orangefs_copy_{to,from}_bufmap(): don't pass bufmap pointer

it's always __orangefs_bufmap

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Mike Marshall <hubcap@omnibond.com>

3 files changed, 14 insertions, 23 deletions

diff --git a/fs/orangefs/file.c b/fs/orangefs/file.c
index d4a00ad26f6e..db9dd6ebcc3f 100644
--- a/fs/orangefs/file.c
+++ b/fs/orangefs/file.c
@@ -21,8 +21,7 @@
  *       can futher be kernel-space or user-space addresses.
  *       or it can pointers to struct page's
  */
-static int precopy_buffers(struct orangefs_bufmap *bufmap,
-                           int buffer_index,
+static int precopy_buffers(int buffer_index,
                            struct iov_iter *iter,
                            size_t total_size)
 {
@@ -34,8 +33,7 @@ static int precopy_buffers(struct orangefs_bufmap *bufmap,
 
 
         if (total_size) {
-                ret = orangefs_bufmap_copy_from_iovec(bufmap,
-                                                      iter,
+                ret = orangefs_bufmap_copy_from_iovec(iter,
                                                       buffer_index,
                                                       total_size);
                 if (ret < 0)
@@ -58,8 +56,7 @@ static int precopy_buffers(struct orangefs_bufmap *bufmap,
  *       can futher be kernel-space or user-space addresses.
  *       or it can pointers to struct page's
  */
-static int postcopy_buffers(struct orangefs_bufmap *bufmap,
-                            int buffer_index,
+static int postcopy_buffers(int buffer_index,
                             struct iov_iter *iter,
                             size_t total_size)
 {
@@ -70,8 +67,7 @@ static int postcopy_buffers(struct orangefs_bufmap *bufmap,
          * struct page pointers.
          */
         if (total_size) {
-                ret = orangefs_bufmap_copy_to_iovec(bufmap,
-                                                    iter,
+                ret = orangefs_bufmap_copy_to_iovec(iter,
                                                     buffer_index,
                                                     total_size);
                 if (ret < 0)
@@ -138,8 +134,7 @@ populate_shared_memory:
          * precopy_buffers only pertains to writes.
          */
         if (type == ORANGEFS_IO_WRITE) {
-                ret = precopy_buffers(bufmap,
-                                      buffer_index,
+                ret = precopy_buffers(buffer_index,
                                       iter,
                                       total_size);
                 if (ret < 0)
@@ -242,8 +237,7 @@ populate_shared_memory:
          * postcopy_buffers only pertains to reads.
          */
         if (type == ORANGEFS_IO_READ) {
-                ret = postcopy_buffers(bufmap,
-                                       buffer_index,
+                ret = postcopy_buffers(buffer_index,
                                        iter,
                                        new_op->downcall.resp.io.amt_complete);
                 if (ret < 0)
diff --git a/fs/orangefs/orangefs-bufmap.c b/fs/orangefs/orangefs-bufmap.c
index 44d437dbfce0..97689c6cab17 100644
--- a/fs/orangefs/orangefs-bufmap.c
+++ b/fs/orangefs/orangefs-bufmap.c
@@ -511,19 +511,18 @@ void orangefs_readdir_index_put(int buffer_index)
  * we've been handed an iovec, we need to copy it to 
  * the shared memory descriptor at "buffer_index".
  */
-int orangefs_bufmap_copy_from_iovec(struct orangefs_bufmap *bufmap,
-                                struct iov_iter *iter,
+int orangefs_bufmap_copy_from_iovec(struct iov_iter *iter,
                                 int buffer_index,
                                 size_t size)
 {
-        struct orangefs_bufmap_desc *to = &bufmap->desc_array[buffer_index];
+        struct orangefs_bufmap_desc *to;
         int i;
 
         gossip_debug(GOSSIP_BUFMAP_DEBUG,
                      "%s: buffer_index:%d: size:%zu:\n",
                      __func__, buffer_index, size);
 
-
+        to = &__orangefs_bufmap->desc_array[buffer_index];
         for (i = 0; size; i++) {
                 struct page *page = to->page_array[i];
                 size_t n = size;
@@ -542,14 +541,14 @@ int orangefs_bufmap_copy_from_iovec(struct orangefs_bufmap *bufmap,
  * we've been handed an iovec, we need to fill it from
  * the shared memory descriptor at "buffer_index".
  */
-int orangefs_bufmap_copy_to_iovec(struct orangefs_bufmap *bufmap,
-                                    struct iov_iter *iter,
+int orangefs_bufmap_copy_to_iovec(struct iov_iter *iter,
                                     int buffer_index,
                                     size_t size)
 {
-        struct orangefs_bufmap_desc *from = &bufmap->desc_array[buffer_index];
+        struct orangefs_bufmap_desc *from;
         int i;
 
+        from = &__orangefs_bufmap->desc_array[buffer_index];
         gossip_debug(GOSSIP_BUFMAP_DEBUG,
                      "%s: buffer_index:%d: size:%zu:\n",
                      __func__, buffer_index, size);
diff --git a/fs/orangefs/orangefs-bufmap.h b/fs/orangefs/orangefs-bufmap.h
index 0be62be373f7..babdc713c5e0 100644
--- a/fs/orangefs/orangefs-bufmap.h
+++ b/fs/orangefs/orangefs-bufmap.h
@@ -27,13 +27,11 @@ int orangefs_readdir_index_get(struct orangefs_bufmap **mapp, int *buffer_index)
 
 void orangefs_readdir_index_put(int buffer_index);
 
-int orangefs_bufmap_copy_from_iovec(struct orangefs_bufmap *bufmap,
-                                struct iov_iter *iter,
+int orangefs_bufmap_copy_from_iovec(struct iov_iter *iter,
                                 int buffer_index,
                                 size_t size);
 
-int orangefs_bufmap_copy_to_iovec(struct orangefs_bufmap *bufmap,
-                              struct iov_iter *iter,
+int orangefs_bufmap_copy_to_iovec(struct iov_iter *iter,
                               int buffer_index,
                               size_t size);