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[PATCH 1/3] ext2fs: remove inappropriate assertion
From: |
Justus Winter |
Subject: |
[PATCH 1/3] ext2fs: remove inappropriate assertion |
Date: |
Thu, 20 Mar 2014 14:01:18 +0100 |
find_block may very well return no error but set block to zero. This
indicates that the block in question has not been allocated. Skip
those blocks instead.
* ext2fs/pager.c (file_pager_write_page): Skip unallocated blocks.
---
ext2fs/pager.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/ext2fs/pager.c b/ext2fs/pager.c
index 6e99c83..4ea4b74 100644
--- a/ext2fs/pager.c
+++ b/ext2fs/pager.c
@@ -398,8 +398,10 @@ file_pager_write_page (struct node *node, vm_offset_t
offset, void *buf)
err = find_block (node, offset, &block, &lock);
if (err)
break;
- assert (block);
- pending_blocks_add (&pb, block);
+ if (block)
+ pending_blocks_add (&pb, block);
+ else
+ pending_blocks_skip (&pb);
offset += block_size;
left -= block_size;
}
--
1.9.0