Message ID | 200908301657.50561.schlick@lavabit.com |
---|---|
State | Accepted, archived |
Headers | show |
On Sun, Aug 30, 2009 at 04:57:50PM +0200, Andreas Schlick wrote: > 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> Added to the ext4 patch queue, thanks. - Ted -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index 22098e1..682a488 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -1590,9 +1590,9 @@ 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)
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> --- fs/ext4/namei.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)