Merge branch 'for-6.13/block-atomic' into for-6.13/block

Merge in block/fs prep patches for the atomic write support.

* for-6.13/block-atomic:
  block: Add bdev atomic write limits helpers
  fs/block: Check for IOCB_DIRECT in generic_atomic_write_valid()
  block/fs: Pass an iocb to generic_atomic_write_valid()