From 0181e58f91c1edbf835edb7a87d6dfe81374709d Mon Sep 17 00:00:00 2001
From: Yan <yanzheng@21cn.com>
Date: Wed, 30 Jan 2008 14:39:54 -0500
Subject: [PATCH] btrfs_drop_extent fixe for inline items > 8K
When truncating a inline extent, btrfs_drop_extents doesn't properly
handle the case "key.offset > inline_limit". This bug can only happen
when max line size is larger than 8K.
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
fs/btrfs/file.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 7c10a90362ff..7cbf8d8d7e27 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -591,8 +591,7 @@ next_slot:
}
}
bookend = 1;
- if (found_inline && start <= key.offset &&
- inline_limit < extent_end)
+ if (found_inline && start <= key.offset)
keep = 1;
}
/* truncate existing extent */
@@ -672,11 +671,10 @@ next_slot:
if (!bookend)
continue;
}
- if (bookend && found_inline && start <= key.offset &&
- inline_limit < extent_end && key.offset <= inline_limit) {
+ if (bookend && found_inline && start <= key.offset) {
u32 new_size;
new_size = btrfs_file_extent_calc_inline_size(
- extent_end - inline_limit);
+ extent_end - end);
btrfs_truncate_item(trans, root, path, new_size, 0);
}
/* create bookend, splitting the extent in two */