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ocfs2: fix i_mutex locking in ocfs2_splice_to_file()

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Rearrange locking of i_mutex on destination and call to
ocfs2_rw_lock() so locks are only held while buffers are copied with
the pipe_to_file() actor, and not while waiting for more data on the
pipe.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
Miklos Szeredi
2009-04-14 19:48:39 +02:00
committed by Jens Axboe
parent eb443e5a25
commit 328eaaba4e
3 changed files with 81 additions and 24 deletions
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2
include/linux/splice.h
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@@ -75,6 +75,8 @@ extern int splice_from_pipe_next(struct pipe_inode_info *,
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 *);