On 10/25, Chao Yu wrote: > On 2019/10/25 11:51, Hridya Valsaraju wrote: > > On Thu, Oct 24, 2019 at 2:26 AM Chao Yu <yuch...@huawei.com> wrote: > >> > >> On 2019/10/24 5:48, Hridya Valsaraju wrote: > >>> Currently f2fs stats are only available from /d/f2fs/status. This patch > >>> adds some of the f2fs stats to sysfs so that they are accessible even > >>> when debugfs is not mounted. > >> > >> Why don't we mount debugfs first? > > > > Thank you for taking a look at the patch Chao. We will not be mounting > > debugfs for security reasons. > > Hi, Hridya, > > May I ask is there any use case for those new entries? > > So many sysfs entries exist, if there is real use case, how about backuping > entire /d/f2fs/status entry into /proc/fs/f2fs/<dev>/ directory rather than > adding some of stats as a single entry in sysfs directory?
These will be useful to keep a track on f2fs health status by one value per entry, which doesn't require user-land parsing stuff. Of course, Android can exploit them by IdleMaint, rollback feature, and so on. > > Thanks, > > > > > Regards, > > Hridya > > > >> > >> Thanks, > > . > > _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel