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Export __splice_from_pipe()

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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: Mark Fasheh <mark.fasheh@oracle.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
Mark Fasheh 2007-03-21 13:11:02 +01:00 committed by Jens Axboe
parent 08c7259163
commit 40bee44eae
2 changed files with 8 additions and 3 deletions
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7
fs/splice.c
View File

@ -651,9 +651,9 @@ out_ret:
* 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,
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,

4
include/linux/pipe_fs_i.h
View 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