summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorJens Axboe <axboe@kernel.dk>2017-10-06 08:15:15 -0600
committerJens Axboe <axboe@kernel.dk>2017-10-06 08:15:15 -0600
commit775d3a35dc3e13de55ec0e061c59e36faa7dd7f0 (patch)
tree006257a573a0d543a52c18c12dfe800259fc7af2
parent5fdee2127faa77c9c91862ad5e001dfab7013e92 (diff)
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 <rakesh@tuxera.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
-rw-r--r--include/linux/backing-dev.h2
-rw-r--r--mm/backing-dev.c20
2 files changed, 0 insertions, 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;
-}