ext2: retry block allocation if new blocks are allocated from system zone

[karo-tx-linux.git] / fs / ext2 / balloc.c

diff --git a/fs/ext2/balloc.c b/fs/ext2/balloc.c
index 25dec8633c948f16e15bf5660abbce75838b0a79..10bb02c3f25cfcdee98897b6d7efe96e5f3ae6a1 100644 (file)
--- a/fs/ext2/balloc.c
+++ b/fs/ext2/balloc.c
@@ -149,11 +149,12 @@ read_block_bitmap(struct super_block *sb, unsigned int block_group)
                            block_group, le32_to_cpu(desc->bg_block_bitmap));
                return NULL;
        }
-       if (!ext2_valid_block_bitmap(sb, desc, block_group, bh)) {
-               brelse(bh);
-               return NULL;
-       }
 
+       ext2_valid_block_bitmap(sb, desc, block_group, bh);
+       /*
+        * file system mounted not to panic on error, continue with corrupt
+        * bitmap
+        */
        return bh;
 }
 
@@ -1380,7 +1381,12 @@ allocated:
                            "Allocating block in system zone - "
                            "blocks from "E2FSBLK", length %lu",
                            ret_block, num);
-               goto out;
+               /*
+                * ext2_try_to_allocate marked the blocks we allocated as in
+                * use.  So we may want to selectively mark some of the blocks
+                * as free
+                */
+               goto retry_alloc;
        }
 
        performed_allocation = 1;