ext4: check for overlapping extents in ext4_valid_extent_entries()

[firefly-linux-kernel-4.4.55.git] / fs / ext4 / ioctl.c

diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
index 9491ac0590f746b9abe56e484e7646022a0bd1c3..c0427e2f66481a13f3018b4630901688fdd6646e 100644 (file)
--- a/fs/ext4/ioctl.c
+++ b/fs/ext4/ioctl.c
@@ -77,8 +77,10 @@ static void swap_inode_data(struct inode *inode1, struct inode *inode2)
        memswap(ei1->i_data, ei2->i_data, sizeof(ei1->i_data));
        memswap(&ei1->i_flags, &ei2->i_flags, sizeof(ei1->i_flags));
        memswap(&ei1->i_disksize, &ei2->i_disksize, sizeof(ei1->i_disksize));
-       memswap(&ei1->i_es_tree, &ei2->i_es_tree, sizeof(ei1->i_es_tree));
-       memswap(&ei1->i_es_lru_nr, &ei2->i_es_lru_nr, sizeof(ei1->i_es_lru_nr));
+       ext4_es_remove_extent(inode1, 0, EXT_MAX_BLOCKS);
+       ext4_es_remove_extent(inode2, 0, EXT_MAX_BLOCKS);
+       ext4_es_lru_del(inode1);
+       ext4_es_lru_del(inode2);
 
        isize = i_size_read(inode1);
        i_size_write(inode1, i_size_read(inode2));