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authorYan <yanzheng@21cn.com>2008-02-05 15:40:36 -0500
committerChris Mason <chris.mason@oracle.com>2008-09-25 11:04:00 -0400
commit7261009ceaee65e4683be6e474d1ea85a1b1b26c (patch)
treefb06ec79b70c2528921725d95df056d1065eacc8
parent068fe39fa18e8921062e2e16e6aa2b46768b2a35 (diff)
btrfs_drop_extents: handle BTRFS_INODE_REF_KEY types
It's possible "key.type == BTRFS_INODE_REF_KEY" and "key.offset >= end". Signed-off-by: Chris Mason <chris.mason@oracle.com>
-rw-r--r--fs/btrfs/file.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 184bde1cfc3..bfa4149c053 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -507,11 +507,12 @@ next_slot:
slot = path->slots[0];
ret = 0;
btrfs_item_key_to_cpu(leaf, &key, slot);
-
- if (key.offset >= end || key.objectid != inode->i_ino) {
+ if (btrfs_key_type(&key) == BTRFS_EXTENT_DATA_KEY &&
+ key.offset >= end) {
goto out;
}
- if (btrfs_key_type(&key) > BTRFS_EXTENT_DATA_KEY) {
+ if (btrfs_key_type(&key) > BTRFS_EXTENT_DATA_KEY ||
+ key.objectid != inode->i_ino) {
goto out;
}
if (recow) {