[PATCH 2/2] dosfs: Lazy update of FAT32 FS info sector

Sebastian Huber sebastian.huber at embedded-brains.de
Thu Nov 8 21:11:50 UTC 2012


On 08/11/12 19:34, Claus, Ric wrote:
> Unlike as for Linux and Windows, there is no shutdown procedure for RTEMS.

What about unmount()?

http://www.rtems.org/onlinedocs/doxygen/cpukit/html/group__FileSystemTypesAndMount.html#ga4c8f87fc991f94992e0da1f87243f9e0

> Even if there were one, I don't know how it would get invoked since everyone I know who uses RTOSes effectively pushes the reset button when they want to go again.  Consequently, the unmount is in most cases never called.  Given that, what is the effect of this patch on FAT formatted persistent storage devices that have been modified during a boot cycle?

For this scenario FAT is the ideal file system.

> Are they somehow cleaned up on the next mount?

Yes.

-- 
Sebastian Huber, embedded brains GmbH

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