On 03.12.20 15:46, Jan Beulich wrote: > On 02.12.2020 16:46, Jürgen Groß wrote: >> On 01.12.20 09:21, Juergen Gross wrote: >>> @@ -1003,12 +1006,131 @@ static struct notifier_block cpu_nfb = { >>> .notifier_call = cpu_callback >>> }; >>> >>> +#ifdef CONFIG_HYPFS >>> +static const struct hypfs_entry *cpupool_pooldir_enter( >>> + const struct hypfs_entry *entry); >>> + >>> +static struct hypfs_funcs cpupool_pooldir_funcs = { >>> + .enter = cpupool_pooldir_enter, >>> + .exit = hypfs_node_exit, >>> + .read = hypfs_read_dir, >>> + .write = hypfs_write_deny, >>> + .getsize = hypfs_getsize, >>> + .findentry = hypfs_dir_findentry, >>> +}; >>> + >>> +static HYPFS_VARDIR_INIT(cpupool_pooldir, "%u", &cpupool_pooldir_funcs); >>> + >>> +static const struct hypfs_entry *cpupool_pooldir_enter( >>> + const struct hypfs_entry *entry) >>> +{ >>> + return &cpupool_pooldir.e; >>> +} >> I have found a more generic way to handle entering a dyndir node, >> resulting in no need to have cpupool_pooldir_enter() and >> cpupool_pooldir_funcs. >> >> This will add some more lines to the previous patch, but less than >> saved here. > > Which may then mean it's not a good use of time to look at v2 patch > 14, considering there's a lot of other stuff in need of looking at? All of V2 patch 14 remains valid, there is just a generic enter function added in V3. Juergen