[PATCH 1/2] xfstests: update 'new' script

[PATCH 1/2] xfstests: update 'new' script

[Dmitry Monakhov]

- Update script to support new test cheme tests/$fs_type/$TEST_IDX
- Try to use first unused ID

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
---
 new |   78 +++++++++++++++++++++++++++++++++++++++++++++++-------------------
 1 files changed, 55 insertions(+), 23 deletions(-)

diff --git a/new b/new
index f3e6fa1..9fa522e 100755
--- a/new
+++ b/new
@@ -32,10 +32,22 @@ _cleanup()
     :
 }
 
-if [ ! -f group ]
+SRC_GROUPS=`find tests -not -path tests -type d -printf "%f "`
+function usage 
+{
+    echo "Usage $0 test_dir"
+    echo "Available dirs are: $SRC_GROUPS"
+    exit
+}
+
+[ $# -eq 0 ] && usage
+tdir=tests/$1
+shift
+
+if [ ! -f $tdir/group ]
 then
-    echo "Creating the group index ..."
-    cat <<'End-of-File' >group
+    echo "Creating the $tdir/group index ..."
+    cat <<'End-of-File' >$tdir/group
 # QA groups control
 #
 # define groups and default group owners
@@ -51,10 +63,10 @@ other		some-user-login
 End-of-File
 fi
 
-if [ ! -w group ]
+if [ ! -w $tdir/group ]
 then
-    chmod u+w group
-    echo "Warning: making the index file \"group\" writeable"
+    chmod u+w $tdir/group
+    echo "Warning: making the index file \"$tdir/group\" writeable"
 fi
 
 if make
@@ -64,13 +76,26 @@ else
     echo "Warning: make failed -- some tests may be missing"
 fi
 
-last=`grep '^[0-9][0-9]* ' group | sort | tail -1 | sed -e 's/[ 	].*//'`
-# get rid of leading 0s as can be interpreted as octal
-last=`echo $last | sed 's/^0*//'`
-id=`$AWK_PROG </dev/null 'BEGIN{printf "%03d\n",'$last'+1}'`
+i=0
+line=0
+[ -f "$tdir/group" ] || usage
+
+for found in `cat $tdir/group | gawk '{ print $1 }'`
+do
+    line=$((line+1))
+    if [ -z "$found" ] || [ "$found" == "#" ];then
+	continue
+    fi
+    i=$((i+1))
+    id=`printf "%03d" $i`
+    if [ "$id" != "$found" ];then
+	break
+    fi
+done
+
 echo "Next test is $id"
 
-if [ -f $id ]
+if [ -f $tdir/$id ]
 then
     echo "Error: test $id already exists!"
     _cleanup
@@ -81,7 +106,7 @@ echo -n "Creating skeletal script for you to edit ..."
 
 year=`date +%Y`
 
-cat <<End-of-File >$id
+cat <<End-of-File >$tdir/$id
 #! /bin/bash
 # FS QA Test No. $id
 #
@@ -146,11 +171,12 @@ End-of-File
 sleep 2		# latency to read messages to this point
 echo ""
 
-chmod 755 $id
-${EDITOR-vi} $id
+chmod 755 $tdir/$id
+${EDITOR-vi} $tdir/$id
 
 if [ $# -eq 0 ]
 then
+
     while true
     do
 	echo -n "Add to group(s) [other] (? for list): "
@@ -158,12 +184,15 @@ then
 	[ -z "$ans" ] && ans=other
 	if [ "X$ans" = "X?" ]
 	then
-	    $AWK_PROG <group '
-BEGIN		{ text = "# ???" }
-/^[a-z]/	{ printf "%-16.16s %s\n",$1,text; text = "# ???"; next }
-NF < 2		{ next }
-		{ text = $0 }' \
-	    | sort
+	    for d in $SRC_GROUPS; do
+		l=$(sed -n < tests/$d/group \
+		    -e 's/#.*//' \
+		    -e 's/$/ /' \
+		    -e 's;\(^[0-9][0-9][0-9]\)\(.*$\);\2;p')
+		grpl="$grpl $l"
+	    done
+	    lst=`for word in $grpl; do echo $word; done | sort| uniq `
+	    echo $lst
 	else
 	    break
 	fi
@@ -173,18 +202,21 @@ else
     #
     for g in $*
     do
-	if grep "^$g[ 	]" group >/dev/null
+	if grep "^$g[ 	]" $tdir/group >/dev/null
 	then
 	    :
 	else
-	    echo "Warning: group \"$g\" not defined in ./group"
+	    echo "Warning: group \"$g\" not defined in $tdir/group"
 	fi
     done
     ans="$*"
 fi
 
 echo -n "Adding $id to group index ..."
-echo "$id $ans" >>group
+head -n $(($line-1)) $tdir/group > /tmp/$$.group
+echo "$id $ans" >> /tmp/$$.group
+tail -n +$((line)) $tdir/group >> /tmp/$$.group
+mv /tmp/$$.group $tdir/group
 echo " done."
 
 exit 0
-- 
1.7.1

[PATCH 2/2] add aio/dio regression test race between write and fcntl V3

[Dmitry Monakhov]

Original report: https://lkml.org/lkml/2014/10/8/545
perform AIO-DIO and fcntl(F_SETFL) concurently
Unaligned AIO likely result in synchronization which makes racewindow wider.

changes from v2->v3
 - Copyright fixes according to Dave's comments
changes from v1->v2
 - Properly reuse aio context

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
---
 src/aio-dio-regress/aio-dio-fcntl-race.c |  148 ++++++++++++++++++++++++++++++
 tests/generic/035                        |   50 ++++++++++
 tests/generic/035.out                    |    2 +
 tests/generic/group                      |    2 +
 4 files changed, 202 insertions(+), 0 deletions(-)
 create mode 100644 src/aio-dio-regress/aio-dio-fcntl-race.c
 create mode 100755 tests/generic/035
 create mode 100644 tests/generic/035.out

diff --git a/src/aio-dio-regress/aio-dio-fcntl-race.c b/src/aio-dio-regress/aio-dio-fcntl-race.c
new file mode 100644
index 0000000..e1c8998
--- /dev/null
+++ b/src/aio-dio-regress/aio-dio-fcntl-race.c
@@ -0,0 +1,148 @@
+/*
+ * Perform aio writes to file and toggle O_DIRECT flag concurrently
+ * this may trigger race between file->f_flags read and modification
+ * unuligned aio allow to makes race window wider.
+ * Regression test for https://lkml.org/lkml/2014/10/8/545
+ *
+ * Copyright (c) 2014 Dmitry Monakhov.  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 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ */
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <libaio.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+
+#define BUF_SIZE	512
+#define LOOP_SECONDS 10
+
+
+static int do_aio_loop(int fd, void *buf)
+{
+	int err, ret;
+	struct io_context *ctx = NULL;
+	struct io_event ev;
+	struct iocb iocb, *iocbs[] = { &iocb };
+	struct timeval start, now, delta = { 0, 0 };
+
+	ret = 0;
+	err = io_setup(1, &ctx);
+	if (err) {
+		fprintf(stderr, "error %s during %s\n",
+			strerror(-err), "io_setup" );
+		return 1;
+	}
+	while (1) {
+		io_prep_pwrite(&iocb, fd, buf, BUF_SIZE, BUF_SIZE);
+		err = io_submit(ctx, 1, iocbs);
+		if (err != 1) {
+			fprintf(stderr, "error %s during %s\n",
+				strerror(-err),
+				"io_submit");
+			ret = 1;
+			break;
+		}
+		err = io_getevents(ctx, 1, 1, &ev, NULL);
+		if (err != 1) {
+			fprintf(stderr, "error %s during %s\n",
+				strerror(-err),
+				"io_getevents");
+			ret = 1;
+			break;
+		}
+		gettimeofday(&now, NULL);
+		timersub(&now, &start, &delta);
+		if (delta.tv_sec >= LOOP_SECONDS)
+			break;
+	}
+	io_destroy(ctx);
+	return ret;
+}
+
+int main(int argc, char **argv)
+{
+	int flags, fd;
+	int pid1, pid2 = 0;
+	int ret1, ret = 0;
+
+	if (argc != 2){
+		printf("Usage %s fname\n", argv[0]);
+		return 1;
+	}
+	fd = open(argv[1], O_CREAT | O_TRUNC | O_RDWR, 0600);
+	if (fd < 0)
+		return 1;
+
+	pid1 = fork();
+	if (pid1 < 0)
+		return 1;
+
+	if (pid1 == 0) {
+		struct timeval start, now, delta = { 0, 0 };
+
+		gettimeofday(&start, NULL);
+
+		/* child: toggle O_DIRECT*/
+		flags = fcntl(fd, F_GETFL);
+		while (1) {
+			ret = fcntl(fd, F_SETFL, flags | O_DIRECT);
+			if (ret)
+				return ret;
+			ret = fcntl(fd, F_SETFL, flags);
+			if (ret)
+				return ret;
+
+			gettimeofday(&now, NULL);
+			timersub(&now, &start, &delta);
+			if (delta.tv_sec >= LOOP_SECONDS)
+				break;
+		}
+	} else {
+		/* parent: AIO */
+		void *buf;
+		posix_memalign(&buf, BUF_SIZE, BUF_SIZE);
+		/* Two tasks which performs unaligned aio will be serialized
+		   which maks race window wider */
+		pid2 = fork();
+		if (pid2 < 0)
+			goto out;
+		else if (pid2 > 0)
+			printf("All tasks are spawned\n");
+
+		ret = do_aio_loop(fd, buf);
+	}
+out:
+	/* Parent wait for all others */
+	if (pid2 > 0){
+		waitpid(pid1, &ret1, 0);
+		if (!ret)
+			ret = ret1;
+		waitpid(pid2, &ret1, 0);
+	} else {
+		waitpid(pid1, &ret1, 0);
+	}
+	if (!ret)
+		ret = ret1;
+
+	return ret;
+}
diff --git a/tests/generic/035 b/tests/generic/035
new file mode 100755
index 0000000..51b3491
--- /dev/null
+++ b/tests/generic/035
@@ -0,0 +1,50 @@
+#! /bin/bash
+# FS QA Test No. 035
+#
+# Run aio-dio-fcntl-race - test aio write race with O_DIRECT toggle
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2014 Dmitry Monakhov.  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 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.  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 the Free Software Foundation,
+# Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+#-----------------------------------------------------------------------
+
+seq=`basename $0`
+seqres=$RESULT_DIR/$seq
+echo "QA output created by $seq"
+
+here=`pwd`
+tmp=/tmp/$$
+status=1	# failure is the default!
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+_cleanup()
+{
+    cd /
+    rm -f $tmp.*
+}
+
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/filter
+
+# real QA test starts here
+
+_supported_fs generic
+_supported_os Linux
+_require_test
+
+_run_aiodio aio-dio-fcntl-race
+
+exit $status
diff --git a/tests/generic/035.out b/tests/generic/035.out
new file mode 100644
index 0000000..f730e2f
--- /dev/null
+++ b/tests/generic/035.out
@@ -0,0 +1,2 @@
+QA output created by 035
+All tasks are spawned
diff --git a/tests/generic/group b/tests/generic/group
index 799bfd8..419379d 100644
--- a/tests/generic/group
+++ b/tests/generic/group
@@ -37,6 +37,7 @@
 032 auto quick rw
 033 auto quick rw
 034 auto quick metadata log
+035 auto quick aio rw stress
 053 acl repair auto quick
 062 attr udf auto quick
 068 other auto freeze dangerous stress
@@ -151,3 +152,4 @@
 323 auto aio stress
 324 auto fsr quick
 325 auto quick data log
+326 auto quick aio rw stress
-- 
1.7.1

Re: [PATCH 1/2] xfstests: update 'new' script

[Albino Biasutti Neto]

2014-10-14 10:59 GMT-03:00 Dmitry Monakhov <dmonakhov@openvz.org>:
> - Update script to support new test cheme tests/$fs_type/$TEST_IDX
> - Try to use first unused ID
>
> Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
> ---
>  new |   78 +++++++++++++++++++++++++++++++++++++++++++++++-------------------
>  1 files changed, 55 insertions(+), 23 deletions(-)
>
> -chmod 755 $id
> -${EDITOR-vi} $id
> +chmod 755 $tdir/$id
> +${EDITOR-vi} $tdir/$id

You could leave only $EDITOR ?

In executing is on user preference.

                          Albino
                          binoanb.eti.br

Re: [PATCH 1/2] xfstests: update 'new' script

[Eryu Guan]

On Tue, Oct 14, 2014 at 05:59:48PM +0400, Dmitry Monakhov wrote:
> - Update script to support new test cheme tests/$fs_type/$TEST_IDX
> - Try to use first unused ID
> 
> Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
> ---
>  new |   78 +++++++++++++++++++++++++++++++++++++++++++++++-------------------
>  1 files changed, 55 insertions(+), 23 deletions(-)
> 
> diff --git a/new b/new
> index f3e6fa1..9fa522e 100755
> --- a/new
> +++ b/new
> @@ -32,10 +32,22 @@ _cleanup()
>      :
>  }
>  
> -if [ ! -f group ]
> +SRC_GROUPS=`find tests -not -path tests -type d -printf "%f "`
> +function usage 

Trailing whitespace here.

> +{
> +    echo "Usage $0 test_dir"
> +    echo "Available dirs are: $SRC_GROUPS"
> +    exit
> +}
> +
> +[ $# -eq 0 ] && usage
> +tdir=tests/$1
> +shift
> +
> +if [ ! -f $tdir/group ]
>  then
> -    echo "Creating the group index ..."
> -    cat <<'End-of-File' >group
> +    echo "Creating the $tdir/group index ..."
> +    cat <<'End-of-File' >$tdir/group
>  # QA groups control
>  #
>  # define groups and default group owners
> @@ -51,10 +63,10 @@ other		some-user-login
>  End-of-File
>  fi
>  
> -if [ ! -w group ]
> +if [ ! -w $tdir/group ]
>  then
> -    chmod u+w group
> -    echo "Warning: making the index file \"group\" writeable"
> +    chmod u+w $tdir/group
> +    echo "Warning: making the index file \"$tdir/group\" writeable"
>  fi
>  
>  if make
> @@ -64,13 +76,26 @@ else
>      echo "Warning: make failed -- some tests may be missing"
>  fi
>  
> -last=`grep '^[0-9][0-9]* ' group | sort | tail -1 | sed -e 's/[ 	].*//'`
> -# get rid of leading 0s as can be interpreted as octal
> -last=`echo $last | sed 's/^0*//'`
> -id=`$AWK_PROG </dev/null 'BEGIN{printf "%03d\n",'$last'+1}'`
> +i=0
> +line=0
> +[ -f "$tdir/group" ] || usage
> +
> +for found in `cat $tdir/group | gawk '{ print $1 }'`
> +do
> +    line=$((line+1))
> +    if [ -z "$found" ] || [ "$found" == "#" ];then
> +	continue
> +    fi
> +    i=$((i+1))
> +    id=`printf "%03d" $i`
> +    if [ "$id" != "$found" ];then
> +	break
> +    fi
> +done
> +

If the group file is all in shape and first unused id is the lastid+1,
the script fails here, ./new btrfs could reproduce this

 # ./new btrfs
 .....
 Next test is 078
 Error: test 078 already exists!

Thanks,
Eryu
>  echo "Next test is $id"
>  
> -if [ -f $id ]
> +if [ -f $tdir/$id ]
>  then
>      echo "Error: test $id already exists!"
>      _cleanup
> @@ -81,7 +106,7 @@ echo -n "Creating skeletal script for you to edit ..."
>  
>  year=`date +%Y`
>  
> -cat <<End-of-File >$id
> +cat <<End-of-File >$tdir/$id
>  #! /bin/bash
>  # FS QA Test No. $id
>  #
> @@ -146,11 +171,12 @@ End-of-File
>  sleep 2		# latency to read messages to this point
>  echo ""
>  
> -chmod 755 $id
> -${EDITOR-vi} $id
> +chmod 755 $tdir/$id
> +${EDITOR-vi} $tdir/$id
>  
>  if [ $# -eq 0 ]
>  then
> +
>      while true
>      do
>  	echo -n "Add to group(s) [other] (? for list): "
> @@ -158,12 +184,15 @@ then
>  	[ -z "$ans" ] && ans=other
>  	if [ "X$ans" = "X?" ]
>  	then
> -	    $AWK_PROG <group '
> -BEGIN		{ text = "# ???" }
> -/^[a-z]/	{ printf "%-16.16s %s\n",$1,text; text = "# ???"; next }
> -NF < 2		{ next }
> -		{ text = $0 }' \
> -	    | sort
> +	    for d in $SRC_GROUPS; do
> +		l=$(sed -n < tests/$d/group \
> +		    -e 's/#.*//' \
> +		    -e 's/$/ /' \
> +		    -e 's;\(^[0-9][0-9][0-9]\)\(.*$\);\2;p')
> +		grpl="$grpl $l"
> +	    done
> +	    lst=`for word in $grpl; do echo $word; done | sort| uniq `
> +	    echo $lst
>  	else
>  	    break
>  	fi
> @@ -173,18 +202,21 @@ else
>      #
>      for g in $*
>      do
> -	if grep "^$g[ 	]" group >/dev/null
> +	if grep "^$g[ 	]" $tdir/group >/dev/null
>  	then
>  	    :
>  	else
> -	    echo "Warning: group \"$g\" not defined in ./group"
> +	    echo "Warning: group \"$g\" not defined in $tdir/group"
>  	fi
>      done
>      ans="$*"
>  fi
>  
>  echo -n "Adding $id to group index ..."
> -echo "$id $ans" >>group
> +head -n $(($line-1)) $tdir/group > /tmp/$$.group
> +echo "$id $ans" >> /tmp/$$.group
> +tail -n +$((line)) $tdir/group >> /tmp/$$.group
> +mv /tmp/$$.group $tdir/group
>  echo " done."
>  
>  exit 0
> -- 
> 1.7.1
> 
> --
> To unsubscribe from this list: send the line "unsubscribe fstests" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html

Re: [PATCH 2/2] add aio/dio regression test race between write and fcntl V3

[Eryu Guan]

On Tue, Oct 14, 2014 at 05:59:49PM +0400, Dmitry Monakhov wrote:
> Original report: https://lkml.org/lkml/2014/10/8/545
> perform AIO-DIO and fcntl(F_SETFL) concurently
> Unaligned AIO likely result in synchronization which makes racewindow wider.

If you can put patch info here, it'll be helpful, so people would know
which patch fixes the problem.

> 
> changes from v2->v3
>  - Copyright fixes according to Dave's comments
> changes from v1->v2
>  - Properly reuse aio context
> 
> Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
> ---
>  src/aio-dio-regress/aio-dio-fcntl-race.c |  148 ++++++++++++++++++++++++++++++
>  tests/generic/035                        |   50 ++++++++++
>  tests/generic/035.out                    |    2 +

Seems 035 has been taken now..

>  tests/generic/group                      |    2 +
>  4 files changed, 202 insertions(+), 0 deletions(-)
>  create mode 100644 src/aio-dio-regress/aio-dio-fcntl-race.c
>  create mode 100755 tests/generic/035
>  create mode 100644 tests/generic/035.out
> 
> diff --git a/src/aio-dio-regress/aio-dio-fcntl-race.c b/src/aio-dio-regress/aio-dio-fcntl-race.c
> new file mode 100644
> index 0000000..e1c8998
> --- /dev/null
> +++ b/src/aio-dio-regress/aio-dio-fcntl-race.c
> @@ -0,0 +1,148 @@
> +/*
> + * Perform aio writes to file and toggle O_DIRECT flag concurrently
> + * this may trigger race between file->f_flags read and modification
> + * unuligned aio allow to makes race window wider.
> + * Regression test for https://lkml.org/lkml/2014/10/8/545
> + *
> + * Copyright (c) 2014 Dmitry Monakhov.  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 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
> + */
> +#include <sys/stat.h>
> +#include <sys/types.h>
> +#include <errno.h>
> +#include <fcntl.h>
> +#include <unistd.h>
> +#include <libaio.h>
> +#include <stdio.h>
> +#include <stdlib.h>
> +#include <time.h>
> +#include <sys/time.h>
> +#include <sys/types.h>
> +#include <sys/wait.h>
> +
> +#define BUF_SIZE	512
> +#define LOOP_SECONDS 10
> +
> +
> +static int do_aio_loop(int fd, void *buf)
> +{
> +	int err, ret;
> +	struct io_context *ctx = NULL;
> +	struct io_event ev;
> +	struct iocb iocb, *iocbs[] = { &iocb };
> +	struct timeval start, now, delta = { 0, 0 };
> +
> +	ret = 0;
> +	err = io_setup(1, &ctx);
> +	if (err) {
> +		fprintf(stderr, "error %s during %s\n",
> +			strerror(-err), "io_setup" );
> +		return 1;
> +	}
> +	while (1) {
> +		io_prep_pwrite(&iocb, fd, buf, BUF_SIZE, BUF_SIZE);
> +		err = io_submit(ctx, 1, iocbs);
> +		if (err != 1) {
> +			fprintf(stderr, "error %s during %s\n",
> +				strerror(-err),
> +				"io_submit");
> +			ret = 1;
> +			break;
> +		}
> +		err = io_getevents(ctx, 1, 1, &ev, NULL);
> +		if (err != 1) {
> +			fprintf(stderr, "error %s during %s\n",
> +				strerror(-err),
> +				"io_getevents");
> +			ret = 1;
> +			break;
> +		}
> +		gettimeofday(&now, NULL);
> +		timersub(&now, &start, &delta);
> +		if (delta.tv_sec >= LOOP_SECONDS)
> +			break;
> +	}
> +	io_destroy(ctx);
> +	return ret;
> +}
> +
> +int main(int argc, char **argv)
> +{
> +	int flags, fd;
> +	int pid1, pid2 = 0;
> +	int ret1, ret = 0;
> +
> +	if (argc != 2){
> +		printf("Usage %s fname\n", argv[0]);
> +		return 1;
> +	}
> +	fd = open(argv[1], O_CREAT | O_TRUNC | O_RDWR, 0600);
> +	if (fd < 0)
> +		return 1;
> +
> +	pid1 = fork();
> +	if (pid1 < 0)
> +		return 1;
> +
> +	if (pid1 == 0) {
> +		struct timeval start, now, delta = { 0, 0 };
> +
> +		gettimeofday(&start, NULL);
> +
> +		/* child: toggle O_DIRECT*/
> +		flags = fcntl(fd, F_GETFL);
> +		while (1) {
> +			ret = fcntl(fd, F_SETFL, flags | O_DIRECT);
> +			if (ret)
> +				return ret;
> +			ret = fcntl(fd, F_SETFL, flags);
> +			if (ret)
> +				return ret;
> +
> +			gettimeofday(&now, NULL);
> +			timersub(&now, &start, &delta);
> +			if (delta.tv_sec >= LOOP_SECONDS)
> +				break;
> +		}
> +	} else {
> +		/* parent: AIO */
> +		void *buf;
> +		posix_memalign(&buf, BUF_SIZE, BUF_SIZE);
> +		/* Two tasks which performs unaligned aio will be serialized
> +		   which maks race window wider */
> +		pid2 = fork();
> +		if (pid2 < 0)
> +			goto out;
> +		else if (pid2 > 0)
> +			printf("All tasks are spawned\n");
> +
> +		ret = do_aio_loop(fd, buf);
> +	}
> +out:
> +	/* Parent wait for all others */
> +	if (pid2 > 0){
> +		waitpid(pid1, &ret1, 0);
> +		if (!ret)
> +			ret = ret1;
> +		waitpid(pid2, &ret1, 0);
> +	} else {
> +		waitpid(pid1, &ret1, 0);
> +	}
> +	if (!ret)
> +		ret = ret1;
> +
> +	return ret;
> +}
> diff --git a/tests/generic/035 b/tests/generic/035
> new file mode 100755
> index 0000000..51b3491
> --- /dev/null
> +++ b/tests/generic/035
> @@ -0,0 +1,50 @@
> +#! /bin/bash
> +# FS QA Test No. 035
> +#
> +# Run aio-dio-fcntl-race - test aio write race with O_DIRECT toggle
> +#
> +#-----------------------------------------------------------------------
> +# Copyright (c) 2014 Dmitry Monakhov.  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 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.  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 the Free Software Foundation,
> +# Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
> +#-----------------------------------------------------------------------
> +
> +seq=`basename $0`
> +seqres=$RESULT_DIR/$seq
> +echo "QA output created by $seq"
> +
> +here=`pwd`
> +tmp=/tmp/$$
> +status=1	# failure is the default!
> +trap "_cleanup; exit \$status" 0 1 2 3 15
> +
> +_cleanup()
> +{
> +    cd /
> +    rm -f $tmp.*
> +}
> +
> +# get standard environment, filters and checks
> +. ./common/rc
> +. ./common/filter
> +
> +# real QA test starts here
> +
> +_supported_fs generic
> +_supported_os Linux
> +_require_test
> +
> +_run_aiodio aio-dio-fcntl-race
> +
> +exit $status
> diff --git a/tests/generic/035.out b/tests/generic/035.out
> new file mode 100644
> index 0000000..f730e2f
> --- /dev/null
> +++ b/tests/generic/035.out
> @@ -0,0 +1,2 @@
> +QA output created by 035
> +All tasks are spawned
> diff --git a/tests/generic/group b/tests/generic/group
> index 799bfd8..419379d 100644
> --- a/tests/generic/group
> +++ b/tests/generic/group
> @@ -37,6 +37,7 @@
>  032 auto quick rw
>  033 auto quick rw
>  034 auto quick metadata log
> +035 auto quick aio rw stress

I'm not sure if 10 seconds could fit the quick group here..

>  053 acl repair auto quick
>  062 attr udf auto quick
>  068 other auto freeze dangerous stress
> @@ -151,3 +152,4 @@
>  323 auto aio stress
>  324 auto fsr quick
>  325 auto quick data log
> +326 auto quick aio rw stress

Forgot to remove this line.

Otherwise looks good to me.

Reviewed-by: Eryu Guan <eguan@redhat.com>

Thanks,
Eryu
> -- 
> 1.7.1
> 
> --
> To unsubscribe from this list: send the line "unsubscribe fstests" in
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Re: [PATCH 1/2] xfstests: update 'new' script

[Dmitry Monakhov]

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Eryu Guan <eguan@redhat.com> writes:

> On Tue, Oct 14, 2014 at 05:59:48PM +0400, Dmitry Monakhov wrote:
>> - Update script to support new test cheme tests/$fs_type/$TEST_IDX
>> - Try to use first unused ID
>> 
>> Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
>> ---
>>  new |   78 +++++++++++++++++++++++++++++++++++++++++++++++-------------------
>>  1 files changed, 55 insertions(+), 23 deletions(-)
>> 
>> diff --git a/new b/new
>> index f3e6fa1..9fa522e 100755
>> --- a/new
>> +++ b/new
>> @@ -32,10 +32,22 @@ _cleanup()
>>      :
>>  }
>>  
>> -if [ ! -f group ]
>> +SRC_GROUPS=`find tests -not -path tests -type d -printf "%f "`
>> +function usage 
>
> Trailing whitespace here.
>
>> +{
>> +    echo "Usage $0 test_dir"
>> +    echo "Available dirs are: $SRC_GROUPS"
>> +    exit
>> +}
>> +
>> +[ $# -eq 0 ] && usage
>> +tdir=tests/$1
>> +shift
>> +
>> +if [ ! -f $tdir/group ]
>>  then
>> -    echo "Creating the group index ..."
>> -    cat <<'End-of-File' >group
>> +    echo "Creating the $tdir/group index ..."
>> +    cat <<'End-of-File' >$tdir/group
>>  # QA groups control
>>  #
>>  # define groups and default group owners
>> @@ -51,10 +63,10 @@ other		some-user-login
>>  End-of-File
>>  fi
>>  
>> -if [ ! -w group ]
>> +if [ ! -w $tdir/group ]
>>  then
>> -    chmod u+w group
>> -    echo "Warning: making the index file \"group\" writeable"
>> +    chmod u+w $tdir/group
>> +    echo "Warning: making the index file \"$tdir/group\" writeable"
>>  fi
>>  
>>  if make
>> @@ -64,13 +76,26 @@ else
>>      echo "Warning: make failed -- some tests may be missing"
>>  fi
>>  
>> -last=`grep '^[0-9][0-9]* ' group | sort | tail -1 | sed -e 's/[ 	].*//'`
>> -# get rid of leading 0s as can be interpreted as octal
>> -last=`echo $last | sed 's/^0*//'`
>> -id=`$AWK_PROG </dev/null 'BEGIN{printf "%03d\n",'$last'+1}'`
>> +i=0
>> +line=0
>> +[ -f "$tdir/group" ] || usage
>> +
>> +for found in `cat $tdir/group | gawk '{ print $1 }'`
>> +do
>> +    line=$((line+1))
>> +    if [ -z "$found" ] || [ "$found" == "#" ];then
>> +	continue
>> +    fi
>> +    i=$((i+1))
>> +    id=`printf "%03d" $i`
>> +    if [ "$id" != "$found" ];then
>> +	break
>> +    fi
>> +done
>> +
>
> If the group file is all in shape and first unused id is the lastid+1,
> the script fails here, ./new btrfs could reproduce this
>
Ohh, Indeed. I've missed that case, sorry. Will resend the path shortly.
>  # ./new btrfs
>  .....
>  Next test is 078
>  Error: test 078 already exists!
>
> Thanks,
> Eryu
>>  echo "Next test is $id"
>>  
>> -if [ -f $id ]
>> +if [ -f $tdir/$id ]
>>  then
>>      echo "Error: test $id already exists!"
>>      _cleanup
>> @@ -81,7 +106,7 @@ echo -n "Creating skeletal script for you to edit ..."
>>  
>>  year=`date +%Y`
>>  
>> -cat <<End-of-File >$id
>> +cat <<End-of-File >$tdir/$id
>>  #! /bin/bash
>>  # FS QA Test No. $id
>>  #
>> @@ -146,11 +171,12 @@ End-of-File
>>  sleep 2		# latency to read messages to this point
>>  echo ""
>>  
>> -chmod 755 $id
>> -${EDITOR-vi} $id
>> +chmod 755 $tdir/$id
>> +${EDITOR-vi} $tdir/$id
>>  
>>  if [ $# -eq 0 ]
>>  then
>> +
>>      while true
>>      do
>>  	echo -n "Add to group(s) [other] (? for list): "
>> @@ -158,12 +184,15 @@ then
>>  	[ -z "$ans" ] && ans=other
>>  	if [ "X$ans" = "X?" ]
>>  	then
>> -	    $AWK_PROG <group '
>> -BEGIN		{ text = "# ???" }
>> -/^[a-z]/	{ printf "%-16.16s %s\n",$1,text; text = "# ???"; next }
>> -NF < 2		{ next }
>> -		{ text = $0 }' \
>> -	    | sort
>> +	    for d in $SRC_GROUPS; do
>> +		l=$(sed -n < tests/$d/group \
>> +		    -e 's/#.*//' \
>> +		    -e 's/$/ /' \
>> +		    -e 's;\(^[0-9][0-9][0-9]\)\(.*$\);\2;p')
>> +		grpl="$grpl $l"
>> +	    done
>> +	    lst=`for word in $grpl; do echo $word; done | sort| uniq `
>> +	    echo $lst
>>  	else
>>  	    break
>>  	fi
>> @@ -173,18 +202,21 @@ else
>>      #
>>      for g in $*
>>      do
>> -	if grep "^$g[ 	]" group >/dev/null
>> +	if grep "^$g[ 	]" $tdir/group >/dev/null
>>  	then
>>  	    :
>>  	else
>> -	    echo "Warning: group \"$g\" not defined in ./group"
>> +	    echo "Warning: group \"$g\" not defined in $tdir/group"
>>  	fi
>>      done
>>      ans="$*"
>>  fi
>>  
>>  echo -n "Adding $id to group index ..."
>> -echo "$id $ans" >>group
>> +head -n $(($line-1)) $tdir/group > /tmp/$$.group
>> +echo "$id $ans" >> /tmp/$$.group
>> +tail -n +$((line)) $tdir/group >> /tmp/$$.group
>> +mv /tmp/$$.group $tdir/group
>>  echo " done."
>>  
>>  exit 0
>> -- 
>> 1.7.1
>> 
>> --
>> To unsubscribe from this list: send the line "unsubscribe fstests" in
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