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| author | Eric Dumazet <dada1@cosmosbay.com> | 2006-12-13 00:34:04 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.osdl.org> | 2006-12-13 09:05:47 -0800 |
| commit | d4c3cca941b64a938eaa9734585a93547c6be323 (patch) | |
| tree | 48b78bda9d4da9c3bdfb30548cb65f0bc4015733 /fs/splice.c | |
| parent | 426d62e2158c2fd3aa1ed1fd62122afd2ccb89ae (diff) | |
| download | lwn-d4c3cca941b64a938eaa9734585a93547c6be323.tar.gz lwn-d4c3cca941b64a938eaa9734585a93547c6be323.zip | |
[PATCH] constify pipe_buf_operations
- pipe/splice should use const pipe_buf_operations and file_operations
- struct pipe_inode_info has an unused field "start" : get rid of it.
Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Cc: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/splice.c')
| -rw-r--r-- | fs/splice.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/splice.c b/fs/splice.c index bbd0aeb3f68e..2fca6ebf4cc2 100644 --- 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) |