Concurrency in JFFS2?

Sebastian Huber sebastian.huber at
Thu Dec 3 06:19:36 UTC 2015


I used the eCos port of JFFS2 as a base for the RTEMS port. Like in eCos, a global lock for a JFFS2 file system instance is used.

----- Martin Galvan <martin.galvan at> schrieb:
> Hi everyone! I'm working on porting F2FS from Linux based on the JFFS2
> port Sebastian did. When inspecting the code I found that
> libfs/jffs2/include/linux/mutex defines struct mutex to be empty, and
> all the mutex-related functions to do nothing.
> This seems to imply that there's no concurrency management in the
> JFFS2 code. Is this intentional? Should I do the same when porting
> F2FS?

Sebastian Huber, embedded brains GmbH

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