*
* You should have received a copy of the GNU General Public License
* version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
+ * http://www.gnu.org/licenses/gpl-2.0.html
*
* GPL HEADER END
*/
* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2015, Intel Corporation.
+ * Copyright (c) 2011, 2017, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#ifndef _OBD_SUPPORT
#define _OBD_SUPPORT
-#ifndef __KERNEL__
-# error Userspace should not include obd_support.h.
-#endif /* !__KERNEL__ */
-
#include <linux/atomic.h>
+#include <linux/ctype.h>
#include <linux/highmem.h>
#include <linux/slab.h>
#include <linux/types.h>
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_lbug_on_eviction;
/* obd_timeout should only be used for recovery, not for
networking / disk / timings affected by load (use Adaptive Timeouts) */
extern unsigned int obd_timeout; /* seconds */
#define OBD_FAIL_MDS_CONNECT_PACK 0x118
#define OBD_FAIL_MDS_REINT_NET_REP 0x119
#define OBD_FAIL_MDS_DISCONNECT_NET 0x11a
-#define OBD_FAIL_MDS_GETSTATUS_NET 0x11b
-#define OBD_FAIL_MDS_GETSTATUS_PACK 0x11c
+#define OBD_FAIL_MDS_GET_ROOT_NET 0x11b
+#define OBD_FAIL_MDS_GET_ROOT_PACK 0x11c
#define OBD_FAIL_MDS_STATFS_PACK 0x11d
+#define OBD_FAIL_MDS_STATFS_SUM_PACK 0x11d
#define OBD_FAIL_MDS_STATFS_NET 0x11e
+#define OBD_FAIL_MDS_STATFS_SUM_NET 0x11e
#define OBD_FAIL_MDS_GETATTR_NAME_NET 0x11f
#define OBD_FAIL_MDS_PIN_NET 0x120
#define OBD_FAIL_MDS_UNPIN_NET 0x121
#define OBD_FAIL_MDS_LLOG_CREATE_FAILED2 0x15b
#define OBD_FAIL_MDS_FLD_LOOKUP 0x15c
#define OBD_FAIL_MDS_INTENT_DELAY 0x160
+#define OBD_FAIL_MDS_XATTR_REP 0x161
+#define OBD_FAIL_MDS_TRACK_OVERFLOW 0x162
+#define OBD_FAIL_MDS_LOV_CREATE_RACE 0x163
+#define OBD_FAIL_MDS_HSM_CDT_DELAY 0x164
+#define OBD_FAIL_MDS_ORPHAN_DELETE 0x165
/* layout lock */
#define OBD_FAIL_MDS_NO_LL_GETATTR 0x170
#define OBD_FAIL_OSD_COMPAT_INVALID_ENTRY 0x195
#define OBD_FAIL_OSD_COMPAT_NO_ENTRY 0x196
#define OBD_FAIL_OSD_OST_EA_FID_SET 0x197
+#define OBD_FAIL_OSD_NO_OI_ENTRY 0x198
+#define OBD_FAIL_OSD_INDEX_CRASH 0x199
+
+#define OBD_FAIL_OSD_TXN_START 0x19a
+
+#define OBD_FAIL_OFD_SET_OID 0x1e0
#define OBD_FAIL_OST 0x200
#define OBD_FAIL_OST_CONNECT_NET 0x201
#define OBD_FAIL_OST_SET_INFO_NET 0x232
#define OBD_FAIL_OST_NODESTROY 0x233
#define OBD_FAIL_OST_READ_SIZE 0x234
+#define OBD_FAIL_OST_LADVISE_NET 0x235
+#define OBD_FAIL_OST_PAUSE_PUNCH 0x236
+#define OBD_FAIL_OST_LADVISE_PAUSE 0x237
+#define OBD_FAIL_OST_FAKE_RW 0x238
+#define OBD_FAIL_OST_LIST_ASSERT 0x239
+#define OBD_FAIL_OST_GL_WORK_ALLOC 0x240
+#define OBD_FAIL_OST_SKIP_LV_CHECK 0x241
+#define OBD_FAIL_OST_STATFS_DELAY 0x242
+#define OBD_FAIL_OST_INTEGRITY_FAULT 0x243
+#define OBD_FAIL_OST_INTEGRITY_CMP 0x244
+#define OBD_FAIL_OST_DISCONNECT_DELAY 0x245
+#define OBD_FAIL_OST_DELAY_TRANS 0x246
#define OBD_FAIL_LDLM 0x300
#define OBD_FAIL_LDLM_NAMESPACE_NEW 0x301
#define OBD_FAIL_LDLM_WATERMARK_LOW 0x327
#define OBD_FAIL_LDLM_WATERMARK_HIGH 0x328
+#define OBD_FAIL_LDLM_GRANT_CHECK 0x32a
+#define OBD_FAIL_LDLM_PROLONG_PAUSE 0x32b
+
/* LOCKLESS IO */
#define OBD_FAIL_LDLM_SET_CONTENTION 0x385
#define OBD_FAIL_OSC_CHECKSUM_RECEIVE 0x408
#define OBD_FAIL_OSC_CHECKSUM_SEND 0x409
#define OBD_FAIL_OSC_BRW_PREP_REQ2 0x40a
-#define OBD_FAIL_OSC_CONNECT_CKSUM 0x40b
+/* #define OBD_FAIL_OSC_CONNECT_CKSUM 0x40b Obsolete since 2.9 */
#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_ENQ_RACE 0x410
#define OBD_FAIL_OSC_NO_GRANT 0x411
#define OBD_FAIL_OSC_DELAY_SETTIME 0x412
+#define OBD_FAIL_OSC_CONNECT_GRANT_PARAM 0x413
+#define OBD_FAIL_OSC_DELAY_IO 0x414
#define OBD_FAIL_PTLRPC 0x500
#define OBD_FAIL_PTLRPC_ACK 0x501
#define OBD_FAIL_PTLRPC_CLIENT_BULK_CB2 0x515
#define OBD_FAIL_PTLRPC_DELAY_IMP_FULL 0x516
#define OBD_FAIL_PTLRPC_CANCEL_RESEND 0x517
+#define OBD_FAIL_PTLRPC_DROP_BULK 0x51a
+#define OBD_FAIL_PTLRPC_LONG_REQ_UNLINK 0x51b
+#define OBD_FAIL_PTLRPC_LONG_BOTH_UNLINK 0x51c
#define OBD_FAIL_PTLRPC_CLIENT_BULK_CB3 0x520
+#define OBD_FAIL_PTLRPC_BULK_ATTACH 0x521
+#define OBD_FAIL_PTLRPC_CONNECT_RACE 0x531
#define OBD_FAIL_OBD_PING_NET 0x600
-#define OBD_FAIL_OBD_LOG_CANCEL_NET 0x601
+/* OBD_FAIL_OBD_LOG_CANCEL_NET 0x601 obsolete since 1.5 */
#define OBD_FAIL_OBD_LOGD_NET 0x602
/* OBD_FAIL_OBD_QC_CALLBACK_NET 0x603 obsolete since 2.4 */
#define OBD_FAIL_OBD_DQACQ 0x604
#define OBD_FAIL_OBD_LLOG_SETUP 0x605
-#define OBD_FAIL_OBD_LOG_CANCEL_REP 0x606
+/* OBD_FAIL_OBD_LOG_CANCEL_REP 0x606 obsolete since 1.5 */
#define OBD_FAIL_OBD_IDX_READ_NET 0x607
#define OBD_FAIL_OBD_IDX_READ_BREAK 0x608
#define OBD_FAIL_OBD_NO_LRU 0x609
+#define OBD_FAIL_OBDCLASS_MODULE_LOAD 0x60a
#define OBD_FAIL_TGT_REPLY_NET 0x700
#define OBD_FAIL_TGT_CONN_RACE 0x701
#define OBD_FAIL_TGT_REPLAY_DELAY2 0x714
#define OBD_FAIL_TGT_REPLAY_RECONNECT 0x715
#define OBD_FAIL_TGT_MOUNT_RACE 0x716
+#define OBD_FAIL_TGT_REPLAY_TIMEOUT 0x717
+#define OBD_FAIL_TGT_CLIENT_DEL 0x718
+#define OBD_FAIL_TGT_SLUGGISH_NET 0x719
+#define OBD_FAIL_TGT_RCVD_EIO 0x720
+#define OBD_FAIL_TGT_RECOVERY_REQ_RACE 0x721
+#define OBD_FAIL_TGT_REPLY_DATA_RACE 0x722
#define OBD_FAIL_MDC_REVALIDATE_PAUSE 0x800
#define OBD_FAIL_MDC_ENQUEUE_PAUSE 0x801
#define OBD_FAIL_MDC_OLD_EXT_FLAGS 0x802
#define OBD_FAIL_MDC_GETATTR_ENQUEUE 0x803
-#define OBD_FAIL_MDC_RPCS_SEM 0x804
+#define OBD_FAIL_MDC_RPCS_SEM 0x804 /* deprecated */
#define OBD_FAIL_MDC_LIGHTWEIGHT 0x805
+#define OBD_FAIL_MDC_CLOSE 0x806
+#define OBD_FAIL_MDC_MERGE 0x807
#define OBD_FAIL_MGS 0x900
#define OBD_FAIL_MGS_ALL_REQUEST_NET 0x901
#define OBD_FAIL_MGS_TARGET_DEL_NET 0x90b
#define OBD_FAIL_MGS_CONFIG_READ_NET 0x90c
#define OBD_FAIL_MGS_LDLM_REPLY_NET 0x90d
+#define OBD_FAIL_MGS_WRITE_TARGET_DELAY 0x90e
#define OBD_FAIL_QUOTA_DQACQ_NET 0xA01
#define OBD_FAIL_QUOTA_EDQUOT 0xA02
#define OBD_FAIL_SEC_CTX_HDL_PAUSE 0x1204
#define OBD_FAIL_LLOG 0x1300
-#define OBD_FAIL_LLOG_ORIGIN_CONNECT_NET 0x1301
+/* was OBD_FAIL_LLOG_ORIGIN_CONNECT_NET 0x1301 until 2.4 */
#define OBD_FAIL_LLOG_ORIGIN_HANDLE_CREATE_NET 0x1302
-#define OBD_FAIL_LLOG_ORIGIN_HANDLE_DESTROY_NET 0x1303
+/* was OBD_FAIL_LLOG_ORIGIN_HANDLE_DESTROY_NET 0x1303 until 2.11 */
#define OBD_FAIL_LLOG_ORIGIN_HANDLE_READ_HEADER_NET 0x1304
#define OBD_FAIL_LLOG_ORIGIN_HANDLE_NEXT_BLOCK_NET 0x1305
#define OBD_FAIL_LLOG_ORIGIN_HANDLE_PREV_BLOCK_NET 0x1306
-#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
+/* was OBD_FAIL_LLOG_ORIGIN_HANDLE_WRITE_REC_NET 0x1307 until 2.1 */
+/* was OBD_FAIL_LLOG_ORIGIN_HANDLE_CLOSE_NET 0x1308 until 1.8 */
+/* was OBD_FAIL_LLOG_CATINFO_NET 0x1309 until 2.3 */
#define OBD_FAIL_MDS_SYNC_CAPA_SL 0x1310
#define OBD_FAIL_SEQ_ALLOC 0x1311
#define OBD_FAIL_CAT_RECORDS 0x1312
+#define OBD_FAIL_CAT_FREE_RECORDS 0x1313
+#define OBD_FAIL_TIME_IN_CHLOG_USER 0x1314
+#define CFS_FAIL_CHLOG_USER_REG_UNREG_RACE 0x1315
+#define OBD_FAIL_FORCE_GC_THREAD 0x1316
+#define OBD_FAIL_LLOG_PROCESS_TIMEOUT 0x1317
#define OBD_FAIL_LLITE 0x1400
#define OBD_FAIL_LLITE_FAULT_TRUNC_RACE 0x1401
#define OBD_FAIL_LLITE_XATTR_ENOMEM 0x1405
#define OBD_FAIL_MAKE_LOVEA_HOLE 0x1406
#define OBD_FAIL_LLITE_LOST_LAYOUT 0x1407
+#define OBD_FAIL_LLITE_NO_CHECK_DEAD 0x1408
+#define OBD_FAIL_GETATTR_DELAY 0x1409
+#define OBD_FAIL_LLITE_CREATE_FILE_PAUSE 0x1409
+#define OBD_FAIL_LLITE_NEWNODE_PAUSE 0x140a
+#define OBD_FAIL_LLITE_SETDIRSTRIPE_PAUSE 0x140b
+#define OBD_FAIL_LLITE_CREATE_NODE_PAUSE 0x140c
+#define OBD_FAIL_LLITE_IMUTEX_SEC 0x140e
+#define OBD_FAIL_LLITE_IMUTEX_NOSEC 0x140f
#define OBD_FAIL_FID_INDIR 0x1501
#define OBD_FAIL_FID_INLMA 0x1502
#define OBD_FAIL_LFSCK_MUL_REF 0x1622
#define OBD_FAIL_LFSCK_BAD_TYPE 0x1623
#define OBD_FAIL_LFSCK_NO_NAMEENTRY 0x1624
-#define OBD_FAIL_LFSCK_MORE_NLINK 0x1625
#define OBD_FAIL_LFSCK_LESS_NLINK 0x1626
-#define OBD_FAIL_LFSCK_LINKEA_OVERFLOW 0x1627
#define OBD_FAIL_LFSCK_BAD_NAME_HASH 0x1628
#define OBD_FAIL_LFSCK_LOST_MASTER_LMV 0x1629
#define OBD_FAIL_LFSCK_LOST_SLAVE_LMV 0x162a
#define OBD_FAIL_LFSCK_BAD_SLAVE_LMV 0x162b
#define OBD_FAIL_LFSCK_BAD_SLAVE_NAME 0x162c
+#define OBD_FAIL_LFSCK_ENGINE_DELAY 0x162d
+#define OBD_FAIL_LFSCK_LOST_MDTOBJ2 0x162e
+#define OBD_FAIL_LFSCK_BAD_PFL_RANGE 0x162f
+#define OBD_FAIL_LFSCK_NO_AGENTOBJ 0x1630
+#define OBD_FAIL_LFSCK_NO_AGENTENT 0x1631
#define OBD_FAIL_LFSCK_NOTIFY_NET 0x16f0
#define OBD_FAIL_LFSCK_QUERY_NET 0x16f1
#define OBD_FAIL_SPLIT_UPDATE_REC 0x1702
#define OBD_FAIL_LARGE_STRIPE 0x1703
#define OBD_FAIL_OUT_ENOSPC 0x1704
+#define OBD_FAIL_INVALIDATE_UPDATE 0x1705
/* MIGRATE */
-#define OBD_FAIL_MIGRATE_NET_REP 0x1800
#define OBD_FAIL_MIGRATE_ENTRIES 0x1801
-#define OBD_FAIL_MIGRATE_LINKEA 0x1802
-#define OBD_FAIL_MIGRATE_DELAY 0x1803
/* LMV */
#define OBD_FAIL_UNKNOWN_LMV_STRIPE 0x1901
+/* FLR */
+#define OBD_FAIL_FLR_GLIMPSE_IMMUTABLE 0x1A00
+#define OBD_FAIL_FLR_LV_DELAY 0x1A01
+#define OBD_FAIL_FLR_LV_INC 0x1A02
+#define OBD_FAIL_FLR_RANDOM_PICK_MIRROR 0x1A03
+
/* DT */
#define OBD_FAIL_DT_DECLARE_ATTR_GET 0x2000
#define OBD_FAIL_DT_ATTR_GET 0x2001
#define OBD_FAIL_DT_DECLARE_DELETE 0x2016
#define OBD_FAIL_DT_DELETE 0x2017
#define OBD_FAIL_DT_LOOKUP 0x2018
+#define OBD_FAIL_DT_TXN_STOP 0x2019
#define OBD_FAIL_OSP_CHECK_INVALID_REC 0x2100
#define OBD_FAIL_OSP_CHECK_ENOMEM 0x2101
+#define OBD_FAIL_OSP_FAKE_PRECREATE 0x2102
+#define OBD_FAIL_OSP_RPCS_SEM 0x2104
+
+ /* barrier */
+#define OBD_FAIL_MGS_BARRIER_READ_NET 0x2200
+#define OBD_FAIL_MGS_BARRIER_NOTIFY_NET 0x2201
+#define OBD_FAIL_BARRIER_DELAY 0x2202
+#define OBD_FAIL_BARRIER_FAILURE 0x2203
+
+#define OBD_FAIL_OSD_FAIL_AT_TRUNCATE 0x2301
+
+/* LNet is allocated failure locations 0xe000 to 0xffff */
/* 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_MALLOC_VERBOSE(ptr, cptab, cpt, size, flags) \
do { \
- (ptr) = (cptab) == NULL ? \
- kmalloc(size, (flags) | __GFP_ZERO) : \
- cfs_cpt_malloc(cptab, cpt, size, (flags) | __GFP_ZERO); \
- if (likely((ptr) != NULL)) \
- OBD_ALLOC_POST(ptr, size, "kmalloced"); \
+ if (cptab) \
+ ptr = cfs_cpt_malloc((cptab), (cpt), (size), \
+ (flags) | __GFP_ZERO | __GFP_NOWARN); \
+ if (!(cptab) || unlikely(!(ptr))) /* retry without CPT if failure */ \
+ ptr = kmalloc(size, (flags) | __GFP_ZERO); \
+ if (likely((ptr) != NULL)) \
+ OBD_ALLOC_POST((ptr), (size), "kmalloced"); \
} while (0)
#define OBD_ALLOC_GFP(ptr, size, gfp_mask) \
if (unlikely((ptr) == NULL)) { \
CERROR("vmalloc of '" #ptr "' (%d bytes) failed\n", \
(int)(size)); \
- CERROR(LPU64" total bytes allocated by Lustre, %d by LNET\n", \
+ CERROR("%llu total bytes allocated by Lustre, %d by LNET\n", \
obd_memory_sum(), atomic_read(&libcfs_kmemory)); \
} else { \
OBD_ALLOC_POST(ptr, size, "vmalloced"); \
#define OBD_ALLOC_LARGE(ptr, size) \
do { \
- OBD_ALLOC_GFP(ptr, size, GFP_NOFS | __GFP_NOWARN); \
+ /* LU-8196 - force large allocations to use vmalloc, not kmalloc */ \
+ if ((size) > KMALLOC_MAX_SIZE) \
+ ptr = NULL; \
+ else \
+ OBD_ALLOC_GFP(ptr, size, GFP_NOFS | __GFP_NOWARN); \
if (ptr == NULL) \
OBD_VMALLOC(ptr, size); \
} while (0)
OBD_CPT_VMALLOC(ptr, cptab, cpt, size); \
} while (0)
-#define OBD_FREE_LARGE(ptr, size) OBD_FREE(ptr, size)
-
#ifdef CONFIG_DEBUG_SLAB
#define POISON(ptr, c, s) do {} while (0)
#define POISON_PTR(ptr) ((void)0)
#endif
#ifdef POISON_BULK
-#define POISON_PAGE(page, val) do { memset(kmap(page), val, PAGE_CACHE_SIZE); \
+#define POISON_PAGE(page, val) do { memset(kmap(page), val, PAGE_SIZE); \
kunmap(page); } while (0)
#else
#define POISON_PAGE(page, val) do { } while (0)
#endif
-#define OBD_FREE(ptr, size) \
-do { \
- if (is_vmalloc_addr(ptr)) { \
+#define OBD_FREE(ptr, size) \
+do { \
+ OBD_FREE_PRE(ptr, size, "kfreed"); \
+ kfree(ptr); \
+ POISON_PTR(ptr); \
+} while (0)
+
+#define OBD_FREE_LARGE(ptr, size) \
+do { \
+ if (is_vmalloc_addr(ptr)) { \
OBD_FREE_PRE(ptr, size, "vfreed"); \
- vfree(ptr); \
- } else { \
- OBD_FREE_PRE(ptr, size, "kfreed"); \
- kfree(ptr); \
+ vfree(ptr); \
+ POISON_PTR(ptr); \
+ } else { \
+ OBD_FREE(ptr, size); \
} \
- POISON_PTR(ptr); \
-} while(0)
+} while (0)
#define OBD_FREE_RCU(ptr, size, handle) \
do { \
#define KEY_IS(str) \
(keylen >= (sizeof(str)-1) && memcmp(key, str, (sizeof(str)-1)) == 0)
+/* LUSTRE_LMA_FL_MASKS defines which flags will be stored in LMA */
+
+static inline int lma_to_lustre_flags(__u32 lma_flags)
+{
+ return (lma_flags & LMAI_ORPHAN) ? LUSTRE_ORPHAN_FL : 0;
+}
+
+static inline int lustre_to_lma_flags(__u32 la_flags)
+{
+ return (la_flags & LUSTRE_ORPHAN_FL) ? LMAI_ORPHAN : 0;
+}
+
#endif