fork of https://github.com/oxigraph/rocksdb and https://github.com/facebook/rocksdb for nextgraph and oxigraph

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Jay Zhuang 29102641dd Skip directory fsync for filesystem btrfs (#8903) ... Summary: Directory fsync might be expensive on btrfs and it may not be needed. Here are 4 directory fsync cases: 1. creating a new file: dir-fsync is not needed on btrfs, as long as the new file itself is synced. 2. renaming a file: dir-fsync is not needed if the renamed file is synced. So an API `FsyncAfterFileRename(filename, ...)` is provided to sync the file on btrfs. By default, it just calls dir-fsync. 3. deleting files: dir-fsync is forced by set `IOOptions.force_dir_fsync = true` 4. renaming multiple files (like backup and checkpoint): dir-fsync is forced, the same as above. Pull Request resolved: https://github.com/facebook/rocksdb/pull/8903 Test Plan: run tests on btrfs and non btrfs Reviewed By: ajkr Differential Revision: D30885059 Pulled By: jay-zhuang fbshipit-source-id: dd2730b31580b0bcaedffc318a762d7dbf25de4a		3 years ago
..
composite_env.cc	Skip directory fsync for filesystem btrfs (#8903)	3 years ago
composite_env_wrapper.h	Integrated BlobDB for backup/restore support (#8129)	4 years ago
emulated_clock.h	Make SystemClock into a Customizable Class (#8636)	3 years ago
env.cc	Make FileSystem a Customizable Class (#8649)	3 years ago
env_basic_test.cc	Make SystemClock into a Customizable Class (#8636)	3 years ago
env_chroot.cc	Make FileSystem a Customizable Class (#8649)	3 years ago
env_chroot.h	Make FileSystem a Customizable Class (#8649)	3 years ago
env_encryption.cc	Make FileSystem a Customizable Class (#8649)	3 years ago
env_encryption_ctr.h	Make FileSystem a Customizable Class (#8649)	3 years ago
env_hdfs.cc	Use thread-safe `strerror_r()` to get error message (#8087)	4 years ago
env_posix.cc	Make SystemClock into a Customizable Class (#8636)	3 years ago
env_test.cc	Make FileSystem a Customizable Class (#8649)	3 years ago
file_system.cc	Skip directory fsync for filesystem btrfs (#8903)	3 years ago
file_system_tracer.cc	Make TraceRecord and Replayer public (#8611)	3 years ago
file_system_tracer.h	Make FileSystem a Customizable Class (#8649)	3 years ago
fs_posix.cc	Make FileSystem a Customizable Class (#8649)	3 years ago
fs_readonly.h	Make FileSystem a Customizable Class (#8649)	3 years ago
fs_remap.cc	Make backups openable as read-only DBs (#8142)	4 years ago
fs_remap.h	Make FileSystem a Customizable Class (#8649)	3 years ago
io_posix.cc	Skip directory fsync for filesystem btrfs (#8903)	3 years ago
io_posix.h	Skip directory fsync for filesystem btrfs (#8903)	3 years ago
io_posix_test.cc	Status check enforcement for io_posix_test and options_settable_test (#6857)	5 years ago
mock_env.cc	Make FileSystem a Customizable Class (#8649)	3 years ago
mock_env.h	Make FileSystem a Customizable Class (#8649)	3 years ago
mock_env_test.cc	Make SystemClock into a Customizable Class (#8636)	3 years ago
unique_id_gen.cc	Experimental support for SST unique IDs (#8990)	3 years ago
unique_id_gen.h	Experimental support for SST unique IDs (#8990)	3 years ago