ocfs2: Use own splice write actor
We need to fill holes during a splice write. Provide our own splice write
actor which can call ocfs2_file_buffered_write() with a splice-specific
callback.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
diff --git a/fs/ocfs2/aops.h b/fs/ocfs2/aops.h
index 7d94071..1b4ba53 100644
--- a/fs/ocfs2/aops.h
+++ b/fs/ocfs2/aops.h
@@ -80,6 +80,20 @@
unsigned int *ret_from,
unsigned int *ret_to);
+struct ocfs2_splice_write_priv {
+ struct splice_desc *s_sd;
+ struct pipe_buffer *s_buf;
+ struct pipe_inode_info *s_pipe;
+ /* Neither offset value is ever larger than one page */
+ unsigned int s_offset;
+ unsigned int s_buf_offset;
+};
+int ocfs2_map_and_write_splice_data(struct inode *inode,
+ struct ocfs2_write_ctxt *wc,
+ u64 *p_blkno,
+ unsigned int *ret_from,
+ unsigned int *ret_to);
+
/* all ocfs2_dio_end_io()'s fault */
#define ocfs2_iocb_is_rw_locked(iocb) \
test_bit(0, (unsigned long *)&iocb->private)