[LTP] [PATCH 1/3] ltp-aiodio: Remove unused common_sparse.h

Andrea Cervesato andrea.cervesato@suse.de
Wed Oct 7 16:00:45 CEST 2026


From: Andrea Cervesato <andrea.cervesato@suse.com>

The common_sparse.h header has been unused since aiodio_sparse and
dio_sparse were refactored to the new LTP API. Remove it.

Signed-off-by: Andrea Cervesato <andrea.cervesato@suse.com>
---
 testcases/kernel/io/ltp-aiodio/common_sparse.h | 129 -------------------------
 1 file changed, 129 deletions(-)

diff --git a/testcases/kernel/io/ltp-aiodio/common_sparse.h b/testcases/kernel/io/ltp-aiodio/common_sparse.h
deleted file mode 100644
index 3819e00a6..000000000
--- a/testcases/kernel/io/ltp-aiodio/common_sparse.h
+++ /dev/null
@@ -1,129 +0,0 @@
-/*
- * Copyright (c) 2011 Cyril Hrubis <chrubis@suse.cz>
- *
- *   This program is free software;  you can redistribute it and/or modify
- *   it under the terms of the GNU General Public License as published by
- *   the Free Software Foundation; either version 2 of the License, or
- *   (at your option) any later version.
- *
- *   This program is distributed in the hope that it will be useful,
- *   but WITHOUT ANY WARRANTY;  without even the implied warranty of
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
- *   the GNU General Public License for more details.
- *
- *   You should have received a copy of the GNU General Public License
- *   along with this program;  if not, write to the Free Software
- *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#ifndef LTP_AIODIO_COMMON_SPARSE
-#define LTP_AIODIO_COMMON_SPARSE
-
-#include "common_checkzero.h"
-
-/*
- * This code tries to create dirty free blocks on
- * the HDD so there is a chance that blocks to be allocated
- * for a file are filled with something else than zeroes.
- *
- * The usefulness of this is IMHO questionable.
- */
-static void dirty_freeblocks(int size)
-{
-	int fd;
-	void *p;
-	int pg;
-	char *filename = "dirty_freeblocks";
-
-	pg = getpagesize();
-	size = ((size + pg - 1) / pg) * pg;
-
-	fd = open(filename, O_CREAT|O_RDWR|O_EXCL, 0600);
-
-	if (fd < 0)
-		tst_brkm(TBROK|TERRNO, cleanup, "failed to open '%s'", filename);
-
-	SAFE_FTRUNCATE(cleanup, fd, size);
-
-	p = SAFE_MMAP(cleanup, NULL, size, PROT_WRITE|PROT_READ, MAP_SHARED|MAP_FILE, fd, 0);
-
-	memset(p, 0xaa, size);
-	msync(p, size, MS_SYNC);
-	munmap(p, size);
-	close(fd);
-	unlink(filename);
-}
-
-/*
- * Scale value by kilo, mega, or giga.
- */
-long long scale_by_kmg(long long value, char scale)
-{
-	switch (scale) {
-	case 'g':
-	case 'G':
-		value *= 1024;
-	case 'm':
-	case 'M':
-		value *= 1024;
-	case 'k':
-	case 'K':
-		value *= 1024;
-		break;
-	case '\0':
-		break;
-	default:
-		usage();
-		break;
-	}
-	return value;
-}
-
-/*
- * Make sure we read only zeroes,
- * either there is a hole in the file,
- * or zeroes were actually written by parent.
- */
-static void read_sparse(char *filename, int filesize)
-{
-	int fd;
-	int  i, j, r;
-	char buf[4096];
-
-	fd = open(filename, O_RDONLY);
-	if (fd == -1) {
-		if (debug)
-			fprintf(stderr, "Child %i failed to open '%s'\n",
-			        getpid(), filename);
-		exit(10);
-	}
-
-	if (debug)
-		fprintf(stderr, "Child %i has opened '%s' for reading\n",
-		        getpid(), filename);
-
-	for (i = 0; i < 100000000; i++) {
-		off_t offset = 0;
-		char *badbuf;
-
-		if (debug)
-			fprintf(stderr, "Child %i loop %i\n", getpid(), i);
-
-		lseek(fd, SEEK_SET, 0);
-		for (j = 0; j < filesize+1; j += sizeof(buf)) {
-			r = read(fd, buf, sizeof(buf));
-			if (r > 0) {
-				if ((badbuf = check_zero(buf, r))) {
-					fprintf(stderr, "non-zero read at offset %u\n",
-						(unsigned int)(offset + badbuf - buf));
-					exit(10);
-				}
-			}
-			offset += r;
-		}
-	}
-
-	exit(0);
-}
-
-#endif /* LTP_AIODIO_COMMON_SPARSE */

-- 
2.51.0



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