From: Su Yue <suy.fnst@xxxxxxxxxxxxxx>
If found a extent data item has unaligned part, lowmem repair
just deletes it.
Signed-off-by: Su Yue <suy.fnst@xxxxxxxxxxxxxx>
Reviewed-by: Qu Wenruo <wqu@xxxxxxxx>
Signed-off-by: Qu Wenruo <wqu@xxxxxxxx>
---
check/mode-lowmem.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/check/mode-lowmem.c b/check/mode-lowmem.c
index 7bd18902e106..bedf18628cc9 100644
--- a/check/mode-lowmem.c
+++ b/check/mode-lowmem.c
@@ -3037,6 +3037,7 @@ out:
}
/*
+ * If @err contains BYTES_UNALIGNED then delete the extent data item.
* If @err contains BACKREF_MISSING then add extent of the
* file_extent_data_item.
*
@@ -3088,6 +3089,13 @@ static int repair_extent_data_item(struct btrfs_root *root,
else
parent = 0;
+ if (err & BYTES_UNALIGNED) {
+ ret = delete_item(root, pathp);
+ if (!ret)
+ err = 0;
+ goto out;
+ }
+
/* now repair only adds backref */
if ((err & BACKREF_MISSING) == 0)
return err;
--
2.21.0
