On Sat, Sep 10, 2011 at 05:31:39PM +0200, Marco Stornelli wrote: > From: Marco Stornelli <marco.stornelli@xxxxxxxxx> > > 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 we can avoid concurrent truncate > operation and xip mmap. Umm... I really don't like that; what's going to happen if you have a file mmapped and do write() to that file from address in that mapping? -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
