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authorJames Morris <james.l.morris@oracle.com>2017-09-24 22:41:55 -0700
committerJames Morris <james.l.morris@oracle.com>2017-09-24 22:41:55 -0700
commit25eabb13c7d67ae32298015c5e28d00f604f412c (patch)
tree5bd75c2c1e385c79425bb099f0d19db7fb9c391f /include/linux/drbd_limits.h
parentab5348c9c23cd253f5902980d2d8fe067dc24c82 (diff)
parente19b205be43d11bff638cad4487008c48d21c103 (diff)
Merge tag 'v4.14-rc2' into next-general
Linux 4.14-rc2 Sync to v4.14-rc2 for security subsystem developers to track.
Diffstat (limited to 'include/linux/drbd_limits.h')
-rw-r--r--include/linux/drbd_limits.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/include/linux/drbd_limits.h b/include/linux/drbd_limits.h
index ddac68422a96..24ae1b9b76c7 100644
--- a/include/linux/drbd_limits.h
+++ b/include/linux/drbd_limits.h
@@ -209,12 +209,18 @@
#define DRBD_MD_FLUSHES_DEF 1
#define DRBD_TCP_CORK_DEF 1
#define DRBD_AL_UPDATES_DEF 1
+
/* We used to ignore the discard_zeroes_data setting.
* To not change established (and expected) behaviour,
* by default assume that, for discard_zeroes_data=0,
* we can make that an effective discard_zeroes_data=1,
* if we only explicitly zero-out unaligned partial chunks. */
-#define DRBD_DISCARD_ZEROES_IF_ALIGNED 1
+#define DRBD_DISCARD_ZEROES_IF_ALIGNED_DEF 1
+
+/* Some backends pretend to support WRITE SAME,
+ * but fail such requests when they are actually submitted.
+ * This is to tell DRBD to not even try. */
+#define DRBD_DISABLE_WRITE_SAME_DEF 0
#define DRBD_ALLOW_TWO_PRIMARIES_DEF 0
#define DRBD_ALWAYS_ASBP_DEF 0