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[PATCH] splice: rearrange moving to/from pipe helpers

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We need these for people writing their own ->splice_read/write hooks.

Signed-off-by: Jens Axboe <axboe@suse.de>
This commit is contained in:
Jens Axboe 2006-04-26 14:39:29 +02:00
parent 912d35f867
commit 00522fb41a
2 changed files with 28 additions and 24 deletions
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17
include/linux/pipe_fs_i.h
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@ -61,4 +61,21 @@ void __free_pipe_info(struct pipe_inode_info *);
/* from/to, of course */
#define SPLICE_F_MORE (0x04) /* expect more data */
/*
* Passed to the actors
*/
struct splice_desc {
unsigned int len, total_len; /* current and remaining length */
unsigned int flags; /* splice flags */
struct file *file; /* file to read/write */
loff_t pos; /* file position */
};
typedef int (splice_actor)(struct pipe_inode_info *, struct pipe_buffer *,
struct splice_desc *);
extern ssize_t splice_from_pipe(struct pipe_inode_info *, struct file *,
loff_t *, size_t, unsigned int,
splice_actor *);
#endif