Btrfs: add more error checking to btrfs_dirty_inode

The ENOSPC code will now return ENOSPC to btrfs_start_transaction.
btrfs_dirty_inode needs to check for this and error out appropriately.

Signed-off-by: Chris Mason <chris.mason@oracle.com>

1 files changed, 13 insertions, 2 deletions

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 6866c36c26fb..2551b8018399 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -4312,12 +4312,23 @@ void btrfs_dirty_inode(struct inode *inode)
                 /* whoops, lets try again with the full transaction */
                 btrfs_end_transaction(trans, root);
                 trans = btrfs_start_transaction(root, 1);
+                if (IS_ERR(trans)) {
+                        if (printk_ratelimit()) {
+                                printk(KERN_ERR "btrfs: fail to "
+                                       "dirty  inode %lu error %ld\n",
+                                       inode->i_ino, PTR_ERR(trans));
+                        }
+                        return;
+                }
                 btrfs_set_trans_block_group(trans, inode);
 
                 ret = btrfs_update_inode(trans, root, inode);
                 if (ret) {
-                        printk(KERN_ERR"btrfs: fail to dirty inode %lu error %d\n",
-                                inode->i_ino, ret);
+                        if (printk_ratelimit()) {
+                                printk(KERN_ERR "btrfs: fail to "
+                                       "dirty  inode %lu error %d\n",
+                                       inode->i_ino, ret);
+                        }
                 }
         }
         btrfs_end_transaction(trans, root);