Ocfs2 devel - Feb 2013 - [PATCH 3/3] ocfs2: Add freeze protection to ocfs2_file_splice_write()

ocfs2_file_splice_write() was missed when adding freeze protection to all
write paths. Fix that.

CC: Joel Becker <jlbec at evilplan.org>
CC: ocfs2-devel at oss.oracle.com
Signed-off-by: Jan Kara <jack at suse.cz>
---
 fs/ocfs2/file.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 3898499..1f6916c 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -2468,6 +2468,9 @@ static ssize_t ocfs2_file_splice_write(struct
pipe_inode_info *pipe,
 			out->f_path.dentry->d_name.len,
 			out->f_path.dentry->d_name.name, len);
 
+	if (!sb_start_file_write(out))
+		return -EAGAIN;
+
 	if (pipe->inode)
 		mutex_lock_nested(&pipe->inode->i_mutex, I_MUTEX_PARENT);
 
@@ -2506,6 +2509,7 @@ static ssize_t ocfs2_file_splice_write(struct
pipe_inode_info *pipe,
 
 		balance_dirty_pages_ratelimited(mapping);
 	}
+	sb_end_write(inode->i_sb);
 
 	return ret;
 }
-- 
1.7.1

On Thu, Feb 07, 2013 at 03:52:19PM +0100, Jan Kara
wrote:
> ocfs2_file_splice_write() was missed when adding freeze protection to all
> write paths. Fix that.
> 
> CC: Joel Becker <jlbec at evilplan.org>
> CC: ocfs2-devel at oss.oracle.com
> Signed-off-by: Jan Kara <jack at suse.cz>
Acked-by: Joel Becker <jlbec at evilplan.org>
> ---
>  fs/ocfs2/file.c |    4 ++++
>  1 files changed, 4 insertions(+), 0 deletions(-)
> 
> diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
> index 3898499..1f6916c 100644
> --- a/fs/ocfs2/file.c
> +++ b/fs/ocfs2/file.c
> @@ -2468,6 +2468,9 @@ static ssize_t ocfs2_file_splice_write(struct
pipe_inode_info *pipe,
>  			out->f_path.dentry->d_name.len,
>  			out->f_path.dentry->d_name.name, len);
>  
> +	if (!sb_start_file_write(out))
> +		return -EAGAIN;
> +
>  	if (pipe->inode)
>  		mutex_lock_nested(&pipe->inode->i_mutex, I_MUTEX_PARENT);
>  
> @@ -2506,6 +2509,7 @@ static ssize_t ocfs2_file_splice_write(struct
pipe_inode_info *pipe,
>  
>  		balance_dirty_pages_ratelimited(mapping);
>  	}
> +	sb_end_write(inode->i_sb);
>  
>  	return ret;
>  }
> -- 
> 1.7.1
> 
> --
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-- 

"Ninety feet between bases is perhaps as close as man has ever come
 to perfection."
	- Red Smith

			http://www.jlbec.org/
			jlbec at evilplan.org