mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
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d0ed78e178
Both s390 and alpha have been switched to 64-bit ino_t with
commit 96c0a6a72d ("s390,alpha: switch to 64-bit ino_t").
Therefore enable TMPFS_INODE64 for both architectures again.
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Link: https://lore.kernel.org/linux-mm/YCV7QiyoweJwvN+m@osiris/
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
356 lines
8.6 KiB
Text
356 lines
8.6 KiB
Text
# SPDX-License-Identifier: GPL-2.0-only
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#
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# File system configuration
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#
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menu "File systems"
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# Use unaligned word dcache accesses
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config DCACHE_WORD_ACCESS
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bool
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config VALIDATE_FS_PARSER
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bool "Validate filesystem parameter description"
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help
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Enable this to perform validation of the parameter description for a
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filesystem when it is registered.
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if BLOCK
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config FS_IOMAP
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bool
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source "fs/ext2/Kconfig"
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source "fs/ext4/Kconfig"
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source "fs/jbd2/Kconfig"
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config FS_MBCACHE
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# Meta block cache for Extended Attributes (ext2/ext3/ext4)
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tristate
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default y if EXT2_FS=y && EXT2_FS_XATTR
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default y if EXT4_FS=y
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default m if EXT2_FS_XATTR || EXT4_FS
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source "fs/reiserfs/Kconfig"
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source "fs/jfs/Kconfig"
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source "fs/xfs/Kconfig"
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source "fs/gfs2/Kconfig"
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source "fs/ocfs2/Kconfig"
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source "fs/btrfs/Kconfig"
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source "fs/nilfs2/Kconfig"
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source "fs/f2fs/Kconfig"
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source "fs/zonefs/Kconfig"
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config FS_DAX
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bool "Direct Access (DAX) support"
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depends on MMU
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depends on !(ARM || MIPS || SPARC)
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select DEV_PAGEMAP_OPS if (ZONE_DEVICE && !FS_DAX_LIMITED)
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select FS_IOMAP
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select DAX
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help
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Direct Access (DAX) can be used on memory-backed block devices.
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If the block device supports DAX and the filesystem supports DAX,
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then you can avoid using the pagecache to buffer I/Os. Turning
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on this option will compile in support for DAX; you will need to
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mount the filesystem using the -o dax option.
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If you do not have a block device that is capable of using this,
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or if unsure, say N. Saying Y will increase the size of the kernel
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by about 5kB.
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config FS_DAX_PMD
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bool
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default FS_DAX
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depends on FS_DAX
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depends on ZONE_DEVICE
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depends on TRANSPARENT_HUGEPAGE
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# Selected by DAX drivers that do not expect filesystem DAX to support
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# get_user_pages() of DAX mappings. I.e. "limited" indicates no support
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# for fork() of processes with MAP_SHARED mappings or support for
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# direct-I/O to a DAX mapping.
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config FS_DAX_LIMITED
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bool
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endif # BLOCK
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# Posix ACL utility routines
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#
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# Note: Posix ACLs can be implemented without these helpers. Never use
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# this symbol for ifdefs in core code.
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#
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config FS_POSIX_ACL
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def_bool n
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config EXPORTFS
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tristate
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config EXPORTFS_BLOCK_OPS
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bool "Enable filesystem export operations for block IO"
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help
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This option enables the export operations for a filesystem to support
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external block IO.
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config FILE_LOCKING
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bool "Enable POSIX file locking API" if EXPERT
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default y
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help
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This option enables standard file locking support, required
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for filesystems like NFS and for the flock() system
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call. Disabling this option saves about 11k.
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config MANDATORY_FILE_LOCKING
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bool "Enable Mandatory file locking"
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depends on FILE_LOCKING
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default y
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help
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This option enables files appropriately marked files on appropriely
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mounted filesystems to support mandatory locking.
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To the best of my knowledge this is dead code that no one cares about.
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source "fs/crypto/Kconfig"
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source "fs/verity/Kconfig"
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source "fs/notify/Kconfig"
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source "fs/quota/Kconfig"
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source "fs/autofs/Kconfig"
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source "fs/fuse/Kconfig"
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source "fs/overlayfs/Kconfig"
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menu "Caches"
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source "fs/fscache/Kconfig"
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source "fs/cachefiles/Kconfig"
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endmenu
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if BLOCK
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menu "CD-ROM/DVD Filesystems"
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source "fs/isofs/Kconfig"
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source "fs/udf/Kconfig"
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endmenu
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endif # BLOCK
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if BLOCK
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menu "DOS/FAT/EXFAT/NT Filesystems"
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source "fs/fat/Kconfig"
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source "fs/exfat/Kconfig"
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source "fs/ntfs/Kconfig"
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endmenu
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endif # BLOCK
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menu "Pseudo filesystems"
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source "fs/proc/Kconfig"
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source "fs/kernfs/Kconfig"
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source "fs/sysfs/Kconfig"
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config TMPFS
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bool "Tmpfs virtual memory file system support (former shm fs)"
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depends on SHMEM
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help
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Tmpfs is a file system which keeps all files in virtual memory.
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Everything in tmpfs is temporary in the sense that no files will be
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created on your hard drive. The files live in memory and swap
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space. If you unmount a tmpfs instance, everything stored therein is
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lost.
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See <file:Documentation/filesystems/tmpfs.rst> for details.
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config TMPFS_POSIX_ACL
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bool "Tmpfs POSIX Access Control Lists"
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depends on TMPFS
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select TMPFS_XATTR
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select FS_POSIX_ACL
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help
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POSIX Access Control Lists (ACLs) support additional access rights
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for users and groups beyond the standard owner/group/world scheme,
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and this option selects support for ACLs specifically for tmpfs
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filesystems.
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If you've selected TMPFS, it's possible that you'll also need
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this option as there are a number of Linux distros that require
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POSIX ACL support under /dev for certain features to work properly.
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For example, some distros need this feature for ALSA-related /dev
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files for sound to work properly. In short, if you're not sure,
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say Y.
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config TMPFS_XATTR
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bool "Tmpfs extended attributes"
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depends on TMPFS
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default n
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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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Currently this enables support for the trusted.* and
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security.* namespaces.
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You need this for POSIX ACL support on tmpfs.
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If unsure, say N.
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config TMPFS_INODE64
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bool "Use 64-bit ino_t by default in tmpfs"
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depends on TMPFS && 64BIT
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default n
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help
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tmpfs has historically used only inode numbers as wide as an unsigned
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int. In some cases this can cause wraparound, potentially resulting
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in multiple files with the same inode number on a single device. This
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option makes tmpfs use the full width of ino_t by default, without
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needing to specify the inode64 option when mounting.
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But if a long-lived tmpfs is to be accessed by 32-bit applications so
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ancient that opening a file larger than 2GiB fails with EINVAL, then
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the INODE64 config option and inode64 mount option risk operations
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failing with EOVERFLOW once 33-bit inode numbers are reached.
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To override this configured default, use the inode32 or inode64
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option when mounting.
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If unsure, say N.
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config HUGETLBFS
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bool "HugeTLB file system support"
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depends on X86 || IA64 || SPARC64 || (S390 && 64BIT) || \
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SYS_SUPPORTS_HUGETLBFS || BROKEN
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help
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hugetlbfs is a filesystem backing for HugeTLB pages, based on
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ramfs. For architectures that support it, say Y here and read
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<file:Documentation/admin-guide/mm/hugetlbpage.rst> for details.
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If unsure, say N.
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config HUGETLB_PAGE
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def_bool HUGETLBFS
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config MEMFD_CREATE
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def_bool TMPFS || HUGETLBFS
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config ARCH_HAS_GIGANTIC_PAGE
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bool
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source "fs/configfs/Kconfig"
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source "fs/efivarfs/Kconfig"
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endmenu
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menuconfig MISC_FILESYSTEMS
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bool "Miscellaneous filesystems"
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default y
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help
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Say Y here to get to see options for various miscellaneous
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filesystems, such as filesystems that came from other
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operating systems.
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This option alone does not add any kernel code.
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If you say N, all options in this submenu will be skipped and
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disabled; if unsure, say Y here.
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if MISC_FILESYSTEMS
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source "fs/orangefs/Kconfig"
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source "fs/adfs/Kconfig"
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source "fs/affs/Kconfig"
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source "fs/ecryptfs/Kconfig"
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source "fs/hfs/Kconfig"
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source "fs/hfsplus/Kconfig"
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source "fs/befs/Kconfig"
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source "fs/bfs/Kconfig"
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source "fs/efs/Kconfig"
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source "fs/jffs2/Kconfig"
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# UBIFS File system configuration
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source "fs/ubifs/Kconfig"
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source "fs/cramfs/Kconfig"
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source "fs/squashfs/Kconfig"
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source "fs/freevxfs/Kconfig"
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source "fs/minix/Kconfig"
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source "fs/omfs/Kconfig"
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source "fs/hpfs/Kconfig"
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source "fs/qnx4/Kconfig"
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source "fs/qnx6/Kconfig"
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source "fs/romfs/Kconfig"
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source "fs/pstore/Kconfig"
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source "fs/sysv/Kconfig"
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source "fs/ufs/Kconfig"
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source "fs/erofs/Kconfig"
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source "fs/vboxsf/Kconfig"
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endif # MISC_FILESYSTEMS
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menuconfig NETWORK_FILESYSTEMS
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bool "Network File Systems"
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default y
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depends on NET
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help
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Say Y here to get to see options for network filesystems and
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filesystem-related networking code, such as NFS daemon and
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RPCSEC security modules.
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This option alone does not add any kernel code.
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If you say N, all options in this submenu will be skipped and
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disabled; if unsure, say Y here.
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if NETWORK_FILESYSTEMS
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source "fs/nfs/Kconfig"
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source "fs/nfsd/Kconfig"
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config GRACE_PERIOD
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tristate
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config LOCKD
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tristate
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depends on FILE_LOCKING
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select GRACE_PERIOD
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config LOCKD_V4
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bool
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depends on NFSD_V3 || NFS_V3
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depends on FILE_LOCKING
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default y
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config NFS_ACL_SUPPORT
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tristate
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select FS_POSIX_ACL
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config NFS_COMMON
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bool
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depends on NFSD || NFS_FS || LOCKD
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default y
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config NFS_V4_2_SSC_HELPER
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tristate
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default y if NFS_V4=y || NFS_FS=y
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source "net/sunrpc/Kconfig"
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source "fs/ceph/Kconfig"
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source "fs/cifs/Kconfig"
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source "fs/coda/Kconfig"
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source "fs/afs/Kconfig"
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source "fs/9p/Kconfig"
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endif # NETWORK_FILESYSTEMS
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source "fs/nls/Kconfig"
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source "fs/dlm/Kconfig"
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source "fs/unicode/Kconfig"
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config IO_WQ
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bool
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endmenu
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