initial code repo

[stor4nfv.git] / src / ceph / src / include / cephfs / ceph_statx.h

diff --git a/src/ceph/src/include/cephfs/ceph_statx.h b/src/ceph/src/include/cephfs/ceph_statx.h
new file mode 100644 (file)
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+++ b/src/ceph/src/include/cephfs/ceph_statx.h
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+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+/*
+ * scalable distributed file system
+ *
+ * Copyright (C) Jeff Layton <jlayton@redhat.com>
+ *
+ * Heavily borrowed from David Howells' draft statx patchset.
+ *
+ * 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.
+ *
+ */
+
+#ifndef CEPH_CEPH_STATX_H
+#define CEPH_CEPH_STATX_H
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Since the xstat patches are still a work in progress, we borrow its data
+ * structures and #defines to implement ceph_getattrx. Once the xstat stuff
+ * has been merged we should drop this and switch over to using that instead.
+ */
+struct ceph_statx {
+       uint32_t        stx_mask;
+       uint32_t        stx_blksize;
+       uint32_t        stx_nlink;
+       uint32_t        stx_uid;
+       uint32_t        stx_gid;
+       uint16_t        stx_mode;
+       uint64_t        stx_ino;
+       uint64_t        stx_size;
+       uint64_t        stx_blocks;
+       dev_t           stx_dev;
+       dev_t           stx_rdev;
+       struct timespec stx_atime;
+       struct timespec stx_ctime;
+       struct timespec stx_mtime;
+       struct timespec stx_btime;
+       uint64_t        stx_version;
+};
+
+#define CEPH_STATX_MODE                0x00000001U     /* Want/got stx_mode */
+#define CEPH_STATX_NLINK       0x00000002U     /* Want/got stx_nlink */
+#define CEPH_STATX_UID         0x00000004U     /* Want/got stx_uid */
+#define CEPH_STATX_GID         0x00000008U     /* Want/got stx_gid */
+#define CEPH_STATX_RDEV                0x00000010U     /* Want/got stx_rdev */
+#define CEPH_STATX_ATIME       0x00000020U     /* Want/got stx_atime */
+#define CEPH_STATX_MTIME       0x00000040U     /* Want/got stx_mtime */
+#define CEPH_STATX_CTIME       0x00000080U     /* Want/got stx_ctime */
+#define CEPH_STATX_INO         0x00000100U     /* Want/got stx_ino */
+#define CEPH_STATX_SIZE                0x00000200U     /* Want/got stx_size */
+#define CEPH_STATX_BLOCKS      0x00000400U     /* Want/got stx_blocks */
+#define CEPH_STATX_BASIC_STATS 0x000007ffU     /* The stuff in the normal stat struct */
+#define CEPH_STATX_BTIME       0x00000800U     /* Want/got stx_btime */
+#define CEPH_STATX_VERSION     0x00001000U     /* Want/got stx_version */
+#define CEPH_STATX_ALL_STATS   0x00001fffU     /* All supported stats */
+
+/*
+ * Compatability macros until these defines make their way into glibc
+ */
+#ifndef AT_NO_ATTR_SYNC
+#define AT_NO_ATTR_SYNC                0x4000 /* Don't sync attributes with the server */
+#endif
+
+/*
+ * The statx interfaces only allow these flags. In order to allow us to add
+ * others in the future, we disallow setting any that aren't recognized.
+ */
+#define CEPH_REQ_FLAG_MASK             (AT_SYMLINK_NOFOLLOW|AT_NO_ATTR_SYNC)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* CEPH_STATX_H */
+