Messages in this thread | | | Date | Wed, 16 Jan 2008 18:03:17 +0800 | From | "Dave Young" <> | Subject | Re: mtime updates for mmapped files. |
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On Jan 16, 2008 5:46 PM, Rogier Wolff <R.E.Wolff@bitwizard.nl> wrote: > > Hi, > > I wrote a small app yesterday that updates a file by mmapping the > file (RW), changing the thing around, and then exiting. > > This did not trigger a change in the mtime of the file. Thus rsync > didn't pick up that the file had changed. > > I understand that tracking every change to a RW mmapped file is > costly, and thus unfeasable, but shouldn't then the close cause a > mtime update? > > The server where this happened is running 2.6.21, so my apologies if > this has already been corrected.
This is an old bug, don't know if it was fixed or not. Please see http://lkml.org/lkml/2006/5/17/138
> > Roger. > > -- > ** R.E.Wolff@BitWizard.nl ** http://www.BitWizard.nl/ ** +31-15-2600998 ** > ** Delftechpark 26 2628 XH Delft, The Netherlands. KVK: 27239233 ** > *-- BitWizard writes Linux device drivers for any device you may have! --* > Q: It doesn't work. A: Look buddy, doesn't work is an ambiguous statement. > Does it sit on the couch all day? Is it unemployed? Please be specific! > Define 'it' and what it isn't doing. --------- Adapted from lxrbot FAQ > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ >
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