MDEV-7166: innodb.innodb-page_compression_zip fails in buildbot

Analysis: If innodb_use_trim is not enabled or system does not
support fallocate to make persistent trim, we should always
write full page not only partial pages.

Author: Jan Lindström

storage/innobase/fil/fil0pagecompress.cc

@@ -476,6 +476,23 @@ fil_compress_page(
 
 	srv_stats.page_compression_saved.add((len - write_size));
 	srv_stats.pages_page_compressed.inc();
+
+#if defined (__linux__) && (!defined(FALLOC_FL_PUNCH_HOLE) || !defined (FALLOC_FL_KEEP_SIZE))
+	if (srv_use_trim) {
+		ut_print_timestamp(stderr);
+		fprintf(stderr,
+			"  InnoDB: [Warning] System does not support FALLOC_FL_PUNCH_HOLE || FALLOC_FL_KEEP_SIZE.\n"
+			"  InnoDB: Disabling trim for now.\n");
+		srv_use_trim = FALSE;
+	}
+#endif
+
+	if (!srv_use_trim) {
+		/* If persistent trims are not used we always write full
+		page */
+		write_size = len;
+	}
+
 	*out_len = write_size;
 
 	return(out_buf);

storage/innobase/os/os0file.cc

@@ -5265,9 +5265,17 @@ os_aio_windows_handle(
 	if (ret && len == slot->len) {
 
 		ret_val = TRUE;
-	} else if (os_file_handle_error(slot->name, "Windows aio", __FILE__, __LINE__)) {
+	} else if (!ret || (len != slot->len)) {
 
-		retry = TRUE;
+		if (!ret) {
+			if (os_file_handle_error(slot->name, "Windows aio", __FILE__, __LINE__)) {
+				retry = TRUE;
+			} else {
+				ret_val = FALSE;
+			}
+		} else {
+			retry = TRUE;
+		}
 	} else {
 
 		ret_val = FALSE;
@@ -6395,6 +6403,7 @@ os_file_trim(
 	if (ret) {
 		/* After first failure do not try to trim again */
 		os_fallocate_failed = TRUE;
+		srv_use_trim = FALSE;
 		ut_print_timestamp(stderr);
 		fprintf(stderr,
 			"  InnoDB: [Warning] fallocate call failed with error code %d.\n"
@@ -6421,6 +6430,7 @@ os_file_trim(
 		"  InnoDB: [Warning] fallocate not supported on this installation."
 		"  InnoDB: Disabling fallocate for now.");
 	os_fallocate_failed = TRUE;
+	srv_use_trim = FALSE;
 	if (slot->write_size) {
 		*slot->write_size = 0;
 	}
@@ -6440,6 +6450,7 @@ os_file_trim(
 	if (!ret) {
 		/* After first failure do not try to trim again */
 		os_fallocate_failed = TRUE;
+		srv_use_trim=FALSE;
 		ut_print_timestamp(stderr);
 		fprintf(stderr,
 			"  InnoDB: [Warning] fallocate call failed with error.\n"

storage/xtradb/fil/fil0pagecompress.cc

@@ -473,6 +473,23 @@ fil_compress_page(
 
 	srv_stats.page_compression_saved.add((len - write_size));
 	srv_stats.pages_page_compressed.inc();
+
+#if defined (__linux__) && (!defined(FALLOC_FL_PUNCH_HOLE) || !defined (FALLOC_FL_KEEP_SIZE))
+	if (srv_use_trim) {
+		ut_print_timestamp(stderr);
+		fprintf(stderr,
+			"  InnoDB: [Warning] System does not support FALLOC_FL_PUNCH_HOLE || FALLOC_FL_KEEP_SIZE.\n"
+			"  InnoDB: Disabling trim for now.\n");
+		srv_use_trim = FALSE;
+	}
+#endif
+
+	if (!srv_use_trim) {
+		/* If persistent trims are not used we always write full
+		page */
+		write_size = len;
+	}
+
 	*out_len = write_size;
 
 	return(out_buf);

storage/xtradb/os/os0file.cc

@@ -6498,6 +6498,7 @@ os_file_trim(
 	if (ret) {
 		/* After first failure do not try to trim again */
 		os_fallocate_failed = TRUE;
+		srv_use_trim = FALSE;
 		ut_print_timestamp(stderr);
 		fprintf(stderr,
 			"  InnoDB: [Warning] fallocate call failed with error code %d.\n"
@@ -6524,6 +6525,7 @@ os_file_trim(
 		"  InnoDB: [Warning] fallocate not supported on this installation."
 		"  InnoDB: Disabling fallocate for now.");
 	os_fallocate_failed = TRUE;
+	srv_use_trim = FALSE;
 	if (slot->write_size) {
 		*slot->write_size = 0;
 	}
@@ -6543,6 +6545,7 @@ os_file_trim(
 	if (!ret) {
 		/* After first failure do not try to trim again */
 		os_fallocate_failed = TRUE;
+		srv_use_trim = FALSE;
 		ut_print_timestamp(stderr);
 		fprintf(stderr,
 			"  InnoDB: [Warning] fallocate call failed with error.\n"