Commit 40bee44e authored by Mark Fasheh's avatar Mark Fasheh Committed by Jens Axboe

Export __splice_from_pipe()

Ocfs2 wants to implement it's own splice write actor so that it can better
manage cluster / page locks. This lets us re-use the rest of splice write
while only providing our own code where it's actually important.
Signed-off-by: default avatarMark Fasheh <mark.fasheh@oracle.com>
Signed-off-by: default avatarJens Axboe <jens.axboe@oracle.com>
parent 08c72591
...@@ -651,9 +651,9 @@ static int pipe_to_file(struct pipe_inode_info *pipe, struct pipe_buffer *buf, ...@@ -651,9 +651,9 @@ static int pipe_to_file(struct pipe_inode_info *pipe, struct pipe_buffer *buf,
* key here is the 'actor' worker passed in that actually moves the data * key here is the 'actor' worker passed in that actually moves the data
* to the wanted destination. See pipe_to_file/pipe_to_sendpage above. * to the wanted destination. See pipe_to_file/pipe_to_sendpage above.
*/ */
static ssize_t __splice_from_pipe(struct pipe_inode_info *pipe, ssize_t __splice_from_pipe(struct pipe_inode_info *pipe,
struct file *out, loff_t *ppos, size_t len, struct file *out, loff_t *ppos, size_t len,
unsigned int flags, splice_actor *actor) unsigned int flags, splice_actor *actor)
{ {
int ret, do_wakeup, err; int ret, do_wakeup, err;
struct splice_desc sd; struct splice_desc sd;
...@@ -747,6 +747,7 @@ static ssize_t __splice_from_pipe(struct pipe_inode_info *pipe, ...@@ -747,6 +747,7 @@ static ssize_t __splice_from_pipe(struct pipe_inode_info *pipe,
return ret; return ret;
} }
EXPORT_SYMBOL(__splice_from_pipe);
ssize_t splice_from_pipe(struct pipe_inode_info *pipe, struct file *out, ssize_t splice_from_pipe(struct pipe_inode_info *pipe, struct file *out,
loff_t *ppos, size_t len, unsigned int flags, loff_t *ppos, size_t len, unsigned int flags,
......
...@@ -99,4 +99,8 @@ extern ssize_t splice_from_pipe(struct pipe_inode_info *, struct file *, ...@@ -99,4 +99,8 @@ extern ssize_t splice_from_pipe(struct pipe_inode_info *, struct file *,
loff_t *, size_t, unsigned int, loff_t *, size_t, unsigned int,
splice_actor *); splice_actor *);
extern ssize_t __splice_from_pipe(struct pipe_inode_info *, struct file *,
loff_t *, size_t, unsigned int,
splice_actor *);
#endif #endif
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