From 775d3a35dc3e13de55ec0e061c59e36faa7dd7f0 Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Fri, 6 Oct 2017 08:15:15 -0600 Subject: backing-dev: kill unused pdflush_proc_obsolete() After commit b35bd0d9f8a8, pdflush_proc_obsolete() is no longer used. Kill the function and declaration. Reported-by: Rakesh Pandit Signed-off-by: Jens Axboe --- include/linux/backing-dev.h | 2 -- mm/backing-dev.c | 20 -------------------- 2 files changed, 22 deletions(-) diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h index 157e950a70dc..872afa41abc2 100644 --- a/include/linux/backing-dev.h +++ b/include/linux/backing-dev.h @@ -172,8 +172,6 @@ static inline int wb_congested(struct bdi_writeback *wb, int cong_bits) long congestion_wait(int sync, long timeout); long wait_iff_congested(struct pglist_data *pgdat, int sync, long timeout); -int pdflush_proc_obsolete(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos); static inline bool bdi_cap_stable_pages_required(struct backing_dev_info *bdi) { diff --git a/mm/backing-dev.c b/mm/backing-dev.c index e19606bb41a0..74b52dfd5852 100644 --- a/mm/backing-dev.c +++ b/mm/backing-dev.c @@ -1072,23 +1072,3 @@ out: return ret; } EXPORT_SYMBOL(wait_iff_congested); - -int pdflush_proc_obsolete(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) -{ - char kbuf[] = "0\n"; - - if (*ppos || *lenp < sizeof(kbuf)) { - *lenp = 0; - return 0; - } - - if (copy_to_user(buffer, kbuf, sizeof(kbuf))) - return -EFAULT; - pr_warn_once("%s exported in /proc is scheduled for removal\n", - table->procname); - - *lenp = 2; - *ppos += *lenp; - return 2; -} -- cgit v1.2.3-59-g8ed1b