  in cor_co_preadv_part()
170             ret = bdrv_co_preadv_part(bs->file, offset, n, qiov, qiov_offset,  in cor_co_preadv_part()
187 cor_co_pwritev_part(BlockDriverState *bs, int64_t offset, int64_t bytes,  in cor_co_pwritev_part()  argument
191     return bdrv_co_pwritev_part(bs->file, offset, bytes, qiov, qiov_offset,  in cor_co_pwritev_part()
197 cor_co_pwrite_zeroes(BlockDriverState *bs, int64_t offset, int64_t bytes,  in cor_co_pwrite_zeroes()  argument
200     return bdrv_co_pwrite_zeroes(bs->file, offset, bytes, flags);  in cor_co_pwrite_zeroes()
205 cor_co_pdiscard(BlockDriverState *bs, int64_t offset, int64_t bytes)  in cor_co_pdiscard()  argument
207     return bdrv_co_pdiscard(bs->file, offset, bytes);  in cor_co_pdiscard()
212 cor_co_pwritev_compressed(BlockDriverState *bs, int64_t offset, int64_t bytes,  in cor_co_pwritev_compressed()  argument
215     return bdrv_co_pwritev(bs->file, offset, bytes, qiov,  in cor_co_pwritev_compressed()
221 cor_co_eject(BlockDriverState *bs, bool eject_flag)  in cor_co_eject()  argument
223     bdrv_co_eject(bs->file->bs, eject_flag);  in cor_co_eject()
228 cor_co_lock_medium(BlockDriverState *bs, bool locked)  in cor_co_lock_medium()  argument
230     bdrv_co_lock_medium(bs->file->bs, locked);  in cor_co_lock_medium()
234 static void GRAPH_UNLOCKED cor_close(BlockDriverState *bs)  in cor_close()  argument
236     BDRVStateCOR *s = bs->opaque;  in cor_close()
243         bdrv_unfreeze_backing_chain(bs, s->bottom_bs);  in cor_close()