forked from vitalif/vitastor
Sync unsynced deletes before overwriting them with a lower version
parent
59e959dcbb
commit
4bfd994341
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@ -6,7 +6,7 @@
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bool blockstore_impl_t::enqueue_write(blockstore_op_t *op)
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{
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// Check or assign version number
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bool found = false, deleted = false, is_del = (op->opcode == BS_OP_DELETE);
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bool found = false, deleted = false, unsynced = false, is_del = (op->opcode == BS_OP_DELETE);
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bool wait_big = false, wait_del = false;
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void *bmp = NULL;
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uint64_t version = 1;
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@ -26,6 +26,7 @@ bool blockstore_impl_t::enqueue_write(blockstore_op_t *op)
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found = true;
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version = dirty_it->first.version + 1;
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deleted = IS_DELETE(dirty_it->second.state);
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unsynced = !IS_SYNCED(dirty_it->second.state);
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wait_del = ((dirty_it->second.state & BS_ST_WORKFLOW_MASK) == BS_ST_WAIT_DEL);
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wait_big = (dirty_it->second.state & BS_ST_TYPE_MASK) == BS_ST_BIG_WRITE
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? !IS_SYNCED(dirty_it->second.state)
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@ -81,10 +82,28 @@ bool blockstore_impl_t::enqueue_write(blockstore_op_t *op)
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wait_del = true;
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PRIV(op)->real_version = op->version;
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op->version = version;
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flusher->unshift_flush((obj_ver_id){
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.oid = op->oid,
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.version = version-1,
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}, true);
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if (unsynced)
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{
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// Issue an additional sync so the delete reaches the journal
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blockstore_op_t *sync_op = new blockstore_op_t;
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sync_op->opcode = BS_OP_SYNC;
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sync_op->callback = [this, op](blockstore_op_t *sync_op)
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{
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flusher->unshift_flush((obj_ver_id){
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.oid = op->oid,
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.version = op->version-1,
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}, true);
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delete sync_op;
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};
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enqueue_op(sync_op);
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}
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else
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{
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flusher->unshift_flush((obj_ver_id){
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.oid = op->oid,
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.version = version-1,
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}, true);
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}
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}
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else
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{
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