1 files changed, 5 insertions, 3 deletions

diff --git a/fs/nilfs2/mdt.c b/fs/nilfs2/mdt.c
index 2dfd47714ae5..a5cd80162dc5 100644
--- a/fs/nilfs2/mdt.c
+++ b/fs/nilfs2/mdt.c
@@ -402,6 +402,7 @@ nilfs_mdt_write_page(struct page *page, struct writeback_control *wbc)
         struct inode *inode = container_of(page->mapping,
                                            struct inode, i_data);
         struct super_block *sb = inode->i_sb;
+        struct the_nilfs *nilfs = NILFS_MDT(inode)->mi_nilfs;
         struct nilfs_sb_info *writer = NULL;
         int err = 0;
 
@@ -411,9 +412,10 @@ nilfs_mdt_write_page(struct page *page, struct writeback_control *wbc)
         if (page->mapping->assoc_mapping)
                 return 0; /* Do not request flush for shadow page cache */
         if (!sb) {
-                writer = nilfs_get_writer(NILFS_MDT(inode)->mi_nilfs);
+                down_read(&nilfs->ns_writer_sem);
+                writer = nilfs->ns_writer;
                 if (!writer) {
-                        nilfs_put_writer(NILFS_MDT(inode)->mi_nilfs);
+                        up_read(&nilfs->ns_writer_sem);
                         return -EROFS;
                 }
                 sb = writer->s_super;
@@ -425,7 +427,7 @@ nilfs_mdt_write_page(struct page *page, struct writeback_control *wbc)
                 nilfs_flush_segment(sb, inode->i_ino);
 
         if (writer)
-                nilfs_put_writer(NILFS_MDT(inode)->mi_nilfs);
+                up_read(&nilfs->ns_writer_sem);
         return err;
 }