[PATCH 10/11] splice: don't check i_size in generic_file_splice_read()

[Miklos Szeredi]

This is handled in get_page_for_read() already.

Signed-off-by: Miklos Szeredi <mszer...@redhat.com>
---
 fs/splice.c | 9 ---------
 1 file changed, 9 deletions(-)

diff --git a/fs/splice.c b/fs/splice.c
index e7757b363b6c..bee282803ccf 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -334,20 +334,11 @@ ssize_t generic_file_splice_read(struct file *in, loff_t 
*ppos,
                                 struct pipe_inode_info *pipe, size_t len,
                                 unsigned int flags)
 {
-       loff_t isize, left;
        int ret;
 
        if (IS_DAX(in->f_mapping->host))
                return default_file_splice_read(in, ppos, pipe, len, flags);
 
-       isize = i_size_read(in->f_mapping->host);
-       if (unlikely(*ppos >= isize))
-               return 0;
-
-       left = isize - *ppos;
-       if (unlikely(left < len))
-               len = left;
-
        ret = __generic_file_splice_read(in, ppos, pipe, len, flags);
        if (ret > 0) {
                *ppos += ret;
-- 
2.5.5