On Thu, Mar 27, 2014 at 07:02:41PM -0400, Matthew Wilcox wrote: > [untested. posted because it keeps coming up at lsfmm/collab] > > msync() currently syncs more than POSIX requires or BSD or Solaris > implement. It is supposed to be equivalent to fdatasync(), not fsync(), > and it is only supposed to sync the portion of the file that overlaps > the range passed to msync. > > If the VMA is non-linear, fall back to syncing the entire file, but we > still optimise to only fdatasync() the entire file, not the full fsync(). > > Signed-off-by: Matthew Wilcox <matthew.r.wilcox@xxxxxxxxx> Looks good, Reviewed-by: Christoph Hellwig <hch@xxxxxx> -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>