ceph/src/libcephfs.cc
Jeff Layton 28988655b0 libcephfs: vet the CEPH_REQ_* flags in the C wrappers
Ensure that we can add new flags in the future by not allowing anyone
to set flags that we don't currently recognize.

Fixes: http://tracker.ceph.com/issues/17911
Signed-off-by: Jeff Layton <jlayton@redhat.com>
2016-11-18 13:59:49 -05:00

1762 lines
45 KiB
C++

// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
/*
* Ceph - scalable distributed file system
*
* Copyright (C) 2009-2011 New Dream Network
*
* This is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software
* Foundation. See file COPYING.
*
*/
#include <fcntl.h>
#include <iostream>
#include <string.h>
#include <string>
#include "auth/Crypto.h"
#include "client/Client.h"
#include "librados/RadosClient.h"
#include "common/Mutex.h"
#include "common/ceph_argparse.h"
#include "common/common_init.h"
#include "common/config.h"
#include "common/version.h"
#include "mon/MonClient.h"
#include "include/str_list.h"
#include "messages/MMonMap.h"
#include "msg/Messenger.h"
#include "include/assert.h"
#include "include/cephfs/libcephfs.h"
struct ceph_mount_info
{
public:
explicit ceph_mount_info(CephContext *cct_)
: default_perms(),
mounted(false),
inited(false),
client(NULL),
monclient(NULL),
messenger(NULL),
cct(cct_)
{
if (cct_ != nullptr) {
cct->get();
}
}
~ceph_mount_info()
{
try {
shutdown();
if (cct) {
cct->put();
cct = NULL;
}
}
catch (const std::exception& e) {
// we shouldn't get here, but if we do, we want to know about it.
lderr(cct) << "ceph_mount_info::~ceph_mount_info: caught exception: "
<< e.what() << dendl;
}
catch (...) {
// ignore
}
}
int init()
{
common_init_finish(cct);
int ret;
//monmap
monclient = new MonClient(cct);
ret = -CEPHFS_ERROR_MON_MAP_BUILD; //defined in libcephfs.h;
if (monclient->build_initial_monmap() < 0)
goto fail;
//network connection
messenger = Messenger::create_client_messenger(cct, "client");
//at last the client
ret = -CEPHFS_ERROR_NEW_CLIENT; //defined in libcephfs.h;
client = new Client(messenger, monclient);
if (!client)
goto fail;
ret = -CEPHFS_ERROR_MESSENGER_START; //defined in libcephfs.h;
if (messenger->start() != 0)
goto fail;
ret = client->init();
if (ret)
goto fail;
default_perms = Client::pick_my_perms(cct);
inited = true;
return 0;
fail:
shutdown();
return ret;
}
int mount(const std::string &mount_root, const UserPerm& perms)
{
int ret;
if (mounted)
return -EISCONN;
if (!inited) {
ret = init();
if (ret != 0) {
return ret;
}
}
ret = client->mount(mount_root, perms);
if (ret) {
shutdown();
return ret;
} else {
mounted = true;
return 0;
}
}
int unmount()
{
if (!mounted)
return -ENOTCONN;
shutdown();
return 0;
}
void shutdown()
{
if (mounted) {
client->unmount();
mounted = false;
}
if (inited) {
client->shutdown();
inited = false;
}
if (messenger) {
messenger->shutdown();
messenger->wait();
delete messenger;
messenger = NULL;
}
if (monclient) {
delete monclient;
monclient = NULL;
}
if (client) {
delete client;
client = NULL;
}
}
bool is_initialized() const
{
return inited;
}
bool is_mounted()
{
return mounted;
}
int conf_read_file(const char *path_list)
{
int ret = cct->_conf->parse_config_files(path_list, NULL, 0);
if (ret)
return ret;
cct->_conf->apply_changes(NULL);
cct->_conf->complain_about_parse_errors(cct);
return 0;
}
int conf_parse_argv(int argc, const char **argv)
{
int ret;
vector<const char*> args;
argv_to_vec(argc, argv, args);
ret = cct->_conf->parse_argv(args);
if (ret)
return ret;
cct->_conf->apply_changes(NULL);
return 0;
}
int conf_parse_env(const char *name)
{
md_config_t *conf = cct->_conf;
vector<const char*> args;
env_to_vec(args, name);
int ret = conf->parse_argv(args);
if (ret)
return ret;
conf->apply_changes(NULL);
return 0;
}
int conf_set(const char *option, const char *value)
{
int ret = cct->_conf->set_val(option, value);
if (ret)
return ret;
cct->_conf->apply_changes(NULL);
return 0;
}
int conf_get(const char *option, char *buf, size_t len)
{
char *tmp = buf;
return cct->_conf->get_val(option, &tmp, len);
}
Client *get_client()
{
return client;
}
const char *get_cwd(const UserPerm& perms)
{
client->getcwd(cwd, perms);
return cwd.c_str();
}
int chdir(const char *to, const UserPerm& perms)
{
return client->chdir(to, cwd, perms);
}
CephContext *get_ceph_context() const {
return cct;
}
UserPerm default_perms;
private:
bool mounted;
bool inited;
Client *client;
MonClient *monclient;
Messenger *messenger;
CephContext *cct;
std::string cwd;
};
static void do_out_buffer(bufferlist& outbl, char **outbuf, size_t *outbuflen)
{
if (outbuf) {
if (outbl.length() > 0) {
*outbuf = (char *)malloc(outbl.length());
memcpy(*outbuf, outbl.c_str(), outbl.length());
} else {
*outbuf = NULL;
}
}
if (outbuflen)
*outbuflen = outbl.length();
}
static void do_out_buffer(string& outbl, char **outbuf, size_t *outbuflen)
{
if (outbuf) {
if (outbl.length() > 0) {
*outbuf = (char *)malloc(outbl.length());
memcpy(*outbuf, outbl.c_str(), outbl.length());
} else {
*outbuf = NULL;
}
}
if (outbuflen)
*outbuflen = outbl.length();
}
extern "C" UserPerm *ceph_userperm_new(uid_t uid, gid_t gid, int ngids,
gid_t *gidlist)
{
return new (std::nothrow) UserPerm(uid, gid, ngids, gidlist);
}
extern "C" void ceph_userperm_destroy(UserPerm *perm)
{
delete perm;
}
extern "C" const char *ceph_version(int *pmajor, int *pminor, int *ppatch)
{
int major, minor, patch;
const char *v = ceph_version_to_str();
int n = sscanf(v, "%d.%d.%d", &major, &minor, &patch);
if (pmajor)
*pmajor = (n >= 1) ? major : 0;
if (pminor)
*pminor = (n >= 2) ? minor : 0;
if (ppatch)
*ppatch = (n >= 3) ? patch : 0;
return VERSION;
}
extern "C" int ceph_create_with_context(struct ceph_mount_info **cmount, CephContext *cct)
{
*cmount = new struct ceph_mount_info(cct);
return 0;
}
extern "C" int ceph_create_from_rados(struct ceph_mount_info **cmount,
rados_t cluster)
{
auto rados = (librados::RadosClient *) cluster;
auto cct = rados->cct;
cct->get();
return ceph_create_with_context(cmount, cct);
}
extern "C" int ceph_create(struct ceph_mount_info **cmount, const char * const id)
{
CephInitParameters iparams(CEPH_ENTITY_TYPE_CLIENT);
if (id) {
iparams.name.set(CEPH_ENTITY_TYPE_CLIENT, id);
}
CephContext *cct = common_preinit(iparams, CODE_ENVIRONMENT_LIBRARY, 0);
cct->_conf->parse_env(); // environment variables coverride
cct->_conf->apply_changes(NULL);
return ceph_create_with_context(cmount, cct);
}
extern "C" int ceph_unmount(struct ceph_mount_info *cmount)
{
return cmount->unmount();
}
extern "C" int ceph_release(struct ceph_mount_info *cmount)
{
if (cmount->is_mounted())
return -EISCONN;
delete cmount;
return 0;
}
extern "C" void ceph_shutdown(struct ceph_mount_info *cmount)
{
cmount->shutdown();
delete cmount;
}
extern "C" int ceph_conf_read_file(struct ceph_mount_info *cmount, const char *path)
{
return cmount->conf_read_file(path);
}
extern "C" int ceph_conf_parse_argv(struct ceph_mount_info *cmount, int argc,
const char **argv)
{
return cmount->conf_parse_argv(argc, argv);
}
extern "C" int ceph_conf_parse_env(struct ceph_mount_info *cmount, const char *name)
{
return cmount->conf_parse_env(name);
}
extern "C" int ceph_conf_set(struct ceph_mount_info *cmount, const char *option,
const char *value)
{
return cmount->conf_set(option, value);
}
extern "C" int ceph_conf_get(struct ceph_mount_info *cmount, const char *option,
char *buf, size_t len)
{
if (buf == NULL) {
return -EINVAL;
}
return cmount->conf_get(option, buf, len);
}
extern "C" int ceph_mds_command(struct ceph_mount_info *cmount,
const char *mds_spec,
const char **cmd,
size_t cmdlen,
const char *inbuf, size_t inbuflen,
char **outbuf, size_t *outbuflen,
char **outsbuf, size_t *outsbuflen)
{
bufferlist inbl;
bufferlist outbl;
std::vector<string> cmdv;
std::string outs;
if (!cmount->is_initialized()) {
return -ENOTCONN;
}
// Construct inputs
for (size_t i = 0; i < cmdlen; ++i) {
cmdv.push_back(cmd[i]);
}
inbl.append(inbuf, inbuflen);
// Issue remote command
C_SaferCond cond;
int r = cmount->get_client()->mds_command(
mds_spec,
cmdv, inbl,
&outbl, &outs,
&cond);
if (r != 0) {
goto out;
}
// Wait for completion
r = cond.wait();
// Construct outputs
do_out_buffer(outbl, outbuf, outbuflen);
do_out_buffer(outs, outsbuf, outsbuflen);
out:
return r;
}
extern "C" int ceph_init(struct ceph_mount_info *cmount)
{
return cmount->init();
}
extern "C" int ceph_mount(struct ceph_mount_info *cmount, const char *root)
{
std::string mount_root;
if (root)
mount_root = root;
return cmount->mount(mount_root, cmount->default_perms);
}
extern "C" int ceph_is_mounted(struct ceph_mount_info *cmount)
{
return cmount->is_mounted() ? 1 : 0;
}
extern "C" struct UserPerm *ceph_mount_perms(struct ceph_mount_info *cmount)
{
return &cmount->default_perms;
}
extern "C" int ceph_statfs(struct ceph_mount_info *cmount, const char *path,
struct statvfs *stbuf)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->statfs(path, stbuf, cmount->default_perms);
}
extern "C" int ceph_get_local_osd(struct ceph_mount_info *cmount)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->get_local_osd();
}
extern "C" const char* ceph_getcwd(struct ceph_mount_info *cmount)
{
return cmount->get_cwd(cmount->default_perms);
}
extern "C" int ceph_chdir (struct ceph_mount_info *cmount, const char *s)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->chdir(s, cmount->default_perms);
}
extern "C" int ceph_opendir(struct ceph_mount_info *cmount,
const char *name, struct ceph_dir_result **dirpp)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->opendir(name, (dir_result_t **)dirpp, cmount->default_perms);
}
extern "C" int ceph_closedir(struct ceph_mount_info *cmount, struct ceph_dir_result *dirp)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->closedir(reinterpret_cast<dir_result_t*>(dirp));
}
extern "C" struct dirent * ceph_readdir(struct ceph_mount_info *cmount, struct ceph_dir_result *dirp)
{
if (!cmount->is_mounted()) {
/* Client::readdir also sets errno to signal errors. */
errno = ENOTCONN;
return NULL;
}
return cmount->get_client()->readdir(reinterpret_cast<dir_result_t*>(dirp));
}
extern "C" int ceph_readdir_r(struct ceph_mount_info *cmount, struct ceph_dir_result *dirp, struct dirent *de)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->readdir_r(reinterpret_cast<dir_result_t*>(dirp), de);
}
extern "C" int ceph_readdirplus_r(struct ceph_mount_info *cmount, struct ceph_dir_result *dirp,
struct dirent *de, struct ceph_statx *stx, unsigned want,
unsigned flags, struct Inode **out)
{
if (!cmount->is_mounted())
return -ENOTCONN;
if (flags & ~CEPH_REQ_FLAG_MASK)
return -EINVAL;
return cmount->get_client()->readdirplus_r(reinterpret_cast<dir_result_t*>(dirp), de, stx, want, flags, out);
}
extern "C" int ceph_getdents(struct ceph_mount_info *cmount, struct ceph_dir_result *dirp,
char *buf, int buflen)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->getdents(reinterpret_cast<dir_result_t*>(dirp), buf, buflen);
}
extern "C" int ceph_getdnames(struct ceph_mount_info *cmount, struct ceph_dir_result *dirp,
char *buf, int buflen)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->getdnames(reinterpret_cast<dir_result_t*>(dirp), buf, buflen);
}
extern "C" void ceph_rewinddir(struct ceph_mount_info *cmount, struct ceph_dir_result *dirp)
{
if (!cmount->is_mounted())
return;
cmount->get_client()->rewinddir(reinterpret_cast<dir_result_t*>(dirp));
}
extern "C" int64_t ceph_telldir(struct ceph_mount_info *cmount, struct ceph_dir_result *dirp)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->telldir(reinterpret_cast<dir_result_t*>(dirp));
}
extern "C" void ceph_seekdir(struct ceph_mount_info *cmount, struct ceph_dir_result *dirp, int64_t offset)
{
if (!cmount->is_mounted())
return;
cmount->get_client()->seekdir(reinterpret_cast<dir_result_t*>(dirp), offset);
}
extern "C" int ceph_link (struct ceph_mount_info *cmount, const char *existing,
const char *newname)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->link(existing, newname, cmount->default_perms);
}
extern "C" int ceph_unlink(struct ceph_mount_info *cmount, const char *path)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->unlink(path, cmount->default_perms);
}
extern "C" int ceph_rename(struct ceph_mount_info *cmount, const char *from,
const char *to)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->rename(from, to, cmount->default_perms);
}
// dirs
extern "C" int ceph_mkdir(struct ceph_mount_info *cmount, const char *path, mode_t mode)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->mkdir(path, mode, cmount->default_perms);
}
extern "C" int ceph_mkdirs(struct ceph_mount_info *cmount, const char *path, mode_t mode)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->mkdirs(path, mode, cmount->default_perms);
}
extern "C" int ceph_rmdir(struct ceph_mount_info *cmount, const char *path)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->rmdir(path, cmount->default_perms);
}
// symlinks
extern "C" int ceph_readlink(struct ceph_mount_info *cmount, const char *path,
char *buf, int64_t size)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->readlink(path, buf, size, cmount->default_perms);
}
extern "C" int ceph_symlink(struct ceph_mount_info *cmount, const char *existing,
const char *newname)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->symlink(existing, newname, cmount->default_perms);
}
extern "C" int ceph_statx(struct ceph_mount_info *cmount, const char *path,
struct ceph_statx *stx, unsigned int want, unsigned int flags)
{
if (!cmount->is_mounted())
return -ENOTCONN;
if (flags & ~CEPH_REQ_FLAG_MASK)
return -EINVAL;
return cmount->get_client()->statx(path, stx, cmount->default_perms,
want, flags);
}
extern "C" int ceph_fsetattrx(struct ceph_mount_info *cmount, int fd,
struct ceph_statx *stx, int mask)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->fsetattrx(fd, stx, mask, cmount->default_perms);
}
extern "C" int ceph_setattrx(struct ceph_mount_info *cmount, const char *relpath,
struct ceph_statx *stx, int mask, int flags)
{
if (!cmount->is_mounted())
return -ENOTCONN;
if (flags & ~CEPH_REQ_FLAG_MASK)
return -EINVAL;
return cmount->get_client()->setattrx(relpath, stx, mask,
cmount->default_perms, flags);
}
// *xattr() calls supporting samba/vfs
extern "C" int ceph_getxattr(struct ceph_mount_info *cmount, const char *path, const char *name, void *value, size_t size)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->getxattr(path, name, value, size, cmount->default_perms);
}
extern "C" int ceph_lgetxattr(struct ceph_mount_info *cmount, const char *path, const char *name, void *value, size_t size)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->lgetxattr(path, name, value, size, cmount->default_perms);
}
extern "C" int ceph_fgetxattr(struct ceph_mount_info *cmount, int fd, const char *name, void *value, size_t size)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->fgetxattr(fd, name, value, size, cmount->default_perms);
}
extern "C" int ceph_listxattr(struct ceph_mount_info *cmount, const char *path, char *list, size_t size)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->listxattr(path, list, size, cmount->default_perms);
}
extern "C" int ceph_llistxattr(struct ceph_mount_info *cmount, const char *path, char *list, size_t size)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->llistxattr(path, list, size, cmount->default_perms);
}
extern "C" int ceph_flistxattr(struct ceph_mount_info *cmount, int fd, char *list, size_t size)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->flistxattr(fd, list, size, cmount->default_perms);
}
extern "C" int ceph_removexattr(struct ceph_mount_info *cmount, const char *path, const char *name)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->removexattr(path, name, cmount->default_perms);
}
extern "C" int ceph_lremovexattr(struct ceph_mount_info *cmount, const char *path, const char *name)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->lremovexattr(path, name, cmount->default_perms);
}
extern "C" int ceph_fremovexattr(struct ceph_mount_info *cmount, int fd, const char *name)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->fremovexattr(fd, name, cmount->default_perms);
}
extern "C" int ceph_setxattr(struct ceph_mount_info *cmount, const char *path, const char *name, const void *value, size_t size, int flags)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->setxattr(path, name, value, size, flags, cmount->default_perms);
}
extern "C" int ceph_lsetxattr(struct ceph_mount_info *cmount, const char *path, const char *name, const void *value, size_t size, int flags)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->lsetxattr(path, name, value, size, flags, cmount->default_perms);
}
extern "C" int ceph_fsetxattr(struct ceph_mount_info *cmount, int fd, const char *name, const void *value, size_t size, int flags)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->fsetxattr(fd, name, value, size, flags, cmount->default_perms);
}
/* end xattr support */
extern "C" int ceph_chmod(struct ceph_mount_info *cmount, const char *path, mode_t mode)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->chmod(path, mode, cmount->default_perms);
}
extern "C" int ceph_fchmod(struct ceph_mount_info *cmount, int fd, mode_t mode)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->fchmod(fd, mode, cmount->default_perms);
}
extern "C" int ceph_chown(struct ceph_mount_info *cmount, const char *path,
int uid, int gid)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->chown(path, uid, gid, cmount->default_perms);
}
extern "C" int ceph_fchown(struct ceph_mount_info *cmount, int fd,
int uid, int gid)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->fchown(fd, uid, gid, cmount->default_perms);
}
extern "C" int ceph_lchown(struct ceph_mount_info *cmount, const char *path,
int uid, int gid)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->lchown(path, uid, gid, cmount->default_perms);
}
extern "C" int ceph_utime(struct ceph_mount_info *cmount, const char *path,
struct utimbuf *buf)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->utime(path, buf, cmount->default_perms);
}
extern "C" int ceph_flock(struct ceph_mount_info *cmount, int fd, int operation,
uint64_t owner)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->flock(fd, operation, owner);
}
extern "C" int ceph_truncate(struct ceph_mount_info *cmount, const char *path,
int64_t size)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->truncate(path, size, cmount->default_perms);
}
// file ops
extern "C" int ceph_mknod(struct ceph_mount_info *cmount, const char *path,
mode_t mode, dev_t rdev)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->mknod(path, mode, cmount->default_perms, rdev);
}
extern "C" int ceph_open(struct ceph_mount_info *cmount, const char *path,
int flags, mode_t mode)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->open(path, flags, cmount->default_perms, mode);
}
extern "C" int ceph_open_layout(struct ceph_mount_info *cmount, const char *path, int flags,
mode_t mode, int stripe_unit, int stripe_count, int object_size, const char *data_pool)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->open(path, flags, cmount->default_perms, mode,
stripe_unit, stripe_count,
object_size, data_pool);
}
extern "C" int ceph_close(struct ceph_mount_info *cmount, int fd)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->close(fd);
}
extern "C" int64_t ceph_lseek(struct ceph_mount_info *cmount, int fd,
int64_t offset, int whence)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->lseek(fd, offset, whence);
}
extern "C" int ceph_read(struct ceph_mount_info *cmount, int fd, char *buf,
int64_t size, int64_t offset)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->read(fd, buf, size, offset);
}
extern "C" int ceph_preadv(struct ceph_mount_info *cmount, int fd,
const struct iovec *iov, int iovcnt, int64_t offset)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->preadv(fd, iov, iovcnt, offset);
}
extern "C" int ceph_write(struct ceph_mount_info *cmount, int fd, const char *buf,
int64_t size, int64_t offset)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->write(fd, buf, size, offset);
}
extern "C" int ceph_pwritev(struct ceph_mount_info *cmount, int fd,
const struct iovec *iov, int iovcnt, int64_t offset)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->pwritev(fd, iov, iovcnt, offset);
}
extern "C" int ceph_ftruncate(struct ceph_mount_info *cmount, int fd, int64_t size)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->ftruncate(fd, size, cmount->default_perms);
}
extern "C" int ceph_fsync(struct ceph_mount_info *cmount, int fd, int syncdataonly)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->fsync(fd, syncdataonly);
}
extern "C" int ceph_fallocate(struct ceph_mount_info *cmount, int fd, int mode,
int64_t offset, int64_t length)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->fallocate(fd, mode, offset, length);
}
extern "C" int ceph_fstatx(struct ceph_mount_info *cmount, int fd, struct ceph_statx *stx,
unsigned int want, unsigned int flags)
{
if (!cmount->is_mounted())
return -ENOTCONN;
if (flags & ~CEPH_REQ_FLAG_MASK)
return -EINVAL;
return cmount->get_client()->fstatx(fd, stx, cmount->default_perms,
want, flags);
}
extern "C" int ceph_sync_fs(struct ceph_mount_info *cmount)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->sync_fs();
}
extern "C" int ceph_get_file_stripe_unit(struct ceph_mount_info *cmount, int fh)
{
file_layout_t l;
int r;
if (!cmount->is_mounted())
return -ENOTCONN;
r = cmount->get_client()->fdescribe_layout(fh, &l);
if (r < 0)
return r;
return l.stripe_unit;
}
extern "C" int ceph_get_path_stripe_unit(struct ceph_mount_info *cmount, const char *path)
{
file_layout_t l;
int r;
if (!cmount->is_mounted())
return -ENOTCONN;
r = cmount->get_client()->describe_layout(path, &l, cmount->default_perms);
if (r < 0)
return r;
return l.stripe_unit;
}
extern "C" int ceph_get_file_stripe_count(struct ceph_mount_info *cmount, int fh)
{
file_layout_t l;
int r;
if (!cmount->is_mounted())
return -ENOTCONN;
r = cmount->get_client()->fdescribe_layout(fh, &l);
if (r < 0)
return r;
return l.stripe_count;
}
extern "C" int ceph_get_path_stripe_count(struct ceph_mount_info *cmount, const char *path)
{
file_layout_t l;
int r;
if (!cmount->is_mounted())
return -ENOTCONN;
r = cmount->get_client()->describe_layout(path, &l, cmount->default_perms);
if (r < 0)
return r;
return l.stripe_count;
}
extern "C" int ceph_get_file_object_size(struct ceph_mount_info *cmount, int fh)
{
file_layout_t l;
int r;
if (!cmount->is_mounted())
return -ENOTCONN;
r = cmount->get_client()->fdescribe_layout(fh, &l);
if (r < 0)
return r;
return l.object_size;
}
extern "C" int ceph_get_path_object_size(struct ceph_mount_info *cmount, const char *path)
{
file_layout_t l;
int r;
if (!cmount->is_mounted())
return -ENOTCONN;
r = cmount->get_client()->describe_layout(path, &l, cmount->default_perms);
if (r < 0)
return r;
return l.object_size;
}
extern "C" int ceph_get_file_pool(struct ceph_mount_info *cmount, int fh)
{
file_layout_t l;
int r;
if (!cmount->is_mounted())
return -ENOTCONN;
r = cmount->get_client()->fdescribe_layout(fh, &l);
if (r < 0)
return r;
return l.pool_id;
}
extern "C" int ceph_get_path_pool(struct ceph_mount_info *cmount, const char *path)
{
file_layout_t l;
int r;
if (!cmount->is_mounted())
return -ENOTCONN;
r = cmount->get_client()->describe_layout(path, &l, cmount->default_perms);
if (r < 0)
return r;
return l.pool_id;
}
extern "C" int ceph_get_file_pool_name(struct ceph_mount_info *cmount, int fh, char *buf, size_t len)
{
file_layout_t l;
int r;
if (!cmount->is_mounted())
return -ENOTCONN;
r = cmount->get_client()->fdescribe_layout(fh, &l);
if (r < 0)
return r;
string name = cmount->get_client()->get_pool_name(l.pool_id);
if (len == 0)
return name.length();
if (name.length() > len)
return -ERANGE;
strncpy(buf, name.c_str(), len);
return name.length();
}
extern "C" int ceph_get_pool_name(struct ceph_mount_info *cmount, int pool, char *buf, size_t len)
{
if (!cmount->is_mounted())
return -ENOTCONN;
string name = cmount->get_client()->get_pool_name(pool);
if (len == 0)
return name.length();
if (name.length() > len)
return -ERANGE;
strncpy(buf, name.c_str(), len);
return name.length();
}
extern "C" int ceph_get_path_pool_name(struct ceph_mount_info *cmount, const char *path, char *buf, size_t len)
{
file_layout_t l;
int r;
if (!cmount->is_mounted())
return -ENOTCONN;
r = cmount->get_client()->describe_layout(path, &l, cmount->default_perms);
if (r < 0)
return r;
string name = cmount->get_client()->get_pool_name(l.pool_id);
if (len == 0)
return name.length();
if (name.length() > len)
return -ERANGE;
strncpy(buf, name.c_str(), len);
return name.length();
}
extern "C" int ceph_get_file_layout(struct ceph_mount_info *cmount, int fh, int *stripe_unit, int *stripe_count, int *object_size, int *pg_pool)
{
file_layout_t l;
int r;
if (!cmount->is_mounted())
return -ENOTCONN;
r = cmount->get_client()->fdescribe_layout(fh, &l);
if (r < 0)
return r;
if (stripe_unit)
*stripe_unit = l.stripe_unit;
if (stripe_count)
*stripe_count = l.stripe_count;
if (object_size)
*object_size = l.object_size;
if (pg_pool)
*pg_pool = l.pool_id;
return 0;
}
extern "C" int ceph_get_path_layout(struct ceph_mount_info *cmount, const char *path, int *stripe_unit, int *stripe_count, int *object_size, int *pg_pool)
{
file_layout_t l;
int r;
if (!cmount->is_mounted())
return -ENOTCONN;
r = cmount->get_client()->describe_layout(path, &l, cmount->default_perms);
if (r < 0)
return r;
if (stripe_unit)
*stripe_unit = l.stripe_unit;
if (stripe_count)
*stripe_count = l.stripe_count;
if (object_size)
*object_size = l.object_size;
if (pg_pool)
*pg_pool = l.pool_id;
return 0;
}
extern "C" int ceph_get_file_replication(struct ceph_mount_info *cmount, int fh)
{
file_layout_t l;
int r;
if (!cmount->is_mounted())
return -ENOTCONN;
r = cmount->get_client()->fdescribe_layout(fh, &l);
if (r < 0)
return r;
int rep = cmount->get_client()->get_pool_replication(l.pool_id);
return rep;
}
extern "C" int ceph_get_path_replication(struct ceph_mount_info *cmount, const char *path)
{
file_layout_t l;
int r;
if (!cmount->is_mounted())
return -ENOTCONN;
r = cmount->get_client()->describe_layout(path, &l, cmount->default_perms);
if (r < 0)
return r;
int rep = cmount->get_client()->get_pool_replication(l.pool_id);
return rep;
}
extern "C" int ceph_set_default_file_stripe_unit(struct ceph_mount_info *cmount,
int stripe)
{
// this option no longer exists
return -EOPNOTSUPP;
}
extern "C" int ceph_set_default_file_stripe_count(struct ceph_mount_info *cmount,
int count)
{
// this option no longer exists
return -EOPNOTSUPP;
}
extern "C" int ceph_set_default_object_size(struct ceph_mount_info *cmount, int size)
{
// this option no longer exists
return -EOPNOTSUPP;
}
extern "C" int ceph_set_default_file_replication(struct ceph_mount_info *cmount,
int replication)
{
// this option no longer exists
return -EOPNOTSUPP;
}
extern "C" int ceph_set_default_preferred_pg(struct ceph_mount_info *cmount, int osd)
{
// this option no longer exists
return -EOPNOTSUPP;
}
extern "C" int ceph_get_file_extent_osds(struct ceph_mount_info *cmount, int fh,
int64_t offset, int64_t *length, int *osds, int nosds)
{
if (nosds < 0)
return -EINVAL;
if (!cmount->is_mounted())
return -ENOTCONN;
vector<int> vosds;
int ret = cmount->get_client()->get_file_extent_osds(fh, offset, length, vosds);
if (ret < 0)
return ret;
if (!nosds)
return vosds.size();
if ((int)vosds.size() > nosds)
return -ERANGE;
for (int i = 0; i < (int)vosds.size(); i++)
osds[i] = vosds[i];
return vosds.size();
}
extern "C" int ceph_get_osd_crush_location(struct ceph_mount_info *cmount,
int osd, char *path, size_t len)
{
if (!cmount->is_mounted())
return -ENOTCONN;
if (!path && len)
return -EINVAL;
vector<pair<string, string> > loc;
int ret = cmount->get_client()->get_osd_crush_location(osd, loc);
if (ret)
return ret;
size_t needed = 0;
size_t cur = 0;
vector<pair<string, string> >::iterator it;
for (it = loc.begin(); it != loc.end(); ++it) {
string& type = it->first;
string& name = it->second;
needed += type.size() + name.size() + 2;
if (needed <= len) {
strcpy(path + cur, type.c_str());
cur += type.size() + 1;
strcpy(path + cur, name.c_str());
cur += name.size() + 1;
}
}
if (len == 0)
return needed;
if (needed > len)
return -ERANGE;
return needed;
}
extern "C" int ceph_get_osd_addr(struct ceph_mount_info *cmount, int osd,
struct sockaddr_storage *addr)
{
if (!cmount->is_mounted())
return -ENOTCONN;
if (!addr)
return -EINVAL;
entity_addr_t address;
int ret = cmount->get_client()->get_osd_addr(osd, address);
if (ret < 0)
return ret;
*addr = address.get_sockaddr_storage();
return 0;
}
extern "C" int ceph_get_file_stripe_address(struct ceph_mount_info *cmount, int fh,
int64_t offset, struct sockaddr_storage *addr, int naddr)
{
vector<entity_addr_t> address;
unsigned i;
int r;
if (naddr < 0)
return -EINVAL;
if (!cmount->is_mounted())
return -ENOTCONN;
r = cmount->get_client()->get_file_stripe_address(fh, offset, address);
if (r < 0)
return r;
for (i = 0; i < (unsigned)naddr && i < address.size(); i++)
addr[i] = address[i].get_sockaddr_storage();
/* naddr == 0: drop through and return actual size */
if (naddr && (address.size() > (unsigned)naddr))
return -ERANGE;
return address.size();
}
extern "C" int ceph_localize_reads(struct ceph_mount_info *cmount, int val)
{
if (!cmount->is_mounted())
return -ENOTCONN;
if (!val)
cmount->get_client()->clear_filer_flags(CEPH_OSD_FLAG_LOCALIZE_READS);
else
cmount->get_client()->set_filer_flags(CEPH_OSD_FLAG_LOCALIZE_READS);
return 0;
}
extern "C" CephContext *ceph_get_mount_context(struct ceph_mount_info *cmount)
{
return cmount->get_ceph_context();
}
extern "C" int ceph_debug_get_fd_caps(struct ceph_mount_info *cmount, int fd)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->get_caps_issued(fd);
}
extern "C" int ceph_debug_get_file_caps(struct ceph_mount_info *cmount, const char *path)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->get_caps_issued(path, cmount->default_perms);
}
extern "C" int ceph_get_stripe_unit_granularity(struct ceph_mount_info *cmount)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return CEPH_MIN_STRIPE_UNIT;
}
extern "C" int ceph_get_pool_id(struct ceph_mount_info *cmount, const char *pool_name)
{
if (!cmount->is_mounted())
return -ENOTCONN;
if (!pool_name || !pool_name[0])
return -EINVAL;
/* negative range reserved for errors */
int64_t pool_id = cmount->get_client()->get_pool_id(pool_name);
if (pool_id > 0x7fffffff)
return -ERANGE;
/* get_pool_id error codes fit in int */
return (int)pool_id;
}
extern "C" int ceph_get_pool_replication(struct ceph_mount_info *cmount,
int pool_id)
{
if (!cmount->is_mounted())
return -ENOTCONN;
return cmount->get_client()->get_pool_replication(pool_id);
}
/* Low-level exports */
extern "C" int ceph_ll_lookup_root(struct ceph_mount_info *cmount,
Inode **parent)
{
*parent = cmount->get_client()->get_root();
if (*parent)
return 0;
return -EFAULT;
}
extern "C" struct Inode *ceph_ll_get_inode(class ceph_mount_info *cmount,
vinodeno_t vino)
{
return (cmount->get_client())->ll_get_inode(vino);
}
/**
* Populates the client cache with the requested inode, and its
* parent dentry.
*/
extern "C" int ceph_ll_lookup_inode(
struct ceph_mount_info *cmount,
struct inodeno_t ino,
Inode **inode)
{
int r = (cmount->get_client())->lookup_ino(ino, cmount->default_perms, inode);
if (r) {
return r;
}
assert(inode != NULL);
assert(*inode != NULL);
// Request the parent inode, so that we can look up the name
Inode *parent;
r = (cmount->get_client())->lookup_parent(*inode, cmount->default_perms, &parent);
if (r && r != -EINVAL) {
// Unexpected error
(cmount->get_client())->ll_forget(*inode, 1);
return r;
} else if (r == -EINVAL) {
// EINVAL indicates node without parents (root), drop out now
// and don't try to look up the non-existent dentry.
return 0;
}
// FIXME: I don't think this works; lookup_parent() returns 0 if the parent
// is already in cache
assert(parent != NULL);
// Finally, get the name (dentry) of the requested inode
r = (cmount->get_client())->lookup_name(*inode, parent, cmount->default_perms);
if (r) {
// Unexpected error
(cmount->get_client())->ll_forget(parent, 1);
(cmount->get_client())->ll_forget(*inode, 1);
return r;
}
(cmount->get_client())->ll_forget(parent, 1);
return 0;
}
extern "C" int ceph_ll_lookup(struct ceph_mount_info *cmount,
Inode *parent, const char *name, Inode **out,
struct ceph_statx *stx, unsigned want,
unsigned flags, const UserPerm *perms)
{
if (flags & ~CEPH_REQ_FLAG_MASK)
return -EINVAL;
return (cmount->get_client())->ll_lookupx(parent, name, out, stx, want,
flags, *perms);
}
extern "C" int ceph_ll_put(class ceph_mount_info *cmount, Inode *in)
{
return (cmount->get_client()->ll_put(in));
}
extern "C" int ceph_ll_forget(class ceph_mount_info *cmount, Inode *in,
int count)
{
return (cmount->get_client()->ll_forget(in, count));
}
int ceph_ll_walk(struct ceph_mount_info *cmount, const char* name, Inode **i,
struct ceph_statx *stx, unsigned int want, unsigned int flags,
const UserPerm *perms)
{
if (flags & ~CEPH_REQ_FLAG_MASK)
return -EINVAL;
return(cmount->get_client()->ll_walk(name, i, stx, want, flags, *perms));
}
extern "C" int ceph_ll_getattr(class ceph_mount_info *cmount,
Inode *in, struct ceph_statx *stx,
unsigned int want, unsigned int flags,
const UserPerm *perms)
{
if (flags & ~CEPH_REQ_FLAG_MASK)
return -EINVAL;
return (cmount->get_client()->ll_getattrx(in, stx, want, flags, *perms));
}
extern "C" int ceph_ll_setattr(class ceph_mount_info *cmount,
Inode *in, struct ceph_statx *stx,
int mask, const UserPerm *perms)
{
return (cmount->get_client()->ll_setattrx(in, stx, mask, *perms));
}
extern "C" int ceph_ll_open(class ceph_mount_info *cmount, Inode *in,
int flags, Fh **fh, const UserPerm *perms)
{
return (cmount->get_client()->ll_open(in, flags, fh, *perms));
}
extern "C" int ceph_ll_read(class ceph_mount_info *cmount, Fh* filehandle,
int64_t off, uint64_t len, char* buf)
{
bufferlist bl;
int r = 0;
r = cmount->get_client()->ll_read(filehandle, off, len, &bl);
if (r >= 0)
{
bl.copy(0, bl.length(), buf);
r = bl.length();
}
return r;
}
extern "C" int ceph_ll_read_block(class ceph_mount_info *cmount,
Inode *in, uint64_t blockid,
char* buf, uint64_t offset,
uint64_t length,
struct ceph_file_layout* layout)
{
file_layout_t l;
int r = (cmount->get_client()->ll_read_block(in, blockid, buf, offset,
length, &l));
l.to_legacy(layout);
return r;
}
extern "C" int ceph_ll_write_block(class ceph_mount_info *cmount,
Inode *in, uint64_t blockid,
char *buf, uint64_t offset,
uint64_t length,
struct ceph_file_layout *layout,
uint64_t snapseq, uint32_t sync)
{
file_layout_t l;
int r = (cmount->get_client()->ll_write_block(in, blockid, buf, offset,
length, &l, snapseq, sync));
l.to_legacy(layout);
return r;
}
extern "C" int ceph_ll_commit_blocks(class ceph_mount_info *cmount,
Inode *in, uint64_t offset,
uint64_t range)
{
return (cmount->get_client()->ll_commit_blocks(in, offset, range));
}
extern "C" int ceph_ll_fsync(class ceph_mount_info *cmount,
Fh *fh, int syncdataonly)
{
return (cmount->get_client()->ll_fsync(fh, syncdataonly));
}
extern "C" off_t ceph_ll_lseek(class ceph_mount_info *cmount,
Fh *fh, off_t offset, int whence)
{
return (cmount->get_client()->ll_lseek(fh, offset, whence));
}
extern "C" int ceph_ll_write(class ceph_mount_info *cmount,
Fh *fh, int64_t off, uint64_t len,
const char *data)
{
return (cmount->get_client()->ll_write(fh, off, len, data));
}
extern "C" int64_t ceph_ll_readv(class ceph_mount_info *cmount,
struct Fh *fh, const struct iovec *iov,
int iovcnt, int64_t off)
{
return -1; // TODO: implement
}
extern "C" int64_t ceph_ll_writev(class ceph_mount_info *cmount,
struct Fh *fh, const struct iovec *iov,
int iovcnt, int64_t off)
{
return -1; // TODO: implement
}
extern "C" int ceph_ll_close(class ceph_mount_info *cmount, Fh* fh)
{
return (cmount->get_client()->ll_release(fh));
}
extern "C" int ceph_ll_create(class ceph_mount_info *cmount,
Inode *parent, const char *name, mode_t mode,
int oflags, Inode **outp, Fh **fhp,
struct ceph_statx *stx, unsigned want,
unsigned lflags, const UserPerm *perms)
{
if (lflags & ~CEPH_REQ_FLAG_MASK)
return -EINVAL;
return (cmount->get_client())->ll_createx(parent, name, mode, oflags, outp,
fhp, stx, want, lflags, *perms);
}
extern "C" int ceph_ll_mknod(class ceph_mount_info *cmount, Inode *parent,
const char *name, mode_t mode, dev_t rdev,
Inode **out, struct ceph_statx *stx,
unsigned want, unsigned flags,
const UserPerm *perms)
{
if (flags & ~CEPH_REQ_FLAG_MASK)
return -EINVAL;
return (cmount->get_client())->ll_mknodx(parent, name, mode, rdev,
out, stx, want, flags, *perms);
}
extern "C" int ceph_ll_mkdir(class ceph_mount_info *cmount, Inode *parent,
const char *name, mode_t mode, Inode **out,
struct ceph_statx *stx, unsigned want,
unsigned flags, const UserPerm *perms)
{
if (flags & ~CEPH_REQ_FLAG_MASK)
return -EINVAL;
return cmount->get_client()->ll_mkdirx(parent, name, mode, out, stx, want,
flags, *perms);
}
extern "C" int ceph_ll_link(class ceph_mount_info *cmount,
Inode *in, Inode *newparent,
const char *name, const UserPerm *perms)
{
return cmount->get_client()->ll_link(in, newparent, name, *perms);
}
extern "C" int ceph_ll_opendir(class ceph_mount_info *cmount,
Inode *in,
struct ceph_dir_result **dirpp,
const UserPerm *perms)
{
return (cmount->get_client()->ll_opendir(in, O_RDONLY, (dir_result_t**) dirpp,
*perms));
}
extern "C" int ceph_ll_releasedir(class ceph_mount_info *cmount,
ceph_dir_result *dir)
{
(void) cmount->get_client()->ll_releasedir(reinterpret_cast<dir_result_t*>(dir));
return (0);
}
extern "C" int ceph_ll_rename(class ceph_mount_info *cmount,
Inode *parent, const char *name,
Inode *newparent, const char *newname,
const UserPerm *perms)
{
return cmount->get_client()->ll_rename(parent, name, newparent,
newname, *perms);
}
extern "C" int ceph_ll_unlink(class ceph_mount_info *cmount, Inode *in,
const char *name, const UserPerm *perms)
{
return cmount->get_client()->ll_unlink(in, name, *perms);
}
extern "C" int ceph_ll_statfs(class ceph_mount_info *cmount,
Inode *in, struct statvfs *stbuf)
{
return (cmount->get_client()->ll_statfs(in, stbuf, cmount->default_perms));
}
extern "C" int ceph_ll_readlink(class ceph_mount_info *cmount, Inode *in,
char *buf, size_t bufsiz,
const UserPerm *perms)
{
return cmount->get_client()->ll_readlink(in, buf, bufsiz, *perms);
}
extern "C" int ceph_ll_symlink(class ceph_mount_info *cmount,
Inode *in, const char *name,
const char *value, Inode **out,
struct ceph_statx *stx, unsigned want,
unsigned flags, const UserPerm *perms)
{
if (flags & ~CEPH_REQ_FLAG_MASK)
return -EINVAL;
return (cmount->get_client()->ll_symlinkx(in, name, value, out, stx, want,
flags, *perms));
}
extern "C" int ceph_ll_rmdir(class ceph_mount_info *cmount,
Inode *in, const char *name,
const UserPerm *perms)
{
return cmount->get_client()->ll_rmdir(in, name, *perms);
}
extern "C" int ceph_ll_getxattr(class ceph_mount_info *cmount,
Inode *in, const char *name, void *value,
size_t size, const UserPerm *perms)
{
return (cmount->get_client()->ll_getxattr(in, name, value, size, *perms));
}
extern "C" int ceph_ll_listxattr(struct ceph_mount_info *cmount,
Inode *in, char *list,
size_t buf_size, size_t *list_size,
const UserPerm *perms)
{
int res = cmount->get_client()->ll_listxattr(in, list, buf_size, *perms);
if (res >= 0) {
*list_size = (size_t)res;
return 0;
}
return res;
}
extern "C" int ceph_ll_setxattr(class ceph_mount_info *cmount,
Inode *in, const char *name,
const void *value, size_t size,
int flags, const UserPerm *perms)
{
return (cmount->get_client()->ll_setxattr(in, name, value, size, flags, *perms));
}
extern "C" int ceph_ll_removexattr(class ceph_mount_info *cmount,
Inode *in, const char *name,
const UserPerm *perms)
{
return (cmount->get_client()->ll_removexattr(in, name, *perms));
}
extern "C" int ceph_ll_getlk(struct ceph_mount_info *cmount,
Fh *fh, struct flock *fl, uint64_t owner)
{
return (cmount->get_client()->ll_getlk(fh, fl, owner));
}
extern "C" int ceph_ll_setlk(struct ceph_mount_info *cmount,
Fh *fh, struct flock *fl, uint64_t owner,
int sleep)
{
return (cmount->get_client()->ll_setlk(fh, fl, owner, sleep));
}
extern "C" uint32_t ceph_ll_stripe_unit(class ceph_mount_info *cmount,
Inode *in)
{
return (cmount->get_client()->ll_stripe_unit(in));
}
extern "C" uint32_t ceph_ll_file_layout(class ceph_mount_info *cmount,
Inode *in,
struct ceph_file_layout *layout)
{
file_layout_t l;
int r = (cmount->get_client()->ll_file_layout(in, &l));
l.to_legacy(layout);
return r;
}
uint64_t ceph_ll_snap_seq(class ceph_mount_info *cmount, Inode *in)
{
return (cmount->get_client()->ll_snap_seq(in));
}
extern "C" int ceph_ll_get_stripe_osd(class ceph_mount_info *cmount,
Inode *in, uint64_t blockno,
struct ceph_file_layout* layout)
{
file_layout_t l;
int r = (cmount->get_client()->ll_get_stripe_osd(in, blockno, &l));
l.to_legacy(layout);
return r;
}
extern "C" int ceph_ll_num_osds(class ceph_mount_info *cmount)
{
return (cmount->get_client()->ll_num_osds());
}
extern "C" int ceph_ll_osdaddr(class ceph_mount_info *cmount,
int osd, uint32_t *addr)
{
return (cmount->get_client()->ll_osdaddr(osd, addr));
}
extern "C" uint64_t ceph_ll_get_internal_offset(class ceph_mount_info *cmount,
Inode *in,
uint64_t blockno)
{
return (cmount->get_client()->ll_get_internal_offset(in, blockno));
}
extern "C" void ceph_buffer_free(char *buf)
{
if (buf) {
free(buf);
}
}