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-rw-r--r--fs/read_write.c26
1 files changed, 11 insertions, 15 deletions
diff --git a/fs/read_write.c b/fs/read_write.c
index 2527cf035b0e..507ddff48a9a 100644
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -724,8 +724,7 @@ static ssize_t do_sendfile(int out_fd, int in_fd, loff_t *ppos,
724 in_inode = in_file->f_path.dentry->d_inode; 724 in_inode = in_file->f_path.dentry->d_inode;
725 if (!in_inode) 725 if (!in_inode)
726 goto fput_in; 726 goto fput_in;
727 if (!in_file->f_op || (!in_file->f_op->sendfile && 727 if (!in_file->f_op || !in_file->f_op->splice_read)
728 !in_file->f_op->splice_read))
729 goto fput_in; 728 goto fput_in;
730 retval = -ESPIPE; 729 retval = -ESPIPE;
731 if (!ppos) 730 if (!ppos)
@@ -778,21 +777,18 @@ static ssize_t do_sendfile(int out_fd, int in_fd, loff_t *ppos,
778 count = max - pos; 777 count = max - pos;
779 } 778 }
780 779
781 if (in_file->f_op->splice_read) { 780 fl = 0;
782 fl = 0;
783#if 0 781#if 0
784 /* 782 /*
785 * We need to debate whether we can enable this or not. The 783 * We need to debate whether we can enable this or not. The
786 * man page documents EAGAIN return for the output at least, 784 * man page documents EAGAIN return for the output at least,
787 * and the application is arguably buggy if it doesn't expect 785 * and the application is arguably buggy if it doesn't expect
788 * EAGAIN on a non-blocking file descriptor. 786 * EAGAIN on a non-blocking file descriptor.
789 */ 787 */
790 if (in_file->f_flags & O_NONBLOCK) 788 if (in_file->f_flags & O_NONBLOCK)
791 fl = SPLICE_F_NONBLOCK; 789 fl = SPLICE_F_NONBLOCK;
792#endif 790#endif
793 retval = do_splice_direct(in_file, ppos, out_file, count, fl); 791 retval = do_splice_direct(in_file, ppos, out_file, count, fl);
794 } else
795 retval = in_file->f_op->sendfile(in_file, ppos, count, file_send_actor, out_file);
796 792
797 if (retval > 0) { 793 if (retval > 0) {
798 add_rchar(current, retval); 794 add_rchar(current, retval);