diff options
Diffstat (limited to 'fs/btrfs/Kconfig')
| -rw-r--r-- | fs/btrfs/Kconfig | 58 |
1 files changed, 48 insertions, 10 deletions
diff --git a/fs/btrfs/Kconfig b/fs/btrfs/Kconfig index 4fb925e8c981..c352f3ae0385 100644 --- a/fs/btrfs/Kconfig +++ b/fs/btrfs/Kconfig @@ -3,9 +3,9 @@ config BTRFS_FS tristate "Btrfs filesystem support" select BLK_CGROUP_PUNT_BIO + select CRC32 select CRYPTO select CRYPTO_CRC32C - select LIBCRC32C select CRYPTO_XXHASH select CRYPTO_SHA256 select CRYPTO_BLAKE2B @@ -52,10 +52,10 @@ config BTRFS_FS_RUN_SANITY_TESTS bool "Btrfs will run sanity tests upon loading" depends on BTRFS_FS help - This will run some basic sanity tests on the free space cache - code to make sure it is acting as it should. These are mostly - regression tests and are only really interesting to btrfs - developers. + This will run sanity tests for core functionality like free space, + extent maps, extent io, extent buffers, inodes, qgroups and others, + at module load time. These are mostly regression tests and are only + interesting to developers. If unsure, say N. @@ -63,9 +63,12 @@ config BTRFS_DEBUG bool "Btrfs debugging support" depends on BTRFS_FS help - Enable run-time debugging support for the btrfs filesystem. This may - enable additional and expensive checks with negative impact on - performance, or export extra information via sysfs. + Enable run-time debugging support for the btrfs filesystem. + + Additional potentially expensive checks, debugging functionality or + sysfs exported information is enabled, like leak checks of internal + objects, optional forced space fragmentation and /sys/fs/btrfs/debug . + This has negative impact on performance. If unsure, say N. @@ -73,8 +76,43 @@ config BTRFS_ASSERT bool "Btrfs assert support" depends on BTRFS_FS help - Enable run-time assertion checking. This will result in panics if - any of the assertions trip. This is meant for btrfs developers only. + Enable run-time assertion checking. Additional safety checks are + done, simple enough not to affect performance but verify invariants + and assumptions of code to run properly. This may result in panics, + and is meant for developers but can be enabled in general. + + If unsure, say N. + +config BTRFS_EXPERIMENTAL + bool "Btrfs experimental features" + depends on BTRFS_FS + default n + help + Enable experimental features. These features may not be stable enough + for end users. This is meant for btrfs developers or users who wish + to test the functionality and report problems. + + Current list: + + - COW fixup worker warning - last warning before removing the + functionality catching out-of-band page + dirtying, not necessary since 5.8 + + - RAID mirror read policy - additional read policies for balancing + reading from redundant block group + profiles (currently: pid, round-robin, + fixed devid) + + - send stream protocol v3 - fs-verity support + + - checksum offload mode - sysfs knob to affect when checksums are + calculated (at IO time, or in a thread) + + - raid-stripe-tree - additional mapping of extents to devices to + support RAID1* profiles on zoned devices, + RAID56 not yet supported + + - extent tree v2 - complex rework of extent tracking If unsure, say N. |