On Mon, Sep 02, 2024 at 11:57:05PM +0200, David Sterba wrote: > On Mon, Sep 02, 2024 at 10:56:10PM +0200, Luca Stefani wrote: > > It can be used to calculate the sector size limit of each > > discard call allowing filesystem to implement their own > > chunked discard logic with customized behavior, for example > > cancellation due to signals. > > Maybe to add context for block layer people why we want to export this: > > The fs trim loops over ranges and sends discard requests, some ranges > can be large so it's all transparently handled by blkdev_issue_discard() > and processed in smaller chunks. Then don't use blkdev_issue_discard but use blk_alloc_discard_bio directly. NAK to the export of bio_discard_limit.
