Commit 1f7bebb9 authored Sep 10, 2009 by Andreas Schlick Committed by Theodore Ts'o Sep 10, 2009

ext4: Always set dx_node's fake_dirent explicitly.



When ext4_dx_add_entry() has to split an index node, it has to ensure that
name_len of dx_node's fake_dirent is also zero, because otherwise e2fsck
won't recognise it as an intermediate htree node and consider the htree to
be corrupted.

Signed-off-by: Andreas Schlick <schlick@lavabit.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

parent 0e3d2a63

fs/ext4/namei.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1597,9 +1597,9 @@ static int ext4_dx_add_entry(handle_t handle, struct dentry dentry,
		goto cleanup;
		node2 = (struct dx_node *)(bh2->b_data);
		entries2 = node2->entries;
		memset(&node2->fake, 0, sizeof(struct fake_dirent));
		node2->fake.rec_len = ext4_rec_len_to_disk(sb->s_blocksize,
		sb->s_blocksize);
		node2->fake.inode = 0;
		BUFFER_TRACE(frame->bh, "get_write_access");
		err = ext4_journal_get_write_access(handle, frame->bh);
		if (err)