On Thu, Mar 31, 2022 at 11:30:37AM -0400, Jeff Layton wrote: > Ceph needs to be able to allocate inodes ahead of a create that might > involve a fscrypt-encrypted inode. new_inode() almost fits the bill, > but it puts the inode on the sb->s_inodes list and when we go to hash > it, that might be done again. > > We could work around that by setting I_CREATING on the new inode, but > that causes ilookup5 to return -ESTALE if something tries to find it > before I_NEW is cleared. This is desirable behavior for most > filesystems, but doesn't work for ceph. > > To work around all of this, just use new_inode_pseudo which doesn't add > it to the sb->s_inodes list. Umm... I can live with that, but... why not just leave the hash insertion until the thing is fully set up and you are ready to clear I_NEW?