Messages in this thread | | | Date | Sat, 17 Sep 2011 09:53:47 -0400 | From | Christoph Hellwig <> | Subject | Re: [PATCH] xip: export xip_file_fault |
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On Sat, Sep 17, 2011 at 02:18:11PM +0200, Marco Stornelli wrote: > From: Marco Stornelli <marco.stornelli@gmail.com> > > There aren't sufficient sync points for a fs for xip operations. In > particular for the mmap case. It can be not sufficient to lock/unlock > to do some operation inside get_xip_mem callback. For xip_file_read > it's really easy to write a fs specific wrapper, xip_file_write hold > i_mutex so no problem. With this patch it's possible to reuse the > generic xip_file_fault, using a wrapper function in a fs, without to > reinvent the wheel.
As usual please send patches to add exports only while adding callers for it.
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