Excerpts from Dave Chinner's message of 2010-12-15 22:37:18 -0500: > On Wed, Dec 08, 2010 at 07:20:24AM -0500, Chris Mason wrote: > > > > Usually the trick to reproducing filesystem corruptions is adding memory > > pressure. The corruption is probably a bad interaction between reads > > and writes, and we need to make sure the reads actually happen. > > > > http://oss.oracle.com/~mason/pin_ram.c > > > > gcc -Wall -o pin_ram pin_ram.c > > > > pin_ram -m 80%-of-your-ram-in-mb > > Implemented in xfstests about 10 years ago: > > http://git.kernel.org/?p=fs/xfs/xfstests-dev.git;a=blob;f=src/usemem.c;h=b8794a6b209cebf8dbf312a8ef131e2e54b18d29;hb=HEAD But mine can use shm! I don't remember adding it, so it must have grown there while it sat on the oracle servers. Our own special Christmas magic. -chris -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
