mm: count reclaimable pages per BDI

[safe/jmp/linux-2.6] / fs / nfs / write.c

diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index 82d7ee9..0cf9d1c 100644 (file)
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -447,6 +447,7 @@ nfs_mark_request_commit(struct nfs_page *req)
                        NFS_PAGE_TAG_COMMIT);
        spin_unlock(&inode->i_lock);
        inc_zone_page_state(req->wb_page, NR_UNSTABLE_NFS);
+       inc_bdi_stat(req->wb_page->mapping->backing_dev_info, BDI_RECLAIMABLE);
        __mark_inode_dirty(inode, I_DIRTY_DATASYNC);
 }
 
@@ -533,6 +534,8 @@ static void nfs_cancel_commit_list(struct list_head *head)
        while(!list_empty(head)) {
                req = nfs_list_entry(head->next);
                dec_zone_page_state(req->wb_page, NR_UNSTABLE_NFS);
+               dec_bdi_stat(req->wb_page->mapping->backing_dev_info,
+                               BDI_RECLAIMABLE);
                nfs_list_remove_request(req);
                clear_bit(PG_NEED_COMMIT, &(req)->wb_flags);
                nfs_inode_remove_request(req);
@@ -1193,6 +1196,8 @@ nfs_commit_list(struct inode *inode, struct list_head *head, int how)
                nfs_list_remove_request(req);
                nfs_mark_request_commit(req);
                dec_zone_page_state(req->wb_page, NR_UNSTABLE_NFS);
+               dec_bdi_stat(req->wb_page->mapping->backing_dev_info,
+                               BDI_RECLAIMABLE);
                nfs_clear_page_tag_locked(req);
        }
        return -ENOMEM;
@@ -1218,6 +1223,8 @@ static void nfs_commit_done(struct rpc_task *task, void *calldata)
                nfs_list_remove_request(req);
                clear_bit(PG_NEED_COMMIT, &(req)->wb_flags);
                dec_zone_page_state(req->wb_page, NR_UNSTABLE_NFS);
+               dec_bdi_stat(req->wb_page->mapping->backing_dev_info,
+                               BDI_RECLAIMABLE);
 
                dprintk("NFS: commit (%s/%Ld %d@%Ld)",
                        req->wb_context->path.dentry->d_inode->i_sb->s_id,