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-rw-r--r--fs/splice.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/fs/splice.c b/fs/splice.c
index cb211360273a..12d247f6ece5 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -811,7 +811,10 @@ generic_file_splice_write_nolock(struct pipe_inode_info *pipe, struct file *out,
811 811
812 ret = __splice_from_pipe(pipe, out, ppos, len, flags, pipe_to_file); 812 ret = __splice_from_pipe(pipe, out, ppos, len, flags, pipe_to_file);
813 if (ret > 0) { 813 if (ret > 0) {
814 unsigned long nr_pages;
815
814 *ppos += ret; 816 *ppos += ret;
817 nr_pages = (ret + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
815 818
816 /* 819 /*
817 * If file or inode is SYNC and we actually wrote some data, 820 * If file or inode is SYNC and we actually wrote some data,
@@ -824,7 +827,7 @@ generic_file_splice_write_nolock(struct pipe_inode_info *pipe, struct file *out,
824 if (err) 827 if (err)
825 ret = err; 828 ret = err;
826 } 829 }
827 balance_dirty_pages_ratelimited(mapping); 830 balance_dirty_pages_ratelimited_nr(mapping, nr_pages);
828 } 831 }
829 832
830 return ret; 833 return ret;
@@ -863,7 +866,10 @@ generic_file_splice_write(struct pipe_inode_info *pipe, struct file *out,
863 866
864 ret = splice_from_pipe(pipe, out, ppos, len, flags, pipe_to_file); 867 ret = splice_from_pipe(pipe, out, ppos, len, flags, pipe_to_file);
865 if (ret > 0) { 868 if (ret > 0) {
869 unsigned long nr_pages;
870
866 *ppos += ret; 871 *ppos += ret;
872 nr_pages = (ret + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
867 873
868 /* 874 /*
869 * If file or inode is SYNC and we actually wrote some data, 875 * If file or inode is SYNC and we actually wrote some data,
@@ -878,7 +884,7 @@ generic_file_splice_write(struct pipe_inode_info *pipe, struct file *out,
878 if (err) 884 if (err)
879 ret = err; 885 ret = err;
880 } 886 }
881 balance_dirty_pages_ratelimited(mapping); 887 balance_dirty_pages_ratelimited_nr(mapping, nr_pages);
882 } 888 }
883 889
884 return ret; 890 return ret;