On Oct 24, 2007 16:15 -0500, Eric Sandeen wrote: > Andreas Dilger wrote: > > It is useful to be able to mount w/o extents/delalloc/mballoc for perf > > testing and functional testing of the block-mapped file path in ext4. > > Also, some users might want the ability to use features of ext4 w/o > > the incompatibility of extents. > > Right, I understand the reason for noextents, nodelalloc, nomballoc. > Above, I ask what is the point of having the *defaults* (extents, > delalloc, mballoc) as mount options? Partly for symmetry, and also to be able to override any "no*" options that might have been specified previously (e.g. in some script that the user doesn't directly control, but can pass additional options to). Cheers, Andreas -- Andreas Dilger Sr. Software Engineer, Lustre Group Sun Microsystems of Canada, Inc. - 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
