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authorKevin Wolf <kwolf@redhat.com>2016-09-12 19:08:31 +0200
committerKevin Wolf <kwolf@redhat.com>2016-09-29 14:13:39 +0200
commitb85114f8cfbede8b153db68875973ef0790bf296 (patch)
treef145eb5c7d45e3e2ad8eefb5c06ac5bf72d20883 /include/sysemu/block-backend.h
parent692e01a27ccde4120f1371227d4011f668d67a76 (diff)
downloadqemu-b85114f8cfbede8b153db68875973ef0790bf296.tar.gz
block: Use 'detect-zeroes' option for 'blockdev-change-medium'
Instead of modifying the new BDS after it has been opened, use the newly supported 'detect-zeroes' option in bdrv_open_common() so that all requirements are checked (detect-zeroes=unmap requires discard=unmap). Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com>
Diffstat (limited to 'include/sysemu/block-backend.h')
-rw-r--r--include/sysemu/block-backend.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/sysemu/block-backend.h b/include/sysemu/block-backend.h
index 24d1d85399..a7993afcda 100644
--- a/include/sysemu/block-backend.h
+++ b/include/sysemu/block-backend.h
@@ -198,7 +198,7 @@ void blk_io_unplug(BlockBackend *blk);
BlockAcctStats *blk_get_stats(BlockBackend *blk);
BlockBackendRootState *blk_get_root_state(BlockBackend *blk);
void blk_update_root_state(BlockBackend *blk);
-void blk_apply_root_state(BlockBackend *blk, BlockDriverState *bs);
+bool blk_get_detect_zeroes_from_root_state(BlockBackend *blk);
int blk_get_open_flags_from_root_state(BlockBackend *blk);
void *blk_aio_get(const AIOCBInfo *aiocb_info, BlockBackend *blk,