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authorJia He <hejianet@gmail.com>2021-08-03 12:59:36 +0200
committerChuck Lever <chuck.lever@oracle.com>2021-08-17 11:47:53 -0400
commita2071573d6346819cc4e5787b4206f2184985160 (patch)
tree29b4e98e0d31a6e0e2516595818769c216f5e9bb /include/linux/sysctl.h
parent5c11720767f70d34357d00a15ba5a0ad052c40fe (diff)
downloadlinux-a2071573d6346819cc4e5787b4206f2184985160.tar.gz
sysctl: introduce new proc handler proc_dobool
This is to let bool variable could be correctly displayed in big/little endian sysctl procfs. sizeof(bool) is arch dependent, proc_dobool should work in all arches. Suggested-by: Pan Xinhui <xinhui@linux.vnet.ibm.com> Signed-off-by: Jia He <hejianet@gmail.com> [thuth: rebased the patch to the current kernel version] Signed-off-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to 'include/linux/sysctl.h')
-rw-r--r--include/linux/sysctl.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
index d99ca99837deb..1fa2b69c6fc3d 100644
--- a/include/linux/sysctl.h
+++ b/include/linux/sysctl.h
@@ -48,6 +48,8 @@ typedef int proc_handler(struct ctl_table *ctl, int write, void *buffer,
size_t *lenp, loff_t *ppos);
int proc_dostring(struct ctl_table *, int, void *, size_t *, loff_t *);
+int proc_dobool(struct ctl_table *table, int write, void *buffer,
+ size_t *lenp, loff_t *ppos);
int proc_dointvec(struct ctl_table *, int, void *, size_t *, loff_t *);
int proc_douintvec(struct ctl_table *, int, void *, size_t *, loff_t *);
int proc_dointvec_minmax(struct ctl_table *, int, void *, size_t *, loff_t *);