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ircd::db: Plug remaining filesystem operations into ircd::fs / AIO.

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This commit is contained in:
Jason Volk 2018-08-23 21:32:28 -07:00
parent e0024b82ea
commit 1450678b83
3 changed files with 1049 additions and 212 deletions
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7
include/ircd/db/database/env/random_rw_file.h vendored
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@ -21,8 +21,11 @@ struct ircd::db::database::env::random_rw_file final
using Status = rocksdb::Status;
using Slice = rocksdb::Slice;
static const fs::fd::opts default_opts;
database &d;
std::unique_ptr<RandomRWFile> defaults;
fs::fd::opts opts;
fs::fd fd;
bool use_direct_io() const noexcept override;
size_t GetRequiredBufferAlignment() const noexcept override;
@ -33,6 +36,6 @@ struct ircd::db::database::env::random_rw_file final
Status Fsync() noexcept override;
Status Close() noexcept override;
random_rw_file(database *const &d, const std::string &name, const EnvOptions &, std::unique_ptr<RandomRWFile> defaults);
random_rw_file(database *const &d, const std::string &name, const EnvOptions &);
~random_rw_file() noexcept;
};

30
include/ircd/db/database/env/writable_file.h vendored
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@ -23,27 +23,33 @@ struct ircd::db::database::env::writable_file final
using IOPriority = rocksdb::Env::IOPriority;
database &d;
std::unique_ptr<rocksdb::WritableFile> defaults;
ctx::mutex mutex;
rocksdb::EnvOptions env_opts;
fs::fd::opts opts;
fs::fd fd;
IOPriority prio {IO_LOW};
size_t preallocation_block_size {0};
size_t preallocation_last_block {0};
Status Append(const Slice& data) noexcept override;
Status PositionedAppend(const Slice& data, uint64_t offset) noexcept override;
Status Allocate(uint64_t offset, uint64_t len) noexcept override;
void PrepareWrite(size_t offset, size_t len) noexcept override;
void GetPreallocationStatus(size_t* block_size, size_t* last_allocated_block) noexcept override;
void SetPreallocationBlockSize(size_t size) noexcept override;
Status Truncate(uint64_t size) noexcept override;
Status Close() noexcept override;
Status Flush() noexcept override;
Status Sync() noexcept override;
Status Fsync() noexcept override;
bool IsSyncThreadSafe() const noexcept override;
void SetIOPriority(IOPriority pri) noexcept override;
IOPriority GetIOPriority() noexcept override;
uint64_t GetFileSize() noexcept override;
void GetPreallocationStatus(size_t* block_size, size_t* last_allocated_block) noexcept override;
size_t GetUniqueId(char* id, size_t max_size) const noexcept override;
Status InvalidateCache(size_t offset, size_t length) noexcept override;
void SetPreallocationBlockSize(size_t size) noexcept override;
void PrepareWrite(size_t offset, size_t len) noexcept override;
Status Allocate(uint64_t offset, uint64_t len) noexcept override;
Status PositionedAppend(const Slice& data, uint64_t offset) noexcept override;
Status Append(const Slice& data) noexcept override;
Status RangeSync(uint64_t offset, uint64_t nbytes) noexcept override;
Status Fsync() noexcept override;
Status Sync() noexcept override;
Status Flush() noexcept override;
Status Close() noexcept override;
writable_file(database *const &d, const std::string &name, const EnvOptions &, std::unique_ptr<WritableFile> defaults);
writable_file(database *const &d, const std::string &name, const EnvOptions &, const bool &trunc);
~writable_file() noexcept;
};

1140
ircd/db.cc
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