diff options
Diffstat (limited to 'fs/btrfs/Kconfig')
| -rw-r--r-- | fs/btrfs/Kconfig | 32 |
1 files changed, 22 insertions, 10 deletions
diff --git a/fs/btrfs/Kconfig b/fs/btrfs/Kconfig index 73a2dfb854c5..c352f3ae0385 100644 --- a/fs/btrfs/Kconfig +++ b/fs/btrfs/Kconfig @@ -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 +76,10 @@ 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. @@ -89,7 +94,14 @@ config BTRFS_EXPERIMENTAL Current list: - - extent map shrinker - performance problems with too frequent shrinks + - 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 |