Allow caller to pass in a release function, there might be other resources that need releasing as well. Needed for network receive.
Signed-off-by: Jens Axboe <[EMAIL PROTECTED]> --- fs/splice.c | 9 ++++++++- include/linux/splice.h | 1 + 2 files changed, 9 insertions(+), 1 deletions(-) diff --git a/fs/splice.c b/fs/splice.c index f24e367..25ec9c8 100644 --- a/fs/splice.c +++ b/fs/splice.c @@ -247,11 +247,16 @@ ssize_t splice_to_pipe(struct pipe_inode_info *pipe, } while (page_nr < spd->nr_pages) - page_cache_release(spd->pages[page_nr++]); + spd->spd_release(spd, page_nr++); return ret; } +static void spd_release_page(struct splice_pipe_desc *spd, unsigned int i) +{ + page_cache_release(spd->pages[i]); +} + static int __generic_file_splice_read(struct file *in, loff_t *ppos, struct pipe_inode_info *pipe, size_t len, @@ -270,6 +275,7 @@ __generic_file_splice_read(struct file *in, loff_t *ppos, .partial = partial, .flags = flags, .ops = &page_cache_pipe_buf_ops, + .spd_release = spd_release_page, }; index = *ppos >> PAGE_CACHE_SHIFT; @@ -1442,6 +1448,7 @@ static long vmsplice_to_pipe(struct file *file, const struct iovec __user *iov, .partial = partial, .flags = flags, .ops = &user_page_pipe_buf_ops, + .spd_release = spd_release_page, }; pipe = pipe_info(file->f_path.dentry->d_inode); diff --git a/include/linux/splice.h b/include/linux/splice.h index 1a1182b..04c1068 100644 --- a/include/linux/splice.h +++ b/include/linux/splice.h @@ -53,6 +53,7 @@ struct splice_pipe_desc { int nr_pages; /* number of pages in map */ unsigned int flags; /* splice flags */ const struct pipe_buf_operations *ops;/* ops associated with output pipe */ + void (*spd_release)(struct splice_pipe_desc *, unsigned int); }; typedef int (splice_actor)(struct pipe_inode_info *, struct pipe_buffer *, -- 1.5.2.1.174.gcd03 - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html