fs: export inode_to_bdi and use it in favor of mapping->backing_dev_info

[linux-block.git] / fs / nfs / write.c

diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index af3af685a9e3791a361413976939bd8bc9668f05..298abcc5281b66c9a2266cf2ffd4228bd791f3cc 100644 (file)
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -786,7 +786,7 @@ nfs_request_add_commit_list(struct nfs_page *req, struct list_head *dst,
        spin_unlock(cinfo->lock);
        if (!cinfo->dreq) {
                inc_zone_page_state(req->wb_page, NR_UNSTABLE_NFS);
-               inc_bdi_stat(page_file_mapping(req->wb_page)->backing_dev_info,
+               inc_bdi_stat(inode_to_bdi(page_file_mapping(req->wb_page)->host),
                             BDI_RECLAIMABLE);
                __mark_inode_dirty(req->wb_context->dentry->d_inode,
                                   I_DIRTY_DATASYNC);
@@ -853,7 +853,7 @@ static void
 nfs_clear_page_commit(struct page *page)
 {
        dec_zone_page_state(page, NR_UNSTABLE_NFS);
-       dec_bdi_stat(page_file_mapping(page)->backing_dev_info, BDI_RECLAIMABLE);
+       dec_bdi_stat(inode_to_bdi(page_file_mapping(page)->host), BDI_RECLAIMABLE);
 }
 
 /* Called holding inode (/cinfo) lock */
@@ -1564,7 +1564,7 @@ void nfs_retry_commit(struct list_head *page_list,
                nfs_mark_request_commit(req, lseg, cinfo);
                if (!cinfo->dreq) {
                        dec_zone_page_state(req->wb_page, NR_UNSTABLE_NFS);
-                       dec_bdi_stat(page_file_mapping(req->wb_page)->backing_dev_info,
+                       dec_bdi_stat(inode_to_bdi(page_file_mapping(req->wb_page)->host),
                                     BDI_RECLAIMABLE);
                }
                nfs_unlock_and_release_request(req);