void test15(void)
{
int rc;
int fd;
uint64_t count;
struct llapi_layout *layout;
char path[PATH_MAX];
snprintf(path, sizeof(path), "%s/%s", lustre_dir, T15FILE);
rc = unlink(path);
ASSERTF(rc >= 0 || errno == ENOENT, "errno = %d", errno);
layout = llapi_layout_alloc();
ASSERTF(layout != NULL, "errno = %d", errno);
rc = llapi_layout_stripe_count_set(layout, T15_STRIPE_COUNT);
ASSERTF(rc == 0, "errno = %d", errno);
errno = 0;
fd = llapi_layout_file_create(path, 0, 0640, layout);
ASSERTF(fd >= 0, "fd = %d, errno = %d", fd, errno);
rc = close(fd);
ASSERTF(rc == 0, "errno = %d", errno);
rc = llapi_layout_stripe_count_set(layout, T15_STRIPE_COUNT - 1);
errno = 0;
fd = llapi_layout_file_open(path, 0, 0640, layout);
ASSERTF(fd >= 0, "fd = %d, errno = %d", fd, errno);
rc = close(fd);
ASSERTF(rc == 0, "errno = %d", errno);
llapi_layout_free(layout);
layout = llapi_layout_get_by_path(path, 0);
ASSERTF(layout != NULL, "errno = %d", errno);
rc = llapi_layout_stripe_count_get(layout, &count);
ASSERTF(rc == 0 && count == T15_STRIPE_COUNT,
"rc = %d, %"PRIu64" != %d", rc, count, T15_STRIPE_COUNT);
llapi_layout_free(layout);
}
/**
* Create a file with a given \a layout.
*
* Force O_CREAT and O_EXCL flags on so caller is assured that file was
* created with the given \a layout on successful function return.
*
* \param[in] path name of the file to open
* \param[in] open_flags open() flags
* \param[in] mode permissions to create new file with
* \param[in] layout layout to create new file with
*
* \retval non-negative file descriptor on successful open
* \retval -1 if an error occurred
*/
int llapi_layout_file_create(const char *path, int open_flags, int mode,
const struct llapi_layout *layout)
{
return llapi_layout_file_open(path, open_flags|O_CREAT|O_EXCL, mode,
layout);
}
