Btrfs: Add writepages support
Signed-off-by: Chris Mason <chris.mason@oracle.com>
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 0c65141..25f32d7 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -1747,6 +1747,15 @@
return extent_write_full_page(tree, page, btrfs_get_extent, wbc);
}
+
+static int btrfs_writepages(struct address_space *mapping,
+ struct writeback_control *wbc)
+{
+ struct extent_map_tree *tree;
+ tree = &BTRFS_I(mapping->host)->extent_tree;
+ return extent_writepages(tree, mapping, btrfs_get_extent, wbc);
+}
+
static int btrfs_releasepage(struct page *page, gfp_t unused_gfp_flags)
{
struct extent_map_tree *tree;
@@ -2526,6 +2535,7 @@
static struct address_space_operations btrfs_aops = {
.readpage = btrfs_readpage,
.writepage = btrfs_writepage,
+ .writepages = btrfs_writepages,
.sync_page = block_sync_page,
.prepare_write = btrfs_prepare_write,
.commit_write = btrfs_commit_write,
