1 files changed, 8 insertions, 7 deletions

diff --git a/fs/nilfs2/mdt.c b/fs/nilfs2/mdt.c
index 47dd815433fd..bb78745a0e30 100644
--- a/fs/nilfs2/mdt.c
+++ b/fs/nilfs2/mdt.c
@@ -77,19 +77,22 @@ static int nilfs_mdt_create_block(struct inode *inode, unsigned long block,
                                                      void *))
 {
         struct the_nilfs *nilfs = NILFS_MDT(inode)->mi_nilfs;
-        struct nilfs_sb_info *writer = NULL;
         struct super_block *sb = inode->i_sb;
         struct nilfs_transaction_info ti;
         struct buffer_head *bh;
         int err;
 
         if (!sb) {
-                writer = nilfs_get_writer(nilfs);
-                if (!writer) {
+                /*
+                 * Make sure this function is not called from any
+                 * read-only context.
+                 */
+                if (!nilfs->ns_writer) {
+                        WARN_ON(1);
                         err = -EROFS;
                         goto out;
                 }
-                sb = writer->s_super;
+                sb = nilfs->ns_writer->s_super;
         }
 
         nilfs_transaction_begin(sb, &ti, 0);
@@ -127,8 +130,6 @@ static int nilfs_mdt_create_block(struct inode *inode, unsigned long block,
                 err = nilfs_transaction_commit(sb);
         else
                 nilfs_transaction_abort(sb);
-        if (writer)
-                nilfs_put_writer(nilfs);
  out:
         return err;
 }
@@ -299,7 +300,7 @@ int nilfs_mdt_delete_block(struct inode *inode, unsigned long block)
         int err;
 
         err = nilfs_bmap_delete(ii->i_bmap, block);
-        if (likely(!err)) {
+        if (!err || err == -ENOENT) {
                 nilfs_mdt_mark_dirty(inode);
                 nilfs_mdt_forget_block(inode, block);
         }