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-rw-r--r--fs/f2fs/Kconfig63
1 files changed, 38 insertions, 25 deletions
diff --git a/fs/f2fs/Kconfig b/fs/f2fs/Kconfig
index d13c5c6a9787..5916a02fb46d 100644
--- a/fs/f2fs/Kconfig
+++ b/fs/f2fs/Kconfig
@@ -2,11 +2,19 @@
config F2FS_FS
tristate "F2FS filesystem support"
depends on BLOCK
+ select BUFFER_HEAD
select NLS
- select CRYPTO
- select CRYPTO_CRC32
+ select CRC32
select F2FS_FS_XATTR if FS_ENCRYPTION
select FS_ENCRYPTION_ALGS if FS_ENCRYPTION
+ select FS_IOMAP
+ select LZ4_COMPRESS if F2FS_FS_LZ4
+ select LZ4_DECOMPRESS if F2FS_FS_LZ4
+ select LZ4HC_COMPRESS if F2FS_FS_LZ4HC
+ select LZO_COMPRESS if F2FS_FS_LZO
+ select LZO_DECOMPRESS if F2FS_FS_LZO
+ select ZSTD_COMPRESS if F2FS_FS_ZSTD
+ select ZSTD_DECOMPRESS if F2FS_FS_ZSTD
help
F2FS is based on Log-structured File System (LFS), which supports
versatile "flash-friendly" features. The design has been focused on
@@ -76,16 +84,6 @@ config F2FS_CHECK_FS
If you want to improve the performance, say N.
-config F2FS_IO_TRACE
- bool "F2FS IO tracer"
- depends on F2FS_FS
- depends on FUNCTION_TRACER
- help
- F2FS IO trace is based on a function trace, which gathers process
- information and block IO patterns in the filesystem level.
-
- If unsure, say N.
-
config F2FS_FAULT_INJECTION
bool "F2FS fault injection facility"
depends on F2FS_FS
@@ -104,36 +102,51 @@ config F2FS_FS_COMPRESSION
config F2FS_FS_LZO
bool "LZO compression support"
depends on F2FS_FS_COMPRESSION
- select LZO_COMPRESS
- select LZO_DECOMPRESS
default y
help
Support LZO compress algorithm, if unsure, say Y.
+config F2FS_FS_LZORLE
+ bool "LZO-RLE compression support"
+ depends on F2FS_FS_LZO
+ default y
+ help
+ Support LZO-RLE compress algorithm, if unsure, say Y.
+
config F2FS_FS_LZ4
bool "LZ4 compression support"
depends on F2FS_FS_COMPRESSION
- select LZ4_COMPRESS
- select LZ4_DECOMPRESS
default y
help
Support LZ4 compress algorithm, if unsure, say Y.
+config F2FS_FS_LZ4HC
+ bool "LZ4HC compression support"
+ depends on F2FS_FS_LZ4
+ default y
+ help
+ Support LZ4HC compress algorithm, LZ4HC has compatible on-disk
+ layout with LZ4, if unsure, say Y.
+
config F2FS_FS_ZSTD
bool "ZSTD compression support"
depends on F2FS_FS_COMPRESSION
- select ZSTD_COMPRESS
- select ZSTD_DECOMPRESS
default y
help
Support ZSTD compress algorithm, if unsure, say Y.
-config F2FS_FS_LZORLE
- bool "LZO-RLE compression support"
- depends on F2FS_FS_COMPRESSION
- depends on F2FS_FS_LZO
- select LZO_COMPRESS
- select LZO_DECOMPRESS
+config F2FS_IOSTAT
+ bool "F2FS IO statistics information"
+ depends on F2FS_FS
default y
help
- Support LZO-RLE compress algorithm, if unsure, say Y.
+ Support getting IO statistics through sysfs and printing out periodic
+ IO statistics tracepoint events. You have to turn on "iostat_enable"
+ sysfs node to enable this feature.
+
+config F2FS_UNFAIR_RWSEM
+ bool "F2FS unfair rw_semaphore"
+ depends on F2FS_FS && BLK_CGROUP
+ help
+ Use unfair rw_semaphore, if system configured IO priority by block
+ cgroup.