2013/4/25, Jaegeuk Kim <jaegeuk.kim@xxxxxxxxxxx>: > In order to avoid build_free_nid lock contention, let's change the order of > function calls as follows. > > At first, check whether there is enough free nids. > - If available, just get a free nid with spin_lock without any overhead. > - Otherwise, conduct build_free_nids. > : scan nat pages, journal nat entries, and nat cache entries. > > We should consider carefullly not to serve free nids intermediately made by > build_free_nids. > We can get stable free nids only after build_free_nids is done. > > Signed-off-by: Jaegeuk Kim <jaegeuk.kim@xxxxxxxxxxx> I can't find any issues in this patch. Reviewed-by: Namjae Jeon <namjae.jeon@xxxxxxxxxxx> Thanks. > --- -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
