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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
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_TRANSACTIONS
bool "bcachefs runtime info"
depends on BCACHEFS_FS
help
This makes the list of running btree transactions available in debugfs.
This is a highly useful debugging feature but does add a small amount of overhead.
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 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.
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