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authorLinus Torvalds <torvalds@linux-foundation.org>2009-04-15 09:03:47 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-04-15 09:03:47 -0700
commit23da64b4714812b66ecf010e7dfb3ed1bf2eda69 (patch)
treee2736bebc916cb540b0da83296d62b342612ecbd /include/linux/splice.h
parenta23c218bd36e11120daf18e00a91d5dc20e288e6 (diff)
parenta36e71f996e25d6213f57951f7ae1874086ec57e (diff)
Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block
* 'for-linus' of git://git.kernel.dk/linux-2.6-block: (28 commits) cfq-iosched: add close cooperator code cfq-iosched: log responsible 'cfqq' in idle timer arm cfq-iosched: tweak kick logic a bit more cfq-iosched: no need to save interrupts in cfq_kick_queue() brd: fix cacheflushing brd: support barriers swap: Remove code handling bio_alloc failure with __GFP_WAIT gfs2: Remove code handling bio_alloc failure with __GFP_WAIT ext4: Remove code handling bio_alloc failure with __GFP_WAIT dio: Remove code handling bio_alloc failure with __GFP_WAIT block: Remove code handling bio_alloc failure with __GFP_WAIT bio: add documentation to bio_alloc() splice: add helpers for locking pipe inode splice: remove generic_file_splice_write_nolock() ocfs2: fix i_mutex locking in ocfs2_splice_to_file() splice: fix i_mutex locking in generic_splice_write() splice: remove i_mutex locking in splice_from_pipe() splice: split up __splice_from_pipe() block: fix SG_IO to return a proper error value cfq-iosched: don't delay queue kick for a merged request ...
Diffstat (limited to 'include/linux/splice.h')
-rw-r--r--include/linux/splice.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/splice.h b/include/linux/splice.h
index 528dcb93c2f..5f3faa9d15a 100644
--- a/include/linux/splice.h
+++ b/include/linux/splice.h
@@ -36,6 +36,8 @@ struct splice_desc {
void *data; /* cookie */
} u;
loff_t pos; /* file position */
+ size_t num_spliced; /* number of bytes already spliced */
+ bool need_wakeup; /* need to wake up writer */
};
struct partial_page {
@@ -66,6 +68,16 @@ extern ssize_t splice_from_pipe(struct pipe_inode_info *, struct file *,
splice_actor *);
extern ssize_t __splice_from_pipe(struct pipe_inode_info *,
struct splice_desc *, splice_actor *);
+extern int splice_from_pipe_feed(struct pipe_inode_info *, struct splice_desc *,
+ splice_actor *);
+extern int splice_from_pipe_next(struct pipe_inode_info *,
+ struct splice_desc *);
+extern void splice_from_pipe_begin(struct splice_desc *);
+extern void splice_from_pipe_end(struct pipe_inode_info *,
+ struct splice_desc *);
+extern int pipe_to_file(struct pipe_inode_info *, struct pipe_buffer *,
+ struct splice_desc *);
+
extern ssize_t splice_to_pipe(struct pipe_inode_info *,
struct splice_pipe_desc *);
extern ssize_t splice_direct_to_actor(struct file *, struct splice_desc *,