proc/stat: switch to ->read_iter

Implement ->read_iter so that splice can be used on this file.

Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/fs/proc/stat.c b/fs/proc/stat.c
index 46b3293..4695b6d 100644 (file)
--- a/fs/proc/stat.c
+++ b/fs/proc/stat.c
@@ -226,7 +226,7 @@ static int stat_open(struct inode *inode, struct file *file)
 static const struct proc_ops stat_proc_ops = {
        .proc_flags     = PROC_ENTRY_PERMANENT,
        .proc_open      = stat_open,
-       .proc_read      = seq_read,
+       .proc_read_iter = seq_read_iter,
        .proc_lseek     = seq_lseek,
        .proc_release   = single_release,
 };