diff mbox series

[4/5] generic/591: use proper sector size

Message ID 20220529105505.667891-5-zlang@kernel.org (mailing list archive)
State New, archived
Headers show
Series random fixes for fstests | expand

Commit Message

Zorro Lang May 29, 2022, 10:55 a.m. UTC
The generic/591 fails if the sector size of TEST_DEV isn't 512:

  splice-test: write: /mnt/test/a: Invalid argument

To fix this issue, this patch help src/splice-test.c to get a specify
sector size from the test case. Then let g/591 give it a proper
sector size which dio aligned.

Signed-off-by: Zorro Lang <zlang@kernel.org>
---
 src/dmiperf        | Bin 0 -> 31288 bytes
 src/splice-test.c  |  37 +++++++++++++++++++++++++------------
 src/t_locks_execve | Bin 0 -> 25904 bytes
 tests/generic/591  |   6 ++++--
 4 files changed, 29 insertions(+), 14 deletions(-)
 create mode 100755 src/dmiperf
 create mode 100755 src/t_locks_execve

Comments

Dave Chinner May 29, 2022, 11:57 p.m. UTC | #1
On Sun, May 29, 2022 at 06:55:04PM +0800, Zorro Lang wrote:
> The generic/591 fails if the sector size of TEST_DEV isn't 512:
> 
>   splice-test: write: /mnt/test/a: Invalid argument
> 
> To fix this issue, this patch help src/splice-test.c to get a specify
> sector size from the test case. Then let g/591 give it a proper
> sector size which dio aligned.
> 
> Signed-off-by: Zorro Lang <zlang@kernel.org>
> ---
>  src/dmiperf        | Bin 0 -> 31288 bytes
>  src/splice-test.c  |  37 +++++++++++++++++++++++++------------
>  src/t_locks_execve | Bin 0 -> 25904 bytes
>  tests/generic/591  |   6 ++++--

I don't think this commit should include built binaries....

-Dave
Zorro Lang May 30, 2022, 6:02 a.m. UTC | #2
On Mon, May 30, 2022 at 09:57:12AM +1000, Dave Chinner wrote:
> On Sun, May 29, 2022 at 06:55:04PM +0800, Zorro Lang wrote:
> > The generic/591 fails if the sector size of TEST_DEV isn't 512:
> > 
> >   splice-test: write: /mnt/test/a: Invalid argument
> > 
> > To fix this issue, this patch help src/splice-test.c to get a specify
> > sector size from the test case. Then let g/591 give it a proper
> > sector size which dio aligned.
> > 
> > Signed-off-by: Zorro Lang <zlang@kernel.org>
> > ---
> >  src/dmiperf        | Bin 0 -> 31288 bytes
> >  src/splice-test.c  |  37 +++++++++++++++++++++++++------------
> >  src/t_locks_execve | Bin 0 -> 25904 bytes
> >  tests/generic/591  |   6 ++++--
> 
> I don't think this commit should include built binaries....

That's a ... mistake, sorry, I'll resend.

Thanks,
Zorro

> 
> -Dave
> -- 
> Dave Chinner
> david@fromorbit.com
>
diff mbox series

Patch

diff --git a/src/dmiperf b/src/dmiperf
new file mode 100755
index 0000000000000000000000000000000000000000..da9aa46bbc7dd5bed88e6bdcadaa5923a34ea1b3
GIT binary patch
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diff --git a/src/splice-test.c b/src/splice-test.c
index e6ae6fca..3e08f1c0 100644
--- a/src/splice-test.c
+++ b/src/splice-test.c
@@ -19,19 +19,20 @@ 
 #include <errno.h>
 #include <malloc.h>
 
-#define SECTOR_SIZE 512
-#define BUFFER_SIZE (150 * SECTOR_SIZE)
+unsigned int sector_size;
+unsigned int buffer_size;
 
 void read_from_pipe(int fd, const char *filename, size_t size)
 {
-	char buffer[SECTOR_SIZE];
+	char *buffer;
 	size_t sz;
 	ssize_t ret;
+	buffer = malloc(buffer_size);
 
 	while (size) {
 		sz = size;
-		if (sz > sizeof buffer)
-			sz = sizeof buffer;
+		if (sz > buffer_size)
+			sz = buffer_size;
 		ret = read(fd, buffer, sz);
 		if (ret < 0)
 			err(1, "read: %s", filename);
@@ -41,6 +42,7 @@  void read_from_pipe(int fd, const char *filename, size_t size)
 		}
 		size -= sz;
 	}
+	free(buffer);
 }
 
 void do_splice1(int fd, const char *filename, size_t size)
@@ -108,7 +110,7 @@  void do_splice2(int fd, const char *filename, size_t size)
 
 void usage(const char *argv0)
 {
-	fprintf(stderr, "USAGE: %s [-rd] {filename}\n", basename(argv0));
+	fprintf(stderr, "USAGE: %s [-rd] [-s sectorsize] {filename}\n", basename(argv0));
 	exit(2);
 }
 
@@ -120,11 +122,22 @@  int main(int argc, char *argv[])
 	int opt, open_flags, fd;
 	ssize_t ret;
 
+	/*
+	 * init default sector_size and buffer_size, might be changed if the -s
+	 * option is specified
+	 */
+	sector_size = 512;
+	buffer_size = 150 * sector_size;
+
 	do_splice = do_splice1;
 	open_flags = O_CREAT | O_TRUNC | O_RDWR | O_DIRECT;
 
-	while ((opt = getopt(argc, argv, "rd")) != -1) {
+	while ((opt = getopt(argc, argv, "rds:")) != -1) {
 		switch(opt) {
+		case 's':
+			sector_size = strtol(optarg, NULL, 0);
+			buffer_size = 150 * sector_size;
+			break;
 		case 'r':
 			do_splice = do_splice2;
 			break;
@@ -145,7 +158,7 @@  int main(int argc, char *argv[])
 		   (open_flags & O_DIRECT) ? "with" : "without");
 	fflush(stdout);
 
-	buffer = memalign(SECTOR_SIZE, BUFFER_SIZE);
+	buffer = memalign(sector_size, buffer_size);
 	if (buffer == NULL)
 		err(1, "memalign");
 
@@ -153,11 +166,11 @@  int main(int argc, char *argv[])
 	if (fd == -1)
 		err(1, "open: %s", filename);
 
-	memset(buffer, 'x', BUFFER_SIZE);
-	ret = write(fd, buffer, BUFFER_SIZE);
+	memset(buffer, 'x', buffer_size);
+	ret = write(fd, buffer, buffer_size);
 	if (ret < 0)
 		err(1, "write: %s", filename);
-	if (ret != BUFFER_SIZE) {
+	if (ret != buffer_size) {
 		fprintf(stderr, "%s: short write\n", filename);
 		exit(1);
 	}
@@ -166,7 +179,7 @@  int main(int argc, char *argv[])
 	if (ret != 0)
 		err(1, "lseek: %s", filename);
 
-	do_splice(fd, filename, BUFFER_SIZE);
+	do_splice(fd, filename, buffer_size);
 
 	if (unlink(filename) == -1)
 		err(1, "unlink: %s", filename);
diff --git a/src/t_locks_execve b/src/t_locks_execve
new file mode 100755
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literal 0
HcmV?d00001

diff --git a/tests/generic/591 b/tests/generic/591
index 5efc5136..4de50e2a 100755
--- a/tests/generic/591
+++ b/tests/generic/591
@@ -24,9 +24,11 @@  _require_test
 _require_odirect
 _require_test_program "splice-test"
 
-$here/src/splice-test -r $TEST_DIR/a
+diosize=`_min_dio_alignment $TEST_DEV`
+
+$here/src/splice-test -s $diosize -r $TEST_DIR/a
 $here/src/splice-test -rd $TEST_DIR/a
-$here/src/splice-test $TEST_DIR/a
+$here/src/splice-test -s $diosize $TEST_DIR/a
 $here/src/splice-test -d $TEST_DIR/a
 
 # success, all done