add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/fs/Kconfig
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@@ -1,3 +1,4 @@
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+# 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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@@ -7,6 +8,12 @@
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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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+
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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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@@ -33,11 +40,12 @@
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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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+	depends on !(ARM || MIPS || SPARC) || (ROCKCHIP_RAMDISK && ARM)
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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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@@ -133,9 +141,10 @@
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 endif # BLOCK
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 if BLOCK
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-menu "DOS/FAT/NT Filesystems"
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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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@@ -158,7 +167,7 @@
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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.txt> for details.
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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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@@ -193,6 +202,27 @@
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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 && !(S390 || ALPHA)
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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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+
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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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+
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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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+
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+	  If unsure, say N.
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+
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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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@@ -221,7 +251,7 @@
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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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+	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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@@ -237,7 +267,6 @@
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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/sdcardfs/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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@@ -258,17 +287,16 @@
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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/exofs/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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-
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-source "fs/exofs/Kconfig.ore"
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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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+	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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@@ -319,4 +347,7 @@
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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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+
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 endmenu