Hi Jan, On Mon, Jul 22, 2013 at 03:07:37PM +0200, Jan Kara wrote: > On Sun 21-07-13 00:53:47, Zheng Liu wrote: > > From: Zheng Liu <wenqing.lz@xxxxxxxxxx> > > > > When we try to open a file with O_TMPFILE flag, we will trigger a bug. > > The root cause is that in ext4_orphan_add() we check ->i_nlink == 0 and > > this check always fails because we set ->i_nlink = 1 in > > inode_init_always(). We can use the following program to trigger it: [...] > > Here we couldn't call clear_nlink() directly because in d_tmpfile() we > > will call inode_dec_link_count() to decrease ->i_nlink. So this commit > > tries to call d_tmpfile() before ext4_orphan_add() to fix this problem. > Thanks the patch looks good. I've added the patch to my tree and will > push it to Linus soon. Thanks for your review. Ted has pick it up and Linus has pulled the patch. Sorry, I forgot to remind you. http://www.gossamer-threads.com/lists/linux/kernel/1750649 - Zheng -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
