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-rw-r--r--freebsd/sys/sys/conf.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/freebsd/sys/sys/conf.h b/freebsd/sys/sys/conf.h
index a8dfc300..a0a73522 100644
--- a/freebsd/sys/sys/conf.h
+++ b/freebsd/sys/sys/conf.h
@@ -64,6 +64,7 @@ struct cdev {
#define SI_DUMPDEV 0x0080 /* is kernel dumpdev */
#define SI_CANDELETE 0x0100 /* can do BIO_DELETE */
#define SI_CLONELIST 0x0200 /* on a clone list */
+#define SI_UNMAPPED 0x0400 /* can handle unmapped I/O */
#ifndef __rtems__
struct timespec si_atime;
struct timespec si_ctime;