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-rw-r--r--tests/fs-tests/integrity/integck.c149
1 files changed, 137 insertions, 12 deletions
diff --git a/tests/fs-tests/integrity/integck.c b/tests/fs-tests/integrity/integck.c
index 0d69ee4..1816461 100644
--- a/tests/fs-tests/integrity/integck.c
+++ b/tests/fs-tests/integrity/integck.c
@@ -2268,15 +2268,21 @@ static int remount_tested_fs(void)
flags = fsinfo.mount_flags | MS_RDONLY | MS_REMOUNT;
ret = mount(fsinfo.fsdev, fsinfo.mount_point, fsinfo.fstype,
flags, fsinfo.mount_opts);
- if (ret)
+ if (ret) {
+ pcv("cannot remount %s R/O (1)",
+ fsinfo.mount_point);
return -1;
+ }
flags = fsinfo.mount_flags | MS_REMOUNT;
flags &= ~((unsigned long)MS_RDONLY);
ret = mount(fsinfo.fsdev, fsinfo.mount_point, fsinfo.fstype,
flags, fsinfo.mount_opts);
- if (ret)
+ if (ret) {
+ pcv("remounted %s R/O (1), but cannot re-mount it R/W",
+ fsinfo.mount_point);
return -1;
+ }
}
if (um) {
@@ -2284,31 +2290,47 @@ static int remount_tested_fs(void)
flags = fsinfo.mount_flags | MS_RDONLY | MS_REMOUNT;
ret = mount(fsinfo.fsdev, fsinfo.mount_point,
fsinfo.fstype, flags, fsinfo.mount_opts);
- if (ret)
+ if (ret) {
+ pcv("cannot remount %s R/O (2)",
+ fsinfo.mount_point);
return -1;
+ }
}
- CHECK(umount(fsinfo.mount_point) != -1);
+ ret = umount(fsinfo.mount_point);
+ if (ret) {
+ pcv("cannot unmount %s", fsinfo.mount_point);
+ return -1;
+ }
if (!um_rorw) {
ret = mount(fsinfo.fsdev, fsinfo.mount_point,
fsinfo.fstype, fsinfo.mount_flags,
fsinfo.mount_opts);
- if (ret)
+ if (ret) {
+ pcv("unmounted %s, but cannot mount it back R/W",
+ fsinfo.mount_point);
return -1;
+ }
} else {
ret = mount(fsinfo.fsdev, fsinfo.mount_point,
fsinfo.fstype, fsinfo.mount_flags | MS_RDONLY,
fsinfo.mount_opts);
- if (ret)
+ if (ret) {
+ pcv("unmounted %s, but cannot mount it back R/O",
+ fsinfo.mount_point);
return -1;
+ }
flags = fsinfo.mount_flags | MS_REMOUNT;
flags &= ~((unsigned long)MS_RDONLY);
ret = mount(fsinfo.fsdev, fsinfo.mount_point,
fsinfo.fstype, flags, fsinfo.mount_opts);
- if (ret)
+ if (ret) {
+ pcv("unmounted %s, mounted R/O, but cannot re-mount it R/W",
+ fsinfo.mount_point);
return -1;
+ }
}
}
@@ -2316,15 +2338,20 @@ static int remount_tested_fs(void)
flags = fsinfo.mount_flags | MS_RDONLY | MS_REMOUNT;
ret = mount(fsinfo.fsdev, fsinfo.mount_point, fsinfo.fstype,
flags, fsinfo.mount_opts);
- if (ret)
+ if (ret) {
+ pcv("cannot re-mount %s R/O (3)", fsinfo.mount_point);
return -1;
+ }
flags = fsinfo.mount_flags | MS_REMOUNT;
flags &= ~((unsigned long)MS_RDONLY);
ret = mount(fsinfo.fsdev, fsinfo.mount_point, fsinfo.fstype,
flags, fsinfo.mount_opts);
- if (ret)
+ if (ret) {
+ pcv("remounted %s R/O (3), but cannot re-mount it back R/W",
+ fsinfo.mount_point);
return -1;
+ }
}
/* Restore the previous working directory */
@@ -2664,9 +2691,91 @@ static void free_fs_info(struct dir_info *dir)
}
}
+/**
+ * Recover the tested file-system from an emulated power cut failure by
+ * unmounting it and mounting it again.
+ */
+static int recover_tested_fs(void)
+{
+ char *wd_save;
+ int ret;
+ unsigned long flags;
+ unsigned int um_rorw, rorw2;
+
+ /* Save current working directory */
+ wd_save = malloc(PATH_MAX + 1);
+ CHECK(wd_save != NULL);
+ CHECK(getcwd(wd_save, PATH_MAX + 1) != NULL);
+
+ /* Temporarily change working directory to '/' */
+ CHECK(chdir("/") == 0);
+
+ /* Choose what to do */
+ um_rorw = rand() & 1;
+ rorw2 = rand() & 1;
+
+ CHECK(umount(fsinfo.mount_point) != -1);
+
+ if (!um_rorw) {
+ ret = mount(fsinfo.fsdev, fsinfo.mount_point,
+ fsinfo.fstype, fsinfo.mount_flags,
+ fsinfo.mount_opts);
+ if (ret) {
+ pcv("unmounted %s, but cannot mount it back R/W",
+ fsinfo.mount_point);
+ return -1;
+ }
+ } else {
+ ret = mount(fsinfo.fsdev, fsinfo.mount_point,
+ fsinfo.fstype, fsinfo.mount_flags | MS_RDONLY,
+ fsinfo.mount_opts);
+ if (ret) {
+ pcv("unmounted %s, but cannot mount it back R/O",
+ fsinfo.mount_point);
+ return -1;
+ }
+
+ flags = fsinfo.mount_flags | MS_REMOUNT;
+ flags &= ~((unsigned long)MS_RDONLY);
+ ret = mount(fsinfo.fsdev, fsinfo.mount_point,
+ fsinfo.fstype, flags, fsinfo.mount_opts);
+ if (ret) {
+ pcv("unmounted %s, mounted R/O, but cannot re-mount it R/W",
+ fsinfo.mount_point);
+ return -1;
+ }
+ }
+
+ if (rorw2) {
+ flags = fsinfo.mount_flags | MS_RDONLY | MS_REMOUNT;
+ ret = mount(fsinfo.fsdev, fsinfo.mount_point, fsinfo.fstype,
+ flags, fsinfo.mount_opts);
+ if (ret) {
+ pcv("cannot re-mount %s R/O", fsinfo.mount_point);
+ return -1;
+ }
+
+ flags = fsinfo.mount_flags | MS_REMOUNT;
+ flags &= ~((unsigned long)MS_RDONLY);
+ ret = mount(fsinfo.fsdev, fsinfo.mount_point, fsinfo.fstype,
+ flags, fsinfo.mount_opts);
+ if (ret) {
+ pcv("remounted %s R/O, but cannot re-mount it back R/W",
+ fsinfo.mount_point);
+ return -1;
+ }
+ }
+
+ /* Restore the previous working directory */
+ CHECK(chdir(wd_save) == 0);
+ free(wd_save);
+ return 0;
+}
+
int main(int argc, char *argv[])
{
int ret;
+ unsigned long long restart_count = 0;
ret = parse_opts(argc, argv);
if (ret)
@@ -2703,11 +2812,27 @@ int main(int argc, char *argv[])
* testing mode. Re-mount the file-system and re-start the
* test.
*/
+ if (args.verbose)
+ normsg("re-mount the FS and re-start - count %llu",
+ ++restart_count);
+
close_open_files();
free_fs_info(top_dir);
- ret = remount_tested_fs();
- if (ret)
- break;
+
+ do {
+ ret = recover_tested_fs();
+ if (ret) {
+ if (errno != EROFS)
+ goto out_free;
+ /*
+ * Mount may also fail due to an emulated power
+ * cut while mounting - keep re-starting.
+ */
+ if (args.verbose)
+ normsg("could not mount, restart - count %llu",
+ ++restart_count);
+ }
+ } while (ret);
}
close_open_files();