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linux/fs/Kconfig
Linus Torvalds 8d4a0b5d08 4 cifs/smb3 fixes, one for DFS reconnect, and one to begin creating common headers for server and client and the other two to rename the cifs_common directory to smbfs_common to be more consistent ie change use of the name cifs to smb which is more accurate 
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Merge tag '5.15-rc-cifs-part2' of git://git.samba.org/sfrench/cifs-2.6

Pull smbfs updates from Steve French:
 "cifs/smb3 updates:

   - DFS reconnect fix

   - begin creating common headers for server and client

   - rename the cifs_common directory to smbfs_common to be more
     consistent ie change use of the name cifs to smb (smb3 or smbfs is
     more accurate, as the very old cifs dialect has long been
     superseded by smb3 dialects).

  In the future we can rename the fs/cifs directory to fs/smbfs.

  This does not include the set of multichannel fixes nor the two
  deferred close fixes (they are still being reviewed and tested)"

* tag '5.15-rc-cifs-part2' of git://git.samba.org/sfrench/cifs-2.6:
  cifs: properly invalidate cached root handle when closing it
  cifs: move SMB FSCTL definitions to common code
  cifs: rename cifs_common to smbfs_common
  cifs: update FSCTL definitions
2021-09-12 10:10:21 -07:00

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# SPDX-License-Identifier: GPL-2.0-only
#
# File system configuration
#
menu "File systems"
# Use unaligned word dcache accesses
config DCACHE_WORD_ACCESS
bool
config VALIDATE_FS_PARSER
bool "Validate filesystem parameter description"
help
Enable this to perform validation of the parameter description for a
filesystem when it is registered.
if BLOCK
config FS_IOMAP
bool
source "fs/ext2/Kconfig"
source "fs/ext4/Kconfig"
source "fs/jbd2/Kconfig"
config FS_MBCACHE
# Meta block cache for Extended Attributes (ext2/ext3/ext4)
tristate
default y if EXT2_FS=y && EXT2_FS_XATTR
default y if EXT4_FS=y
default m if EXT2_FS_XATTR || EXT4_FS
source "fs/reiserfs/Kconfig"
source "fs/jfs/Kconfig"
source "fs/xfs/Kconfig"
source "fs/gfs2/Kconfig"
source "fs/ocfs2/Kconfig"
source "fs/btrfs/Kconfig"
source "fs/nilfs2/Kconfig"
source "fs/f2fs/Kconfig"
source "fs/zonefs/Kconfig"
config FS_DAX
bool "File system based Direct Access (DAX) support"
depends on MMU
depends on !(ARM || MIPS || SPARC)
select DEV_PAGEMAP_OPS if (ZONE_DEVICE && !FS_DAX_LIMITED)
select FS_IOMAP
select DAX
help
Direct Access (DAX) can be used on memory-backed block devices.
If the block device supports DAX and the filesystem supports DAX,
then you can avoid using the pagecache to buffer I/Os. Turning
on this option will compile in support for DAX.
For a DAX device to support file system access it needs to have
struct pages. For the nfit based NVDIMMs this can be enabled
using the ndctl utility:
# ndctl create-namespace --force --reconfig=namespace0.0 \
--mode=fsdax --map=mem
See the 'create-namespace' man page for details on the overhead of
--map=mem:
https://docs.pmem.io/ndctl-user-guide/ndctl-man-pages/ndctl-create-namespace
For ndctl to work CONFIG_DEV_DAX needs to be enabled as well. For most
file systems DAX support needs to be manually enabled globally or
per-inode using a mount option as well. See the file documentation in
Documentation/filesystems/dax.rst for details.
If you do not have a block device that is capable of using this,
or if unsure, say N. Saying Y will increase the size of the kernel
by about 5kB.
config FS_DAX_PMD
bool
default FS_DAX
depends on FS_DAX
depends on ZONE_DEVICE
depends on TRANSPARENT_HUGEPAGE
# Selected by DAX drivers that do not expect filesystem DAX to support
# get_user_pages() of DAX mappings. I.e. "limited" indicates no support
# for fork() of processes with MAP_SHARED mappings or support for
# direct-I/O to a DAX mapping.
config FS_DAX_LIMITED
bool
endif # BLOCK
# Posix ACL utility routines
#
# Note: Posix ACLs can be implemented without these helpers. Never use
# this symbol for ifdefs in core code.
#
config FS_POSIX_ACL
def_bool n
config EXPORTFS
tristate
config EXPORTFS_BLOCK_OPS
bool "Enable filesystem export operations for block IO"
help
This option enables the export operations for a filesystem to support
external block IO.
config FILE_LOCKING
bool "Enable POSIX file locking API" if EXPERT
default y
help
This option enables standard file locking support, required
for filesystems like NFS and for the flock() system
call. Disabling this option saves about 11k.
source "fs/crypto/Kconfig"
source "fs/verity/Kconfig"
source "fs/notify/Kconfig"
source "fs/quota/Kconfig"
source "fs/autofs/Kconfig"
source "fs/fuse/Kconfig"
source "fs/overlayfs/Kconfig"
menu "Caches"
source "fs/netfs/Kconfig"
source "fs/fscache/Kconfig"
source "fs/cachefiles/Kconfig"
endmenu
if BLOCK
menu "CD-ROM/DVD Filesystems"
source "fs/isofs/Kconfig"
source "fs/udf/Kconfig"
endmenu
endif # BLOCK
if BLOCK
menu "DOS/FAT/EXFAT/NT Filesystems"
source "fs/fat/Kconfig"
source "fs/exfat/Kconfig"
source "fs/ntfs/Kconfig"
source "fs/ntfs3/Kconfig"
endmenu
endif # BLOCK
menu "Pseudo filesystems"
source "fs/proc/Kconfig"
source "fs/kernfs/Kconfig"
source "fs/sysfs/Kconfig"
config TMPFS
bool "Tmpfs virtual memory file system support (former shm fs)"
depends on SHMEM
help
Tmpfs is a file system which keeps all files in virtual memory.
Everything in tmpfs is temporary in the sense that no files will be
created on your hard drive. The files live in memory and swap
space. If you unmount a tmpfs instance, everything stored therein is
lost.
See <file:Documentation/filesystems/tmpfs.rst> for details.
config TMPFS_POSIX_ACL
bool "Tmpfs POSIX Access Control Lists"
depends on TMPFS
select TMPFS_XATTR
select FS_POSIX_ACL
help
POSIX Access Control Lists (ACLs) support additional access rights
for users and groups beyond the standard owner/group/world scheme,
and this option selects support for ACLs specifically for tmpfs
filesystems.
If you've selected TMPFS, it's possible that you'll also need
this option as there are a number of Linux distros that require
POSIX ACL support under /dev for certain features to work properly.
For example, some distros need this feature for ALSA-related /dev
files for sound to work properly. In short, if you're not sure,
say Y.
config TMPFS_XATTR
bool "Tmpfs extended attributes"
depends on TMPFS
default n
help
Extended attributes are name:value pairs associated with inodes by
the kernel or by users (see the attr(5) manual page for details).
Currently this enables support for the trusted.* and
security.* namespaces.
You need this for POSIX ACL support on tmpfs.
If unsure, say N.
config TMPFS_INODE64
bool "Use 64-bit ino_t by default in tmpfs"
depends on TMPFS && 64BIT
default n
help
tmpfs has historically used only inode numbers as wide as an unsigned
int. In some cases this can cause wraparound, potentially resulting
in multiple files with the same inode number on a single device. This
option makes tmpfs use the full width of ino_t by default, without
needing to specify the inode64 option when mounting.
But if a long-lived tmpfs is to be accessed by 32-bit applications so
ancient that opening a file larger than 2GiB fails with EINVAL, then
the INODE64 config option and inode64 mount option risk operations
failing with EOVERFLOW once 33-bit inode numbers are reached.
To override this configured default, use the inode32 or inode64
option when mounting.
If unsure, say N.
config ARCH_SUPPORTS_HUGETLBFS
def_bool n
config HUGETLBFS
bool "HugeTLB file system support"
depends on X86 || IA64 || SPARC64 || ARCH_SUPPORTS_HUGETLBFS || BROKEN
help
hugetlbfs is a filesystem backing for HugeTLB pages, based on
ramfs. For architectures that support it, say Y here and read
<file:Documentation/admin-guide/mm/hugetlbpage.rst> for details.
If unsure, say N.
config HUGETLB_PAGE
def_bool HUGETLBFS
config HUGETLB_PAGE_FREE_VMEMMAP
def_bool HUGETLB_PAGE
depends on X86_64
depends on SPARSEMEM_VMEMMAP
config HUGETLB_PAGE_FREE_VMEMMAP_DEFAULT_ON
bool "Default freeing vmemmap pages of HugeTLB to on"
default n
depends on HUGETLB_PAGE_FREE_VMEMMAP
help
When using HUGETLB_PAGE_FREE_VMEMMAP, the freeing unused vmemmap
pages associated with each HugeTLB page is default off. Say Y here
to enable freeing vmemmap pages of HugeTLB by default. It can then
be disabled on the command line via hugetlb_free_vmemmap=off.
config MEMFD_CREATE
def_bool TMPFS || HUGETLBFS
config ARCH_HAS_GIGANTIC_PAGE
bool
source "fs/configfs/Kconfig"
source "fs/efivarfs/Kconfig"
endmenu
menuconfig MISC_FILESYSTEMS
bool "Miscellaneous filesystems"
default y
help
Say Y here to get to see options for various miscellaneous
filesystems, such as filesystems that came from other
operating systems.
This option alone does not add any kernel code.
If you say N, all options in this submenu will be skipped and
disabled; if unsure, say Y here.
if MISC_FILESYSTEMS
source "fs/orangefs/Kconfig"
source "fs/adfs/Kconfig"
source "fs/affs/Kconfig"
source "fs/ecryptfs/Kconfig"
source "fs/hfs/Kconfig"
source "fs/hfsplus/Kconfig"
source "fs/befs/Kconfig"
source "fs/bfs/Kconfig"
source "fs/efs/Kconfig"
source "fs/jffs2/Kconfig"
# UBIFS File system configuration
source "fs/ubifs/Kconfig"
source "fs/cramfs/Kconfig"
source "fs/squashfs/Kconfig"
source "fs/freevxfs/Kconfig"
source "fs/minix/Kconfig"
source "fs/omfs/Kconfig"
source "fs/hpfs/Kconfig"
source "fs/qnx4/Kconfig"
source "fs/qnx6/Kconfig"
source "fs/romfs/Kconfig"
source "fs/pstore/Kconfig"
source "fs/sysv/Kconfig"
source "fs/ufs/Kconfig"
source "fs/erofs/Kconfig"
source "fs/vboxsf/Kconfig"
endif # MISC_FILESYSTEMS
menuconfig NETWORK_FILESYSTEMS
bool "Network File Systems"
default y
depends on NET
help
Say Y here to get to see options for network filesystems and
filesystem-related networking code, such as NFS daemon and
RPCSEC security modules.
This option alone does not add any kernel code.
If you say N, all options in this submenu will be skipped and
disabled; if unsure, say Y here.
if NETWORK_FILESYSTEMS
source "fs/nfs/Kconfig"
source "fs/nfsd/Kconfig"
config GRACE_PERIOD
tristate
config LOCKD
tristate
depends on FILE_LOCKING
select GRACE_PERIOD
config LOCKD_V4
bool
depends on NFSD_V3 || NFS_V3
depends on FILE_LOCKING
default y
config NFS_ACL_SUPPORT
tristate
select FS_POSIX_ACL
config NFS_COMMON
bool
depends on NFSD || NFS_FS || LOCKD
default y
config NFS_V4_2_SSC_HELPER
bool
default y if NFS_V4_2
source "net/sunrpc/Kconfig"
source "fs/ceph/Kconfig"
source "fs/cifs/Kconfig"
source "fs/ksmbd/Kconfig"
config SMBFS_COMMON
tristate
default y if CIFS=y
default m if CIFS=m
source "fs/coda/Kconfig"
source "fs/afs/Kconfig"
source "fs/9p/Kconfig"
endif # NETWORK_FILESYSTEMS
source "fs/nls/Kconfig"
source "fs/dlm/Kconfig"
source "fs/unicode/Kconfig"
config IO_WQ
bool
endmenu
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