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authorLuis Chamberlain <mcgrof@kernel.org>2022-01-21 22:13:20 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2022-01-22 08:33:36 +0200
commit1998f19324d24df7de4e74d81503b4299eb99e7d (patch)
tree1e4e6ddbbe419a2579c728b11ca899359e50ec32 /include
parent66ad398634c21e0a42ce10002ae06c39352da0d1 (diff)
fs: move pipe sysctls to is 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 the pipe sysctls to its own file. Link: https://lkml.kernel.org/r/20211129205548.605569-10-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>
Diffstat (limited to 'include')
-rw-r--r--include/linux/pipe_fs_i.h4
-rw-r--r--include/linux/sysctl.h6
2 files changed, 6 insertions, 4 deletions
diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h
index fc5642431b92..c00c618ef290 100644
--- a/include/linux/pipe_fs_i.h
+++ b/include/linux/pipe_fs_i.h
@@ -238,10 +238,6 @@ void pipe_lock(struct pipe_inode_info *);
void pipe_unlock(struct pipe_inode_info *);
void pipe_double_lock(struct pipe_inode_info *, struct pipe_inode_info *);
-extern unsigned int pipe_max_size;
-extern unsigned long pipe_user_pages_hard;
-extern unsigned long pipe_user_pages_soft;
-
/* Wait for a pipe to be readable/writable while dropping the pipe lock */
void pipe_wait_readable(struct pipe_inode_info *);
void pipe_wait_writable(struct pipe_inode_info *);
diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
index bb921eb8a02d..4294e9668bd5 100644
--- a/include/linux/sysctl.h
+++ b/include/linux/sysctl.h
@@ -221,6 +221,12 @@ extern void __register_sysctl_init(const char *path, struct ctl_table *table,
extern struct ctl_table_header *register_sysctl_mount_point(const char *path);
void do_sysctl_args(void);
+int do_proc_douintvec(struct ctl_table *table, int write,
+ void *buffer, size_t *lenp, loff_t *ppos,
+ int (*conv)(unsigned long *lvalp,
+ unsigned int *valp,
+ int write, void *data),
+ void *data);
extern int pwrsw_enabled;
extern int unaligned_enabled;