Messages in this thread | | | Date | Mon, 09 Sep 2002 15:32:21 -0700 | From | Andrew Morton <> | Subject | Re: invalidate_inode_pages in 2.5.32/3 |
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Daniel Phillips wrote: > > > > void invalidate_inode_pages(struct inode *inode) > > > { > > > truncate_inode_pages(mapping, 0); > > > } > > > > > > Is it any harder than that? > > > > Pretty much - need to leave i_size where it was. > > This doesn't touch i_size.
Sorry - I was thinking vmtruncate(). truncate_inode_pages() would result in all the mmapped pages becoming out-of-date anonymous memory. NFS needs to take down the pagetables so that processes which are mmapping the file which changed on the server will take a major fault and read a fresh copy. I believe. - 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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