Commit 775d3a35 authored by Jens Axboe's avatar Jens Axboe
Browse files

backing-dev: kill unused pdflush_proc_obsolete() 



After commit b35bd0d9, pdflush_proc_obsolete() is no longer
used. Kill the function and declaration.

Reported-by: default avatarRakesh Pandit <rakesh@tuxera.com>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 5fdee212

include/linux/backing-dev.h

+0 −2
Original line number Diff line number Diff line
@@ -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)

{

mm/backing-dev.c

+0 −20
Original line number Diff line number Diff line
@@ -1072,23 +1072,3 @@ long wait_iff_congested(struct pglist_data *pgdat, int sync, long timeout) 
	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;

}