[cifs-protocol] [REG:119101421001093] MS-SMB2/FSA: File.LastModificationTime, update "lost" against Windows 2019

Ralph Boehme slow at samba.org
Mon Dec 9 15:58:27 UTC 2019

Am 11/5/19 um 5:26 PM schrieb Sreekanth Nadendla:
> Hello Ralph, in addition to the answer provided for the issue " 119101121001349 MS-SMB2: File.LastModificationTime updates for write IO vs setinfo" I would like to add the following to explain the behavior with approx 15ms delay.
> This is simply because the API NTFS uses to query the current time (KeQuerySystemTime) has a resolution of 15.625 ms, so when a smaller amount of time than that has passed it's not necessarily detectable.

good heaves! :) Good to know that.

It would be extremely helpful to see this in MS-FSA mentioned as Winodws
implementation specific behaviour.


Ralph Boehme, Samba Team                https://samba.org/
Samba Developer, SerNet GmbH   https://sernet.de/en/samba/
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