#ifndef _OBD_SUPPORT
#define _OBD_SUPPORT
+#ifndef __KERNEL__
+# error Userspace should not include obd_support.h.
+#endif /* !__KERNEL__ */
+
+#include <linux/atomic.h>
+#include <linux/highmem.h>
+#include <linux/slab.h>
+#include <linux/types.h>
+
#include <libcfs/libcfs.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
+#include <lustre_handles.h>
/* global variables */
extern struct lprocfs_stats *obd_memory;
extern unsigned int ldlm_timeout; /* seconds */
extern unsigned int obd_timeout_set;
extern unsigned int ldlm_timeout_set;
+extern unsigned int bulk_timeout;
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_unstable_pages;
-extern atomic_t obd_dirty_pages;
-extern atomic_t obd_dirty_transit_pages;
+extern unsigned long obd_max_dirty_pages;
+extern atomic_long_t obd_dirty_pages;
+extern atomic_long_t obd_dirty_transit_pages;
extern unsigned int obd_alloc_fail_rate;
extern char obd_jobid_var[];
#define OBD_FAIL_MDS_HSM_ACTION_NET 0x150
#define OBD_FAIL_MDS_CHANGELOG_INIT 0x151
#define OBD_FAIL_MDS_HSM_SWAP_LAYOUTS 0x152
+#define OBD_FAIL_MDS_RENAME 0x153
+#define OBD_FAIL_MDS_RENAME2 0x154
+#define OBD_FAIL_MDS_RENAME3 0x155
+#define OBD_FAIL_MDS_RENAME4 0x156
/* layout lock */
#define OBD_FAIL_MDS_NO_LL_GETATTR 0x170
#define OBD_FAIL_OST_DQACQ_NET 0x230
#define OBD_FAIL_OST_STATFS_EINPROGRESS 0x231
#define OBD_FAIL_OST_SET_INFO_NET 0x232
+#define OBD_FAIL_OST_NODESTROY 0x233
#define OBD_FAIL_LDLM 0x300
#define OBD_FAIL_LDLM_NAMESPACE_NEW 0x301
#define OBD_FAIL_LDLM_AGL_NOLOCK 0x31b
#define OBD_FAIL_LDLM_OST_LVB 0x31c
#define OBD_FAIL_LDLM_ENQUEUE_HANG 0x31d
+#define OBD_FAIL_LDLM_PAUSE_CANCEL2 0x31f
+#define OBD_FAIL_LDLM_CP_CB_WAIT2 0x320
+#define OBD_FAIL_LDLM_CP_CB_WAIT3 0x321
+#define OBD_FAIL_LDLM_CP_CB_WAIT4 0x322
+#define OBD_FAIL_LDLM_CP_CB_WAIT5 0x323
/* LOCKLESS IO */
#define OBD_FAIL_LDLM_SET_CONTENTION 0x385
#define OBD_FAIL_TGT_LAST_REPLAY 0x710
#define OBD_FAIL_TGT_CLIENT_ADD 0x711
#define OBD_FAIL_TGT_RCVG_FLAG 0x712
+#define OBD_FAIL_TGT_DELAY_CONDITIONAL 0x713
+#define OBD_FAIL_TGT_REPLAY_DELAY2 0x714
+#define OBD_FAIL_TGT_REPLAY_RECONNECT 0x715
#define OBD_FAIL_MDC_REVALIDATE_PAUSE 0x800
#define OBD_FAIL_MDC_ENQUEUE_PAUSE 0x801
#define OBD_FAIL_LFSCK_LOST_MDTOBJ 0x1616
#define OBD_FAIL_LFSCK_NOPFID 0x1617
#define OBD_FAIL_LFSCK_CHANGE_STRIPE 0x1618
+#define OBD_FAIL_LFSCK_INVALID_PFID 0x1619
+#define OBD_FAIL_LFSCK_LOST_SPEOBJ 0x161a
+#define OBD_FAIL_LFSCK_DELAY5 0x161b
+#define OBD_FAIL_LFSCK_BAD_NETWORK 0x161c
+#define OBD_FAIL_LFSCK_NO_LINKEA 0x161d
+#define OBD_FAIL_LFSCK_BAD_PARENT 0x161e
+#define OBD_FAIL_LFSCK_DANGLING2 0x1620
+#define OBD_FAIL_LFSCK_DANGLING3 0x1621
+#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_NOTIFY_NET 0x16f0
#define OBD_FAIL_LFSCK_QUERY_NET 0x16f1
#define OBD_FAIL_OUT_UPDATE_NET 0x1700
#define OBD_FAIL_OUT_UPDATE_NET_REP 0x1701
+/* MIGRATE */
+#define OBD_FAIL_MIGRATE_NET_REP 0x1800
+#define OBD_FAIL_MIGRATE_ENTRIES 0x1801
+#define OBD_FAIL_MIGRATE_LINKEA 0x1802
+
+/* LMV */
+#define OBD_FAIL_UNKNOWN_LMV_STRIPE 0x1901
+
+/* DT */
+#define OBD_FAIL_DT_DECLARE_ATTR_GET 0x2000
+#define OBD_FAIL_DT_ATTR_GET 0x2001
+#define OBD_FAIL_DT_DECLARE_ATTR_SET 0x2002
+#define OBD_FAIL_DT_ATTR_SET 0x2003
+#define OBD_FAIL_DT_DECLARE_XATTR_GET 0x2004
+#define OBD_FAIL_DT_XATTR_GET 0x2005
+#define OBD_FAIL_DT_DECLARE_XATTR_SET 0x2006
+#define OBD_FAIL_DT_XATTR_SET 0x2007
+#define OBD_FAIL_DT_DECLARE_XATTR_DEL 0x2008
+#define OBD_FAIL_DT_XATTR_DEL 0x2009
+#define OBD_FAIL_DT_XATTR_LIST 0x200a
+#define OBD_FAIL_DT_DECLARE_CREATE 0x200b
+#define OBD_FAIL_DT_CREATE 0x200c
+#define OBD_FAIL_DT_DECLARE_DESTROY 0x200d
+#define OBD_FAIL_DT_DESTROY 0x200e
+#define OBD_FAIL_DT_INDEX_TRY 0x200f
+#define OBD_FAIL_DT_DECLARE_REF_ADD 0x2010
+#define OBD_FAIL_DT_REF_ADD 0x2011
+#define OBD_FAIL_DT_DECLARE_REF_DEL 0x2012
+#define OBD_FAIL_DT_REF_DEL 0x2013
+#define OBD_FAIL_DT_DECLARE_INSERT 0x2014
+#define OBD_FAIL_DT_INSERT 0x2015
+#define OBD_FAIL_DT_DECLARE_DELETE 0x2016
+#define OBD_FAIL_DT_DELETE 0x2017
+#define OBD_FAIL_DT_LOOKUP 0x2018
/* Assign references to moved code to reduce code changes */
#define OBD_FAIL_PRECHECK(id) CFS_FAIL_PRECHECK(id)
extern __u64 obd_memory_max(void);
extern __u64 obd_pages_max(void);
-#else
+#else /* LPROCFS */
extern __u64 obd_alloc;
extern __u64 obd_pages;
#define obd_memory_max() (obd_max_alloc)
#define obd_pages_max() (obd_max_pages)
-#endif
+#endif /* !LPROCFS */
#define OBD_DEBUG_MEMUSAGE (1)
#define OBD_ALLOC_FAIL_MASK ((1 << OBD_ALLOC_FAIL_BITS) - 1)
#define OBD_ALLOC_FAIL_MULT (OBD_ALLOC_FAIL_MASK / 100)
-#if defined(LUSTRE_UTILS) /* this version is for utils only */
-#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 (unlikely((ptr) == NULL)) { \
- CERROR("kmalloc of '" #ptr "' (%d bytes) failed at %s:%d\n", \
- (int)(size), __FILE__, __LINE__); \
- } else { \
- CDEBUG(D_MALLOC, "kmalloced '" #ptr "': %d at %p\n", \
- (int)(size), ptr); \
- } \
-} while (0)
-
-#else /* this version is for the kernel and liblustre */
#define OBD_FREE_RTN0(ptr) \
({ \
kfree(ptr); \
OBD_ALLOC_POST(ptr, size, "kmalloced"); \
} \
} while (0)
-#endif
#define OBD_ALLOC_GFP(ptr, size, gfp_mask) \
__OBD_MALLOC_VERBOSE(ptr, NULL, 0, size, gfp_mask)
#define OBD_CPT_ALLOC_PTR(ptr, cptab, cpt) \
OBD_CPT_ALLOC(ptr, cptab, cpt, sizeof *(ptr))
-# define __OBD_VMALLOC_VEROBSE(ptr, cptab, cpt, size) \
+/* Direct use of __vmalloc() allows for protection flag specification
+ * (and particularly to not set __GFP_FS, which is likely to cause some
+ * deadlock situations in our code).
+ */
+#define __OBD_VMALLOC_VERBOSE(ptr, cptab, cpt, size) \
do { \
(ptr) = cptab == NULL ? \
- vmalloc(size) : \
- cfs_cpt_vmalloc(cptab, cpt, size); \
+ __vmalloc(size, GFP_NOFS | __GFP_HIGHMEM | __GFP_ZERO, \
+ PAGE_KERNEL) : \
+ cfs_cpt_vzalloc(cptab, cpt, size); \
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", \
obd_memory_sum(), atomic_read(&libcfs_kmemory)); \
} else { \
- memset(ptr, 0, size); \
OBD_ALLOC_POST(ptr, size, "vmalloced"); \
} \
} while(0)
-# define OBD_VMALLOC(ptr, size) \
- __OBD_VMALLOC_VEROBSE(ptr, NULL, 0, size)
-# define OBD_CPT_VMALLOC(ptr, cptab, cpt, size) \
- __OBD_VMALLOC_VEROBSE(ptr, cptab, cpt, size)
-
-#ifdef __KERNEL__
+#define OBD_VMALLOC(ptr, size) \
+ __OBD_VMALLOC_VERBOSE(ptr, NULL, 0, size)
+#define OBD_CPT_VMALLOC(ptr, cptab, cpt, size) \
+ __OBD_VMALLOC_VERBOSE(ptr, cptab, cpt, size)
/* Allocations above this size are considered too big and could not be done
* atomically.
OBD_FREE(ptr, size); \
} while (0)
-#else /* !__KERNEL__ */
-
-#define OBD_ALLOC_LARGE(ptr, size) \
- OBD_ALLOC(ptr, size)
-#define OBD_CPT_ALLOC_LARGE(ptr, cptab, cpt, size) \
- OBD_ALLOC(ptr, size)
-#define OBD_FREE_LARGE(ptr, size) \
- OBD_FREE(ptr, size)
-
-#endif /* __KERNEL__ */
-
#ifdef CONFIG_DEBUG_SLAB
#define POISON(ptr, c, s) do {} while (0)
#define POISON_PTR(ptr) ((void)0)
#define POISON_PAGE(page, val) do { } while (0)
#endif
-#ifdef __KERNEL__
#define OBD_FREE(ptr, size) \
do { \
OBD_FREE_PRE(ptr, size, "kfreed"); \
POISON_PTR(ptr); \
} while(0)
-#else
-#define OBD_FREE(ptr, size) ((void)(size), free((ptr)))
-#define OBD_FREE_RCU(ptr, size, handle) (OBD_FREE(ptr, size))
-#endif /* ifdef __KERNEL__ */
-
#define OBD_VFREE(ptr, size) \
do { \
OBD_FREE_PRE(ptr, size, "vfreed"); \