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-rw-r--r--include/block/block.h3
1 files changed, 1 insertions, 2 deletions
diff --git a/include/block/block.h b/include/block/block.h
index 738eeb6..7bacd55 100644
--- a/include/block/block.h
+++ b/include/block/block.h
@@ -82,7 +82,6 @@ typedef struct HDGeometry {
#define BDRV_O_SNAPSHOT 0x0008 /* open the file read only and save writes in a snapshot */
#define BDRV_O_TEMPORARY 0x0010 /* delete the file after use */
#define BDRV_O_NOCACHE 0x0020 /* do not use the host page cache */
-#define BDRV_O_CACHE_WB 0x0040 /* use write-back caching */
#define BDRV_O_NATIVE_AIO 0x0080 /* use native AIO instead of the thread pool */
#define BDRV_O_NO_BACKING 0x0100 /* don't open the backing file */
#define BDRV_O_NO_FLUSH 0x0200 /* disable flushing on this disk */
@@ -96,7 +95,7 @@ typedef struct HDGeometry {
ignoring the format layer */
#define BDRV_O_NO_IO 0x10000 /* don't initialize for I/O */
-#define BDRV_O_CACHE_MASK (BDRV_O_NOCACHE | BDRV_O_CACHE_WB | BDRV_O_NO_FLUSH)
+#define BDRV_O_CACHE_MASK (BDRV_O_NOCACHE | BDRV_O_NO_FLUSH)
/* Option names of options parsed by the block layer */
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