#ifndef _OBD_SUPPORT
#define _OBD_SUPPORT
-#include <libcfs/kp30.h>
+#include <libcfs/libcfs.h>
#include <lvfs.h>
#include <lprocfs_status.h>
+#if defined(__linux__)
+#include <linux/obd_support.h>
+#elif defined(__APPLE__)
+#include <darwin/obd_support.h>
+#elif defined(__WINNT__)
+#include <winnt/obd_support.h>
+#else
+#error Unsupported operating system.
+#endif
+
/* global variables */
extern struct lprocfs_stats *obd_memory;
enum {
OBD_STATS_NUM,
};
-extern unsigned int obd_fail_loc;
+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 int obd_race_state;
extern unsigned int obd_alloc_fail_rate;
+int __obd_fail_check_set(__u32 id, __u32 value, 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);
+
/* Timeout definitions */
#define LDLM_TIMEOUT_DEFAULT 20
#define OBD_TIMEOUT_DEFAULT 100
#define OBD_FAIL_MDS_LLOG_CREATE_FAILED 0x13c
#define OBD_FAIL_MDS_OSC_PRECREATE 0x13d
#define OBD_FAIL_MDS_LOV_SYNC_RACE 0x13e
+#define OBD_FAIL_MDS_CLOSE_NET_REP 0x13f
+#define OBD_FAIL_MDS_LLOG_SYNC_TIMEOUT 0x140
#define OBD_FAIL_OST 0x200
#define OBD_FAIL_OST_CONNECT_NET 0x201
#define OBD_FAIL_OST_SETATTR_CREDITS 0x21e
#define OBD_FAIL_OST_HOLD_WRITE_RPC 0x21f
#define OBD_FAIL_OST_BRW_WRITE_BULK2 0x220
+#define OBD_FAIL_OST_LLOG_RECOVERY_TIMEOUT 0x221
+#define OBD_FAIL_OST_CANCEL_COOKIE_TIMEOUT 0x222
+#define OBD_FAIL_OST_CONNECT_NET2 0x225
#define OBD_FAIL_LDLM 0x300
#define OBD_FAIL_LDLM_NAMESPACE_NEW 0x301
#define OBD_FAIL_LDLM_GLIMPSE 0x30f
#define OBD_FAIL_LDLM_CANCEL_RACE 0x310
#define OBD_FAIL_LDLM_CANCEL_EVICT_RACE 0x311
+/*
+#define OBD_FAIL_LDLM_PAUSE_CANCEL 0x312
+*/
+#define OBD_FAIL_LDLM_CLOSE_THREAD 0x313
+#define OBD_FAIL_LDLM_CANCEL_BL_CB_RACE 0x314
#define OBD_FAIL_OSC 0x400
#define OBD_FAIL_OSC_BRW_READ_BULK 0x401
#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_CKSUM_ADLER_ONLY 0x40c
+#define OBD_FAIL_OSC_DIO_PAUSE 0x40d
#define OBD_FAIL_PTLRPC 0x500
#define OBD_FAIL_PTLRPC_ACK 0x501
#define OBD_FAIL_TGT_DELAY_CONNECT 0x703
#define OBD_FAIL_TGT_DELAY_RECONNECT 0x704
#define OBD_FAIL_TGT_DELAY_PRECREATE 0x705
+#define OBD_FAIL_TGT_TOOMANY_THREADS 0x706
#define OBD_FAIL_MDC_REVALIDATE_PAUSE 0x800
#define OBD_FAIL_MDC_ENQUEUE_PAUSE 0x801
+#define OBD_FAIL_MDC_GETATTR_ENQUEUE 0x803
#define OBD_FAIL_MGS 0x900
#define OBD_FAIL_MGS_ALL_REQUEST_NET 0x901
/* Failure injection control */
#define OBD_FAIL_MASK_SYS 0x0000FF00
#define OBD_FAIL_MASK_LOC (0x000000FF | OBD_FAIL_MASK_SYS)
-#define OBD_FAIL_ONCE 0x80000000
-#define OBD_FAILED 0x40000000
+
+#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 then fail */
-#define OBD_FAIL_SOME 0x10000000 /* fail N times */
-#define OBD_FAIL_RAND 0x08000000 /* fail 1/N of the time */
+#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 */
-static inline int obd_fail_check(__u32 id)
+#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)
{
- static int count = 0;
- if (likely((obd_fail_loc & OBD_FAIL_MASK_LOC) !=
- (id & OBD_FAIL_MASK_LOC)))
- return 0;
-
- if ((obd_fail_loc & (OBD_FAILED | OBD_FAIL_ONCE)) ==
- (OBD_FAILED | OBD_FAIL_ONCE)) {
- count = 0; /* paranoia */
- return 0;
+ 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 (obd_fail_loc & OBD_FAIL_RAND) {
- unsigned int ll_rand(void);
- if (obd_fail_val < 2)
- return 0;
- if (ll_rand() % obd_fail_val > 0)
- return 0;
- }
+/* 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 (obd_fail_loc & OBD_FAIL_SKIP) {
- count++;
- if (count < obd_fail_val)
- return 0;
- count = 0;
- }
+/* 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)
- /* Overridden by FAIL_ONCE */
- if (obd_fail_loc & OBD_FAIL_SOME) {
- count++;
- if (count >= obd_fail_val) {
- count = 0;
- /* Don't fail anymore */
- obd_fail_loc |= OBD_FAIL_ONCE;
- }
- }
+/* 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)
- obd_fail_loc |= OBD_FAILED;
- /* Handle old checks that OR in this */
- if (id & OBD_FAIL_ONCE)
- obd_fail_loc |= OBD_FAIL_ONCE;
- return 1;
+static inline int obd_fail_timeout_set(__u32 id, __u32 value, int secs, int set)
+{
+ int ret = 0;
+ if (unlikely(OBD_FAIL_PRECHECK(id) &&
+ (ret = __obd_fail_check_set(id, value, set)))) {
+ CERROR("obd_fail_timeout id %x sleeping for %d secs\n",
+ id, secs);
+ set_current_state(TASK_UNINTERRUPTIBLE);
+ cfs_schedule_timeout(CFS_TASK_UNINT, cfs_time_seconds(secs));
+ set_current_state(TASK_RUNNING);
+ CERROR("obd_fail_timeout id %x awake\n", id);
+ }
+ return ret;
}
-#define OBD_FAIL_CHECK(id) \
-({ \
- int _ret_ = 0; \
- if (unlikely(obd_fail_loc && (_ret_ = obd_fail_check(id)))) { \
- CERROR("*** obd_fail_loc=%x ***\n", id); \
- } \
- _ret_; \
-})
+/* If id hit obd_fail_loc, sleep secs */
+#define OBD_FAIL_TIMEOUT(id, secs) \
+ obd_fail_timeout_set(id, 0, secs, OBD_FAIL_LOC_NOSET)
-/* deprecated - just use OBD_FAIL_CHECK */
-#define OBD_FAIL_CHECK_ONCE OBD_FAIL_CHECK
-
-#define OBD_FAIL_RETURN(id, ret) \
-do { \
- if (unlikely(obd_fail_loc && obd_fail_check(id))) { \
- CERROR("*** obd_fail_return=%x rc=%d ***\n", id, ret); \
- RETURN(ret); \
- } \
-} while(0)
-
-#define OBD_FAIL_TIMEOUT(id, secs) \
-({ int _ret_ = 0; \
- if (unlikely(obd_fail_loc && (_ret_ = obd_fail_check(id)))) { \
- CERROR("obd_fail_timeout id %x sleeping for %d secs\n", \
- (id), (secs)); \
- set_current_state(TASK_UNINTERRUPTIBLE); \
- cfs_schedule_timeout(CFS_TASK_UNINT, \
- cfs_time_seconds(secs)); \
- set_current_state(TASK_RUNNING); \
- CERROR("obd_fail_timeout id %x awake\n", (id)); \
- } \
- _ret_; \
-})
-
-#define OBD_FAIL_TIMEOUT_MS(id, ms) \
-({ int _ret_ = 0; \
- if (unlikely(obd_fail_loc && (_ret_ = obd_fail_check(id)))) { \
- CERROR("obd_fail_timeout id %x sleeping for %d ms\n", \
- (id), (ms)); \
- set_current_state(TASK_UNINTERRUPTIBLE); \
- cfs_schedule_timeout(CFS_TASK_UNINT, \
- cfs_time_seconds(ms)/1000); \
- set_current_state(TASK_RUNNING); \
- CERROR("obd_fail_timeout id %x awake\n", (id)); \
- } \
- _ret_; \
-})
+/* If id hit obd_fail_loc, obd_fail_loc |= value and sleep secs */
+#define OBD_FAIL_TIMEOUT_ORSET(id, value, secs) \
+ obd_fail_timeout_set(id, value, secs, 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. */
-#define OBD_RACE(id) \
-do { \
- if (unlikely(obd_fail_loc && obd_fail_check(id))) { \
- 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 if ((obd_fail_loc & OBD_FAIL_MASK_LOC) == \
- ((id) & OBD_FAIL_MASK_LOC)) { \
- CERROR("obd_fail_race id %x waking\n", (id)); \
- obd_race_state = 1; \
- wake_up(&obd_race_waitq); \
- } \
-} while(0)
+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;
+ wake_up(&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)
extern atomic_t libcfs_kmemory;
-#ifdef LPROCFS
+#ifdef LPROCFS
#define obd_memory_add(size) \
lprocfs_counter_add(obd_memory, OBD_MEMORY_STAT, (long)(size))
#define obd_memory_sub(size) \
obd_alloc -= size;
}
-static inline void obd_pages_add(int order)
+static inline void obd_pages_add(int order)
{
obd_pages += 1<< order;
if (obd_pages > obd_max_pages)
cfs_mem_cache_free((slab), (ptr)); \
(ptr) = NULL; \
0; \
-})
+})
#define OBD_SLAB_ALLOC(ptr, slab, type, size) \
do { \
LASSERT(!in_interrupt()); \
#define OBD_SLAB_FREE_PTR(ptr, slab) \
OBD_SLAB_FREE((ptr), (slab), sizeof *(ptr))
-#define KEY_IS(str) (keylen >= strlen(str) && strncmp(key, str, keylen) == 0)
+#define KEY_IS(str) \
+ (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_FREE(ptr) OBD_PAGES_FREE(ptr, 0)
-#if defined(__linux__)
-#include <linux/obd_support.h>
-#elif defined(__APPLE__)
-#include <darwin/obd_support.h>
-#elif defined(__WINNT__)
-#include <winnt/obd_support.h>
-#else
-#error Unsupported operating system.
-#endif
-
#endif
git://git.whamcloud.com / fs / lustre-release.git / blobdiff