--- /dev/null
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+#ifndef CEPH_OS_BLUESTORE_BLUEFS_TYPES_H
+#define CEPH_OS_BLUESTORE_BLUEFS_TYPES_H
+
+#include "bluestore_types.h"
+#include "include/utime.h"
+#include "include/encoding.h"
+#include "include/denc.h"
+
+class bluefs_extent_t : public AllocExtent{
+public:
+ uint8_t bdev;
+
+ bluefs_extent_t(uint8_t b = 0, uint64_t o = 0, uint32_t l = 0)
+ : AllocExtent(o, l), bdev(b) {}
+
+ DENC(bluefs_extent_t, v, p) {
+ DENC_START(1, 1, p);
+ denc_lba(v.offset, p);
+ denc_varint_lowz(v.length, p);
+ denc(v.bdev, p);
+ DENC_FINISH(p);
+ }
+
+ void dump(Formatter *f) const;
+ static void generate_test_instances(list<bluefs_extent_t*>&);
+};
+WRITE_CLASS_DENC(bluefs_extent_t)
+
+ostream& operator<<(ostream& out, const bluefs_extent_t& e);
+
+
+struct bluefs_fnode_t {
+ uint64_t ino;
+ uint64_t size;
+ utime_t mtime;
+ uint8_t prefer_bdev;
+ mempool::bluefs::vector<bluefs_extent_t> extents;
+ uint64_t allocated;
+
+ bluefs_fnode_t() : ino(0), size(0), prefer_bdev(0), allocated(0) {}
+
+ uint64_t get_allocated() const {
+ return allocated;
+ }
+
+ void recalc_allocated() {
+ allocated = 0;
+ for (auto& p : extents)
+ allocated += p.length;
+ }
+
+ DENC(bluefs_fnode_t, v, p) {
+ DENC_START(1, 1, p);
+ denc_varint(v.ino, p);
+ denc_varint(v.size, p);
+ denc(v.mtime, p);
+ denc(v.prefer_bdev, p);
+ denc(v.extents, p);
+ DENC_FINISH(p);
+ }
+
+ mempool::bluefs::vector<bluefs_extent_t>::iterator seek(
+ uint64_t off, uint64_t *x_off);
+
+ void dump(Formatter *f) const;
+ static void generate_test_instances(list<bluefs_fnode_t*>& ls);
+};
+WRITE_CLASS_DENC(bluefs_fnode_t)
+
+ostream& operator<<(ostream& out, const bluefs_fnode_t& file);
+
+
+struct bluefs_super_t {
+ uuid_d uuid; ///< unique to this bluefs instance
+ uuid_d osd_uuid; ///< matches the osd that owns us
+ uint64_t version;
+ uint32_t block_size;
+
+ bluefs_fnode_t log_fnode;
+
+ bluefs_super_t()
+ : version(0),
+ block_size(4096) { }
+
+ uint64_t block_mask() const {
+ return ~(block_size - 1);
+ }
+
+ void encode(bufferlist& bl) const;
+ void decode(bufferlist::iterator& p);
+ void dump(Formatter *f) const;
+ static void generate_test_instances(list<bluefs_super_t*>& ls);
+};
+WRITE_CLASS_ENCODER(bluefs_super_t)
+
+ostream& operator<<(ostream&, const bluefs_super_t& s);
+
+
+struct bluefs_transaction_t {
+ typedef enum {
+ OP_NONE = 0,
+ OP_INIT, ///< initial (empty) file system marker
+ OP_ALLOC_ADD, ///< add extent to available block storage (extent)
+ OP_ALLOC_RM, ///< remove extent from availabe block storage (extent)
+ OP_DIR_LINK, ///< (re)set a dir entry (dirname, filename, ino)
+ OP_DIR_UNLINK, ///< remove a dir entry (dirname, filename)
+ OP_DIR_CREATE, ///< create a dir (dirname)
+ OP_DIR_REMOVE, ///< remove a dir (dirname)
+ OP_FILE_UPDATE, ///< set/update file metadata (file)
+ OP_FILE_REMOVE, ///< remove file (ino)
+ OP_JUMP, ///< jump the seq # and offset
+ OP_JUMP_SEQ, ///< jump the seq #
+ } op_t;
+
+ uuid_d uuid; ///< fs uuid
+ uint64_t seq; ///< sequence number
+ bufferlist op_bl; ///< encoded transaction ops
+
+ bluefs_transaction_t() : seq(0) {}
+
+ void clear() {
+ *this = bluefs_transaction_t();
+ }
+ bool empty() const {
+ return op_bl.length() == 0;
+ }
+
+ void op_init() {
+ ::encode((__u8)OP_INIT, op_bl);
+ }
+ void op_alloc_add(uint8_t id, uint64_t offset, uint64_t length) {
+ ::encode((__u8)OP_ALLOC_ADD, op_bl);
+ ::encode(id, op_bl);
+ ::encode(offset, op_bl);
+ ::encode(length, op_bl);
+ }
+ void op_alloc_rm(uint8_t id, uint64_t offset, uint64_t length) {
+ ::encode((__u8)OP_ALLOC_RM, op_bl);
+ ::encode(id, op_bl);
+ ::encode(offset, op_bl);
+ ::encode(length, op_bl);
+ }
+ void op_dir_create(const string& dir) {
+ ::encode((__u8)OP_DIR_CREATE, op_bl);
+ ::encode(dir, op_bl);
+ }
+ void op_dir_remove(const string& dir) {
+ ::encode((__u8)OP_DIR_REMOVE, op_bl);
+ ::encode(dir, op_bl);
+ }
+ void op_dir_link(const string& dir, const string& file, uint64_t ino) {
+ ::encode((__u8)OP_DIR_LINK, op_bl);
+ ::encode(dir, op_bl);
+ ::encode(file, op_bl);
+ ::encode(ino, op_bl);
+ }
+ void op_dir_unlink(const string& dir, const string& file) {
+ ::encode((__u8)OP_DIR_UNLINK, op_bl);
+ ::encode(dir, op_bl);
+ ::encode(file, op_bl);
+ }
+ void op_file_update(const bluefs_fnode_t& file) {
+ ::encode((__u8)OP_FILE_UPDATE, op_bl);
+ ::encode(file, op_bl);
+ }
+ void op_file_remove(uint64_t ino) {
+ ::encode((__u8)OP_FILE_REMOVE, op_bl);
+ ::encode(ino, op_bl);
+ }
+ void op_jump(uint64_t next_seq, uint64_t offset) {
+ ::encode((__u8)OP_JUMP, op_bl);
+ ::encode(next_seq, op_bl);
+ ::encode(offset, op_bl);
+ }
+ void op_jump_seq(uint64_t next_seq) {
+ ::encode((__u8)OP_JUMP_SEQ, op_bl);
+ ::encode(next_seq, op_bl);
+ }
+
+ void encode(bufferlist& bl) const;
+ void decode(bufferlist::iterator& p);
+ void dump(Formatter *f) const;
+ static void generate_test_instance(list<bluefs_transaction_t*>& ls);
+};
+WRITE_CLASS_ENCODER(bluefs_transaction_t)
+
+ostream& operator<<(ostream& out, const bluefs_transaction_t& t);
+
+#endif
Code Review / stor4nfv.git / blobdiff