remove ceph code

[stor4nfv.git] / src / ceph / src / os / filestore / chain_xattr.h

diff --git a/src/ceph/src/os/filestore/chain_xattr.h b/src/ceph/src/os/filestore/chain_xattr.h
deleted file mode 100644 (file)
index 7dba7ef..0000000
--- a/src/ceph/src/os/filestore/chain_xattr.h
+++ /dev/null
@@ -1,182 +0,0 @@
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-// vim: ts=8 sw=2 smarttab
-
-#ifndef __CEPH_OSD_CHAIN_XATTR_H
-#define __CEPH_OSD_CHAIN_XATTR_H
-
-#include "include/compat.h"
-#include <errno.h>
-#include <stdio.h>
-#include "common/xattr.h"
-#include "include/assert.h"
-#include "include/buffer_fwd.h"
-
-#if defined(__linux__)
-#include <linux/limits.h>
-#define CHAIN_XATTR_MAX_NAME_LEN ((XATTR_NAME_MAX + 1) / 2)
-#elif defined(__APPLE__)
-#include <sys/xattr.h>
-#define CHAIN_XATTR_MAX_NAME_LEN ((XATTR_MAXNAMELEN + 1) / 2)
-#else
-#define CHAIN_XATTR_MAX_NAME_LEN  128
-#endif
-
-#define CHAIN_XATTR_MAX_BLOCK_LEN 2048
-
-/*
- * XFS will only inline xattrs < 255 bytes, so for xattrs that are
- * likely to fit in the inode, stripe over short xattrs.
- */
-#define CHAIN_XATTR_SHORT_BLOCK_LEN 250
-#define CHAIN_XATTR_SHORT_LEN_THRESHOLD 1000
-
-// wrappers to hide annoying errno handling.
-
-static inline int sys_fgetxattr(int fd, const char *name, void *val, size_t size)
-{
-  int r = ::ceph_os_fgetxattr(fd, name, val, size);
-  return (r < 0 ? -errno : r);
-}
-static inline int sys_getxattr(const char *fn, const char *name, void *val, size_t size)
-{
-  int r = ::ceph_os_getxattr(fn, name, val, size);
-  return (r < 0 ? -errno : r);
-}
-
-static inline int sys_setxattr(const char *fn, const char *name, const void *val, size_t size)
-{
-  int r = ::ceph_os_setxattr(fn, name, val, size);
-  return (r < 0 ? -errno : r);
-}
-static inline int sys_fsetxattr(int fd, const char *name, const void *val, size_t size)
-{
-  int r = ::ceph_os_fsetxattr(fd, name, val, size);
-  return (r < 0 ? -errno : r);
-}
-
-static inline int sys_listxattr(const char *fn, char *names, size_t len)
-{
-  int r = ::ceph_os_listxattr(fn, names, len);
-  return (r < 0 ? -errno : r);
-}
-static inline int sys_flistxattr(int fd, char *names, size_t len)
-{
-  int r = ::ceph_os_flistxattr(fd, names, len);
-  return (r < 0 ? -errno : r);
-}
-
-static inline int sys_removexattr(const char *fn, const char *name)
-{
-  int r = ::ceph_os_removexattr(fn, name);
-  return (r < 0 ? -errno : r);
-}
-static inline int sys_fremovexattr(int fd, const char *name)
-{
-  int r = ::ceph_os_fremovexattr(fd, name);
-  return (r < 0 ? -errno : r);
-}
-
-
-// wrappers to chain large values across multiple xattrs
-
-int chain_getxattr(const char *fn, const char *name, void *val, size_t size);
-int chain_getxattr_buf(const char *fn, const char *name, bufferptr *bp);
-int chain_fgetxattr(int fd, const char *name, void *val, size_t size);
-
-int get_xattr_block_size(size_t size);
-void get_raw_xattr_name(const char *name, int i, char *raw_name, int raw_len);
-
-template <bool skip_chain_cleanup=false, bool ensure_single_attr=false>
-int chain_setxattr(
-  const char *fn, const char *name, const void *val, size_t size)
-{
-  int i = 0, pos = 0;
-  char raw_name[CHAIN_XATTR_MAX_NAME_LEN * 2 + 16];
-  int ret = 0;
-  size_t max_chunk_size =
-    ensure_single_attr ? size : get_xattr_block_size(size);
-
-  static_assert(
-    !skip_chain_cleanup || ensure_single_attr,
-    "skip_chain_cleanup must imply ensure_single_attr");
-
-  do {
-    size_t chunk_size = (size < max_chunk_size ? size : max_chunk_size);
-    get_raw_xattr_name(name, i, raw_name, sizeof(raw_name));
-    size -= chunk_size;
-
-    int r = sys_setxattr(fn, raw_name, (char *)val + pos, chunk_size);
-    if (r < 0) {
-      ret = r;
-      break;
-    }
-    pos  += chunk_size;
-    ret = pos;
-    i++;
-    assert(size == 0 || !ensure_single_attr);
-  } while (size);
-
-  if (ret >= 0 && !skip_chain_cleanup) {
-    int r;
-    do {
-      get_raw_xattr_name(name, i, raw_name, sizeof(raw_name));
-      r = sys_removexattr(fn, raw_name);
-      if (r < 0 && r != -ENODATA)
-       ret = r;
-      i++;
-    } while (r != -ENODATA);
-  }
-
-  return ret;
-}
-
-template <bool skip_chain_cleanup=false, bool ensure_single_attr=false>
-int chain_fsetxattr(
-  int fd, const char *name, const void *val, size_t size)
-{
-  int i = 0, pos = 0;
-  char raw_name[CHAIN_XATTR_MAX_NAME_LEN * 2 + 16];
-  int ret = 0;
-  size_t max_chunk_size =
-    ensure_single_attr ? size : get_xattr_block_size(size);
-
-  static_assert(
-    !skip_chain_cleanup || ensure_single_attr,
-    "skip_chain_cleanup must imply ensure_single_attr");
-
-  do {
-    size_t chunk_size = (size < max_chunk_size ? size : max_chunk_size);
-    get_raw_xattr_name(name, i, raw_name, sizeof(raw_name));
-    size -= chunk_size;
-
-    int r = sys_fsetxattr(fd, raw_name, (char *)val + pos, chunk_size);
-    if (r < 0) {
-      ret = r;
-      break;
-    }
-    pos  += chunk_size;
-    ret = pos;
-    i++;
-    assert(size == 0 || !ensure_single_attr);
-  } while (size);
-
-  if (ret >= 0 && !skip_chain_cleanup) {
-    int r;
-    do {
-      get_raw_xattr_name(name, i, raw_name, sizeof(raw_name));
-      r = sys_fremovexattr(fd, raw_name);
-      if (r < 0 && r != -ENODATA)
-       ret = r;
-      i++;
-    } while (r != -ENODATA);
-  }
-
-  return ret;
-}
-
-int chain_listxattr(const char *fn, char *names, size_t len);
-int chain_flistxattr(int fd, char *names, size_t len);
-int chain_removexattr(const char *fn, const char *name);
-int chain_fremovexattr(int fd, const char *name);
-
-#endif