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* [LTP] [PATCH v3 3/3] diotest4: Skip some diotest4 cases on NFS
       [not found] <1542500798.22365569.1408594543477.JavaMail.zimbra@redhat.com>
@ 2014-08-21  4:17 ` Xiong Zhou
  2014-08-21 13:58   ` Stanislav Kholmanskikh
  0 siblings, 1 reply; 2+ messages in thread
From: Xiong Zhou @ 2014-08-21  4:17 UTC (permalink / raw)
  To: ltp-list


According to description of NFS and directIO in open(2), especially
"The Linux NFS client places no alignment restrictions on
O_DIRECT I/O", ignore "odd count"/"non-aligned" read-write FAILs
in diotest4.

Signed-off-by: Xiong Zhou <xzhou@redhat.com>
---
 testcases/kernel/io/direct_io/diotest4.c | 51 +++++++++++---------------------
 1 file changed, 18 insertions(+), 33 deletions(-)

diff --git a/testcases/kernel/io/direct_io/diotest4.c b/testcases/kernel/io/direct_io/diotest4.c
index 8059f28..b48432a 100644
--- a/testcases/kernel/io/direct_io/diotest4.c
+++ b/testcases/kernel/io/direct_io/diotest4.c
@@ -71,9 +71,11 @@
 
 #include "test.h"
 #include "usctest.h"
+#include "tst_fs_type.h"
 
 char *TCID = "diotest4";	/* Test program identifier.    */
 int TST_TOTAL = 17;		/* Total number of test conditions */
+int NO_NFS = 1;			/* Test on NFS or not */
 
 #ifdef O_DIRECT
 
@@ -265,13 +267,12 @@ int main(int argc, char *argv[])
 	if (write(fd, buf2, 4096) == -1) {
 		tst_resm(TFAIL, "can't write to file %d", ret);
 	}
-	ret = runtest_f(fd, buf2, offset, count, EINVAL, 3, "odd count");
-	if (ret != 0) {
-		failed = TRUE;
-		fail_count++;
-		tst_resm(TFAIL, "Odd count of read and write");
+	if (NO_NFS) {
+		ret = runtest_f(fd, buf2, offset, count, EINVAL, 3, "odd count");
+		testcheck_end(ret, &failed, &fail_count,
+					"Odd count of read and write");
 	} else
-		tst_resm(TPASS, "Odd count of read and write");
+		tst_resm(TCONF, "NFS support odd count IO");
 	total++;
 
 	/* Test-4: Read beyond the file size */
@@ -432,39 +433,19 @@ int main(int argc, char *argv[])
 	/* Test-14: read, write with non-aligned buffer */
 	offset = 4096;
 	count = bufsize;
-	l_fail = 0;
 	if ((fd = open(filename, O_DIRECT | O_RDWR)) < 0) {
 		tst_brkm(TBROK, cleanup, "can't open %s: %s",
 			 filename, strerror(errno));
 	}
-	if (lseek(fd, offset, SEEK_SET) < 0) {
-		tst_resm(TFAIL, "lseek before read failed: %s",
-			 strerror(errno));
-		l_fail = TRUE;
-	} else {
-		if ((ret = read(fd, buf2 + 1, count)) != -1) {
-			tst_resm(TFAIL,
-				 "allows read nonaligned buf. returns %d: %s",
-				 ret, strerror(errno));
-			l_fail = TRUE;
-		}
-	}
-	if (lseek(fd, offset, SEEK_SET) < 0) {
-		tst_resm(TFAIL, "lseek before read failed: %s",
-			 strerror(errno));
-		l_fail = TRUE;
-	} else {
-		if ((ret = write(fd, buf2 + 1, count)) != -1) {
-			tst_resm(TFAIL,
-				 "allows write nonaligned buf. returns %d: %s",
-				 ret, strerror(errno));
-			l_fail = TRUE;
-		}
-	}
-	testcheck_end(l_fail, &failed, &fail_count,
+	if (NO_NFS) {
+		ret = runtest_f(fd, buf2 + 1, offset, count, EINVAL, 14,
+					" nonaligned buf");
+		testcheck_end(ret, &failed, &fail_count,
 				"read, write with non-aligned buffer");
-	total++;
+	} else
+		tst_resm(TCONF, "NFS support read, write with non-aligned buffer");
 	close(fd);
+	total++;
 
 	/* Test-15: read, write buffer in read-only space */
 	offset = 4096;
@@ -573,6 +554,10 @@ static void setup(void)
 			 strerror(errno));
 	}
 	close(fd1);
+
+	/* On NFS or not */
+	if (tst_fs_type(cleanup, ".") == TST_NFS_MAGIC)
+		NO_NFS = 0;
 }
 
 static void cleanup(void)
-- 
1.8.3.1


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^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [LTP] [PATCH v3 3/3] diotest4: Skip some diotest4 cases on NFS
  2014-08-21  4:17 ` [LTP] [PATCH v3 3/3] diotest4: Skip some diotest4 cases on NFS Xiong Zhou
@ 2014-08-21 13:58   ` Stanislav Kholmanskikh
  0 siblings, 0 replies; 2+ messages in thread
From: Stanislav Kholmanskikh @ 2014-08-21 13:58 UTC (permalink / raw)
  To: Xiong Zhou, ltp-list



On 08/21/2014 08:17 AM, Xiong Zhou wrote:
>
> According to description of NFS and directIO in open(2), especially
> "The Linux NFS client places no alignment restrictions on
> O_DIRECT I/O", ignore "odd count"/"non-aligned" read-write FAILs
> in diotest4.
>
> Signed-off-by: Xiong Zhou <xzhou@redhat.com>
> ---

Looks good to me, but it depends on patch 2 of the series.

>   testcases/kernel/io/direct_io/diotest4.c | 51 +++++++++++---------------------
>   1 file changed, 18 insertions(+), 33 deletions(-)
>
> diff --git a/testcases/kernel/io/direct_io/diotest4.c b/testcases/kernel/io/direct_io/diotest4.c
> index 8059f28..b48432a 100644
> --- a/testcases/kernel/io/direct_io/diotest4.c
> +++ b/testcases/kernel/io/direct_io/diotest4.c
> @@ -71,9 +71,11 @@
>
>   #include "test.h"
>   #include "usctest.h"
> +#include "tst_fs_type.h"
>
>   char *TCID = "diotest4";	/* Test program identifier.    */
>   int TST_TOTAL = 17;		/* Total number of test conditions */
> +int NO_NFS = 1;			/* Test on NFS or not */
>
>   #ifdef O_DIRECT
>
> @@ -265,13 +267,12 @@ int main(int argc, char *argv[])
>   	if (write(fd, buf2, 4096) == -1) {
>   		tst_resm(TFAIL, "can't write to file %d", ret);
>   	}
> -	ret = runtest_f(fd, buf2, offset, count, EINVAL, 3, "odd count");
> -	if (ret != 0) {
> -		failed = TRUE;
> -		fail_count++;
> -		tst_resm(TFAIL, "Odd count of read and write");
> +	if (NO_NFS) {
> +		ret = runtest_f(fd, buf2, offset, count, EINVAL, 3, "odd count");
> +		testcheck_end(ret, &failed, &fail_count,
> +					"Odd count of read and write");
>   	} else
> -		tst_resm(TPASS, "Odd count of read and write");
> +		tst_resm(TCONF, "NFS support odd count IO");
>   	total++;
>
>   	/* Test-4: Read beyond the file size */
> @@ -432,39 +433,19 @@ int main(int argc, char *argv[])
>   	/* Test-14: read, write with non-aligned buffer */
>   	offset = 4096;
>   	count = bufsize;
> -	l_fail = 0;
>   	if ((fd = open(filename, O_DIRECT | O_RDWR)) < 0) {
>   		tst_brkm(TBROK, cleanup, "can't open %s: %s",
>   			 filename, strerror(errno));
>   	}
> -	if (lseek(fd, offset, SEEK_SET) < 0) {
> -		tst_resm(TFAIL, "lseek before read failed: %s",
> -			 strerror(errno));
> -		l_fail = TRUE;
> -	} else {
> -		if ((ret = read(fd, buf2 + 1, count)) != -1) {
> -			tst_resm(TFAIL,
> -				 "allows read nonaligned buf. returns %d: %s",
> -				 ret, strerror(errno));
> -			l_fail = TRUE;
> -		}
> -	}
> -	if (lseek(fd, offset, SEEK_SET) < 0) {
> -		tst_resm(TFAIL, "lseek before read failed: %s",
> -			 strerror(errno));
> -		l_fail = TRUE;
> -	} else {
> -		if ((ret = write(fd, buf2 + 1, count)) != -1) {
> -			tst_resm(TFAIL,
> -				 "allows write nonaligned buf. returns %d: %s",
> -				 ret, strerror(errno));
> -			l_fail = TRUE;
> -		}
> -	}
> -	testcheck_end(l_fail, &failed, &fail_count,
> +	if (NO_NFS) {
> +		ret = runtest_f(fd, buf2 + 1, offset, count, EINVAL, 14,
> +					" nonaligned buf");
> +		testcheck_end(ret, &failed, &fail_count,
>   				"read, write with non-aligned buffer");
> -	total++;
> +	} else
> +		tst_resm(TCONF, "NFS support read, write with non-aligned buffer");
>   	close(fd);
> +	total++;
>
>   	/* Test-15: read, write buffer in read-only space */
>   	offset = 4096;
> @@ -573,6 +554,10 @@ static void setup(void)
>   			 strerror(errno));
>   	}
>   	close(fd1);
> +
> +	/* On NFS or not */
> +	if (tst_fs_type(cleanup, ".") == TST_NFS_MAGIC)
> +		NO_NFS = 0;
>   }
>
>   static void cleanup(void)
>

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^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2014-08-21 13:58 UTC | newest]

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     [not found] <1542500798.22365569.1408594543477.JavaMail.zimbra@redhat.com>
2014-08-21  4:17 ` [LTP] [PATCH v3 3/3] diotest4: Skip some diotest4 cases on NFS Xiong Zhou
2014-08-21 13:58   ` Stanislav Kholmanskikh

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