Remove remnants of sendfile()

There are now zero users of .sendfile() in the kernel, so kill
it from the file_operations structure and in do_sendfile().

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

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,
         in_inode = in_file->f_path.dentry->d_inode;
         if (!in_inode)
                 goto fput_in;
-        if (!in_file->f_op || (!in_file->f_op->sendfile &&
-            !in_file->f_op->splice_read))
+        if (!in_file->f_op || !in_file->f_op->splice_read)
                 goto fput_in;
         retval = -ESPIPE;
         if (!ppos)
@@ -778,21 +777,18 @@ static ssize_t do_sendfile(int out_fd, int in_fd, loff_t *ppos,
                 count = max - pos;
         }
 
-        if (in_file->f_op->splice_read) {
-                fl = 0;
+        fl = 0;
 #if 0
-                /*
-                 * We need to debate whether we can enable this or not. The
-                 * man page documents EAGAIN return for the output at least,
-                 * and the application is arguably buggy if it doesn't expect
-                 * EAGAIN on a non-blocking file descriptor.
-                 */
-                if (in_file->f_flags & O_NONBLOCK)
-                        fl = SPLICE_F_NONBLOCK;
+        /*
+         * We need to debate whether we can enable this or not. The
+         * man page documents EAGAIN return for the output at least,
+         * and the application is arguably buggy if it doesn't expect
+         * EAGAIN on a non-blocking file descriptor.
+         */
+        if (in_file->f_flags & O_NONBLOCK)
+                fl = SPLICE_F_NONBLOCK;
 #endif
-                retval = do_splice_direct(in_file, ppos, out_file, count, fl);
-        } else
-                retval = in_file->f_op->sendfile(in_file, ppos, count, file_send_actor, out_file);
+        retval = do_splice_direct(in_file, ppos, out_file, count, fl);
 
         if (retval > 0) {
                 add_rchar(current, retval);