[PATCH] ext3: refuse ro to rw remount of fs with orphan inodes

[linux.git] / fs / splice.c

diff --git a/fs/splice.c b/fs/splice.c
index bbd0aeb3f68e1723cc11c4be939137ebabb61dfd..2fca6ebf4cc2d17ceb05ccb6cbe7f93ab3571a87 100644 (file)
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -42,7 +42,7 @@ struct splice_pipe_desc {
        struct partial_page *partial;   /* pages[] may not be contig */
        int nr_pages;                   /* number of pages in map */
        unsigned int flags;             /* splice flags */
-       struct pipe_buf_operations *ops;/* ops associated with output pipe */
+       const struct pipe_buf_operations *ops;/* ops associated with output pipe */
 };
 
 /*
@@ -139,7 +139,7 @@ error:
        return err;
 }
 
-static struct pipe_buf_operations page_cache_pipe_buf_ops = {
+static const struct pipe_buf_operations page_cache_pipe_buf_ops = {
        .can_merge = 0,
        .map = generic_pipe_buf_map,
        .unmap = generic_pipe_buf_unmap,
@@ -159,7 +159,7 @@ static int user_page_pipe_buf_steal(struct pipe_inode_info *pipe,
        return generic_pipe_buf_steal(pipe, buf);
 }
 
-static struct pipe_buf_operations user_page_pipe_buf_ops = {
+static const struct pipe_buf_operations user_page_pipe_buf_ops = {
        .can_merge = 0,
        .map = generic_pipe_buf_map,
        .unmap = generic_pipe_buf_unmap,
@@ -724,7 +724,7 @@ static ssize_t __splice_from_pipe(struct pipe_inode_info *pipe,
        for (;;) {
                if (pipe->nrbufs) {
                        struct pipe_buffer *buf = pipe->bufs + pipe->curbuf;
-                       struct pipe_buf_operations *ops = buf->ops;
+                       const struct pipe_buf_operations *ops = buf->ops;
 
                        sd.len = buf->len;
                        if (sd.len > sd.total_len)