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tests/9pfs: add local Tunlinkat hard link test 

This test case uses a Tunlinkat request to remove a previously hard
linked file by using the 9pfs 'local' fs driver.

Signed-off-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Message-Id: <9bec33a7d8f006ef8f80517985d0d6ac48650d53.1603285620.git.qemu_oss@crudebyte.com>
Signed-off-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
This commit is contained in:
Christian Schoenebeck 2020-10-21 14:55:46 +02:00
parent 64e3d40322
commit 4d0746e213
1 changed files with 30 additions and 0 deletions
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30
tests/qtest/virtio-9p-test.c
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@ -1391,6 +1391,34 @@ static void fs_hardlink_file(void *obj, void *data, QGuestAllocator *t_alloc)
g_free(real_file);
}
static void fs_unlinkat_hardlink(void *obj, void *data,
QGuestAllocator *t_alloc)
{
QVirtio9P *v9p = obj;
alloc = t_alloc;
struct stat st_real, st_link;
char *real_file = virtio_9p_test_path("08/real_file");
char *hardlink_file = virtio_9p_test_path("08/hardlink_file");
do_attach(v9p);
do_mkdir(v9p, "/", "08");
do_lcreate(v9p, "08", "real_file");
g_assert(stat(real_file, &st_real) == 0);
g_assert((st_real.st_mode & S_IFMT) == S_IFREG);
do_hardlink(v9p, "08", "hardlink_file", "08/real_file");
g_assert(stat(hardlink_file, &st_link) == 0);
do_unlinkat(v9p, "08", "hardlink_file", 0);
/* symlink should be gone now */
g_assert(stat(hardlink_file, &st_link) != 0);
/* and old file should still exist */
g_assert(stat(real_file, &st_real) == 0);
g_free(hardlink_file);
g_free(real_file);
}
static void *assign_9p_local_driver(GString *cmd_line, void *arg)
{
virtio_9p_assign_local_driver(cmd_line, "security_model=mapped-xattr");
@ -1438,6 +1466,8 @@ static void register_virtio_9p_test(void)
qos_add_test("local/unlinkat_symlink", "virtio-9p", fs_unlinkat_symlink,
&opts);
qos_add_test("local/hardlink_file", "virtio-9p", fs_hardlink_file, &opts);
qos_add_test("local/unlinkat_hardlink", "virtio-9p", fs_unlinkat_hardlink,
&opts);
}
libqos_init(register_virtio_9p_test);