On Thu, Dec 15, 2016 at 07:50:33PM -0600, Eric Sandeen wrote: > On 12/15/16 6:53 PM, Dave Chinner wrote: > > On Thu, Dec 15, 2016 at 12:21:43PM -0600, Eric Sandeen wrote: > > Because they are aimed at single, specific filesystem operations > > only. It just doesn't make sense to iterate them across all open > > files inside xfs_io. If you have multiple filesystems youneed to > > query/modify, then do an xfs_io call for each. > > Ok, I guess this finally clicked for me; a very easily described > test for whether the flag gets set: > > Only operations which specifically operate on /files/ will iterate*. > > System-wide and fs-wide operations (even if they happen to take a > file as an argument, as i.e. freeze can) do /not/ iterate. > > *and open doesn't iterate because recursion :) > > I'm happy with that, though I think it should be documented clearly. > > Sorry if I was slow getting to your point. No, you're not slow, I simply couldn't explain my rationale as clearly and obviously as you've just done. I'll add that to my man page updates, and repost the series for you. Cheers, Dave. -- Dave Chinner david@xxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-xfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
