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-rw-r--r--fs/Kconfig4
-rw-r--r--fs/Makefile2
-rw-r--r--fs/adfs/Kconfig1
-rw-r--r--fs/affs/Kconfig1
-rw-r--r--fs/befs/Kconfig1
-rw-r--r--fs/bfs/Kconfig1
-rw-r--r--fs/efs/Kconfig1
-rw-r--r--fs/exfat/Kconfig1
-rw-r--r--fs/ext2/Kconfig1
-rw-r--r--fs/ext4/Kconfig1
-rw-r--r--fs/f2fs/Kconfig1
-rw-r--r--fs/fat/Kconfig1
-rw-r--r--fs/freevxfs/Kconfig1
-rw-r--r--fs/gfs2/Kconfig1
-rw-r--r--fs/hfs/Kconfig1
-rw-r--r--fs/hfsplus/Kconfig1
-rw-r--r--fs/hpfs/Kconfig1
-rw-r--r--fs/isofs/Kconfig1
-rw-r--r--fs/jfs/Kconfig1
-rw-r--r--fs/minix/Kconfig1
-rw-r--r--fs/nilfs2/Kconfig1
-rw-r--r--fs/ntfs/Kconfig1
-rw-r--r--fs/ntfs3/Kconfig1
-rw-r--r--fs/ocfs2/Kconfig1
-rw-r--r--fs/omfs/Kconfig1
-rw-r--r--fs/qnx4/Kconfig1
-rw-r--r--fs/qnx6/Kconfig1
-rw-r--r--fs/reiserfs/Kconfig1
-rw-r--r--fs/sysv/Kconfig1
-rw-r--r--fs/udf/Kconfig1
-rw-r--r--fs/ufs/Kconfig1
31 files changed, 34 insertions, 1 deletions
diff --git a/fs/Kconfig b/fs/Kconfig
index 18d034ec7953..e8b17c81b83a 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -18,8 +18,12 @@ config VALIDATE_FS_PARSER
config FS_IOMAP
bool
+config BUFFER_HEAD
+ bool
+
# old blockdev_direct_IO implementation. Use iomap for new code instead
config LEGACY_DIRECT_IO
+ depends on BUFFER_HEAD
bool
if BLOCK
diff --git a/fs/Makefile b/fs/Makefile
index e513aaee0603..f9541f40be4e 100644
--- a/fs/Makefile
+++ b/fs/Makefile
@@ -17,7 +17,7 @@ obj-y := open.o read_write.o file_table.o super.o \
fs_types.o fs_context.o fs_parser.o fsopen.o init.o \
kernel_read_file.o mnt_idmapping.o remap_range.o
-obj-$(CONFIG_BLOCK) += buffer.o mpage.o
+obj-$(CONFIG_BUFFER_HEAD) += buffer.o mpage.o
obj-$(CONFIG_PROC_FS) += proc_namespace.o
obj-$(CONFIG_LEGACY_DIRECT_IO) += direct-io.o
obj-y += notify/
diff --git a/fs/adfs/Kconfig b/fs/adfs/Kconfig
index 44738fed6625..1b97058f0c4a 100644
--- a/fs/adfs/Kconfig
+++ b/fs/adfs/Kconfig
@@ -2,6 +2,7 @@
config ADFS_FS
tristate "ADFS file system support"
depends on BLOCK
+ select BUFFER_HEAD
help
The Acorn Disc Filing System is the standard file system of the
RiscOS operating system which runs on Acorn's ARM-based Risc PC
diff --git a/fs/affs/Kconfig b/fs/affs/Kconfig
index 962b86374e1c..1ae432d266c3 100644
--- a/fs/affs/Kconfig
+++ b/fs/affs/Kconfig
@@ -2,6 +2,7 @@
config AFFS_FS
tristate "Amiga FFS file system support"
depends on BLOCK
+ select BUFFER_HEAD
select LEGACY_DIRECT_IO
help
The Fast File System (FFS) is the common file system used on hard
diff --git a/fs/befs/Kconfig b/fs/befs/Kconfig
index 9550b6462b81..5fcfc4024ffe 100644
--- a/fs/befs/Kconfig
+++ b/fs/befs/Kconfig
@@ -2,6 +2,7 @@
config BEFS_FS
tristate "BeOS file system (BeFS) support (read only)"
depends on BLOCK
+ select BUFFER_HEAD
select NLS
help
The BeOS File System (BeFS) is the native file system of Be, Inc's
diff --git a/fs/bfs/Kconfig b/fs/bfs/Kconfig
index 3a757805b585..8e7ef866b62a 100644
--- a/fs/bfs/Kconfig
+++ b/fs/bfs/Kconfig
@@ -2,6 +2,7 @@
config BFS_FS
tristate "BFS file system support"
depends on BLOCK
+ select BUFFER_HEAD
help
Boot File System (BFS) is a file system used under SCO UnixWare to
allow the bootloader access to the kernel image and other important
diff --git a/fs/efs/Kconfig b/fs/efs/Kconfig
index 2df1bac8b375..0833e533df9d 100644
--- a/fs/efs/Kconfig
+++ b/fs/efs/Kconfig
@@ -2,6 +2,7 @@
config EFS_FS
tristate "EFS file system support (read only)"
depends on BLOCK
+ select BUFFER_HEAD
help
EFS is an older file system used for non-ISO9660 CD-ROMs and hard
disk partitions by SGI's IRIX operating system (IRIX 6.0 and newer
diff --git a/fs/exfat/Kconfig b/fs/exfat/Kconfig
index 147edeb04469..cbeca8e44d9b 100644
--- a/fs/exfat/Kconfig
+++ b/fs/exfat/Kconfig
@@ -2,6 +2,7 @@
config EXFAT_FS
tristate "exFAT filesystem support"
+ select BUFFER_HEAD
select NLS
select LEGACY_DIRECT_IO
help
diff --git a/fs/ext2/Kconfig b/fs/ext2/Kconfig
index 77393fda99af..74d98965902e 100644
--- a/fs/ext2/Kconfig
+++ b/fs/ext2/Kconfig
@@ -1,6 +1,7 @@
# SPDX-License-Identifier: GPL-2.0-only
config EXT2_FS
tristate "Second extended fs support"
+ select BUFFER_HEAD
select FS_IOMAP
select LEGACY_DIRECT_IO
help
diff --git a/fs/ext4/Kconfig b/fs/ext4/Kconfig
index 86699c8cab28..e20d59221fc0 100644
--- a/fs/ext4/Kconfig
+++ b/fs/ext4/Kconfig
@@ -28,6 +28,7 @@ config EXT3_FS_SECURITY
config EXT4_FS
tristate "The Extended 4 (ext4) filesystem"
+ select BUFFER_HEAD
select JBD2
select CRC16
select CRYPTO
diff --git a/fs/f2fs/Kconfig b/fs/f2fs/Kconfig
index 03ef087537c7..68a1e23e1557 100644
--- a/fs/f2fs/Kconfig
+++ b/fs/f2fs/Kconfig
@@ -2,6 +2,7 @@
config F2FS_FS
tristate "F2FS filesystem support"
depends on BLOCK
+ select BUFFER_HEAD
select NLS
select CRYPTO
select CRYPTO_CRC32
diff --git a/fs/fat/Kconfig b/fs/fat/Kconfig
index afe83b4e7172..25fae1c83725 100644
--- a/fs/fat/Kconfig
+++ b/fs/fat/Kconfig
@@ -1,6 +1,7 @@
# SPDX-License-Identifier: GPL-2.0-only
config FAT_FS
tristate
+ select BUFFER_HEAD
select NLS
select LEGACY_DIRECT_IO
help
diff --git a/fs/freevxfs/Kconfig b/fs/freevxfs/Kconfig
index 0e2fc08f7de4..912107ebea6f 100644
--- a/fs/freevxfs/Kconfig
+++ b/fs/freevxfs/Kconfig
@@ -2,6 +2,7 @@
config VXFS_FS
tristate "FreeVxFS file system support (VERITAS VxFS(TM) compatible)"
depends on BLOCK
+ select BUFFER_HEAD
help
FreeVxFS is a file system driver that support the VERITAS VxFS(TM)
file system format. VERITAS VxFS(TM) is the standard file system
diff --git a/fs/gfs2/Kconfig b/fs/gfs2/Kconfig
index 03c966840422..be7f87a8e11a 100644
--- a/fs/gfs2/Kconfig
+++ b/fs/gfs2/Kconfig
@@ -1,6 +1,7 @@
# SPDX-License-Identifier: GPL-2.0-only
config GFS2_FS
tristate "GFS2 file system support"
+ select BUFFER_HEAD
select FS_POSIX_ACL
select CRC32
select LIBCRC32C
diff --git a/fs/hfs/Kconfig b/fs/hfs/Kconfig
index d985066006d5..5ea5cd8ecea9 100644
--- a/fs/hfs/Kconfig
+++ b/fs/hfs/Kconfig
@@ -2,6 +2,7 @@
config HFS_FS
tristate "Apple Macintosh file system support"
depends on BLOCK
+ select BUFFER_HEAD
select NLS
select LEGACY_DIRECT_IO
help
diff --git a/fs/hfsplus/Kconfig b/fs/hfsplus/Kconfig
index 8034e7827a69..8ce4a33a9ac7 100644
--- a/fs/hfsplus/Kconfig
+++ b/fs/hfsplus/Kconfig
@@ -2,6 +2,7 @@
config HFSPLUS_FS
tristate "Apple Extended HFS file system support"
depends on BLOCK
+ select BUFFER_HEAD
select NLS
select NLS_UTF8
select LEGACY_DIRECT_IO
diff --git a/fs/hpfs/Kconfig b/fs/hpfs/Kconfig
index ec975f466877..ac1e9318e65a 100644
--- a/fs/hpfs/Kconfig
+++ b/fs/hpfs/Kconfig
@@ -2,6 +2,7 @@
config HPFS_FS
tristate "OS/2 HPFS file system support"
depends on BLOCK
+ select BUFFER_HEAD
select FS_IOMAP
help
OS/2 is IBM's operating system for PC's, the same as Warp, and HPFS
diff --git a/fs/isofs/Kconfig b/fs/isofs/Kconfig
index 08ffd37b9bb8..51434f2a471b 100644
--- a/fs/isofs/Kconfig
+++ b/fs/isofs/Kconfig
@@ -1,6 +1,7 @@
# SPDX-License-Identifier: GPL-2.0-only
config ISO9660_FS
tristate "ISO 9660 CDROM file system support"
+ select BUFFER_HEAD
help
This is the standard file system used on CD-ROMs. It was previously
known as "High Sierra File System" and is called "hsfs" on other
diff --git a/fs/jfs/Kconfig b/fs/jfs/Kconfig
index 51e856f0e4b8..17488440eef1 100644
--- a/fs/jfs/Kconfig
+++ b/fs/jfs/Kconfig
@@ -1,6 +1,7 @@
# SPDX-License-Identifier: GPL-2.0-only
config JFS_FS
tristate "JFS filesystem support"
+ select BUFFER_HEAD
select NLS
select CRC32
select LEGACY_DIRECT_IO
diff --git a/fs/minix/Kconfig b/fs/minix/Kconfig
index de2003974ff0..90ddfad2a75e 100644
--- a/fs/minix/Kconfig
+++ b/fs/minix/Kconfig
@@ -2,6 +2,7 @@
config MINIX_FS
tristate "Minix file system support"
depends on BLOCK
+ select BUFFER_HEAD
help
Minix is a simple operating system used in many classes about OS's.
The minix file system (method to organize files on a hard disk
diff --git a/fs/nilfs2/Kconfig b/fs/nilfs2/Kconfig
index 7d59567465e1..7dae168e346e 100644
--- a/fs/nilfs2/Kconfig
+++ b/fs/nilfs2/Kconfig
@@ -1,6 +1,7 @@
# SPDX-License-Identifier: GPL-2.0-only
config NILFS2_FS
tristate "NILFS2 file system support"
+ select BUFFER_HEAD
select CRC32
select LEGACY_DIRECT_IO
help
diff --git a/fs/ntfs/Kconfig b/fs/ntfs/Kconfig
index f93e69a61283..7b2509741735 100644
--- a/fs/ntfs/Kconfig
+++ b/fs/ntfs/Kconfig
@@ -1,6 +1,7 @@
# SPDX-License-Identifier: GPL-2.0-only
config NTFS_FS
tristate "NTFS file system support"
+ select BUFFER_HEAD
select NLS
help
NTFS is the file system of Microsoft Windows NT, 2000, XP and 2003.
diff --git a/fs/ntfs3/Kconfig b/fs/ntfs3/Kconfig
index 96cc236f7f7b..cdfdf51e55d7 100644
--- a/fs/ntfs3/Kconfig
+++ b/fs/ntfs3/Kconfig
@@ -1,6 +1,7 @@
# SPDX-License-Identifier: GPL-2.0-only
config NTFS3_FS
tristate "NTFS Read-Write file system support"
+ select BUFFER_HEAD
select NLS
select LEGACY_DIRECT_IO
help
diff --git a/fs/ocfs2/Kconfig b/fs/ocfs2/Kconfig
index 3123da7cfb30..2514d36cbe01 100644
--- a/fs/ocfs2/Kconfig
+++ b/fs/ocfs2/Kconfig
@@ -2,6 +2,7 @@
config OCFS2_FS
tristate "OCFS2 file system support"
depends on INET && SYSFS && CONFIGFS_FS
+ select BUFFER_HEAD
select JBD2
select CRC32
select QUOTA
diff --git a/fs/omfs/Kconfig b/fs/omfs/Kconfig
index 42b2ec35a05b..8470f6c3e64e 100644
--- a/fs/omfs/Kconfig
+++ b/fs/omfs/Kconfig
@@ -2,6 +2,7 @@
config OMFS_FS
tristate "SonicBlue Optimized MPEG File System support"
depends on BLOCK
+ select BUFFER_HEAD
select CRC_ITU_T
help
This is the proprietary file system used by the Rio Karma music
diff --git a/fs/qnx4/Kconfig b/fs/qnx4/Kconfig
index 45b5b98376c4..a2eb826e76c6 100644
--- a/fs/qnx4/Kconfig
+++ b/fs/qnx4/Kconfig
@@ -2,6 +2,7 @@
config QNX4FS_FS
tristate "QNX4 file system support (read only)"
depends on BLOCK
+ select BUFFER_HEAD
help
This is the file system used by the real-time operating systems
QNX 4 and QNX 6 (the latter is also called QNX RTP).
diff --git a/fs/qnx6/Kconfig b/fs/qnx6/Kconfig
index 6a9d6bce1586..8e865d72204e 100644
--- a/fs/qnx6/Kconfig
+++ b/fs/qnx6/Kconfig
@@ -2,6 +2,7 @@
config QNX6FS_FS
tristate "QNX6 file system support (read only)"
depends on BLOCK && CRC32
+ select BUFFER_HEAD
help
This is the file system used by the real-time operating systems
QNX 6 (also called QNX RTP).
diff --git a/fs/reiserfs/Kconfig b/fs/reiserfs/Kconfig
index 4d22ecfe0fab..0e6fe26458fe 100644
--- a/fs/reiserfs/Kconfig
+++ b/fs/reiserfs/Kconfig
@@ -1,6 +1,7 @@
# SPDX-License-Identifier: GPL-2.0-only
config REISERFS_FS
tristate "Reiserfs support (deprecated)"
+ select BUFFER_HEAD
select CRC32
select LEGACY_DIRECT_IO
help
diff --git a/fs/sysv/Kconfig b/fs/sysv/Kconfig
index b4e23e03fbeb..67b3f90afbfd 100644
--- a/fs/sysv/Kconfig
+++ b/fs/sysv/Kconfig
@@ -2,6 +2,7 @@
config SYSV_FS
tristate "System V/Xenix/V7/Coherent file system support"
depends on BLOCK
+ select BUFFER_HEAD
help
SCO, Xenix and Coherent are commercial Unix systems for Intel
machines, and Version 7 was used on the DEC PDP-11. Saying Y
diff --git a/fs/udf/Kconfig b/fs/udf/Kconfig
index 82e8bfa2dfd9..8f7ce30d47fd 100644
--- a/fs/udf/Kconfig
+++ b/fs/udf/Kconfig
@@ -1,6 +1,7 @@
# SPDX-License-Identifier: GPL-2.0-only
config UDF_FS
tristate "UDF file system support"
+ select BUFFER_HEAD
select CRC_ITU_T
select NLS
select LEGACY_DIRECT_IO
diff --git a/fs/ufs/Kconfig b/fs/ufs/Kconfig
index 6d30adb6b890..9301e7ecd092 100644
--- a/fs/ufs/Kconfig
+++ b/fs/ufs/Kconfig
@@ -2,6 +2,7 @@
config UFS_FS
tristate "UFS file system support (read only)"
depends on BLOCK
+ select BUFFER_HEAD
help
BSD and derivate versions of Unix (such as SunOS, FreeBSD, NetBSD,
OpenBSD and NeXTstep) use a file system called UFS. Some System V