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-rw-r--r--include/linux/usb_usual.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/usb_usual.h b/include/linux/usb_usual.h
index 245f57dbbb61..0aae1b2ee931 100644
--- a/include/linux/usb_usual.h
+++ b/include/linux/usb_usual.h
@@ -81,6 +81,8 @@
/* Sets max_sectors to 240 */ \
US_FLAG(NO_REPORT_LUNS, 0x10000000) \
/* Cannot handle REPORT_LUNS */ \
+ US_FLAG(ALWAYS_SYNC, 0x20000000) \
+ /* lies about caching, so always sync */ \
#define US_FLAG(name, value) US_FL_##name = value ,
enum { US_DO_ALL_FLAGS };