diff options
Diffstat (limited to 'src/H5C.c')
| -rw-r--r-- | src/H5C.c | 47 |
1 files changed, 29 insertions, 18 deletions
@@ -4062,8 +4062,7 @@ H5C_destroy_flush_dependency(void *parent_thing, void * child_thing) child_entry->flush_dep_parent_nalloc = 0; } /* end if */ else if(child_entry->flush_dep_parent_nalloc > H5C_FLUSH_DEP_PARENT_INIT - && child_entry->flush_dep_nparents - <= (child_entry->flush_dep_parent_nalloc / 4)) { + && child_entry->flush_dep_nparents <= (child_entry->flush_dep_parent_nalloc / 4)) { if(NULL == (child_entry->flush_dep_parent = (H5C_cache_entry_t **)H5FL_BLK_REALLOC(parent, child_entry->flush_dep_parent, (child_entry->flush_dep_parent_nalloc / 4) * sizeof(H5C_cache_entry_t *)))) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for flush dependency parent list") child_entry->flush_dep_parent_nalloc /= 4; @@ -6428,7 +6427,7 @@ H5C__flush_single_entry(H5F_t *f, hid_t dxpl_id, H5C_cache_entry_t *entry_ptr, HDassert(entry_ptr->flush_dep_ndirty_children == 0); if(entry_ptr->flush_dep_nparents > 0) if(H5C__mark_flush_dep_clean(entry_ptr) < 0) - HGOTO_ERROR(H5E_CACHE, H5E_CANTMARKDIRTY, FAIL, "Can't propagate flush dep clean flag") + HGOTO_ERROR(H5E_CACHE, H5E_CANTMARKCLEAN, FAIL, "Can't propagate flush dep clean flag") } /* end if */ } /* end else */ @@ -7989,7 +7988,7 @@ done: static herr_t H5C__mark_flush_dep_clean(H5C_cache_entry_t * entry) { - unsigned u; /* Local index variable */ + int i; /* Local index variable */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_STATIC @@ -7998,16 +7997,19 @@ H5C__mark_flush_dep_clean(H5C_cache_entry_t * entry) HDassert(entry); /* Iterate over the parent entries, if any */ - for(u = 0; u < entry->flush_dep_nparents; u++) { + /* Note reverse iteration order, in case the callback removes the flush + * dependency - QAK, 2017/08/12 + */ + for(i = ((int)entry->flush_dep_nparents) - 1; i >= 0; i--) { /* Sanity check */ - HDassert(entry->flush_dep_parent[u]->flush_dep_ndirty_children > 0); + HDassert(entry->flush_dep_parent[i]->flush_dep_ndirty_children > 0); /* Adjust the parent's number of dirty children */ - entry->flush_dep_parent[u]->flush_dep_ndirty_children--; + entry->flush_dep_parent[i]->flush_dep_ndirty_children--; /* If the parent has a 'notify' callback, send a 'child entry cleaned' notice */ - if(entry->flush_dep_parent[u]->type->notify && - (entry->flush_dep_parent[u]->type->notify)(H5C_NOTIFY_ACTION_CHILD_CLEANED, entry->flush_dep_parent[u]) < 0) + if(entry->flush_dep_parent[i]->type->notify && + (entry->flush_dep_parent[i]->type->notify)(H5C_NOTIFY_ACTION_CHILD_CLEANED, entry->flush_dep_parent[i]) < 0) HGOTO_ERROR(H5E_CACHE, H5E_CANTNOTIFY, FAIL, "can't notify parent about child entry dirty flag reset") } /* end for */ @@ -8033,7 +8035,7 @@ done: herr_t H5C__mark_flush_dep_serialized(H5C_cache_entry_t * entry_ptr) { - unsigned u; /* Local index variable */ + int i; /* Local index variable */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_STATIC @@ -8042,18 +8044,21 @@ H5C__mark_flush_dep_serialized(H5C_cache_entry_t * entry_ptr) HDassert(entry_ptr); /* Iterate over the parent entries, if any */ - for(u = 0; u < entry_ptr->flush_dep_nparents; u++) { - + /* Note reverse iteration order, in case the callback removes the flush + * dependency - QAK, 2017/08/12 + */ + for(i = ((int)entry_ptr->flush_dep_nparents) - 1; i >= 0; i--) { + /* Sanity checks */ HDassert(entry_ptr->flush_dep_parent); - HDassert(entry_ptr->flush_dep_parent[u]->magic == H5C__H5C_CACHE_ENTRY_T_MAGIC); - HDassert(entry_ptr->flush_dep_parent[u]->flush_dep_nunser_children > 0); + HDassert(entry_ptr->flush_dep_parent[i]->magic == H5C__H5C_CACHE_ENTRY_T_MAGIC); + HDassert(entry_ptr->flush_dep_parent[i]->flush_dep_nunser_children > 0); /* decrement the parents number of unserialized children */ - entry_ptr->flush_dep_parent[u]->flush_dep_nunser_children--; + entry_ptr->flush_dep_parent[i]->flush_dep_nunser_children--; /* If the parent has a 'notify' callback, send a 'child entry serialized' notice */ - if(entry_ptr->flush_dep_parent[u]->type->notify && - (entry_ptr->flush_dep_parent[u]->type->notify)(H5C_NOTIFY_ACTION_CHILD_SERIALIZED, entry_ptr->flush_dep_parent[u]) < 0) + if(entry_ptr->flush_dep_parent[i]->type->notify && + (entry_ptr->flush_dep_parent[i]->type->notify)(H5C_NOTIFY_ACTION_CHILD_SERIALIZED, entry_ptr->flush_dep_parent[i]) < 0) HGOTO_ERROR(H5E_CACHE, H5E_CANTNOTIFY, FAIL, "can't notify parent about child entry serialized flag set") } /* end for */ @@ -8065,7 +8070,7 @@ done: /*------------------------------------------------------------------------- * Function: H5C__mark_flush_dep_unserialized() * - * Purpose: Decrement the flush_dep_nunser_children fields of all the + * Purpose: Increment the flush_dep_nunser_children fields of all the * target entry's flush dependency parents in response to * the target entry becoming unserialized. * @@ -8872,6 +8877,12 @@ H5C_remove_entry(void *_entry) HGOTO_ERROR(H5E_CACHE, H5E_CANTREMOVE, FAIL, "can't remove protected entry from cache") if(entry->is_pinned) HGOTO_ERROR(H5E_CACHE, H5E_CANTREMOVE, FAIL, "can't remove pinned entry from cache") + /* NOTE: If these two errors are getting tripped because the entry is + * in a flush dependency with a freedspace entry, move the checks + * after the "before evict" message is sent, and add the + * "child being evicted" message to the "before evict" notify + * section below. QAK - 2017/08/03 + */ if(entry->flush_dep_nparents > 0) HGOTO_ERROR(H5E_CACHE, H5E_CANTREMOVE, FAIL, "can't remove entry with flush dependency parents from cache") if(entry->flush_dep_nchildren > 0) |