Merge branch 'for-2.6.39/drivers' of git://git.kernel.dk/linux-2.6-block

* 'for-2.6.39/drivers' of git://git.kernel.dk/linux-2.6-block: (122 commits)
  cciss: fix lost command issue
  drbd: need include for bitops functions declarations
  Revert "cciss: Add missing allocation in scsi_cmd_stack_setup and  corresponding deallocation"
  cciss: fix missed command status value CMD_UNABORTABLE
  cciss: remove unnecessary casts
  cciss: Mask off error bits of c->busaddr in cmd_special_free when calling pci_free_consistent
  cciss: Inform controller we are using 32-bit tags.
  cciss: hoist tag masking out of loop
  cciss: Add missing allocation in scsi_cmd_stack_setup and  corresponding deallocation
  cciss: export resettable host attribute
  drbd: drop code present under #ifdef which is relevant to 2.6.28 and below
  drbd: Fixed handling of read errors on a 'VerifyS' node
  drbd: Fixed handling of read errors on a 'VerifyT' node
  drbd: Implemented real timeout checking for request processing time
  drbd: Remove unused function atodb_endio()
  drbd: improve log message if received sector offset exceeds local capacity
  drbd: kill dead code
  drbd: don't BUG_ON, if bio_add_page of a single page to an empty bio fails
  drbd: Removed left over, now wrong comments
  drbd: serialize admin requests for new verify run with pending bitmap io
  ...

4 files changed, 41 insertions, 8 deletions

diff --git a/include/linux/drbd.h b/include/linux/drbd.h
index ef44c7a0638c..d18d673ebc78 100644
--- a/include/linux/drbd.h
+++ b/include/linux/drbd.h
@@ -53,10 +53,10 @@
 
 
 extern const char *drbd_buildtag(void);
-#define REL_VERSION "8.3.9"
+#define REL_VERSION "8.3.10"
 #define API_VERSION 88
 #define PRO_VERSION_MIN 86
-#define PRO_VERSION_MAX 95
+#define PRO_VERSION_MAX 96
 
 
 enum drbd_io_error_p {
@@ -96,8 +96,14 @@ enum drbd_on_no_data {
         OND_SUSPEND_IO
 };
 
+enum drbd_on_congestion {
+        OC_BLOCK,
+        OC_PULL_AHEAD,
+        OC_DISCONNECT,
+};
+
 /* KEEP the order, do not delete or insert. Only append. */
-enum drbd_ret_codes {
+enum drbd_ret_code {
         ERR_CODE_BASE           = 100,
         NO_ERROR                = 101,
         ERR_LOCAL_ADDR          = 102,
@@ -146,6 +152,9 @@ enum drbd_ret_codes {
         ERR_PERM                = 152,
         ERR_NEED_APV_93         = 153,
         ERR_STONITH_AND_PROT_A  = 154,
+        ERR_CONG_NOT_PROTO_A    = 155,
+        ERR_PIC_AFTER_DEP       = 156,
+        ERR_PIC_PEER_DEP        = 157,
 
         /* insert new ones above this line */
         AFTER_LAST_ERR_CODE
@@ -199,6 +208,10 @@ enum drbd_conns {
         C_VERIFY_T,
         C_PAUSED_SYNC_S,
         C_PAUSED_SYNC_T,
+
+        C_AHEAD,
+        C_BEHIND,
+
         C_MASK = 31
 };
 
@@ -259,7 +272,7 @@ union drbd_state {
         unsigned int i;
 };
 
-enum drbd_state_ret_codes {
+enum drbd_state_rv {
         SS_CW_NO_NEED = 4,
         SS_CW_SUCCESS = 3,
         SS_NOTHING_TO_DO = 2,
@@ -290,7 +303,7 @@ enum drbd_state_ret_codes {
 extern const char *drbd_conn_str(enum drbd_conns);
 extern const char *drbd_role_str(enum drbd_role);
 extern const char *drbd_disk_str(enum drbd_disk_state);
-extern const char *drbd_set_st_err_str(enum drbd_state_ret_codes);
+extern const char *drbd_set_st_err_str(enum drbd_state_rv);
 
 #define SHARED_SECRET_MAX 64
 
diff --git a/include/linux/drbd_limits.h b/include/linux/drbd_limits.h
index 4ac33f34b77e..bb264a5732de 100644
--- a/include/linux/drbd_limits.h
+++ b/include/linux/drbd_limits.h
@@ -16,7 +16,8 @@
 #define DEBUG_RANGE_CHECK 0
 
 #define DRBD_MINOR_COUNT_MIN 1
-#define DRBD_MINOR_COUNT_MAX 255
+#define DRBD_MINOR_COUNT_MAX 256
+#define DRBD_MINOR_COUNT_DEF 32
 
 #define DRBD_DIALOG_REFRESH_MIN 0
 #define DRBD_DIALOG_REFRESH_MAX 600
@@ -129,6 +130,7 @@
 #define DRBD_AFTER_SB_2P_DEF ASB_DISCONNECT
 #define DRBD_RR_CONFLICT_DEF ASB_DISCONNECT
 #define DRBD_ON_NO_DATA_DEF OND_IO_ERROR
+#define DRBD_ON_CONGESTION_DEF OC_BLOCK
 
 #define DRBD_MAX_BIO_BVECS_MIN 0
 #define DRBD_MAX_BIO_BVECS_MAX 128
@@ -154,5 +156,13 @@
 #define DRBD_C_MIN_RATE_MAX     (4 << 20)
 #define DRBD_C_MIN_RATE_DEF     4096
 
+#define DRBD_CONG_FILL_MIN      0
+#define DRBD_CONG_FILL_MAX      (10<<21) /* 10GByte in sectors */
+#define DRBD_CONG_FILL_DEF      0
+
+#define DRBD_CONG_EXTENTS_MIN   DRBD_AL_EXTENTS_MIN
+#define DRBD_CONG_EXTENTS_MAX   DRBD_AL_EXTENTS_MAX
+#define DRBD_CONG_EXTENTS_DEF   DRBD_AL_EXTENTS_DEF
+
 #undef RANGE
 #endif
diff --git a/include/linux/drbd_nl.h b/include/linux/drbd_nl.h
index ade91107c9a5..ab6159e4fcf0 100644
--- a/include/linux/drbd_nl.h
+++ b/include/linux/drbd_nl.h
@@ -56,6 +56,9 @@ NL_PACKET(net_conf, 5,
         NL_INTEGER(     39,     T_MAY_IGNORE,   rr_conflict)
         NL_INTEGER(     40,     T_MAY_IGNORE,   ping_timeo)
         NL_INTEGER(     67,     T_MAY_IGNORE,   rcvbuf_size)
+        NL_INTEGER(     81,     T_MAY_IGNORE,   on_congestion)
+        NL_INTEGER(     82,     T_MAY_IGNORE,   cong_fill)
+        NL_INTEGER(     83,     T_MAY_IGNORE,   cong_extents)
           /* 59 addr_family was available in GIT, never released */
         NL_BIT(         60,     T_MANDATORY,    mind_af)
         NL_BIT(         27,     T_MAY_IGNORE,   want_lose)
@@ -66,7 +69,9 @@ NL_PACKET(net_conf, 5,
         NL_BIT(         70,     T_MANDATORY,    dry_run)
 )
 
-NL_PACKET(disconnect, 6, )
+NL_PACKET(disconnect, 6,
+        NL_BIT(         84,     T_MAY_IGNORE,   force)
+)
 
 NL_PACKET(resize, 7,
         NL_INT64(               29,     T_MAY_IGNORE,   resize_size)
@@ -143,9 +148,13 @@ NL_PACKET(new_c_uuid, 26,
        NL_BIT(          63,     T_MANDATORY,    clear_bm)
 )
 
+#ifdef NL_RESPONSE
+NL_RESPONSE(return_code_only, 27)
+#endif
+
 #undef NL_PACKET
 #undef NL_INTEGER
 #undef NL_INT64
 #undef NL_BIT
 #undef NL_STRING
-
+#undef NL_RESPONSE
diff --git a/include/linux/drbd_tag_magic.h b/include/linux/drbd_tag_magic.h
index fcdff8410e99..f14a165e82dc 100644
--- a/include/linux/drbd_tag_magic.h
+++ b/include/linux/drbd_tag_magic.h
@@ -7,6 +7,7 @@
 /* declare packet_type enums */
 enum packet_types {
 #define NL_PACKET(name, number, fields) P_ ## name = number,
+#define NL_RESPONSE(name, number) P_ ## name = number,
 #define NL_INTEGER(pn, pr, member)
 #define NL_INT64(pn, pr, member)
 #define NL_BIT(pn, pr, member)