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#include <string>
#include <unistd.h>
#include <include/fs_types.h>
#include <mds/mdstypes.h>
#include <include/cephfs/libcephfs.h>
#define MAX_CEPH_FILES 1000
#define DIRNAME "ino_release_cb"
static std::atomic<bool> cb_done = false;
static void cb(void *hdl, vinodeno_t vino)
{
cb_done = true;
}
int main(int argc, char *argv[])
{
inodeno_t inos[MAX_CEPH_FILES];
struct ceph_mount_info *cmount = NULL;
ceph_create(&cmount, "admin");
ceph_conf_read_file(cmount, NULL);
ceph_init(cmount);
[[maybe_unused]] int ret = ceph_mount(cmount, NULL);
assert(ret >= 0);
ret = ceph_mkdir(cmount, DIRNAME, 0755);
assert(ret >= 0);
ret = ceph_chdir(cmount, DIRNAME);
assert(ret >= 0);
/* Create a bunch of files, get their inode numbers and close them */
int i;
for (i = 0; i < MAX_CEPH_FILES; ++i) {
int fd;
struct ceph_statx stx;
string name = std::to_string(i);
fd = ceph_open(cmount, name.c_str(), O_RDWR|O_CREAT, 0644);
assert(fd >= 0);
ret = ceph_fstatx(cmount, fd, &stx, CEPH_STATX_INO, 0);
assert(ret >= 0);
inos[i] = stx.stx_ino;
ceph_close(cmount, fd);
}
/* Remount */
ceph_unmount(cmount);
ceph_release(cmount);
ceph_create(&cmount, "admin");
ceph_conf_read_file(cmount, NULL);
ceph_init(cmount);
struct ceph_client_callback_args args = { 0 };
args.ino_release_cb = cb;
ceph_ll_register_callbacks(cmount, &args);
ret = ceph_mount(cmount, NULL);
assert(ret >= 0);
Inode *inodes[MAX_CEPH_FILES];
for (i = 0; i < MAX_CEPH_FILES; ++i) {
/* We can stop if we got a callback */
if (cb_done)
break;
ret = ceph_ll_lookup_inode(cmount, inos[i], &inodes[i]);
assert(ret >= 0);
}
sleep(45);
assert(cb_done);
ceph_unmount(cmount);
ceph_release(cmount);
return 0;
}
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