diff options
Diffstat (limited to 'tests/bugs/write-behind')
| -rw-r--r-- | tests/bugs/write-behind/bug-1279730.c | 131 | ||||
| -rwxr-xr-x | tests/bugs/write-behind/bug-1279730.t | 31 |
2 files changed, 162 insertions, 0 deletions
diff --git a/tests/bugs/write-behind/bug-1279730.c b/tests/bugs/write-behind/bug-1279730.c new file mode 100644 index 00000000000..535d289c582 --- /dev/null +++ b/tests/bugs/write-behind/bug-1279730.c @@ -0,0 +1,131 @@ +#include <stdio.h> +#include <string.h> +#include <errno.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <unistd.h> +#include <assert.h> + +int +main (int argc, char *argv[]) +{ + int fd = -1, ret = -1, len = 0; + char *path = NULL, buf[128] = {0, }, *cmd = NULL; + struct stat stbuf = {0, }; + int write_to_child[2] = {0, }, write_to_parent[2] = {0, }; + + path = argv[1]; + cmd = argv[2]; + + assert (argc == 3); + + ret = pipe (write_to_child); + if (ret < 0) { + fprintf (stderr, "creation of write-to-child pipe failed " + "(%s)\n", strerror (errno)); + goto out; + } + + ret = pipe (write_to_parent); + if (ret < 0) { + fprintf (stderr, "creation of write-to-parent pipe failed " + "(%s)\n", strerror (errno)); + goto out; + } + + ret = fork (); + switch (ret) { + case 0: + close (write_to_child[1]); + close (write_to_parent[0]); + + /* child, wait for instructions to execute command */ + ret = read (write_to_child[0], buf, 128); + if (ret < 0) { + fprintf (stderr, "child: read on pipe failed (%s)\n", + strerror (errno)); + goto out; + } + + system (cmd); + + ret = write (write_to_parent[1], "1", 2); + if (ret < 0) { + fprintf (stderr, "child: write to pipe failed (%s)\n", + strerror (errno)); + goto out; + } + break; + + case -1: + fprintf (stderr, "fork failed (%s)\n", strerror (errno)); + goto out; + + default: + close (write_to_parent[1]); + close (write_to_child[0]); + + fd = open (path, O_CREAT | O_RDWR | O_APPEND, S_IRWXU); + if (fd < 0) { + fprintf (stderr, "open failed (%s)\n", + strerror (errno)); + goto out; + } + + len = strlen ("test-content") + 1; + ret = write (fd, "test-content", len); + + if (ret < len) { + fprintf (stderr, "write failed %d (%s)\n", ret, + strerror (errno)); + } + + ret = pread (fd, buf, 128, 0); + if ((ret == len) && (strcmp (buf, "test-content") == 0)) { + fprintf (stderr, "read should've failed as previous " + "write would've failed with EDQUOT, but its " + "successful"); + ret = -1; + goto out; + } + + ret = write (write_to_child[1], "1", 2); + if (ret < 0) { + fprintf (stderr, "parent: write to pipe failed (%s)\n", + strerror (errno)); + goto out; + } + + ret = read (write_to_parent[0], buf, 128); + if (ret < 0) { + fprintf (stderr, "parent: read from pipe failed (%s)\n", + strerror (errno)); + goto out; + } + + /* this will force a sync on cached-write and now that quota + limit is increased, sync will be successful. ignore return + value as fstat would fail with EDQUOT (picked up from + cached-write because of previous sync failure. + */ + fstat (fd, &stbuf); + + ret = pread (fd, buf, 128, 0); + if (ret != len) { + fprintf (stderr, "post cmd read failed %d (data:%s) " + "(error:%s)\n", ret, buf, strerror (errno)); + goto out; + } + + if (strcmp (buf, "test-content")) { + fprintf (stderr, "wrong data (%s)\n", buf); + goto out; + } + } + + ret = 0; + +out: + return ret; +} diff --git a/tests/bugs/write-behind/bug-1279730.t b/tests/bugs/write-behind/bug-1279730.t new file mode 100755 index 00000000000..38e564b7afc --- /dev/null +++ b/tests/bugs/write-behind/bug-1279730.t @@ -0,0 +1,31 @@ +#!/bin/bash + +. $(dirname $0)/../../include.rc +. $(dirname $0)/../../volume.rc +. $(dirname $0)/../../fileio.rc + +cleanup; + +## Start and create a volume +TEST glusterd; +TEST pidof glusterd; +TEST $CLI volume info; + +TEST $CLI volume create $V0 $H0:$B0/$V0; +TEST $CLI volume start $V0; +TEST $CLI volume quota $V0 enable +TEST $CLI volume quota $V0 limit-usage / 4 + +TEST glusterfs --entry-timeout=0 --attribute-timeout=0 -s $H0 --volfile-id $V0 $M0 + +# compile the test program and run it +TEST $CC -O0 -g3 $(dirname $0)/bug-1279730.c -o $(dirname $0)/bug-1279730 + +TEST $(dirname $0)/bug-1279730 $M0/file "\"$CLI volume quota $V0 limit-usage / 1024\"" + +EXPECT_WITHIN $UMOUNT_TIMEOUT "Y" force_umount $M0 + +TEST $CLI volume stop $V0; +TEST $CLI volume delete $V0; + +cleanup; |