Test for detecting unwritten extent related corruption reading+writing under swap.
authorfsgqa <fsgqa>
Thu, 5 Feb 2004 03:02:12 +0000 (03:02 +0000)
committerfsgqa <fsgqa>
Thu, 5 Feb 2004 03:02:12 +0000 (03:02 +0000)
084 [new file with mode: 0755]
084.out [new file with mode: 0644]
group
src/Makefile
src/resvtest.c [new file with mode: 0644]

diff --git a/084 b/084
new file mode 100755 (executable)
index 0000000..8a9c28d
--- /dev/null
+++ b/084
@@ -0,0 +1,81 @@
+#! /bin/sh
+# XFS QA Test No. 084
+#
+# Exercises unwritten extent reads and writes, looking
+# for data corruption (zeroes read) near the end of file.
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2000-2004 Silicon Graphics, Inc.  All Rights Reserved.
+# 
+# This program is free software; you can redistribute it and/or modify it
+# under the terms of version 2 of the GNU General Public License as
+# published by the Free Software Foundation.
+# 
+# This program is distributed in the hope that it would be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# 
+# Further, this software is distributed without any warranty that it is
+# free of the rightful claim of any third person regarding infringement
+# or the like.  Any license provided herein, whether implied or
+# otherwise, applies only to this software file.  Patent licenses, if
+# any, provided herein do not apply to combinations of this program with
+# other software, or any other product whatsoever.
+# 
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write the Free Software Foundation, Inc., 59
+# Temple Place - Suite 330, Boston MA 02111-1307, USA.
+# 
+# Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
+# Mountain View, CA  94043, or:
+# 
+# http://www.sgi.com 
+# 
+# For further information regarding this notice, see: 
+# 
+# http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
+#-----------------------------------------------------------------------
+#
+# creator
+owner=nathans@sgi.com
+
+seq=`basename $0`
+echo "QA output created by $seq"
+
+here=`pwd`
+tmp=/tmp/$$
+status=1       # failure is the default!
+trap "rm -f $tmp.*; exit \$status" 0 1 2 3 15
+
+# get standard environment, filters and checks
+. ./common.rc
+. ./common.filter
+
+_filter_resv()
+{
+       sed -e "s,$TEST_DIR/resv,[TESTFILE],g"
+}
+
+pgsize=`$here/src/feature -p`
+
+# -i == number of iterations
+# -l == bytes to leak on each iteration
+# -b == read/write block size
+# -s == preallocation size
+
+# real QA test starts here
+echo
+echo "*** First case - I/O blocksize same as pagesize"
+$here/src/resvtest -i 20 -b $pgsize "$TEST_DIR/resv" | _filter_resv
+[ $? -eq 0 ] && echo done
+rm -f "$TEST_DIR/mumble"
+
+echo
+echo "*** Second case - 512 byte I/O blocksize"
+$here/src/resvtest -i 40 -b 512 "$TEST_DIR/resv" | _filter_resv
+[ $? -eq 0 ] && echo done
+rm -f "$TEST_DIR/grumble"
+
+# success, all done
+status=0
+exit
diff --git a/084.out b/084.out
new file mode 100644 (file)
index 0000000..02d15b1
--- /dev/null
+++ b/084.out
@@ -0,0 +1,9 @@
+QA output created by 084
+
+*** First case - I/O blocksize same as pagesize
+reserved 40960000 bytes for [TESTFILE] using XFS_IOC_RESVSP64
+done
+
+*** Second case - 512 byte I/O blocksize
+reserved 40960000 bytes for [TESTFILE] using XFS_IOC_RESVSP64
+done
diff --git a/group b/group
index 51219e77fdd0ca712b1a360c3731b86aa9d6c5cd..11a8f6c1bcfc3002b588b00d883f8de7790a426b 100644 (file)
--- a/group
+++ b/group
@@ -144,3 +144,4 @@ ioctl               nathans@sgi.com
 081 logprint quota
 082 logprint
 083 rw auto
+084 ioctl rw auto
index 36cc7e343e58cfe586a1e06c07d58171a5c8bf96..6d729a1bf66f31603f16ac4377106f84b177ce7b 100644 (file)
@@ -1,5 +1,5 @@
 # 
-# Copyright (c) 2000-2003 Silicon Graphics, Inc.  All Rights Reserved.
+# Copyright (c) 2000-2004 Silicon Graphics, Inc.  All Rights Reserved.
 # 
 # This program is free software; you can redistribute it and/or modify it
 # under the terms of version 2 of the GNU General Public License as
@@ -36,8 +36,8 @@ include $(TOPDIR)/include/builddefs
 TARGETS = alloc acl_get bstat devzero dirstress fault feature \
          fill fill2 getpagesize holes xfsctl loggen lstat64 \
          nametest permname randholes runas truncfile usemem \
-         fstest mmapcat append_reader append_writer \
-         dirperf metaperf enospc_unlink
+         fileread fstest mmapcat append_reader append_writer \
+         dirperf metaperf enospc_unlink resvtest scaleread
 ifeq ($(ENABLE_DBM), yes)
 TARGETS += dbtest
 endif
@@ -77,5 +77,11 @@ loggen:      loggen.o
 fstest:        fstest.o
        $(LINKTEST)
 
+#scaleread: scaleread.o $(LDLIBS)
+#      $(LINKTEST)
+
+resvtest: resvtest.o
+       $(LINKTEST)
+
 acl_get: acl_get.o $(LIBACL) $(LIBATTR)
        $(LINKTEST) $(LIBACL) $(LIBATTR) $(LDLIBS)
diff --git a/src/resvtest.c b/src/resvtest.c
new file mode 100644 (file)
index 0000000..28772c8
--- /dev/null
@@ -0,0 +1,165 @@
+/*
+ * Copyright (c) 2004 Silicon Graphics, Inc.  All Rights Reserved.
+ * 
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ * 
+ * This program is distributed in the hope that it would be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * 
+ * Further, this software is distributed without any warranty that it is
+ * free of the rightful claim of any third person regarding infringement
+ * or the like.  Any license provided herein, whether implied or
+ * otherwise, applies only to this software file.  Patent licenses, if
+ * any, provided herein do not apply to combinations of this program with
+ * other software, or any other product whatsoever.
+ * 
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write the Free Software Foundation, Inc., 59
+ * Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ * 
+ * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
+ * Mountain View, CA  94043, or:
+ * 
+ * http://www.sgi.com 
+ * 
+ * For further information regarding this notice, see: 
+ * 
+ * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
+ */
+#include "global.h"
+
+int
+main(int argc, char **argv)
+{
+       int             c, i, j, n, err = 0;
+       int             writefd, readfd;
+       long            iterations = 100;
+       long            psize, bsize, leaksize = 32 * 1024 * 1024;
+       char            *filename;
+       char            *readbuffer, *writebuffer;
+       off64_t         resvsize;
+       xfs_flock64_t   resvsp;
+
+       psize = bsize = getpagesize();
+       resvsize = bsize * (off64_t) 10000;
+
+       while ((c = getopt(argc, argv, "b:i:l:s:")) != EOF) {
+               switch(c) {
+               case 'b':
+                       bsize = atol(optarg);
+                       break;
+               case 'i':
+                       iterations = atol(optarg);
+                       break;
+               case 'l':
+                       leaksize = atol(optarg);
+                       break;
+               case 's':
+                       resvsize = (off64_t) atoll(optarg);
+                       break;
+               default:
+                       err++;
+                       break;
+               }
+       }
+
+       if (optind > argc + 1)
+               err++;
+
+       if (err) {
+               printf("Usage: %s [-b blksize] [-l leaksize] [-r resvsize]\n",
+                       argv[0]);
+               exit(0);
+       }
+
+       filename = argv[optind];
+
+       readbuffer = memalign(psize, bsize);
+       writebuffer = memalign(psize, bsize);
+       if (!readbuffer || !writebuffer) {
+               perror("open");
+               exit(1);
+       }
+       memset(writebuffer, 'A', sizeof(writebuffer));
+
+       unlink(filename);
+       writefd = open(filename, O_RDWR | O_CREAT | O_EXCL, S_IRUSR | S_IWUSR);
+       if (writefd < 0) {
+               perror("open");
+               exit(1);
+       }
+       readfd = open(filename, O_RDONLY);
+       if (readfd < 0) {
+               perror("open");
+               exit(1);
+       }
+
+       /* preallocate file space */
+       resvsp.l_whence = 0;
+       resvsp.l_start = 0;
+       resvsp.l_len = resvsize;
+       if (ioctl(writefd, XFS_IOC_RESVSP64, &resvsp) < 0) {
+               fprintf(stdout, "attempt to reserve %lld bytes for %s "
+                               "using %s failed: %s (%d)\n", 
+                               resvsize, filename, "XFS_IOC_RESVSP64",
+                               strerror(errno), errno);
+       } else {
+               fprintf(stdout, "reserved %lld bytes for %s using %s\n",
+                               resvsize, filename, "XFS_IOC_RESVSP64");
+       }
+
+       /* Space is now preallocated, start IO --
+        * write at current offset, pressurize, seek to zero on reader
+        * and read up to current write offset.
+        */
+
+       n = 0;
+       while (++n < iterations) {
+               char *p;
+               int numerrors;
+
+               if (write(writefd, writebuffer, sizeof(writebuffer)) < 0) {
+                       perror("write");
+                       exit(1);
+               }
+
+               /* Apply some memory pressure 
+                * (allocate another chunk and touch all pages)
+                */
+               for (i = 0; i < (leaksize / psize); i++) {
+                       p = malloc(psize);
+                       if (p)
+                               p[7] = '7';
+               }
+               sleep(1);
+               lseek(readfd, SEEK_SET, 0);
+               numerrors = 0;
+               for (j = 0; j < n; j++) {
+                       if (read(readfd, readbuffer, sizeof(readbuffer)) < 0) {
+                               perror("read");
+                               exit(1);
+                       }
+                       for (i = 0; i < sizeof(readbuffer); i++) {
+                               if (readbuffer[i] != 'A') {
+                                       fprintf(stderr,
+"errors detected in file, pos: %d (%lld+%d), nwrites: %d [val=0x%x].\n",
+                                               j, (long long)j * 4096,
+                                               i, n, readbuffer[i]);
+                                       numerrors++;
+                                       break;
+                               }
+                       }
+               }
+               if (numerrors > 10) {
+                       exit(1);
+               } else if (numerrors) {
+                       fprintf(stdout, "\n");
+               }
+       }
+
+       return(0);
+}