config BCACHEFS_FS tristate "bcachefs filesystem support (EXPERIMENTAL)" depends on BLOCK select EXPORTFS select CLOSURES select LIBCRC32C select CRC64 select FS_POSIX_ACL select LZ4_COMPRESS select LZ4_DECOMPRESS select LZ4HC_COMPRESS select LZ4HC_DECOMPRESS select ZLIB_DEFLATE select ZLIB_INFLATE select ZSTD_COMPRESS select ZSTD_DECOMPRESS select CRYPTO_SHA256 select CRYPTO_CHACHA20 select CRYPTO_POLY1305 select KEYS select RAID6_PQ select XOR_BLOCKS select XXHASH select SRCU select SYMBOLIC_ERRNAME select MIN_HEAP help The bcachefs filesystem - a modern, copy on write filesystem, with support for multiple devices, compression, checksumming, etc. config BCACHEFS_QUOTA bool "bcachefs quota support" depends on BCACHEFS_FS select QUOTACTL config BCACHEFS_ERASURE_CODING bool "bcachefs erasure coding (RAID5/6) support (EXPERIMENTAL)" depends on BCACHEFS_FS select QUOTACTL help This enables the "erasure_code" filesysystem and inode option, which organizes data into reed-solomon stripes instead of ordinary replication. WARNING: this feature is still undergoing on disk format changes, and should only be enabled for testing purposes. config BCACHEFS_POSIX_ACL bool "bcachefs POSIX ACL support" depends on BCACHEFS_FS select FS_POSIX_ACL config BCACHEFS_DEBUG bool "bcachefs debugging" depends on BCACHEFS_FS help Enables many extra debugging checks and assertions. The resulting code will be significantly slower than normal; you probably shouldn't select this option unless you're a developer. config BCACHEFS_TESTS bool "bcachefs unit and performance tests" depends on BCACHEFS_FS help Include some unit and performance tests for the core btree code config BCACHEFS_LOCK_TIME_STATS bool "bcachefs lock time statistics" depends on BCACHEFS_FS help Expose statistics for how long we held a lock in debugfs config BCACHEFS_NO_LATENCY_ACCT bool "disable latency accounting and time stats" depends on BCACHEFS_FS help This disables device latency tracking and time stats, only for performance testing config BCACHEFS_SIX_OPTIMISTIC_SPIN bool "Optimistic spinning for six locks" depends on BCACHEFS_FS depends on SMP default y help Instead of immediately sleeping when attempting to take a six lock that is held by another thread, spin for a short while, as long as the thread owning the lock is running. config BCACHEFS_PATH_TRACEPOINTS bool "Extra btree_path tracepoints" depends on BCACHEFS_FS help Enable extra tracepoints for debugging btree_path operations; we don't normally want these enabled because they happen at very high rates. config MEAN_AND_VARIANCE_UNIT_TEST tristate "mean_and_variance unit tests" if !KUNIT_ALL_TESTS depends on KUNIT depends on BCACHEFS_FS default KUNIT_ALL_TESTS help This option enables the kunit tests for mean_and_variance module. If unsure, say N.