On Wed, 09 May 2007 11:25:47 +0100 David Howells <dhowells@xxxxxxxxxx> wrote:
> > > + set_page_dirty(page);
> > > +
> > > + if (PageDirty(page))
> > > + _debug("dirtied");
> > > +
> > > + return 0;
> > > +}
> >
> > One would normally run mark_inode_dirty() after any i_size_write()?
>
> Not in this case, I assume, because set_page_dirty() ultimately calls
> __mark_inode_dirty(), but I could be wrong.
set_page_dirty() will set I_DIRTY_PAGES only. ie: the inode has dirty
pagecache data.
To tell the VFS that the inode itself is dirty one needs to run
mark_inode_dirty(). Or maybe mark_inode_dirty_sync() but I can never for
the life of me remember what that thing does.
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