forked from Qortal/Brooklyn
04c1822c0a
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145 lines
4.3 KiB
Plaintext
145 lines
4.3 KiB
Plaintext
# SPDX-License-Identifier: GPL-2.0-only
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config F2FS_FS
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tristate "F2FS filesystem support"
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depends on BLOCK
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select NLS
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select CRYPTO
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select CRYPTO_CRC32
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select F2FS_FS_XATTR if FS_ENCRYPTION
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select FS_ENCRYPTION_ALGS if FS_ENCRYPTION
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select LZ4_COMPRESS if F2FS_FS_LZ4
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select LZ4_DECOMPRESS if F2FS_FS_LZ4
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select LZ4HC_COMPRESS if F2FS_FS_LZ4HC
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select LZO_COMPRESS if F2FS_FS_LZO
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select LZO_DECOMPRESS if F2FS_FS_LZO
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select ZSTD_COMPRESS if F2FS_FS_ZSTD
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select ZSTD_DECOMPRESS if F2FS_FS_ZSTD
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help
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F2FS is based on Log-structured File System (LFS), which supports
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versatile "flash-friendly" features. The design has been focused on
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addressing the fundamental issues in LFS, which are snowball effect
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of wandering tree and high cleaning overhead.
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Since flash-based storages show different characteristics according to
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the internal geometry or flash memory management schemes aka FTL, F2FS
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and tools support various parameters not only for configuring on-disk
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layout, but also for selecting allocation and cleaning algorithms.
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If unsure, say N.
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config F2FS_STAT_FS
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bool "F2FS Status Information"
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depends on F2FS_FS
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default y
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help
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/sys/kernel/debug/f2fs/ contains information about all the partitions
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mounted as f2fs. Each file shows the whole f2fs information.
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/sys/kernel/debug/f2fs/status includes:
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- major filesystem information managed by f2fs currently
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- average SIT information about whole segments
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- current memory footprint consumed by f2fs.
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config F2FS_FS_XATTR
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bool "F2FS extended attributes"
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depends on F2FS_FS
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default y
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help
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Extended attributes are name:value pairs associated with inodes by
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the kernel or by users (see the attr(5) manual page for details).
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If unsure, say N.
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config F2FS_FS_POSIX_ACL
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bool "F2FS Access Control Lists"
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depends on F2FS_FS_XATTR
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select FS_POSIX_ACL
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default y
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help
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Posix Access Control Lists (ACLs) support permissions for users and
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groups beyond the owner/group/world scheme.
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If you don't know what Access Control Lists are, say N
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config F2FS_FS_SECURITY
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bool "F2FS Security Labels"
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depends on F2FS_FS_XATTR
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help
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Security labels provide an access control facility to support Linux
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Security Models (LSMs) accepted by AppArmor, SELinux, Smack and TOMOYO
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Linux. This option enables an extended attribute handler for file
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security labels in the f2fs filesystem, so that it requires enabling
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the extended attribute support in advance. In particular you need this
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option if you use the setcap command to assign initial process capabi-
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lities to executables (the security.* extended attributes).
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If you are not using a security module, say N.
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config F2FS_CHECK_FS
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bool "F2FS consistency checking feature"
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depends on F2FS_FS
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help
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Enables BUG_ONs which check the filesystem consistency in runtime.
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If you want to improve the performance, say N.
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config F2FS_FAULT_INJECTION
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bool "F2FS fault injection facility"
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depends on F2FS_FS
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help
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Test F2FS to inject faults such as ENOMEM, ENOSPC, and so on.
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If unsure, say N.
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config F2FS_FS_COMPRESSION
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bool "F2FS compression feature"
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depends on F2FS_FS
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help
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Enable filesystem-level compression on f2fs regular files,
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multiple back-end compression algorithms are supported.
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config F2FS_FS_LZO
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bool "LZO compression support"
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depends on F2FS_FS_COMPRESSION
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default y
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help
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Support LZO compress algorithm, if unsure, say Y.
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config F2FS_FS_LZORLE
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bool "LZO-RLE compression support"
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depends on F2FS_FS_LZO
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default y
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help
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Support LZO-RLE compress algorithm, if unsure, say Y.
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config F2FS_FS_LZ4
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bool "LZ4 compression support"
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depends on F2FS_FS_COMPRESSION
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default y
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help
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Support LZ4 compress algorithm, if unsure, say Y.
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config F2FS_FS_LZ4HC
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bool "LZ4HC compression support"
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depends on F2FS_FS_LZ4
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default y
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help
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Support LZ4HC compress algorithm, LZ4HC has compatible on-disk
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layout with LZ4, if unsure, say Y.
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config F2FS_FS_ZSTD
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bool "ZSTD compression support"
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depends on F2FS_FS_COMPRESSION
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default y
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help
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Support ZSTD compress algorithm, if unsure, say Y.
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config F2FS_IOSTAT
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bool "F2FS IO statistics information"
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depends on F2FS_FS
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default y
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help
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Support getting IO statistics through sysfs and printing out periodic
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IO statistics tracepoint events. You have to turn on "iostat_enable"
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sysfs node to enable this feature.
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