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925c86a19b
linux/fs
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Christoph Hellwig 925c86a19b fs: add CONFIG_BUFFER_HEAD 
Add a new config option that controls building the buffer_head code, and
select it from all file systems and stacking drivers that need it.

For the block device nodes and alternative iomap based buffered I/O path
is provided when buffer_head support is not enabled, and iomap needs a
a small tweak to define the IOMAP_F_BUFFER_HEAD flag to 0 to not call
into the buffer_head code when it doesn't exist.

Otherwise this is just Kconfig and ifdef changes.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Luis Chamberlain <mcgrof@kernel.org>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Link: https://lore.kernel.org/r/20230801172201.1923299-7-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2023-08-02 09:13:09 -06:00
..
9p 9p: Add splice_read wrapper 2023-05-24 08:42:16 -06:00
adfs fs: add CONFIG_BUFFER_HEAD 2023-08-02 09:13:09 -06:00
affs fs: add CONFIG_BUFFER_HEAD 2023-08-02 09:13:09 -06:00
afs afs: Fix accidental truncation when storing data 2023-07-04 12:24:32 -07:00
autofs autofs: set ctime as well when mtime changes on a dir 2023-06-15 09:22:24 +02:00
befs fs: add CONFIG_BUFFER_HEAD 2023-08-02 09:13:09 -06:00
bfs fs: add CONFIG_BUFFER_HEAD 2023-08-02 09:13:09 -06:00
btrfs - Yosry Ahmed brought back some cgroup v1 stats in OOM logs. 2023-06-28 10:28:11 -07:00
cachefiles v6.5/vfs.file 2023-06-26 10:14:36 -07:00
ceph A bunch of CephFS fixups from Xiubo, mostly around dropping caps, along 2023-07-07 15:07:20 -07:00
coda coda: Implement splice-read 2023-05-24 08:42:16 -06:00
configfs fs: consolidate duplicate dt_type helpers 2023-04-03 09:23:54 +02:00
cramfs splice: Use filemap_splice_read() instead of generic_file_splice_read() 2023-05-24 08:42:17 -06:00
crypto fscrypt: Replace 1-element array with flexible array 2023-05-23 19:46:09 -07:00
debugfs debugfs: Correct the 'debugfs_create_str' docs 2023-05-31 19:02:14 +01:00
devpts devpts: simplify two-level sysctl registration for pty_kern_table 2023-03-13 12:36:34 +01:00
dlm dlm for 6.5 2023-06-29 13:27:50 -07:00
ecryptfs splice: Use filemap_splice_read() instead of generic_file_splice_read() 2023-05-24 08:42:17 -06:00
efivarfs efivarfs: expose used and total size 2023-05-17 18:21:34 +02:00
efs fs: add CONFIG_BUFFER_HEAD 2023-08-02 09:13:09 -06:00
erofs erofs: fix fsdax unavailability for chunk-based regular files 2023-07-12 00:50:56 +08:00
exfat fs: add CONFIG_BUFFER_HEAD 2023-08-02 09:13:09 -06:00
exportfs exportfs: add explicit flag to request non-decodeable file handles 2023-05-22 18:08:37 +02:00
ext2 fs: add CONFIG_BUFFER_HEAD 2023-08-02 09:13:09 -06:00
ext4 fs: add CONFIG_BUFFER_HEAD 2023-08-02 09:13:09 -06:00
f2fs fs: add CONFIG_BUFFER_HEAD 2023-08-02 09:13:09 -06:00
fat fs: add CONFIG_BUFFER_HEAD 2023-08-02 09:13:09 -06:00
freevxfs fs: add CONFIG_BUFFER_HEAD 2023-08-02 09:13:09 -06:00
fscache fscache: Use clear_and_wake_up_bit() in fscache_create_volume_work() 2023-01-30 12:51:54 +00:00
fuse libnvdimm for 6.5 2023-07-01 08:48:02 -07:00
gfs2 fs: add CONFIG_BUFFER_HEAD 2023-08-02 09:13:09 -06:00
hfs fs: add CONFIG_BUFFER_HEAD 2023-08-02 09:13:09 -06:00
hfsplus fs: add CONFIG_BUFFER_HEAD 2023-08-02 09:13:09 -06:00
hostfs Landlock updates for v6.5-rc1 2023-06-27 17:10:27 -07:00
hpfs fs: add CONFIG_BUFFER_HEAD 2023-08-02 09:13:09 -06:00
hugetlbfs hugetlb: revert use of page_cache_next_miss() 2023-06-23 16:59:32 -07:00
iomap fs: rename and move block_page_mkwrite_return 2023-08-02 09:13:09 -06:00
isofs fs: add CONFIG_BUFFER_HEAD 2023-08-02 09:13:09 -06:00
jbd2 Various cleanups and bug fixes in ext4's extent status tree, 2023-06-29 13:18:36 -07:00
jffs2 for-6.5/splice-2023-06-23 2023-06-26 11:52:12 -07:00
jfs fs: add CONFIG_BUFFER_HEAD 2023-08-02 09:13:09 -06:00
kernfs driver core changes for 6.5-rc1 2023-07-03 12:56:23 -07:00
lockd NFS client updates for Linux 6.5 2023-07-01 14:38:25 -07:00
minix fs: add CONFIG_BUFFER_HEAD 2023-08-02 09:13:09 -06:00
netfs Move netfs_extract_iter_to_sg() to lib/scatterlist.c 2023-06-08 13:42:33 +02:00
nfs NFS client updates for Linux 6.5 2023-07-01 14:38:25 -07:00
nfs_common NFSv4.2: remove MODULE_LICENSE in non-modules 2023-04-13 13:13:52 -07:00
nfsd nfsd-6.5 fixes: 2023-06-30 21:48:44 -07:00
nilfs2 fs: add CONFIG_BUFFER_HEAD 2023-08-02 09:13:09 -06:00
nls
notify fanotify: disallow mount/sb marks on kernel internal pseudo fs 2023-07-04 13:29:29 +02:00
ntfs fs: add CONFIG_BUFFER_HEAD 2023-08-02 09:13:09 -06:00
ntfs3 fs: add CONFIG_BUFFER_HEAD 2023-08-02 09:13:09 -06:00
ocfs2 fs: add CONFIG_BUFFER_HEAD 2023-08-02 09:13:09 -06:00
omfs fs: add CONFIG_BUFFER_HEAD 2023-08-02 09:13:09 -06:00
openpromfs
orangefs orangefs: Provide a splice-read wrapper 2023-05-24 08:42:16 -06:00
overlayfs ovl: move all parameter handling into params.{c,h} 2023-07-03 16:08:17 +03:00
proc asm-generic updates for 6.5 2023-07-06 10:06:04 -07:00
pstore pstore updates for v6.5-rc1 2023-06-27 21:21:32 -07:00
qnx4 fs: add CONFIG_BUFFER_HEAD 2023-08-02 09:13:09 -06:00
qnx6 fs: add CONFIG_BUFFER_HEAD 2023-08-02 09:13:09 -06:00
quota quota: fix warning in dqgrab() 2023-06-05 16:50:30 +02:00
ramfs - Yosry Ahmed brought back some cgroup v1 stats in OOM logs. 2023-06-28 10:28:11 -07:00
reiserfs fs: add CONFIG_BUFFER_HEAD 2023-08-02 09:13:09 -06:00
romfs splice: Use filemap_splice_read() instead of generic_file_splice_read() 2023-05-24 08:42:17 -06:00
smb cifs: fix mid leak during reconnection after timeout threshold 2023-07-14 11:25:08 -05:00
squashfs squashfs: fix cache race with migration 2023-07-08 09:29:30 -07:00
sysfs sysfs: Skip empty folders creation 2023-06-15 13:37:53 +02:00
sysv fs: add CONFIG_BUFFER_HEAD 2023-08-02 09:13:09 -06:00
tracefs fs: port ->mkdir() to pass mnt_idmap 2023-01-19 09:24:26 +01:00
ubifs splice: Use filemap_splice_read() instead of generic_file_splice_read() 2023-05-24 08:42:17 -06:00
udf fs: add CONFIG_BUFFER_HEAD 2023-08-02 09:13:09 -06:00
ufs fs: add CONFIG_BUFFER_HEAD 2023-08-02 09:13:09 -06:00
unicode unicode: remove MODULE_LICENSE in non-modules 2023-04-13 13:13:54 -07:00
vboxsf hardening updates for v6.5-rc1 2023-06-27 21:24:18 -07:00
verity fsverity: improve documentation for builtin signature support 2023-06-20 22:47:55 -07:00
xfs Minor cleanups for 6.5: 2023-07-09 09:50:42 -07:00
zonefs - Yosry Ahmed brought back some cgroup v1 stats in OOM logs. 2023-06-28 10:28:11 -07:00
aio.c fs/aio: Stop allocating aio rings from HIGHMEM 2023-06-15 09:22:23 +02:00
anon_inodes.c
attr.c nfs: use vfs setgid helper 2023-03-30 08:51:48 +02:00
bad_inode.c fs: port ->permission() to pass mnt_idmap 2023-01-19 09:24:28 +01:00
binfmt_elf_fdpic.c binfmt: Slightly simplify elf_fdpic_map_file() 2023-05-30 15:49:46 -07:00
binfmt_elf_test.c
binfmt_elf.c Merge branch 'expand-stack' 2023-06-28 20:35:21 -07:00
binfmt_flat.c
binfmt_misc.c
binfmt_script.c
buffer.c fs: remove emergency_thaw_bdev 2023-08-02 09:13:09 -06:00
char_dev.c vfs: Replace all non-returning strlcpy with strscpy 2023-05-15 09:42:01 +02:00
compat_binfmt_elf.c
coredump.c v6.5/vfs.misc 2023-06-26 09:50:21 -07:00
d_path.c fs: d_path: include internal.h 2023-05-17 09:16:59 +02:00
dax.c dax: enable dax fault handler to report VM_FAULT_HWPOISON 2023-06-26 07:54:23 -06:00
dcache.c
direct-io.c - Yosry Ahmed brought back some cgroup v1 stats in OOM logs. 2023-06-28 10:28:11 -07:00
drop_caches.c
eventfd.c eventfd: show the EFD_SEMAPHORE flag in fdinfo 2023-06-15 09:22:23 +02:00
eventpoll.c v6.5/vfs.misc 2023-06-26 09:50:21 -07:00
exec.c \n 2023-06-29 13:31:44 -07:00
fcntl.c fs.idmapped.v6.3 2023-02-20 11:53:11 -08:00
fhandle.c fsnotify: move fsnotify_open() hook into do_dentry_open() 2023-06-12 10:43:45 +02:00
file_table.c fs: move cleanup from init_file() into its callers 2023-07-02 13:15:49 +02:00
file.c fs: prevent out-of-bounds array speculation when closing a file descriptor 2023-03-09 22:46:21 -05:00
filesystems.c
fs_context.c fs: avoid empty option when generating legacy mount string 2023-06-07 21:49:55 +02:00
fs_parser.c
fs_pin.c
fs_struct.c
fs_types.c
fs-writeback.c writeback: move wb_over_bg_thresh() call outside lock section 2023-06-09 16:25:14 -07:00
fsopen.c
init.c fs: port ->permission() to pass mnt_idmap 2023-01-19 09:24:28 +01:00
inode.c fs: don't assume arguments are non-NULL 2023-07-04 10:21:11 +02:00
internal.h fs: remove emergency_thaw_bdev 2023-08-02 09:13:09 -06:00
ioctl.c fs: port inode_owner_or_capable() to mnt_idmap 2023-01-19 09:24:29 +01:00
Kconfig fs: add CONFIG_BUFFER_HEAD 2023-08-02 09:13:09 -06:00
Kconfig.binfmt
kernel_read_file.c
libfs.c fs: factor out a direct_write_fallback helper 2023-06-09 16:25:53 -07:00
locks.c filelocks: use mount idmapping for setlease permission check 2023-03-09 22:36:12 +01:00
Makefile fs: add CONFIG_BUFFER_HEAD 2023-08-02 09:13:09 -06:00
mbcache.c
mnt_idmapping.c fs: move mnt_idmap 2023-01-19 09:24:30 +01:00
mount.h
mpage.c mpage: use folios in bio end_io handler 2023-04-18 16:30:02 -07:00
namei.c fs: no need to check source 2023-07-04 10:20:29 +02:00
namespace.c v6.5/vfs.mount 2023-06-26 10:27:04 -07:00
nsfs.c kill the last remaining user of proc_ns_fget() 2023-04-20 22:55:35 -04:00
open.c \n 2023-06-29 13:31:44 -07:00
pipe.c pipe: check for IOCB_NOWAIT alongside O_NONBLOCK 2023-05-12 17:17:27 +02:00
pnode.c fs: allow to mount beneath top mount 2023-05-19 04:30:22 +02:00
pnode.h fs: allow to mount beneath top mount 2023-05-19 04:30:22 +02:00
posix_acl.c acl: don't depend on IOP_XATTR 2023-03-06 09:59:20 +01:00
proc_namespace.c tty, proc, kernfs, random: Use copy_splice_read() 2023-05-24 08:42:16 -06:00
read_write.c splice: Use filemap_splice_read() instead of generic_file_splice_read() 2023-05-24 08:42:17 -06:00
readdir.c readdir: Replace one-element arrays with flexible-array members 2023-06-21 09:06:59 +02:00
remap_range.c fs: use UB-safe check for signed addition overflow in remap_verify_area 2023-05-24 11:03:59 +02:00
select.c
seq_file.c
signalfd.c
splice.c Networking changes for 6.5. 2023-06-28 16:43:10 -07:00
stack.c
stat.c fs.idmapped.v6.3 2023-02-20 11:53:11 -08:00
statfs.c statfs: enforce statfs[64] structure initialization 2023-05-17 15:20:17 +02:00
super.c fs: remove emergency_thaw_bdev 2023-08-02 09:13:09 -06:00
sync.c
sysctls.c sysctl: Refactor base paths registrations 2023-05-23 21:43:26 -07:00
timerfd.c
userfaultfd.c Merge mm-hotfixes-stable into mm-stable to pick up depended-upon changes. 2023-06-23 16:58:19 -07:00
utimes.c fs.idmapped.v6.3 2023-02-20 11:53:11 -08:00
xattr.c fs: don't call posix_acl_listxattr in generic_listxattr 2023-05-17 15:25:20 +02:00