Messages in this thread |  | | Date | Sun, 26 May 2002 14:54:17 -0700 | From | Andrew Morton <> | Subject | Re: [Ext2-devel] [patch 11/18] dirsync |
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Andrew Morton wrote: > > "Peter J. Braam" wrote: > > > > Hi > > > > I think this patch is actually pretty important - could we please have > > this, or something like this? > > > > Well `-o sync' will give the same result. dirsync is just a speedup. > > I should have mentioned: untarring a kernel tree with dirsync is 4x to > 5x faster than `-o sync', but still tons slower (5x?) than default.
grr. On ext2.
On ext3, dirsync _is_ sync for journalled and ordered modes. If you run a commit, you sync the entire fs, end of story. So dirsync on ext3 really only makes a difference in writeback mode.
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