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9c011be132
linux/fs
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Luis Chamberlain 9c011be132 fs: move namei sysctls to its own file 
kernel/sysctl.c is a kitchen sink where everyone leaves their dirty
dishes, this makes it very difficult to maintain.

To help with this maintenance let's start by moving sysctls to places
where they actually belong.  The proc sysctl maintainers do not want to
know what sysctl knobs you wish to add for your own piece of code, we
just care about the core logic.

So move namei's own sysctl knobs to its own file.

Other than the move we also avoid initializing two static variables to 0
as this is not needed:

  * sysctl_protected_symlinks
  * sysctl_protected_hardlinks

Link: https://lkml.kernel.org/r/20211129205548.605569-8-mcgrof@kernel.org
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Antti Palosaari <crope@iki.fi>
Cc: Eric Biederman <ebiederm@xmission.com>
Cc: Iurii Zaikin <yzaikin@google.com>
Cc: "J. Bruce Fields" <bfields@fieldses.org>
Cc: Jeff Layton <jlayton@kernel.org>
Cc: Kees Cook <keescook@chromium.org>
Cc: Lukas Middendorf <kernel@tuxforce.de>
Cc: Stephen Kitt <steve@sk2.org>
Cc: Xiaoming Ni <nixiaoming@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-01-22 08:33:36 +02:00
..
9p 9p-for-5.17-rc1: fixes, split 9p_net_fd, new reviewer 2022-01-16 07:36:49 +02:00
adfs fs/adfs: remove unneeded variable make code cleaner 2022-01-20 08:52:55 +02:00
affs affs: use bdev_nr_sectors instead of open coding it 2021-10-18 14:43:22 -06:00
afs fscache rewrite 2022-01-12 13:45:12 -08:00
autofs autofs: fix wait name hash calculation in autofs_wait() 2021-10-20 21:09:02 -04:00
befs isystem: ship and use stdarg.h 2021-08-19 09:02:55 +09:00
bfs mm: require ->set_page_dirty to be explicitly wired up 2021-06-29 10:53:48 -07:00
btrfs Merge branch 'akpm' (patches from Andrew) 2022-01-20 10:41:01 +02:00
cachefiles fscache rewrite 2022-01-12 13:45:12 -08:00
ceph The highlight is the new mount "device" string syntax implemented 2022-01-20 13:46:20 +02:00
cifs 13 cifs/smb3 fixes, mostly multichannel, reconnect relate 2022-01-17 09:53:21 +02:00
coda coda: bump module version to 7.2 2021-11-09 10:02:51 -08:00
configfs configfs: fix a race in configfs_lookup() 2021-08-25 07:58:49 +02:00
cramfs cramfs: use bdev_nr_bytes instead of open coding it 2021-10-18 14:43:22 -06:00
crypto fscrypt: improve a few comments 2021-10-25 19:11:50 -07:00
debugfs debugfs: lockdown: Allow reading debugfs files that are not world readable 2022-01-06 15:47:41 +01:00
devpts
dlm driver core changes for 5.17-rc1 2022-01-12 11:11:34 -08:00
ecryptfs fs: add is_idmapped_mnt() helper 2021-12-03 18:44:06 +01:00
efivarfs
efs
erofs dax + libnvdimm for v5.17 2022-01-12 15:46:11 -08:00
exfat exfat: fix missing REQ_SYNC in exfat_update_bhs() 2022-01-10 11:00:04 +09:00
exportfs
ext2 fsdax: shift partition offset handling into the file systems 2021-12-04 08:58:54 -08:00
ext4 unicode patches for 5.17 2022-01-17 05:40:02 +02:00
f2fs f2fs-for-5.17-rc1 2022-01-19 11:50:20 +02:00
fat FAT: use io_schedule_timeout() instead of congestion_wait() 2022-01-20 08:52:54 +02:00
freevxfs
fscache fscache: Add a tracepoint for cookie use/unuse 2022-01-11 22:13:01 +00:00
fuse virtio,vdpa,qemu_fw_cfg: features, cleanups, fixes 2022-01-18 10:05:48 +02:00
gfs2 driver core changes for 5.17-rc1 2022-01-12 11:11:34 -08:00
hfs Merge branch 'akpm' (patches from Andrew) 2021-11-09 10:11:53 -08:00
hfsplus hfsplus: use struct_group_attr() for memcpy() region 2022-01-20 08:52:54 +02:00
hostfs hostfs: Fix writeback of dirty pages 2021-12-21 21:44:27 +01:00
hpfs treewide: Replace open-coded flex arrays in unions 2021-10-18 12:28:53 -07:00
hugetlbfs hugetlbfs: fix off-by-one error in hugetlb_vmdelete_list() 2022-01-15 16:30:30 +02:00
iomap dax + libnvdimm for v5.17 2022-01-12 15:46:11 -08:00
isofs isofs: Fix out of bound access for corrupted isofs image 2021-10-19 12:51:02 +02:00
jbd2 ext4: use ext4_journal_start/stop for fast commit transactions 2021-12-23 18:13:25 -05:00
jffs2 Merge branch 'signal-for-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2022-01-17 05:49:30 +02:00
jfs Just one JFS patch 2021-11-03 09:23:25 -07:00
kernfs kernfs: prevent early freeing of root node 2021-12-03 14:36:21 +01:00
ksmbd 23 ksmbd server fixes 2022-01-20 13:39:13 +02:00
lockd Merge branch 'signal-for-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2022-01-17 05:49:30 +02:00
minix mm: require ->set_page_dirty to be explicitly wired up 2021-06-29 10:53:48 -07:00
netfs netfs: Pass more information on how to deal with a hole in the cache 2022-01-07 09:22:19 +00:00
nfs Merge branch 'signal-for-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2022-01-17 05:49:30 +02:00
nfs_common nfs: Fix kerneldoc warning shown up by W=1 2021-10-04 22:02:17 +01:00
nfsd Merge branch 'signal-for-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2022-01-17 05:49:30 +02:00
nilfs2 Merge branch 'akpm' (patches from Andrew) 2022-01-20 10:41:01 +02:00
nls
notify inotify: simplify subdirectory registration with register_sysctl() 2022-01-22 08:33:35 +02:00
ntfs fs/ntfs/attrib.c: fix one kernel-doc comment 2022-01-15 16:30:24 +02:00
ntfs3 gfs2: Fix mmap + page fault deadlocks 2021-11-02 12:25:03 -07:00
ocfs2 ocfs2: simplify subdirectory registration with register_sysctl() 2022-01-22 08:33:35 +02:00
omfs mm: require ->set_page_dirty to be explicitly wired up 2021-06-29 10:53:48 -07:00
openpromfs
orangefs orangefs: Fix the size of a memory allocation in orangefs_bufmap_alloc() 2021-12-31 14:37:43 -05:00
overlayfs fs: add is_idmapped_mnt() helper 2021-12-03 18:44:06 +01:00
proc sysctl: move maxolduid as a sysctl specific const 2022-01-22 08:33:36 +02:00
pstore pstore update for v5.17-rc1 2022-01-10 11:48:37 -08:00
qnx4 qnx4: work around gcc false positive warning bug 2021-09-21 08:36:48 -07:00
qnx6
quota \n 2021-11-06 16:40:48 -07:00
ramfs Merge branch 'akpm' (patches from Andrew) 2021-11-09 10:11:53 -08:00
reiserfs reiserfs: don't use congestion_wait() 2021-11-18 11:52:22 +01:00
romfs
smbfs_common cifs: Fix crash on unload of cifs_arc4.ko 2021-12-07 22:38:03 -06:00
squashfs squashfs: provide backing_dev_info in order to disable read-ahead 2022-01-15 16:30:24 +02:00
sysfs fs/sysfs/dir.c: replace S_IRWXU|S_IRUGO|S_IXUGO with 0755 sysfs_create_dir_ns() 2021-10-05 16:35:05 +02:00
sysv sysv: use BUILD_BUG_ON instead of runtime check 2021-11-09 10:02:52 -08:00
tracefs Tracing updates for 5.17: 2022-01-16 10:15:32 +02:00
ubifs ubifs: read-only if LEB may always be taken in ubifs_garbage_collect 2021-12-23 22:30:38 +01:00
udf udf: Fix error handling in udf_new_inode() 2021-12-15 13:08:34 +01:00
ufs isystem: ship and use stdarg.h 2021-08-19 09:02:55 +09:00
unicode unicode: fix .gitignore for generated utfdata file 2022-01-17 07:26:43 +02:00
vboxsf vboxfs: fix broken legacy mount signature checking 2021-09-27 11:26:21 -07:00
verity fs-verity: fix signed integer overflow with i_size near S64_MAX 2021-09-22 10:56:34 -07:00
xfs Withdraw the XFS_IOC_ALLOCSP* and XFS_IOC_FREESP* ioctl definitions. 2022-01-21 08:51:48 +02:00
zonefs zonefs: add MODULE_ALIAS_FS 2021-12-17 16:56:35 +09:00
aio.c aio: move aio sysctl to aio.c 2022-01-22 08:33:34 +02:00
anon_inodes.c fs: add anon_inode_getfile_secure() similar to anon_inode_getfd_secure() 2021-09-19 22:35:37 -04:00
attr.c fs: handle circular mappings correctly 2021-11-17 09:26:09 +01:00
bad_inode.c vfs: add rcu argument to ->get_acl() callback 2021-08-18 22:08:24 +02:00
binfmt_aout.c binfmt: a.out: Fix bogus semicolon 2021-09-05 10:15:05 -07:00
binfmt_elf_fdpic.c coredump: Limit coredumps to a single thread group 2021-10-08 12:06:02 -05:00
binfmt_elf.c fs/binfmt_elf: use PT_LOAD p_align values for static PIE 2022-01-20 08:52:54 +02:00
binfmt_flat.c binfmt: remove in-tree usage of MAP_EXECUTABLE 2021-06-29 10:53:50 -07:00
binfmt_misc.c fs: move binfmt_misc sysctl to its own file 2022-01-22 08:33:35 +02:00
binfmt_script.c
buffer.c fs/buffer: Convert __block_write_begin_int() to take a folio 2021-12-16 15:49:51 -05:00
char_dev.c
compat_binfmt_elf.c
coredump.c signal: Remove the helper signal_group_exit 2022-01-08 12:43:57 -06:00
d_path.c d_path: fix Kernel doc validator complaining 2021-11-06 13:30:32 -07:00
dax.c dax: remove the copy_from_iter and copy_to_iter methods 2021-12-18 08:04:53 -08:00
dcache.c fs: move dcache sysctls to its own file 2022-01-22 08:33:36 +02:00
direct-io.c fs: get rid of the res2 iocb->ki_complete argument 2021-10-25 10:36:24 -06:00
drop_caches.c fs: drop_caches: fix skipping over shadow cache inodes 2021-09-03 09:58:10 -07:00
eventfd.c eventfd: Export eventfd_wake_count to modules 2021-09-06 07:20:56 -04:00
eventpoll.c eventpoll: simplify sysctl declaration with register_sysctl() 2022-01-22 08:33:35 +02:00
exec.c Merge branch 'akpm' (patches from Andrew) 2022-01-20 10:41:01 +02:00
fcntl.c Merge branch 'akpm' (patches from Andrew) 2021-09-03 10:08:28 -07:00
fhandle.c
file_table.c fs: move fs stat sysctls to file_table.c 2022-01-22 08:33:36 +02:00
file.c fget: clarify and improve __fget_files() implementation 2021-12-13 10:55:30 -08:00
filesystems.c fs: simplify get_filesystem_list / get_all_fs_names 2021-08-23 01:25:40 -04:00
fs_context.c vfs: fs_context: fix up param length parsing in legacy_parse_param 2022-01-18 09:23:19 +02:00
fs_parser.c fs_parse: allow parameter value to be empty 2021-12-09 14:09:36 -05:00
fs_pin.c
fs_struct.c
fs_types.c
fs-writeback.c fscache rewrite 2022-01-12 13:45:12 -08:00
fsopen.c
init.c
inode.c fs: move inode sysctls to its own file 2022-01-22 08:33:35 +02:00
internal.h fs/buffer: Convert __block_write_begin_int() to take a folio 2021-12-16 15:49:51 -05:00
io_uring.c io_uring: perform poll removal even if async work removal is successful 2022-01-18 19:28:43 -07:00
io-wq.c io_uring-5.17-2022-01-21 2022-01-21 16:07:21 +02:00
io-wq.h Merge branch 'signal-for-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2022-01-17 05:49:30 +02:00
ioctl.c fs/ioctl: remove unnecessary __user annotation 2022-01-15 16:30:25 +02:00
Kconfig cachefiles: Introduce rewritten driver 2022-01-07 13:40:39 +00:00
Kconfig.binfmt binfmt: remove support for em86 (alpha only) 2021-07-25 22:33:03 -07:00
kernel_read_file.c vfs: check fd has read access in kernel_read_file_from_fd() 2021-10-18 20:22:03 -10:00
libfs.c libfs: Support RENAME_EXCHANGE in simple_rename() 2021-11-03 15:43:08 +01:00
locks.c fs: move locking sysctls where they are used 2022-01-22 08:33:36 +02:00
Makefile fs: move shared sysctls to fs/sysctls.c 2022-01-22 08:33:36 +02:00
mbcache.c
mount.h
mpage.c
namei.c fs: move namei sysctls to its own file 2022-01-22 08:33:36 +02:00
namespace.c fs.idmapped.v5.17 2022-01-11 14:26:55 -08:00
no-block.c
nsfs.c
open.c fs: support mapped mounts of mapped filesystems 2021-12-05 10:28:57 +01:00
pipe.c Revert "mm/gup: remove try_get_page(), call try_get_compound_head() directly" 2021-09-07 11:03:45 -07:00
pnode.c
pnode.h
posix_acl.c fs: support mapped mounts of mapped filesystems 2021-12-05 10:28:57 +01:00
proc_namespace.c fs: add is_idmapped_mnt() helper 2021-12-03 18:44:06 +01:00
read_write.c fs: remove leftover comments from mandatory locking removal 2021-10-26 12:20:50 -04:00
readdir.c
remap_range.c fs: Convert vfs_dedupe_file_range_compare to folios 2022-01-08 00:28:41 -05:00
select.c select: Fix indefinitely sleeping task in poll_schedule_timeout() 2022-01-11 09:03:05 -08:00
seq_file.c seq_file: move seq_escape() to a header 2021-11-09 10:02:52 -08:00
signalfd.c Merge branch 'signal-for-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2022-01-17 05:49:30 +02:00
splice.c
stack.c
stat.c fs: add generic helper for filling statx attribute flags 2021-08-17 11:47:43 +02:00
statfs.c
super.c devtmpfs regression fix: reconfigure on each mount 2022-01-17 09:40:29 +02:00
sync.c block: simplify the block device syncing code 2021-10-22 08:36:55 -06:00
sysctls.c fs: move shared sysctls to fs/sysctls.c 2022-01-22 08:33:36 +02:00
timerfd.c timerfd: Provide timerfd_resume() 2021-08-10 17:57:22 +02:00
userfaultfd.c mm: move anon_vma declarations to linux/mm_inline.h 2022-01-15 16:30:27 +02:00
utimes.c
xattr.c