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[PATCH] constify pipe_buf_operations

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- 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>
This commit is contained in:
Eric Dumazet 2006-12-13 00:34:04 -08:00 • committed by Linus Torvalds
parent 426d62e215
commit d4c3cca941
3 changed files with 11 additions and 12 deletions
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3
include/linux/pipe_fs_i.h
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@ -12,7 +12,7 @@
struct pipe_buffer {
struct page *page;
unsigned int offset, len;
struct pipe_buf_operations *ops;
const struct pipe_buf_operations *ops;
unsigned int flags;
};
@ -43,7 +43,6 @@ struct pipe_inode_info {
unsigned int nrbufs, curbuf;
struct pipe_buffer bufs[PIPE_BUFFERS];
struct page *tmp_page;
unsigned int start;
unsigned int readers;
unsigned int writers;
unsigned int waiting_writers;