On Wed, 2008-10-29 at 09:32 -0400, Ric Wheeler wrote: > Jamie Lokier wrote: > >> Is there anything that particularly makes it a file operation > >> as opposed to an inode operation? > >> > > > > In principle, is fsync() required to flush all dirty data written > > through any file descriptor ever, or just dirty data written through > > the file descriptor used for fsync()? > > > > -- Jamie > > -- > > > http://www.opengroup.org/onlinepubs/009695399/functions/fsync.html > > Is a pointer to what seems to be the official posix spec for this - it > is definitely per file descriptor, not per file system, etc... > Maybe I'm reading Jamie's question wrong, but I think he's saying: /* open exactly the same file twice */ fd = open("file"); fd2 = open("file"); write(fd, "stuff") write(fd2, "more stuff") fsync(fd); Does the fsync promise "more stuff" will be on disk? I think the answer should be yes. -chris -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
