On 12/11, Bart Van Assche wrote: > On 12/10/24 8:07 PM, Damien Le Moal wrote: > > But for F2FS, the conventional unit is used for metadata and the other zoned LU > > for data. How come copying from one to the other can be useful ? > > Hi Damien, > > What you wrote is correct in general. If a conventional and zoned LU are > combined, data is only written to the conventional LU once the zoned LU > is full. The data on the conventional LU may be migrated to the zoned LU > during garbage collection. This is why copying from the conventional LU > to the zoned LU is useful. > > Jaegeuk, please correct me if I got this wrong. Bart is correct. It doesn't make sense forcing to use conventional LU for metadata only, but shows the remaining conventional LU space to user as well. In order to do that, we exploited the multi-partition support in F2FS by aligning the section to zoned partition offset simply. > > Bart.
