Use common macro for get_sqe

src/blockstore_rollback.cpp

@@ -126,11 +126,8 @@ resume_2:
 resume_3:
     if (!disable_journal_fsync)
     {
-        io_uring_sqe *sqe = get_sqe();
-        if (!sqe)
-        {
-            return 0;
-        }
+        io_uring_sqe *sqe;
+        BS_SUBMIT_GET_SQE_DECL(sqe);
         ring_data_t *data = ((ring_data_t*)sqe->user_data);
         my_uring_prep_fsync(sqe, journal.fd, IORING_FSYNC_DATASYNC);
         data->iov = { 0 };

src/blockstore_stable.cpp

@@ -150,11 +150,8 @@ resume_2:
 resume_3:
     if (!disable_journal_fsync)
     {
-        io_uring_sqe *sqe = get_sqe();
-        if (!sqe)
-        {
-            return 0;
-        }
+        io_uring_sqe *sqe;
+        BS_SUBMIT_GET_SQE_DECL(sqe);
         ring_data_t *data = ((ring_data_t*)sqe->user_data);
         my_uring_prep_fsync(sqe, journal.fd, IORING_FSYNC_DATASYNC);
         data->iov = { 0 };

src/blockstore_write.cpp

@@ -401,11 +401,7 @@ int blockstore_impl_t::continue_write(blockstore_op_t *op)
         goto resume_4;
 resume_2:
     // Only for the immediate_commit mode: prepare and submit big_write journal entry
-    sqe = get_sqe();
-    if (!sqe)
-    {
-        return 0;
-    }
+    BS_SUBMIT_GET_SQE_DECL(sqe);
     je = (journal_entry_big_write*)prefill_single_journal_entry(
         journal, op->opcode == BS_OP_WRITE_STABLE ? JE_BIG_WRITE_INSTANT : JE_BIG_WRITE,
         sizeof(journal_entry_big_write)