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From: Zorro Lang <zlang@kernel.org>
To: fstests@vger.kernel.org
Subject: [PATCH 4/5] generic/591: use proper sector size
Date: Sun, 29 May 2022 18:55:04 +0800	[thread overview]
Message-ID: <20220529105505.667891-5-zlang@kernel.org> (raw)
In-Reply-To: <20220529105505.667891-1-zlang@kernel.org>

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

diff --git a/src/dmiperf b/src/dmiperf
new file mode 100755
index 0000000000000000000000000000000000000000..da9aa46bbc7dd5bed88e6bdcadaa5923a34ea1b3
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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
-- 
2.31.1


  parent reply	other threads:[~2022-05-29 10:55 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-29 10:55 [PATCH 0/5] random fixes for fstests Zorro Lang
2022-05-29 10:55 ` [PATCH 1/5] generic/139: require 512 bytes to be the minimum dio size Zorro Lang
2022-05-30  0:11   ` Dave Chinner
2022-05-29 10:55 ` [PATCH 2/5] generic/506: call _require_quota before _qmount Zorro Lang
2022-05-30  0:12   ` Dave Chinner
2022-05-29 10:55 ` [PATCH 3/5] generic/591: remove redundant output from golden image Zorro Lang
2022-05-30  0:44   ` Dave Chinner
2022-05-30  5:43     ` Zorro Lang
2022-05-29 10:55 ` Zorro Lang [this message]
2022-05-29 23:57   ` [PATCH 4/5] generic/591: use proper sector size Dave Chinner
2022-05-30  6:02     ` Zorro Lang
2022-05-29 10:55 ` [PATCH 5/5] generic/623: add overlay into the blacklist Zorro Lang
2022-05-30  5:54   ` Amir Goldstein
2022-05-30  6:22     ` Zorro Lang

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