On Tue, 2009-09-29 at 16:39 -0600, Andreas Dilger wrote: > I've done some work to merge some of the existing fsx.c mods into a > single version. Over & above the version that is in the LTP, I've > included AKPM's O_DIRECT fixes (with a twist), the BSD mmap page and > segfault handling, and per-write fsync. > > The twist for the O_DIRECT feature is that it will randomly open file > descriptors with O_DIRECT, and if you use the Lustre-inspired multi-fd > support (by specifying multiple pathnames for the output file) fsx will > be testing buffered and O_DIRECT and mmap IO on the same file. > > Updated patch to have proper fallocate() handling in case glibc doesn't > have this, for non-x86 architectures from MingMing Cao, based on code > used by DB2. > > Signed-off-by: Andreas Dilger <adilger@xxxxxxx> On top of this, a little update to add O_DIRECT define. Signed-off-by: Mingming Cao <cmm@xxxxxxxxxx> --- fsx.c.orig 2009-10-02 14:22:12.299565348 -0700 +++ fsx.c 2009-10-01 16:36:17.271593794 -0700 @@ -78,6 +78,10 @@ #define LOGSIZE 100000 +#ifndef O_DIRECT +#define O_DIRECT 040000 /* direct disk access hint */ +#endif + struct log_entry oplog[LOGSIZE]; /* the log */ int logptr = 0; /* current position in log */ int logcount = 0; /* total ops */ -- 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
