summaryrefslogtreecommitdiff
path: root/mm
diff options
context:
space:
mode:
authorChristoph Hellwig <hch@lst.de>2018-03-05 18:26:05 +0300
committerChristoph Hellwig <hch@lst.de>2018-05-26 10:16:44 +0300
commit9965ed174e7d38896e5d2582159d8ef31ecd4cb5 (patch)
tree955bfa805fff87c169a4814deaf311b90cca84b2 /mm
parent6e8b704df58407aad7607053cb1b5ead4ac4a0bc (diff)
downloadlinux-9965ed174e7d38896e5d2582159d8ef31ecd4cb5.tar.xz
fs: add new vfs_poll and file_can_poll helpers
These abstract out calls to the poll method in preparation for changes in how we poll. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Diffstat (limited to 'mm')
-rw-r--r--mm/memcontrol.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 2bd3df3d101a..1695f38630f1 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -3849,7 +3849,7 @@ static ssize_t memcg_write_event_control(struct kernfs_open_file *of,
if (ret)
goto out_put_css;
- efile.file->f_op->poll(efile.file, &event->pt);
+ vfs_poll(efile.file, &event->pt);
spin_lock(&memcg->event_list_lock);
list_add(&event->list, &memcg->event_list);