Re: [PATCH v2 05/10] fsdax: Replace mmap entry in case of CoW

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> >
> >       if (dirty)
> >               __mark_inode_dirty(mapping->host, I_DIRTY_PAGES);
> 
> I still think the __mark_inode_dirty should just be moved into the one
> caller that needs it.

I found that the dirty flag will be used in the next few lines, so I keep
this function inside. If I move it outside, the drity flag should be passed
in as well. 

@@ -774,6 +780,9 @@ static void *dax_insert_entry(struct xa_state *xas,
         if (dirty)
                 xas_set_mark(xas, PAGECACHE_TAG_DIRTY);
 
+       if (cow)
+               xas_set_mark(xas, PAGECACHE_TAG_TOWRITE);
+
         xas_unlock_irq(xas);
         return entry;
}


So, may I ask what's your purpose for doing in that way?

--
Thanks,
Ruan Shiyang.




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