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LU-5409 obd: add CFS_FAULT_CHECK()
[fs/lustre-release.git] / lustre / include / obd_support.h
index db75316..05860bb 100644 (file)
@@ -72,9 +72,7 @@ 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 int obd_alloc_fail_rate;
@@ -242,6 +240,11 @@ int obd_alloc_fail(const void *ptr, const char *name, const char *type,
 #define OBD_FAIL_MDS_SWAP_LAYOUTS_NET          0x14f
 #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
@@ -312,6 +315,7 @@ int obd_alloc_fail(const void *ptr, const char *name, const char *type,
 #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
@@ -343,6 +347,11 @@ int obd_alloc_fail(const void *ptr, const char *name, const char *type,
 #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
@@ -414,6 +423,7 @@ int obd_alloc_fail(const void *ptr, const char *name, const char *type,
 #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_MDC_REVALIDATE_PAUSE    0x800
 #define OBD_FAIL_MDC_ENQUEUE_PAUSE       0x801
@@ -497,11 +507,63 @@ int obd_alloc_fail(const void *ptr, const char *name, const char *type,
 #define OBD_FAIL_LFSCK_CRASH           0x160a
 #define OBD_FAIL_LFSCK_NO_AUTO         0x160b
 #define OBD_FAIL_LFSCK_NO_DOUBLESCAN   0x160c
+#define OBD_FAIL_LFSCK_SKIP_LASTID     0x160d
+#define OBD_FAIL_LFSCK_DELAY4          0x160e
+#define OBD_FAIL_LFSCK_BAD_LMMOI       0x160f
+#define OBD_FAIL_LFSCK_DANGLING        0x1610
+#define OBD_FAIL_LFSCK_UNMATCHED_PAIR1 0x1611
+#define OBD_FAIL_LFSCK_UNMATCHED_PAIR2 0x1612
+#define OBD_FAIL_LFSCK_BAD_OWNER       0x1613
+#define OBD_FAIL_LFSCK_MULTIPLE_REF    0x1614
+#define OBD_FAIL_LFSCK_LOST_STRIPE     0x1615
+#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_NOTIFY_NET      0x16f0
+#define OBD_FAIL_LFSCK_QUERY_NET       0x16f1
 
 /* UPDATE */
-#define OBD_FAIL_UPDATE_OBJ_NET                        0x1700
-#define OBD_FAIL_UPDATE_OBJ_NET_REP            0x1701
-
+#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)
@@ -654,8 +716,8 @@ do {                                                                              \
 #define OBD_ALLOC_GFP(ptr, size, gfp_mask)                                   \
        __OBD_MALLOC_VERBOSE(ptr, NULL, 0, size, gfp_mask)
 
-#define OBD_ALLOC(ptr, size) OBD_ALLOC_GFP(ptr, size, __GFP_IO)
-#define OBD_ALLOC_WAIT(ptr, size) OBD_ALLOC_GFP(ptr, size, GFP_IOFS)
+#define OBD_ALLOC(ptr, size) OBD_ALLOC_GFP(ptr, size, GFP_NOFS)
+#define OBD_ALLOC_WAIT(ptr, size) OBD_ALLOC_GFP(ptr, size, GFP_KERNEL)
 #define OBD_ALLOC_PTR(ptr) OBD_ALLOC(ptr, sizeof *(ptr))
 #define OBD_ALLOC_PTR_WAIT(ptr) OBD_ALLOC_WAIT(ptr, sizeof *(ptr))
 
@@ -663,31 +725,35 @@ do {                                                                            \
        __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, gfp_mask)
 
 #define OBD_CPT_ALLOC(ptr, cptab, cpt, size)                                 \
-       OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, __GFP_IO)
+       OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, GFP_NOFS)
 
 #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)
+        __OBD_VMALLOC_VERBOSE(ptr, NULL, 0, size)
 # define OBD_CPT_VMALLOC(ptr, cptab, cpt, size)                                      \
-        __OBD_VMALLOC_VEROBSE(ptr, cptab, cpt, size)
+        __OBD_VMALLOC_VERBOSE(ptr, cptab, cpt, size)
 
 #ifdef __KERNEL__
 
@@ -822,10 +888,10 @@ do {                                                                          \
 } while(0)
 
 #define OBD_SLAB_ALLOC(ptr, slab, size)                                              \
-       OBD_SLAB_ALLOC_GFP(ptr, slab, size, __GFP_IO)
+       OBD_SLAB_ALLOC_GFP(ptr, slab, size, GFP_NOFS)
 
 #define OBD_SLAB_CPT_ALLOC(ptr, slab, cptab, cpt, size)                              \
-       OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, size, __GFP_IO)
+       OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, size, GFP_NOFS)
 
 #define OBD_SLAB_ALLOC_PTR(ptr, slab)                                        \
        OBD_SLAB_ALLOC(ptr, slab, sizeof *(ptr))