[LTP] [PATCH 4/5] syscalls/fanotify03: add test for FAN_MARK_FILESYSTEM permission events
Amir Goldstein
amir73il@gmail.com
Fri Nov 16 07:51:18 CET 2018
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
---
.../kernel/syscalls/fanotify/fanotify03.c | 25 ++++++++++++++++---
1 file changed, 22 insertions(+), 3 deletions(-)
diff --git a/testcases/kernel/syscalls/fanotify/fanotify03.c b/testcases/kernel/syscalls/fanotify/fanotify03.c
index 19daf57ef..5c105ed32 100644
--- a/testcases/kernel/syscalls/fanotify/fanotify03.c
+++ b/testcases/kernel/syscalls/fanotify/fanotify03.c
@@ -46,6 +46,7 @@ static unsigned long long event_set[EVENT_MAX];
static unsigned int event_resp[EVENT_MAX];
static char event_buf[EVENT_BUF_LEN];
+static int support_perm_events;
static struct tcase {
const char *tname;
@@ -59,6 +60,10 @@ static struct tcase {
"mount mark permission events",
INIT_FANOTIFY_MARK_TYPE(MOUNT),
},
+ {
+ "filesystem mark permission events",
+ INIT_FANOTIFY_MARK_TYPE(FILESYSTEM),
+ },
};
static void generate_events(void)
@@ -134,7 +139,7 @@ static void check_child(void)
tst_res(TFAIL, "child %s", tst_strstatus(child_ret));
}
-static void setup_mark(unsigned int n)
+static int setup_mark(unsigned int n)
{
struct tcase *tc = &tcases[n];
struct fanotify_mark_type *mark = &tc->mark;
@@ -144,7 +149,12 @@ static void setup_mark(unsigned int n)
if (fanotify_mark(fd_notify, FAN_MARK_ADD | mark->flag,
FAN_ACCESS_PERM | FAN_OPEN_PERM,
AT_FDCWD, fname) < 0) {
- if (errno == EINVAL) {
+ if (errno == EINVAL && support_perm_events &&
+ mark->flag == FAN_MARK_FILESYSTEM) {
+ tst_res(TCONF,
+ "FAN_MARK_FILESYSTEM not supported in kernel?");
+ return -1;
+ } else if (errno == EINVAL) {
tst_brk(TCONF | TERRNO,
"CONFIG_FANOTIFY_ACCESS_PERMISSIONS not "
"configured in kernel?");
@@ -155,9 +165,16 @@ static void setup_mark(unsigned int n)
"AT_FDCWD, %s) failed.",
fd_notify, mark->name, fname);
}
+ } else {
+ /*
+ * To distigouish between perm event not supported and
+ * filesystem mark not supported.
+ */
+ support_perm_events = 1;
}
tst_res(TINFO, "Test #%d: %s", n, tc->tname);
+ return 0;
}
static void test_fanotify(unsigned int n)
@@ -165,7 +182,9 @@ static void test_fanotify(unsigned int n)
int tst_count;
int ret, len = 0, i = 0, test_num = 0;
- setup_mark(n);
+ if (setup_mark(n) != 0)
+ return;
+
run_child();
tst_count = 0;
--
2.17.1
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