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linux_dsm_epyc7002/fs/f2fs/Kconfig

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treewide: Add SPDX license identifier - Makefile/Kconfig Add SPDX license identifiers to all Make/Kconfig files which: - Have no license information of any form These files fall under the project license, GPL v2 only. The resulting SPDX license identifier is: GPL-2.0-only Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-19 19:07:45 +07:00
# SPDX-License-Identifier: GPL-2.0-only
f2fs: update Kconfig and Makefile This adds Makefile and Kconfig for f2fs, and updates Makefile and Kconfig files in the fs directory. Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
2012-11-02 15:25:27 +07:00
config F2FS_FS
f2fs: relocate Kconfig from misc filesystems The f2fs has been shipped on many smartphone devices during a couple of years. So, it is worth to relocate Kconfig into main page from misc filesystems for developers to choose it more easily. Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2015-03-04 08:06:55 +07:00
tristate "F2FS filesystem support"
f2fs: resolve build failures There exist two build failures reported by Randy Dunlap as follows. (on i386) a. (config-r8857) ERROR: "f2fs_xattr_advise_handler" [fs/f2fs/f2fs.ko] undefined! Key configs in (config-r8857) are as follows. CONFIG_F2FS_FS=m # CONFIG_F2FS_STAT_FS is not set CONFIG_F2FS_FS_XATTR=y # CONFIG_F2FS_FS_POSIX_ACL is not set The error was occurred due to the function location that we made a mistake. Recently we added a new functionality for users to indicate cold files explicitly through xattr operations (i.e., f2fs_xattr_advise_handler). This handler should have been added in xattr.c instead of acl.c in order to avoid an undefined operation like in this case where XATTR is set and ACL is not set. b. (config-r8855) fs/f2fs/file.c: In function 'f2fs_vm_page_mkwrite': fs/f2fs/file.c:97:2: error: implicit declaration of function 'block_page_mkwrite_return' Key config in (config-r8855) is CONFIG_BLOCK. Obviously, f2fs works on top of the block device so that we should consider carefully a sort of config dependencies. The reason why this error was occurred was that f2fs_vm_page_mkwrite() calls block_page_mkwrite_return() which is enalbed only if CONFIG_BLOCK is set. Reported-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com> Acked-by: Randy Dunlap <rdunlap@xenotime.net>
2012-11-30 15:32:08 +07:00
depends on BLOCK
f2fs: use cryptoapi crc32 functions The crc function is done bit by bit. Optimize this by use cryptoapi crc32 function which is backed by h/w acceleration. Signed-off-by: Keith Mok <ek9852@gmail.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2016-03-03 03:04:24 +07:00
select CRYPTO
select CRYPTO_CRC32
fscrypt: remove filesystem specific build config option In order to have a common code base for fscrypt "post read" processing for all filesystems which support encryption, this commit removes filesystem specific build config option (e.g. CONFIG_EXT4_FS_ENCRYPTION) and replaces it with a build option (i.e. CONFIG_FS_ENCRYPTION) whose value affects all the filesystems making use of fscrypt. Reviewed-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Chandan Rajendra <chandan@linux.vnet.ibm.com> Signed-off-by: Eric Biggers <ebiggers@google.com>
2018-12-12 16:50:12 +07:00
select F2FS_FS_XATTR if FS_ENCRYPTION
f2fs: update Kconfig and Makefile This adds Makefile and Kconfig for f2fs, and updates Makefile and Kconfig files in the fs directory. Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
2012-11-02 15:25:27 +07:00
help
F2FS is based on Log-structured File System (LFS), which supports
versatile "flash-friendly" features. The design has been focused on
addressing the fundamental issues in LFS, which are snowball effect
of wandering tree and high cleaning overhead.
Since flash-based storages show different characteristics according to
the internal geometry or flash memory management schemes aka FTL, F2FS
and tools support various parameters not only for configuring on-disk
layout, but also for selecting allocation and cleaning algorithms.
If unsure, say N.
config F2FS_STAT_FS
bool "F2FS Status Information"
depends on F2FS_FS && DEBUG_FS
default y
help
/sys/kernel/debug/f2fs/ contains information about all the partitions
mounted as f2fs. Each file shows the whole f2fs information.
/sys/kernel/debug/f2fs/status includes:
f2fs: fix typo Fix typo and some grammatical errors. The words "filesystem" and "readahead" are being used without the space treewide. Signed-off-by: Park Ju Hyung <qkrwngud825@gmail.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2014-08-06 21:22:50 +07:00
- major filesystem information managed by f2fs currently
f2fs: update Kconfig and Makefile This adds Makefile and Kconfig for f2fs, and updates Makefile and Kconfig files in the fs directory. Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
2012-11-02 15:25:27 +07:00
- average SIT information about whole segments
- current memory footprint consumed by f2fs.
config F2FS_FS_XATTR
bool "F2FS extended attributes"
depends on F2FS_FS
default y
help
Extended attributes are name:value pairs associated with inodes by
fs/*/Kconfig: drop links to 404-compliant http://acl.bestbits.at This link is replicated in most filesystems' config stanzas. Referring to an archived version of that site is pointless as it mostly deals with patches; user documentation is available elsewhere. Signed-off-by: Adam Borowski <kilobyte@angband.pl> CC: Alexander Viro <viro@zeniv.linux.org.uk> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Acked-by: Jan Kara <jack@suse.cz> Acked-by: Dave Kleikamp <dave.kleikamp@oracle.com> Acked-by: David Sterba <dsterba@suse.com> Acked-by: "Yan, Zheng" <zyan@redhat.com> Acked-by: Chao Yu <yuchao0@huawei.com> Acked-by: Jaegeuk Kim <jaegeuk@kernel.org> Acked-by: Steve French <smfrench@gmail.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2017-12-20 20:58:52 +07:00
the kernel or by users (see the attr(5) manual page for details).
f2fs: update Kconfig and Makefile This adds Makefile and Kconfig for f2fs, and updates Makefile and Kconfig files in the fs directory. Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
2012-11-02 15:25:27 +07:00
If unsure, say N.
config F2FS_FS_POSIX_ACL
bool "F2FS Access Control Lists"
depends on F2FS_FS_XATTR
select FS_POSIX_ACL
default y
help
Posix Access Control Lists (ACLs) support permissions for users and
f2fs: fix typo Fix typo. Signed-off-by: Junesung Lee <junesoung412@gmail.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2015-08-18 20:42:15 +07:00
groups beyond the owner/group/world scheme.
f2fs: update Kconfig and Makefile This adds Makefile and Kconfig for f2fs, and updates Makefile and Kconfig files in the fs directory. Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
2012-11-02 15:25:27 +07:00
If you don't know what Access Control Lists are, say N
f2fs: support xattr security labels This patch adds the support of security labels for f2fs, which will be used by Linus Security Models (LSMs). Quote from http://en.wikipedia.org/wiki/Linux_Security_Modules: "Linux Security Modules (LSM) is a framework that allows the Linux kernel to support a variety of computer security models while avoiding favoritism toward any single security implementation. The framework is licensed under the terms of the GNU General Public License and is standard part of the Linux kernel since Linux 2.6. AppArmor, SELinux, Smack and TOMOYO Linux are the currently accepted modules in the official kernel.". Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
2013-06-03 17:46:19 +07:00
config F2FS_FS_SECURITY
bool "F2FS Security Labels"
depends on F2FS_FS_XATTR
help
Security labels provide an access control facility to support Linux
Security Models (LSMs) accepted by AppArmor, SELinux, Smack and TOMOYO
Linux. This option enables an extended attribute handler for file
security labels in the f2fs filesystem, so that it requires enabling
the extended attribute support in advance.
If you are not using a security module, say N.
f2fs: introduce CONFIG_F2FS_CHECK_FS for BUG_ON control This config will support an option to remove so many BUG_ONs that degrade the performance potentially. Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
2013-10-29 13:43:01 +07:00
config F2FS_CHECK_FS
bool "F2FS consistency checking feature"
depends on F2FS_FS
help
f2fs: fix typo Fix typo and some grammatical errors. The words "filesystem" and "readahead" are being used without the space treewide. Signed-off-by: Park Ju Hyung <qkrwngud825@gmail.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2014-08-06 21:22:50 +07:00
Enables BUG_ONs which check the filesystem consistency in runtime.
f2fs: introduce CONFIG_F2FS_CHECK_FS for BUG_ON control This config will support an option to remove so many BUG_ONs that degrade the performance potentially. Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
2013-10-29 13:43:01 +07:00
If you want to improve the performance, say N.
f2fs: add f2fs_io_tracer support This patch adds: o initial trace.c and trace.h with skeleton functions o Kconfig and Makefile to activate this feature Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2014-12-18 10:45:05 +07:00
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.
f2fs: add mount option to select fault injection ratio This patch adds a mount option to select fault ratio. Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2016-04-30 05:34:32 +07:00
config F2FS_FAULT_INJECTION
bool "F2FS fault injection facility"
depends on F2FS_FS
help
Test F2FS to inject faults such as ENOMEM, ENOSPC, and so on.
If unsure, say N.
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