b=17682 limit performance impact of rpctrace, dlmtrace & quota

[fs/lustre-release.git] / lustre / include / obd_support.h

diff --git a/lustre/include/obd_support.h b/lustre/include/obd_support.h
index 75bc6d2..295ab00 100644 (file)
--- a/lustre/include/obd_support.h
+++ b/lustre/include/obd_support.h
@@ -74,6 +74,11 @@ extern unsigned int obd_dump_on_eviction;
    networking / disk / timings affected by load (use Adaptive Timeouts) */
 extern unsigned int obd_timeout;          /* seconds */
 extern unsigned int ldlm_timeout;         /* seconds */
+extern unsigned int at_min;
+extern unsigned int at_max;
+extern unsigned int at_history;
+extern int at_early_margin;
+extern int at_extra;
 extern unsigned int obd_sync_filter;
 extern unsigned int obd_max_dirty_pages;
 extern atomic_t obd_dirty_pages;
@@ -89,6 +94,22 @@ int __obd_fail_timeout_set(__u32 id, __u32 value, int ms, int set);
 int obd_alloc_fail(const void *ptr, const char *name, const char *type,
                    size_t size, const char *file, int line);
 
+/* Some hash init argument constants */
+#define HASH_POOLS_CUR_BITS 3
+#define HASH_POOLS_MAX_BITS 7
+#define HASH_UUID_CUR_BITS 7
+#define HASH_UUID_MAX_BITS 12
+#define HASH_NID_CUR_BITS 7
+#define HASH_NID_MAX_BITS 12
+#define HASH_NID_STATS_CUR_BITS 7
+#define HASH_NID_STATS_MAX_BITS 12
+#define HASH_LQS_CUR_BITS 7
+#define HASH_LQS_MAX_BITS 12
+#define HASH_CONN_CUR_BITS 5
+#define HASH_CONN_MAX_BITS 15
+#define HASH_EXP_LOCK_CUR_BITS  7
+#define HASH_EXP_LOCK_MAX_BITS  16
+
 /* Timeout definitions */
 #define OBD_TIMEOUT_DEFAULT             100
 #define LDLM_TIMEOUT_DEFAULT            20
@@ -123,14 +144,16 @@ int obd_alloc_fail(const void *ptr, const char *name, const char *type,
    chance to generate adaptive timeout data. */
 #define INITIAL_CONNECT_TIMEOUT max(CONNECTION_SWITCH_MIN,obd_timeout/2)
 #endif
+/* The max delay between connects is SWITCH_MAX + SWITCH_INC + INITIAL */
+#define RECONNECT_DELAY_MAX (CONNECTION_SWITCH_MAX + CONNECTION_SWITCH_INC + \
+                             INITIAL_CONNECT_TIMEOUT)
 #define LONG_UNLINK 300          /* Unlink should happen before now */
 
 /**
  * Time interval of shrink, if the client is "idle" more than this interval,
  * then the ll_grant thread will return the requested grant space to filter
  */
-#define GRANT_SHRINK_INTERVAL             360/*6 minutes*/
-
+#define GRANT_SHRINK_INTERVAL            1200/*20 minutes*/
 
 #define OBD_FAIL_MDS                     0x100
 #define OBD_FAIL_MDS_HANDLE_UNPACK       0x101
@@ -196,6 +219,11 @@ int obd_alloc_fail(const void *ptr, const char *name, const char *type,
 #define OBD_FAIL_MDS_DROP_QUOTA_REQ      0x13d
 #define OBD_FAIL_MDS_REMOVE_COMMON_EA    0x13e
 #define OBD_FAIL_MDS_ALLOW_COMMON_EA_SETTING   0x13f
+#define OBD_FAIL_MDS_FAIL_LOV_LOG_ADD    0x140
+#define OBD_FAIL_MDS_LOV_PREP_CREATE     0x141
+#define OBD_FAIL_MDS_REINT_DELAY         0x142
+#define OBD_FAIL_MDS_OPEN_WAIT_CREATE    0x143
+#define OBD_FAIL_MDS_READLINK_EPROTO     0x144
 
 /* CMD */
 #define OBD_FAIL_MDS_IS_SUBDIR_NET       0x180
@@ -204,6 +232,7 @@ int obd_alloc_fail(const void *ptr, const char *name, const char *type,
 #define OBD_FAIL_MDS_WRITEPAGE_NET       0x183
 #define OBD_FAIL_MDS_WRITEPAGE_PACK      0x184
 #define OBD_FAIL_MDS_RECOVERY_ACCEPTS_GAPS 0x185
+#define OBD_FAIL_MDS_GET_INFO_NET        0x186
 
 #define OBD_FAIL_OST                     0x200
 #define OBD_FAIL_OST_CONNECT_NET         0x201
@@ -289,6 +318,7 @@ int obd_alloc_fail(const void *ptr, const char *name, const char *type,
 #define OBD_FAIL_OSC_CKSUM_ADLER_ONLY    0x40c
 #define OBD_FAIL_OSC_DIO_PAUSE           0x40d
 #define OBD_FAIL_OSC_OBJECT_CONTENTION   0x40e
+#define OBD_FAIL_OSC_CP_CANCEL_RACE      0x40f
 
 #define OBD_FAIL_PTLRPC                  0x500
 #define OBD_FAIL_PTLRPC_ACK              0x501
@@ -302,12 +332,12 @@ int obd_alloc_fail(const void *ptr, const char *name, const char *type,
 #define OBD_FAIL_PTLRPC_PAUSE_REQ        0x50a
 #define OBD_FAIL_PTLRPC_PAUSE_REP        0x50c
 #define OBD_FAIL_PTLRPC_IMP_DEACTIVE     0x50d
-
 #define OBD_FAIL_PTLRPC_DUMP_LOG         0x50e
 #define OBD_FAIL_PTLRPC_LONG_REPL_UNLINK 0x50f
 #define OBD_FAIL_PTLRPC_LONG_BULK_UNLINK 0x510
 #define OBD_FAIL_PTLRPC_HPREQ_TIMEOUT    0x511
 #define OBD_FAIL_PTLRPC_HPREQ_NOTIMEOUT  0x512
+#define OBD_FAIL_PTLRPC_DROP_REQ_OPC     0x513
 
 #define OBD_FAIL_OBD_PING_NET            0x600
 #define OBD_FAIL_OBD_LOG_CANCEL_NET      0x601
@@ -716,7 +746,7 @@ do {                                                                          \
 })
 #define OBD_SLAB_ALLOC(ptr, slab, type, size)                                 \
 do {                                                                          \
-        LASSERT(!in_interrupt());                                             \
+        LASSERT(ergo(type != CFS_ALLOC_ATOMIC, !in_interrupt()));             \
         (ptr) = cfs_mem_cache_alloc(slab, (type));                            \
         if (likely((ptr) != NULL &&                                           \
                    (!HAS_FAIL_ALLOC_FLAG || obd_alloc_fail_rate == 0 ||       \