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authorKevin Wolf <kwolf@redhat.com>2016-09-12 18:03:18 +0200
committerKevin Wolf <kwolf@redhat.com>2016-09-29 14:13:39 +0200
commit818584a43ab0ef52c131865128ef110f867726cd (patch)
tree6358c1eec8d02c561324484b11fd8be100dcc606 /include
parentb85114f8cfbede8b153db68875973ef0790bf296 (diff)
downloadqemu-arm-818584a43ab0ef52c131865128ef110f867726cd.tar.gz
block: Move 'discard' option to bdrv_open_common()
This enables its use for nested child nodes. The compatibility between the 'discard' and 'detect-zeroes' setting is checked in bdrv_open_common() now as the former setting isn't available before calling bdrv_open() any more. 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')
-rw-r--r--include/block/block.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/block/block.h b/include/block/block.h
index 811b060f41..107c603605 100644
--- a/include/block/block.h
+++ b/include/block/block.h
@@ -108,6 +108,7 @@ typedef struct HDGeometry {
#define BDRV_OPT_CACHE_DIRECT "cache.direct"
#define BDRV_OPT_CACHE_NO_FLUSH "cache.no-flush"
#define BDRV_OPT_READ_ONLY "read-only"
+#define BDRV_OPT_DISCARD "discard"
#define BDRV_SECTOR_BITS 9