fs: remove prepare_write/commit_write

Nothing uses prepare_write or commit_write. Remove them from the tree
completely.

[akpm@linux-foundation.org: schedule simple_prepare_write() for unexporting]
Signed-off-by: Nick Piggin <npiggin@suse.de>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/fs/splice.c b/fs/splice.c
index a1e701c27156..1abab5cee4ba 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -731,8 +731,8 @@ ssize_t splice_from_pipe(struct pipe_inode_info *pipe, struct file *out,
         };
 
         /*
-         * The actor worker might be calling ->prepare_write and
-         * ->commit_write. Most of the time, these expect i_mutex to
+         * The actor worker might be calling ->write_begin and
+         * ->write_end. Most of the time, these expect i_mutex to
          * be held. Since this may result in an ABBA deadlock with
          * pipe->inode, we have to order lock acquiry here.
          */