orangefs: move do_readv_writev to direct_IO

direct_IO was the only caller and all direct_IO did was call it,
so there's no use in having the code spread out into so many functions.

Signed-off-by: Martin Brandenburg <martin@omnibond.com>
Signed-off-by: Mike Marshall <hubcap@omnibond.com>

1 files changed, 0 insertions, 108 deletions

diff --git a/fs/orangefs/file.c b/fs/orangefs/file.c
index 0af9f0b42d80..f4e20d5ed207 100644
--- a/fs/orangefs/file.c
+++ b/fs/orangefs/file.c
@@ -237,114 +237,6 @@ out:
 	return ret;
 }
 
-/*
- * Common entry point for read/write/readv/writev
- * This function will dispatch it to either the direct I/O
- * or buffered I/O path depending on the mount options and/or
- * augmented/extended metadata attached to the file.
- * Note: File extended attributes override any mount options.
- */
-ssize_t do_readv_writev(enum ORANGEFS_io_type type, struct file *file,
-		loff_t *offset, struct iov_iter *iter)
-{
-	struct inode *inode = file->f_mapping->host;
-	struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode);
-	struct orangefs_khandle *handle = &orangefs_inode->refn.khandle;
-	size_t count = iov_iter_count(iter);
-	ssize_t total_count = 0;
-	ssize_t ret = -EINVAL;
-
-	gossip_debug(GOSSIP_FILE_DEBUG,
-		"%s-BEGIN(%pU): count(%d) after estimate_max_iovecs.\n",
-		__func__,
-		handle,
-		(int)count);
-
-	if (type == ORANGEFS_IO_WRITE) {
-		gossip_debug(GOSSIP_FILE_DEBUG,
-			     "%s(%pU): proceeding with offset : %llu, "
-			     "size %d\n",
-			     __func__,
-			     handle,
-			     llu(*offset),
-			     (int)count);
-	}
-
-	if (count == 0) {
-		ret = 0;
-		goto out;
-	}
-
-	while (iov_iter_count(iter)) {
-		size_t each_count = iov_iter_count(iter);
-		size_t amt_complete;
-
-		/* how much to transfer in this loop iteration */
-		if (each_count > orangefs_bufmap_size_query())
-			each_count = orangefs_bufmap_size_query();
-
-		gossip_debug(GOSSIP_FILE_DEBUG,
-			     "%s(%pU): size of each_count(%d)\n",
-			     __func__,
-			     handle,
-			     (int)each_count);
-		gossip_debug(GOSSIP_FILE_DEBUG,
-			     "%s(%pU): BEFORE wait_for_io: offset is %d\n",
-			     __func__,
-			     handle,
-			     (int)*offset);
-
-		ret = wait_for_direct_io(type, inode, offset, iter,
-				each_count, 0);
-		gossip_debug(GOSSIP_FILE_DEBUG,
-			     "%s(%pU): return from wait_for_io:%d\n",
-			     __func__,
-			     handle,
-			     (int)ret);
-
-		if (ret < 0)
-			goto out;
-
-		*offset += ret;
-		total_count += ret;
-		amt_complete = ret;
-
-		gossip_debug(GOSSIP_FILE_DEBUG,
-			     "%s(%pU): AFTER wait_for_io: offset is %d\n",
-			     __func__,
-			     handle,
-			     (int)*offset);
-
-		/*
-		 * if we got a short I/O operations,
-		 * fall out and return what we got so far
-		 */
-		if (amt_complete < each_count)
-			break;
-	} /*end while */
-
-out:
-	if (total_count > 0)
-		ret = total_count;
-	if (ret > 0) {
-		if (type == ORANGEFS_IO_READ) {
-			file_accessed(file);
-		} else {
-			file_update_time(file);
-			if (*offset > i_size_read(inode))
-				i_size_write(inode, *offset);
-		}
-	}
-
-	gossip_debug(GOSSIP_FILE_DEBUG,
-		     "%s(%pU): Value(%d) returned.\n",
-		     __func__,
-		     handle,
-		     (int)ret);
-
-	return ret;
-}
-
 static ssize_t orangefs_file_read_iter(struct kiocb *iocb,
     struct iov_iter *iter)
 {