* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2011, 2012, Whamcloud, Inc.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
OBD_STATS_NUM,
};
-enum {
- OBD_FAIL_LOC_NOSET = 0,
- OBD_FAIL_LOC_ORSET = 1,
- OBD_FAIL_LOC_RESET = 2
-};
-
-extern unsigned long obd_fail_loc;
-extern unsigned int obd_fail_val;
extern unsigned int obd_debug_peer_on_timeout;
extern unsigned int obd_dump_on_timeout;
extern unsigned int obd_dump_on_eviction;
extern unsigned int obd_max_dirty_pages;
extern cfs_atomic_t obd_dirty_pages;
extern cfs_atomic_t obd_dirty_transit_pages;
-extern cfs_waitq_t obd_race_waitq;
-extern int obd_race_state;
extern unsigned int obd_alloc_fail_rate;
-int __obd_fail_check_set(__u32 id, __u32 value, int set);
-int __obd_fail_timeout_set(__u32 id, __u32 value, int ms, int set);
-
/* lvfs.c */
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_BKT_BITS 3
#define HASH_POOLS_CUR_BITS 3
#define HASH_POOLS_MAX_BITS 7
+#define HASH_UUID_BKT_BITS 5
#define HASH_UUID_CUR_BITS 7
#define HASH_UUID_MAX_BITS 12
+#define HASH_NID_BKT_BITS 5
#define HASH_NID_CUR_BITS 7
#define HASH_NID_MAX_BITS 12
+#define HASH_NID_STATS_BKT_BITS 5
#define HASH_NID_STATS_CUR_BITS 7
#define HASH_NID_STATS_MAX_BITS 12
+#define HASH_LQS_BKT_BITS 5
#define HASH_LQS_CUR_BITS 7
#define HASH_LQS_MAX_BITS 12
+#define HASH_CONN_BKT_BITS 5
#define HASH_CONN_CUR_BITS 5
#define HASH_CONN_MAX_BITS 15
+#define HASH_EXP_LOCK_BKT_BITS 5
#define HASH_EXP_LOCK_CUR_BITS 7
#define HASH_EXP_LOCK_MAX_BITS 16
+#define HASH_CL_ENV_BKT_BITS 5
+#define HASH_CL_ENV_BITS 10
/* Timeout definitions */
#define OBD_TIMEOUT_DEFAULT 100
#define LDLM_TIMEOUT_DEFAULT 20
#define MDS_LDLM_TIMEOUT_DEFAULT 6
-/* Time to wait for all clients to reconnect during recovery */
+/* Time to wait for all clients to reconnect during recovery (hard limit) */
+#define OBD_RECOVERY_TIME_HARD (obd_timeout * 9)
+/* Time to wait for all clients to reconnect during recovery (soft limit) */
/* Should be very conservative; must catch the first reconnect after reboot */
-#define OBD_RECOVERY_FACTOR (3) /* times obd_timeout */
+#define OBD_RECOVERY_TIME_SOFT (obd_timeout * 3)
/* Change recovery-small 26b time if you change this */
#define PING_INTERVAL max(obd_timeout / 4, 1U)
+/* a bit more than maximal journal commit time in seconds */
+#define PING_INTERVAL_SHORT min(PING_INTERVAL, 7U)
/* Client may skip 1 ping; we must wait at least 2.5. But for multiple
* failover targets the client only pings one server at a time, and pings
* can be lost on a loaded network. Since eviction has serious consequences,
/* The max delay between connects is SWITCH_MAX + SWITCH_INC + INITIAL */
#define RECONNECT_DELAY_MAX (CONNECTION_SWITCH_MAX + CONNECTION_SWITCH_INC + \
INITIAL_CONNECT_TIMEOUT)
+/* The min time a target should wait for clients to reconnect in recovery */
+#define OBD_RECOVERY_TIME_MIN (2*RECONNECT_DELAY_MAX)
+#define OBD_IR_FACTOR_MIN 1
+#define OBD_IR_FACTOR_MAX 10
+#define OBD_IR_FACTOR_DEFAULT (OBD_IR_FACTOR_MAX/2)
+/* default timeout for the MGS to become IR_FULL */
+#define OBD_IR_MGS_TIMEOUT (4*obd_timeout)
#define LONG_UNLINK 300 /* Unlink should happen before now */
/**
#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
+#define OBD_FAIL_MDS_READLINK_EPROTO 0x143
+#define OBD_FAIL_MDS_OPEN_WAIT_CREATE 0x144
+#define OBD_FAIL_MDS_PDO_LOCK 0x145
+#define OBD_FAIL_MDS_PDO_LOCK2 0x146
+#define OBD_FAIL_MDS_OSC_CREATE_FAIL 0x147
/* CMD */
#define OBD_FAIL_MDS_IS_SUBDIR_NET 0x180
#define OBD_FAIL_OST_CONNECT_NET2 0x225
#define OBD_FAIL_OST_NOMEM 0x226
#define OBD_FAIL_OST_BRW_PAUSE_BULK2 0x227
+#define OBD_FAIL_OST_MAPBLK_ENOSPC 0x228
+#define OBD_FAIL_OST_ENOINO 0x229
#define OBD_FAIL_LDLM 0x300
#define OBD_FAIL_LDLM_NAMESPACE_NEW 0x301
#define OBD_FAIL_LDLM_OST_FAIL_RACE 0x316
#define OBD_FAIL_LDLM_INTR_CP_AST 0x317
#define OBD_FAIL_LDLM_CP_BL_RACE 0x318
+#define OBD_FAIL_LDLM_NEW_LOCK 0x319
+#define OBD_FAIL_LDLM_AGL_DELAY 0x31a
+#define OBD_FAIL_LDLM_AGL_NOLOCK 0x31b
/* LOCKLESS IO */
#define OBD_FAIL_LDLM_SET_CONTENTION 0x385
#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_OSC_CP_ENQ_RACE 0x410
+#define OBD_FAIL_OSC_NO_GRANT 0x411
#define OBD_FAIL_PTLRPC 0x500
#define OBD_FAIL_PTLRPC_ACK 0x501
#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_PTLRPC_FINISH_REPLAY 0x514
+#define OBD_FAIL_PTLRPC_CLIENT_BULK_CB2 0x515
#define OBD_FAIL_OBD_PING_NET 0x600
#define OBD_FAIL_OBD_LOG_CANCEL_NET 0x601
#define OBD_FAIL_TGT_FAKE_EXP 0x708
#define OBD_FAIL_TGT_REPLAY_DELAY 0x709
#define OBD_FAIL_TGT_LAST_REPLAY 0x710
+#define OBD_FAIL_TGT_CLIENT_ADD 0x711
+#define OBD_FAIL_TGT_RCVG_FLAG 0x712
#define OBD_FAIL_MDC_REVALIDATE_PAUSE 0x800
#define OBD_FAIL_MDC_ENQUEUE_PAUSE 0x801
#define OBD_FAIL_LLOG_ORIGIN_HANDLE_WRITE_REC_NET 0x1307
#define OBD_FAIL_LLOG_ORIGIN_HANDLE_CLOSE_NET 0x1308
#define OBD_FAIL_LLOG_CATINFO_NET 0x1309
-
-
-/* Failure injection control */
-#define OBD_FAIL_MASK_SYS 0x0000FF00
-#define OBD_FAIL_MASK_LOC (0x000000FF | OBD_FAIL_MASK_SYS)
-
-#define OBD_FAILED_BIT 30
-/* OBD_FAILED is 0x40000000 */
-#define OBD_FAILED (1 << OBD_FAILED_BIT)
-
-#define OBD_FAIL_ONCE_BIT 31
-/* OBD_FAIL_ONCE is 0x80000000 */
-#define OBD_FAIL_ONCE (1 << OBD_FAIL_ONCE_BIT)
-
-/* The following flags aren't made to be combined */
-#define OBD_FAIL_SKIP 0x20000000 /* skip N times then fail */
-#define OBD_FAIL_SOME 0x10000000 /* only fail N times */
-#define OBD_FAIL_RAND 0x08000000 /* fail 1/N of the times */
-#define OBD_FAIL_USR1 0x04000000 /* user flag */
-
-#define OBD_FAIL_PRECHECK(id) (obd_fail_loc && \
- (obd_fail_loc & OBD_FAIL_MASK_LOC) == \
- ((id) & OBD_FAIL_MASK_LOC))
-
-static inline int obd_fail_check_set(__u32 id, __u32 value, int set)
-{
- int ret = 0;
- if (unlikely(OBD_FAIL_PRECHECK(id) &&
- (ret = __obd_fail_check_set(id, value, set)))) {
- CERROR("*** obd_fail_loc=%x ***\n", id);
- }
- return ret;
-}
-
-/* If id hit obd_fail_loc, return 1, otherwise return 0 */
-#define OBD_FAIL_CHECK(id) \
- obd_fail_check_set(id, 0, OBD_FAIL_LOC_NOSET)
-
-/* If id hit obd_fail_loc, obd_fail_loc |= value and return 1,
- * otherwise return 0 */
-#define OBD_FAIL_CHECK_ORSET(id, value) \
- obd_fail_check_set(id, value, OBD_FAIL_LOC_ORSET)
-
-/* If id hit obd_fail_loc, obd_fail_loc = value and return 1,
- * otherwise return 0 */
-#define OBD_FAIL_CHECK_RESET(id, value) \
- obd_fail_check_set(id, value, OBD_FAIL_LOC_RESET)
-
-
-static inline int obd_fail_timeout_set(__u32 id, __u32 value, int ms, int set)
-{
- if (unlikely(OBD_FAIL_PRECHECK(id)))
- return __obd_fail_timeout_set(id, value, ms, set);
- else
- return 0;
-}
-
-/* If id hit obd_fail_loc, sleep for seconds or milliseconds */
-#define OBD_FAIL_TIMEOUT(id, secs) \
- obd_fail_timeout_set(id, 0, secs * 1000, OBD_FAIL_LOC_NOSET)
-
-#define OBD_FAIL_TIMEOUT_MS(id, ms) \
- obd_fail_timeout_set(id, 0, ms, OBD_FAIL_LOC_NOSET)
-
-/* If id hit obd_fail_loc, obd_fail_loc |= value and
- * sleep seconds or milliseconds */
-#define OBD_FAIL_TIMEOUT_ORSET(id, value, secs) \
- obd_fail_timeout_set(id, value, secs * 1000, OBD_FAIL_LOC_ORSET)
-
-#define OBD_FAIL_TIMEOUT_MS_ORSET(id, value, ms) \
- obd_fail_timeout_set(id, value, ms, OBD_FAIL_LOC_ORSET)
-
-#ifdef __KERNEL__
-static inline void obd_fail_write(int id, struct super_block *sb)
-{
- /* We set FAIL_ONCE because we never "un-fail" a device */
- if (OBD_FAIL_CHECK_ORSET(id & ~OBD_FAIL_ONCE, OBD_FAIL_ONCE)) {
-#ifdef LIBCFS_DEBUG
- BDEVNAME_DECLARE_STORAGE(tmp);
- CERROR("obd_fail_loc=%x, fail write operation on %s\n",
- id, ll_bdevname(sb, tmp));
-#endif
- /* TODO-CMD: fix getting jdev */
- __lvfs_set_rdonly(lvfs_sbdev(sb), (lvfs_sbdev_type)0);
- }
-}
-#define OBD_FAIL_WRITE(id, sb) obd_fail_write(id, sb)
-
-/* The idea here is to synchronise two threads to force a race. The
- * first thread that calls this with a matching fail_loc is put to
- * sleep. The next thread that calls with the same fail_loc wakes up
- * the first and continues. */
-static inline void obd_race(__u32 id)
-{
- if (OBD_FAIL_PRECHECK(id)) {
- if (unlikely(__obd_fail_check_set(id, 0, OBD_FAIL_LOC_NOSET))) {
- obd_race_state = 0;
- CERROR("obd_race id %x sleeping\n", id);
- OBD_SLEEP_ON(obd_race_waitq, obd_race_state != 0);
- CERROR("obd_fail_race id %x awake\n", id);
- } else {
- CERROR("obd_fail_race id %x waking\n", id);
- obd_race_state = 1;
- cfs_waitq_signal(&obd_race_waitq);
- }
- }
-}
-#define OBD_RACE(id) obd_race(id)
-#else
-/* sigh. an expedient fix until OBD_RACE is fixed up */
-#define OBD_RACE(foo) do {} while(0)
-#endif
-
-#define fixme() CDEBUG(D_OTHER, "FIXME\n");
+#define OBD_FAIL_MDS_SYNC_CAPA_SL 0x1310
+#define OBD_FAIL_SEQ_ALLOC 0x1311
+
+#define OBD_FAIL_LLITE 0x1400
+#define OBD_FAIL_LLITE_FAULT_TRUNC_RACE 0x1401
+
+/* Assign references to moved code to reduce code changes */
+#define OBD_FAIL_PRECHECK(id) CFS_FAIL_PRECHECK(id)
+#define OBD_FAIL_CHECK(id) CFS_FAIL_CHECK(id)
+#define OBD_FAIL_CHECK_VALUE(id, value) CFS_FAIL_CHECK_VALUE(id, value)
+#define OBD_FAIL_CHECK_ORSET(id, value) CFS_FAIL_CHECK_ORSET(id, value)
+#define OBD_FAIL_CHECK_RESET(id, value) CFS_FAIL_CHECK_RESET(id, value)
+#define OBD_FAIL_RETURN(id, ret) CFS_FAIL_RETURN(id, ret)
+#define OBD_FAIL_TIMEOUT(id, secs) CFS_FAIL_TIMEOUT(id, secs)
+#define OBD_FAIL_TIMEOUT_MS(id, ms) CFS_FAIL_TIMEOUT_MS(id, ms)
+#define OBD_FAIL_TIMEOUT_ORSET(id, value, secs) CFS_FAIL_TIMEOUT_ORSET(id, value, secs)
+#define OBD_RACE(id) CFS_RACE(id)
+#define OBD_FAIL_ONCE CFS_FAIL_ONCE
+#define OBD_FAILED CFS_FAILED
extern cfs_atomic_t libcfs_kmemory;
} while(0)
#endif
+#ifdef __KERNEL__
+
+/* Allocations above this size are considered too big and could not be done
+ * atomically.
+ *
+ * Be very careful when changing this value, especially when decreasing it,
+ * since vmalloc in Linux doesn't perform well on multi-cores system, calling
+ * vmalloc in critical path would hurt peformance badly. See LU-66.
+ */
+#define OBD_ALLOC_BIG (4 * CFS_PAGE_SIZE)
+
+#define OBD_ALLOC_LARGE(ptr, size) \
+do { \
+ if (size > OBD_ALLOC_BIG) \
+ OBD_VMALLOC(ptr, size); \
+ else \
+ OBD_ALLOC(ptr, size); \
+} while (0)
+
+#define OBD_FREE_LARGE(ptr, size) \
+do { \
+ if (size > OBD_ALLOC_BIG) \
+ OBD_VFREE(ptr, size); \
+ else \
+ OBD_FREE(ptr, size); \
+} while (0)
+#else
+#define OBD_ALLOC_LARGE(ptr, size) OBD_ALLOC(ptr, size)
+#define OBD_FREE_LARGE(ptr, size) OBD_FREE(ptr,size)
+#endif
+
#ifdef CONFIG_DEBUG_SLAB
#define POISON(ptr, c, s) do {} while (0)
#define POISON_PTR(ptr) ((void)0)
(keylen >= (sizeof(str)-1) && memcmp(key, str, (sizeof(str)-1)) == 0)
/* Wrapper for contiguous page frame allocation */
-#define OBD_PAGES_ALLOC(ptr, order, gfp_mask) \
+#define OBD_PAGE_ALLOC(ptr, gfp_mask) \
do { \
- (ptr) = cfs_alloc_pages(gfp_mask, order); \
+ (ptr) = cfs_alloc_page(gfp_mask); \
if (unlikely((ptr) == NULL)) { \
CERROR("alloc_pages of '" #ptr "' %d page(s) / "LPU64" bytes "\
- "failed\n", (int)(1 << (order)), \
- (__u64)((1 << (order)) << CFS_PAGE_SHIFT)); \
+ "failed\n", (int)1, \
+ (__u64)(1 << CFS_PAGE_SHIFT)); \
CERROR(LPU64" total bytes and "LPU64" total pages " \
"("LPU64" bytes) allocated by Lustre, " \
"%d total bytes by LNET\n", \
obd_pages_sum(), \
cfs_atomic_read(&libcfs_kmemory)); \
} else { \
- obd_pages_add(order); \
+ obd_pages_add(0); \
CDEBUG(D_MALLOC, "alloc_pages '" #ptr "': %d page(s) / " \
LPU64" bytes at %p.\n", \
- (int)(1 << (order)), \
- (__u64)((1 << (order)) << CFS_PAGE_SHIFT), ptr); \
+ (int)1, \
+ (__u64)(1 << CFS_PAGE_SHIFT), ptr); \
} \
} while (0)
-#define OBD_PAGE_ALLOC(ptr, gfp_mask) \
- OBD_PAGES_ALLOC(ptr, 0, gfp_mask)
-
-#define OBD_PAGES_FREE(ptr, order) \
+#define OBD_PAGE_FREE(ptr) \
do { \
LASSERT(ptr); \
- obd_pages_sub(order); \
+ obd_pages_sub(0); \
CDEBUG(D_MALLOC, "free_pages '" #ptr "': %d page(s) / "LPU64" bytes " \
"at %p.\n", \
- (int)(1 << (order)), (__u64)((1 << (order)) << CFS_PAGE_SHIFT),\
+ (int)1, (__u64)(1 << CFS_PAGE_SHIFT), \
ptr); \
- __cfs_free_pages(ptr, order); \
+ cfs_free_page(ptr); \
(ptr) = (void *)0xdeadbeef; \
} while (0)
-#define OBD_PAGE_FREE(ptr) OBD_PAGES_FREE(ptr, 0)
-
#endif
git://git.whamcloud.com / fs / lustre-release.git / blobdiff