On 1/26/22 4:51 PM, David Howells wrote: > JeffleXu <jefflexu@xxxxxxxxxxxxxxxxx> wrote: > >> "/path/to/file+offset" >> ^ >> >> Besides, what does the 'offset' mean? > > Assuming you're storing multiple erofs files within the same backend file, you > need to tell the the cache backend how to find the data. Assuming the erofs > data is arranged such that each erofs file is a single contiguous region, then > you need a pathname and a file offset to find one of them. > Alright. In fact one erofs file can contain multiple chunks, which can correspond to different backing blob files. Thus currently I will use fscache_read() directly, to push this feature forward. Thanks a lot. -- Thanks, Jeffle -- Linux-cachefs mailing list Linux-cachefs@xxxxxxxxxx https://listman.redhat.com/mailman/listinfo/linux-cachefs
