+// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2011 Oracle. All rights reserved.
* Copyright (C) 2011 Red Hat. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public
- * License v2 as published by the Free Software Foundation.
- *
- * 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., 59 Temple Place - Suite 330,
- * Boston, MA 021110-1307, USA.
*/
#define _XOPEN_SOURCE 500
#include <unistd.h>
#include <stdlib.h>
#include <assert.h>
+#include "global.h"
#ifndef SEEK_DATA
#define SEEK_DATA 3
#endif
static blksize_t alloc_size;
+int allow_default_behavior = 1;
int default_behavior = 0;
int unwritten_extents = 0;
+int punch_hole = 0;
char *base_file_path;
static void get_file_system(int fd)
ret = fallocate(fd, mode, offset, length);
if (ret)
- fprintf(stderr, " ERROR %d: Failed to preallocate "
- "space to %ld bytes\n", errno, (long) length);
+ fprintf(stderr, " ERROR %d: Failed to %s of %ld bytes\n",
+ errno, (mode & FALLOC_FL_PUNCH_HOLE) ? "punch hole" :
+ "preallocate space", (long) length);
return ret;
}
return ret;
}
+/*
+ * Make sure hole size is properly reported when punched in the middle of a file
+ */
+static int test21(int fd, int testnum)
+{
+ char *buf = NULL;
+ int bufsz, filsz;
+ int ret = 0;
+
+ if (!punch_hole) {
+ fprintf(stdout, "Test skipped as fs doesn't support punch hole.\n");
+ goto out;
+ }
+
+ if (default_behavior) {
+ fprintf(stdout, "Test skipped as fs doesn't support seeking a punched hole.\n");
+ goto out;
+ }
+
+ bufsz = alloc_size * 3;
+ buf = do_malloc(bufsz);
+ if (!buf) {
+ ret = -1;
+ goto out;
+ }
+ memset(buf, 'a', bufsz);
+
+ ret = do_pwrite(fd, buf, bufsz, 0);
+ if (ret)
+ goto out;
+
+ filsz = bufsz;
+ ret = do_fallocate(fd, alloc_size, alloc_size,
+ FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE);
+ if (ret < 0)
+ goto out;
+
+ ret += do_lseek(testnum, 1, fd, filsz, SEEK_DATA, 0, 0);
+ ret += do_lseek(testnum, 2, fd, filsz, SEEK_HOLE, 0, alloc_size);
+ ret += do_lseek(testnum, 3, fd, filsz, SEEK_DATA, alloc_size, alloc_size * 2);
+out:
+ if (buf)
+ free(buf);
+ return ret;
+}
+
/*
* Make sure hole size is properly reported when starting in the middle of a
* hole in ext? doubly indirect tree
/* Magic size in the middle of ext[23] triple indirect tree */
filsz = (12 + bufsz / 4 + 8 * bufsz / 4 * bufsz / 4 + 2 * bufsz / 4 + 5) * bufsz;
ret = do_pwrite(fd, buf, bufsz, filsz - bufsz);
- if (ret)
+ if (ret) {
+ /*
+ * Report success. Filesystem just cannot handle so large
+ * offsets and correctly reports it.
+ */
+ if (errno == EFBIG) {
+ fprintf(stdout, "Test skipped as fs doesn't support so large files.\n");
+ ret = 0;
+ }
goto out;
+ }
/* Offset inside ext[23] indirect block */
ret += do_lseek(testnum, 1, fd, filsz, SEEK_DATA, 14 * bufsz, filsz - bufsz);
{ 18, test18, "Test file with negative SEEK_{HOLE,DATA} offsets" },
{ 19, test19, "Test file SEEK_DATA from middle of a large hole" },
{ 20, test20, "Test file SEEK_DATA from middle of a huge hole" },
+ { 21, test21, "Test file SEEK_HOLE that was created by PUNCH_HOLE" },
};
static int run_test(struct testrec *tr)
fprintf(stderr, "File system supports the default behavior.\n");
}
+ if (default_behavior && !allow_default_behavior) {
+ fprintf(stderr, "Default behavior is not allowed. Aborting.\n");
+ ret = -1;
+ goto out;
+ }
+
ftruncate(fd, 0);
- if (fallocate(fd, 0, 0, alloc_size) == -1) {
+ if (fallocate(fd, 0, 0, alloc_size * 2) == -1) {
if (errno == EOPNOTSUPP)
- fprintf(stderr, "File system does not support fallocate.");
+ fprintf(stderr, "File system does not support fallocate.\n");
else {
fprintf(stderr, "ERROR %d: Failed to preallocate "
"space to %ld bytes. Aborting.\n", errno, (long) alloc_size);
ret = -1;
}
goto out;
+ } else if (fallocate(fd, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE,
+ 0, alloc_size) == -1) {
+ fprintf(stderr, "File system does not support punch hole.\n");
+ } else {
+ punch_hole = 1;
}
pos = lseek(fd, 0, SEEK_DATA);
void usage(char *cmd)
{
- fprintf(stdout, "Usage: %s [-t] [-s <starttest>] [-e <endtest>] base_file_path\n", cmd);
+ fprintf(stdout, "Usage: %s [-tf] [-s <starttest>] [-e <endtest>] base_file_path\n", cmd);
exit(1);
}
teststart = 1;
testend = 12;
- while ((opt = getopt(argc, argv, "ts:e:")) != -1) {
+ while ((opt = getopt(argc, argv, "tfs:e:")) != -1) {
switch (opt) {
case 't':
check_support++;
break;
+ case 'f':
+ allow_default_behavior = 0;
+ break;
case 's':
teststart = strtol(optarg, NULL, 10);
if (teststart <= 0 || teststart > numtests) {
projects / xfstests-dev.git / blobdiff