Re: [f2fs-dev] Using secure erase in f2fs

2020-12-03 Thread Mikhail Novosyolov via Linux-f2fs-devel
3 декабря 2020 г. 2:41:14 GMT+03:00, Daeho Jeong пишет: >Hi Mikhail, > >As you noticed, f2fs already sends discard commands on released blocks. >Do you want to fill the blocks with zero data, instead of sending >discard commands? Yes, I want to fill the blocks with zero data for multiple times

Re: [f2fs-dev] Using secure erase in f2fs

2020-12-02 Thread Daeho Jeong
Hi Mikhail, As you noticed, f2fs already sends discard commands on released blocks. Do you want to fill the blocks with zero data, instead of sending discard commands? 2020년 12월 3일 (목) 오전 4:24, Mikhail Novosyolov via Linux-f2fs-devel 님이 작성: > > 02.12.2020 21:24, Mikhail Novosyolov пишет: > > Hell

Re: [f2fs-dev] Using secure erase in f2fs

2020-12-02 Thread Mikhail Novosyolov via Linux-f2fs-devel
02.12.2020 21:24, Mikhail Novosyolov пишет: > Hello, f2fs developers! > > I saw commit 9af846486d781a63 "f2fs: add F2FS_IOC_SEC_TRIM_FILE ioctl" in > Linux kernel > https://github.com/torvalds/linux/commit/9af846486d781a63de025a5f502c515268e48790# > > I saw usage of it in Android only > https://an

[f2fs-dev] Using secure erase in f2fs

2020-12-02 Thread Mikhail Novosyolov via Linux-f2fs-devel
Hello, f2fs developers! I saw commit 9af846486d781a63 "f2fs: add F2FS_IOC_SEC_TRIM_FILE ioctl" in Linux kernel https://github.com/torvalds/linux/commit/9af846486d781a63de025a5f502c515268e48790# I saw usage of it in Android only https://android.googlesource.com/platform/system/vold/+/master/secdi