>O_SYNC doesn't work completely on several file systems and only on the >latest kernels with some of the common ones. Hmmm. You didn't mention such a restriction when you suggested fsync() before. Does fsync() work completely on these kernels where O_SYNC doesn't? Considering that a simple implementation of O_SYNC just does the equivalent of an fsync() inside every write(), that would be hard to understand. -- Bryan Henderson IBM Almaden Research Center San Jose CA Filesystems - : send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html