Messages in this thread |  | | From | David Woodhouse <> | Subject | Re: [BK-PATCH-2.5] Introduce new VFS inode cache lookup function | Date | Sun, 01 Sep 2002 16:17:41 +0100 |
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aia21@cantab.net said: > The below ChangeSet against Linus' current BK tree adds a new function > to the VFS, fs/inode.c::ilookup().
> This is needed in NTFS when writing out inode metadata pages via the > VM dirty page code paths as we need to know whether there is an active > inode in icache but we don't want to do an iget() because if the inode > is not active then there is no need to write it... - I can just skip > onto the next one instead... - If there is an active inode then I need > to get the struct inode in order to perform appropriate locking for > the write out to happen.
Yum. I need similar functionality for JFFS2 garbage collection. When moving a data node, we currently iget() the inode to which it belongs and update its in-core extent lists accordingly. If the inode in question wasn't already present, there's no real need to do that.
-- dwmw2
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