splice: adjust balance_dirty_pages_ratelimited() call
As we have potentially dirtied more than 1 page, we should indicate as
such to the dirty page balancing. So call
balance_dirty_pages_ratelimited_nr() and pass in the approximate number
of pages we dirtied.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/fs/splice.c b/fs/splice.c
index cb21136..12d247f 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -811,7 +811,10 @@
ret = __splice_from_pipe(pipe, out, ppos, len, flags, pipe_to_file);
if (ret > 0) {
+ unsigned long nr_pages;
+
*ppos += ret;
+ nr_pages = (ret + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
/*
* If file or inode is SYNC and we actually wrote some data,
@@ -824,7 +827,7 @@
if (err)
ret = err;
}
- balance_dirty_pages_ratelimited(mapping);
+ balance_dirty_pages_ratelimited_nr(mapping, nr_pages);
}
return ret;
@@ -863,7 +866,10 @@
ret = splice_from_pipe(pipe, out, ppos, len, flags, pipe_to_file);
if (ret > 0) {
+ unsigned long nr_pages;
+
*ppos += ret;
+ nr_pages = (ret + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
/*
* If file or inode is SYNC and we actually wrote some data,
@@ -878,7 +884,7 @@
if (err)
ret = err;
}
- balance_dirty_pages_ratelimited(mapping);
+ balance_dirty_pages_ratelimited_nr(mapping, nr_pages);
}
return ret;