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tear out old meta evaluation code; robustify filesystem streaming async reads

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This commit is contained in:
Ryan Fleury
2025-02-10 14:12:44 -08:00
parent d48cd460d1
commit 3b19334075
7 changed files with 183 additions and 617 deletions
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src/file_stream/file_stream.c
+8 -20
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@@ -328,8 +328,11 @@ ASYNC_WORK_DEF(fs_stream_work)
os_file_close(file);
FileProperties post_props = os_properties_from_file_path(path);
//- rjf: abort if modification timestamps differ - we did not successfully read the file
if(pre_props.modified != post_props.modified)
//- rjf: abort if modification timestamps or sizes differ - we did not successfully read the file
B32 read_good = (pre_props.modified == post_props.modified &&
pre_props.size == post_props.size &&
read_size == data.size);
if(!read_good)
{
ProfScope("abort")
{
@@ -360,29 +363,14 @@ ASYNC_WORK_DEF(fs_stream_work)
break;
}
}
if(node != 0)
if(node != 0 && read_good)
{
if(node->timestamp != 0)
{
ins_atomic_u64_inc_eval(&fs_shared->change_gen);
}
if(post_props.modified == pre_props.modified)
{
node->timestamp = post_props.modified;
node->size = post_props.size;
}
U64 range_hash = fs_little_hash_from_string(str8_struct(&range));
U64 range_slot_idx = range_hash%node->slots_count;
FS_RangeSlot *range_slot = &node->slots[range_slot_idx];
FS_RangeNode *range_node = 0;
for(FS_RangeNode *n = range_slot->first; n != 0; n = n->next)
{
if(MemoryMatchStruct(&n->range, &range))
{
range_node = n;
break;
}
}
node->timestamp = post_props.modified;
node->size = post_props.size;
}
}
os_condition_variable_broadcast(path_stripe->cv);