On Tue, May 09, 2023 at 01:51:08AM +0800, youling257 wrote: > I using linux mainline kernel on android. https://github.com/youling257/android-mainline/commits/6.4 https://github.com/youling257/android-mainline/commits/6.3 > "ext4: Stop providing .writepage hook" cause some android app unable to read storage/emulated/0 files, i need to say android esdfs file system storage/emulated is ext4 data/media bind mount. > I want to ask, why android storage/emulated need .writepage hook? "esdfs" doesn't exist upstream, so linux-ext4 can't provide support for it. Also, it doesn't exist in the Android Common Kernels either, so the Android team cannot help you either. - Eric
