Messages in this thread |  | | Date | Thu, 05 Sep 2002 13:37:59 -0700 | From | Andrew Morton <> | Subject | Re: invalidate_inode_pages in 2.5.32/3 |
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Trond Myklebust wrote: > > >>>>> " " == Andrew Morton <akpm@zip.com.au> writes: > > > It's a bit worrisome if NFS is dependent upon successful > > pagecache takedown in invalidate_inode_pages. > > Why? We don't use all that buffer crap, so in principle > invalidate_inode_page() is only supposed to fail for us if > > - page is locked (i.e. new read in progress or something like that) > - page is refcounted (by something like mmap()).
- someone took a temporary ref on the page.
Possibly it is the deferred LRU addition code. Try running lru_add_drain() before invalidate_inode_pages().
> neither of which should be the case here.
Probably, it worked OK with the global locking because nobody was taking a temp ref against those pages.
Please tell me exactly what semantics NFS needs in there. Does truncate_inode_pages() do the wrong thing? - 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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