diff options
Diffstat (limited to 'include/block/block-io.h')
| -rw-r--r-- | include/block/block-io.h | 110 |
1 files changed, 59 insertions, 51 deletions
diff --git a/include/block/block-io.h b/include/block/block-io.h index 614cbd7eda..5da99d4d60 100644 --- a/include/block/block-io.h +++ b/include/block/block-io.h @@ -60,27 +60,29 @@ int co_wrapper_mixed_bdrv_rdlock bdrv_pwrite_sync(BdrvChild *child, int64_t offset, int64_t bytes, const void *buf, BdrvRequestFlags flags); -int coroutine_fn bdrv_co_pwrite_sync(BdrvChild *child, int64_t offset, - int64_t bytes, const void *buf, - BdrvRequestFlags flags); +int coroutine_fn GRAPH_RDLOCK +bdrv_co_pwrite_sync(BdrvChild *child, int64_t offset, int64_t bytes, + const void *buf, BdrvRequestFlags flags); + /* * Efficiently zero a region of the disk image. Note that this is a regular * I/O request like read or write and should have a reasonable size. This * function is not suitable for zeroing the entire image in a single request * because it may allocate memory for the entire region. */ -int coroutine_fn bdrv_co_pwrite_zeroes(BdrvChild *child, int64_t offset, - int64_t bytes, BdrvRequestFlags flags); +int coroutine_fn GRAPH_RDLOCK +bdrv_co_pwrite_zeroes(BdrvChild *child, int64_t offset, int64_t bytes, + BdrvRequestFlags flags); -int coroutine_fn bdrv_co_truncate(BdrvChild *child, int64_t offset, bool exact, - PreallocMode prealloc, BdrvRequestFlags flags, - Error **errp); +int coroutine_fn GRAPH_RDLOCK +bdrv_co_truncate(BdrvChild *child, int64_t offset, bool exact, + PreallocMode prealloc, BdrvRequestFlags flags, Error **errp); -int64_t coroutine_fn bdrv_co_nb_sectors(BlockDriverState *bs); -int64_t co_wrapper_mixed bdrv_nb_sectors(BlockDriverState *bs); +int64_t coroutine_fn GRAPH_RDLOCK bdrv_co_nb_sectors(BlockDriverState *bs); +int64_t co_wrapper_mixed_bdrv_rdlock bdrv_nb_sectors(BlockDriverState *bs); -int64_t coroutine_fn bdrv_co_getlength(BlockDriverState *bs); -int64_t co_wrapper_mixed bdrv_getlength(BlockDriverState *bs); +int64_t coroutine_fn GRAPH_RDLOCK bdrv_co_getlength(BlockDriverState *bs); +int64_t co_wrapper_mixed_bdrv_rdlock bdrv_getlength(BlockDriverState *bs); int64_t coroutine_fn bdrv_co_get_allocated_file_size(BlockDriverState *bs); int64_t co_wrapper bdrv_get_allocated_file_size(BlockDriverState *bs); @@ -88,8 +90,12 @@ int64_t co_wrapper bdrv_get_allocated_file_size(BlockDriverState *bs); BlockMeasureInfo *bdrv_measure(BlockDriver *drv, QemuOpts *opts, BlockDriverState *in_bs, Error **errp); void bdrv_get_geometry(BlockDriverState *bs, uint64_t *nb_sectors_ptr); -int coroutine_fn bdrv_co_delete_file(BlockDriverState *bs, Error **errp); -void coroutine_fn bdrv_co_delete_file_noerr(BlockDriverState *bs); + +int coroutine_fn GRAPH_RDLOCK +bdrv_co_delete_file(BlockDriverState *bs, Error **errp); + +void coroutine_fn GRAPH_RDLOCK +bdrv_co_delete_file_noerr(BlockDriverState *bs); /* async block I/O */ @@ -97,45 +103,45 @@ void bdrv_aio_cancel(BlockAIOCB *acb); void bdrv_aio_cancel_async(BlockAIOCB *acb); /* sg packet commands */ -int coroutine_fn bdrv_co_ioctl(BlockDriverState *bs, int req, void *buf); +int coroutine_fn GRAPH_RDLOCK +bdrv_co_ioctl(BlockDriverState *bs, int req, void *buf); /* Ensure contents are flushed to disk. */ -int coroutine_fn bdrv_co_flush(BlockDriverState *bs); +int coroutine_fn GRAPH_RDLOCK bdrv_co_flush(BlockDriverState *bs); + +int coroutine_fn GRAPH_RDLOCK bdrv_co_pdiscard(BdrvChild *child, int64_t offset, + int64_t bytes); -int coroutine_fn bdrv_co_pdiscard(BdrvChild *child, int64_t offset, - int64_t bytes); bool bdrv_can_write_zeroes_with_unmap(BlockDriverState *bs); int bdrv_block_status(BlockDriverState *bs, int64_t offset, int64_t bytes, int64_t *pnum, int64_t *map, BlockDriverState **file); -int coroutine_fn bdrv_co_block_status_above(BlockDriverState *bs, - BlockDriverState *base, - int64_t offset, int64_t bytes, - int64_t *pnum, int64_t *map, - BlockDriverState **file); +int coroutine_fn GRAPH_RDLOCK +bdrv_co_block_status_above(BlockDriverState *bs, BlockDriverState *base, + int64_t offset, int64_t bytes, int64_t *pnum, + int64_t *map, BlockDriverState **file); int bdrv_block_status_above(BlockDriverState *bs, BlockDriverState *base, int64_t offset, int64_t bytes, int64_t *pnum, int64_t *map, BlockDriverState **file); -int coroutine_fn bdrv_co_is_allocated(BlockDriverState *bs, int64_t offset, - int64_t bytes, int64_t *pnum); +int coroutine_fn GRAPH_RDLOCK +bdrv_co_is_allocated(BlockDriverState *bs, int64_t offset, int64_t bytes, + int64_t *pnum); int bdrv_is_allocated(BlockDriverState *bs, int64_t offset, int64_t bytes, int64_t *pnum); -int coroutine_fn bdrv_co_is_allocated_above(BlockDriverState *top, - BlockDriverState *base, - bool include_base, int64_t offset, - int64_t bytes, int64_t *pnum); +int coroutine_fn GRAPH_RDLOCK +bdrv_co_is_allocated_above(BlockDriverState *top, BlockDriverState *base, + bool include_base, int64_t offset, int64_t bytes, + int64_t *pnum); int bdrv_is_allocated_above(BlockDriverState *top, BlockDriverState *base, bool include_base, int64_t offset, int64_t bytes, int64_t *pnum); -int coroutine_fn bdrv_co_is_zero_fast(BlockDriverState *bs, int64_t offset, - int64_t bytes); +int coroutine_fn GRAPH_RDLOCK +bdrv_co_is_zero_fast(BlockDriverState *bs, int64_t offset, int64_t bytes); -int bdrv_can_set_read_only(BlockDriverState *bs, bool read_only, - bool ignore_allow_rdw, Error **errp); int bdrv_apply_auto_read_only(BlockDriverState *bs, const char *errmsg, Error **errp); bool bdrv_is_read_only(BlockDriverState *bs); @@ -143,11 +149,14 @@ bool bdrv_is_writable(BlockDriverState *bs); bool bdrv_is_sg(BlockDriverState *bs); int bdrv_get_flags(BlockDriverState *bs); -bool coroutine_fn bdrv_co_is_inserted(BlockDriverState *bs); -bool co_wrapper bdrv_is_inserted(BlockDriverState *bs); +bool coroutine_fn GRAPH_RDLOCK bdrv_co_is_inserted(BlockDriverState *bs); +bool co_wrapper_bdrv_rdlock bdrv_is_inserted(BlockDriverState *bs); + +void coroutine_fn GRAPH_RDLOCK +bdrv_co_lock_medium(BlockDriverState *bs, bool locked); -void coroutine_fn bdrv_co_lock_medium(BlockDriverState *bs, bool locked); -void coroutine_fn bdrv_co_eject(BlockDriverState *bs, bool eject_flag); +void coroutine_fn GRAPH_RDLOCK +bdrv_co_eject(BlockDriverState *bs, bool eject_flag); const char *bdrv_get_format_name(BlockDriverState *bs); @@ -231,17 +240,15 @@ void coroutine_fn bdrv_co_leave(BlockDriverState *bs, AioContext *old_ctx); AioContext *child_of_bds_get_parent_aio_context(BdrvChild *c); -void coroutine_fn bdrv_co_io_plug(BlockDriverState *bs); -void coroutine_fn bdrv_co_io_unplug(BlockDriverState *bs); +void coroutine_fn GRAPH_RDLOCK bdrv_co_io_plug(BlockDriverState *bs); +void coroutine_fn GRAPH_RDLOCK bdrv_co_io_unplug(BlockDriverState *bs); -bool coroutine_fn bdrv_co_can_store_new_dirty_bitmap(BlockDriverState *bs, - const char *name, - uint32_t granularity, - Error **errp); -bool co_wrapper bdrv_can_store_new_dirty_bitmap(BlockDriverState *bs, - const char *name, - uint32_t granularity, - Error **errp); +bool coroutine_fn GRAPH_RDLOCK +bdrv_co_can_store_new_dirty_bitmap(BlockDriverState *bs, const char *name, + uint32_t granularity, Error **errp); +bool co_wrapper_bdrv_rdlock +bdrv_can_store_new_dirty_bitmap(BlockDriverState *bs, const char *name, + uint32_t granularity, Error **errp); /** * @@ -272,10 +279,11 @@ bool co_wrapper bdrv_can_store_new_dirty_bitmap(BlockDriverState *bs, * * Returns: 0 if succeeded; negative error code if failed. **/ -int coroutine_fn bdrv_co_copy_range(BdrvChild *src, int64_t src_offset, - BdrvChild *dst, int64_t dst_offset, - int64_t bytes, BdrvRequestFlags read_flags, - BdrvRequestFlags write_flags); +int coroutine_fn GRAPH_RDLOCK +bdrv_co_copy_range(BdrvChild *src, int64_t src_offset, + BdrvChild *dst, int64_t dst_offset, + int64_t bytes, BdrvRequestFlags read_flags, + BdrvRequestFlags write_flags); /* * "I/O or GS" API functions. These functions can run without |