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David Woodhouse writes: > > 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. > Reiser4 also needs this. > -- > dwmw2 > Nikita. > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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