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Diffstat (limited to 'kernel/sysctl.c')
-rw-r--r--kernel/sysctl.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 58be76017fd..0ed9fa6f322 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -92,6 +92,7 @@ extern int sysctl_nr_trim_pages;
#ifdef CONFIG_RCU_TORTURE_TEST
extern int rcutorture_runnable;
#endif /* #ifdef CONFIG_RCU_TORTURE_TEST */
+extern int blk_iopoll_enabled;
/* Constants used for minimum and maximum */
#ifdef CONFIG_DETECT_SOFTLOCKUP
@@ -990,7 +991,14 @@ static struct ctl_table kern_table[] = {
.proc_handler = &proc_dointvec,
},
#endif
-
+ {
+ .ctl_name = CTL_UNNUMBERED,
+ .procname = "blk_iopoll",
+ .data = &blk_iopoll_enabled,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec,
+ },
/*
* NOTE: do not add new entries to this table unless you have read
* Documentation/sysctl/ctl_unnumbered.txt