Make erofs in fscache mode support PAGE_SIZE larger than 4KB.  After
that we can remove the constraint of 4KB blksize for fscache mode.

This relies on some improvement to fscache/cachefiles sent soon.

Jingbo Xu (2):
  erofs: pass accurate blob size to prepare_ondemand_read()
  erofs: set blksize to on-disk blksize for fscache mode

 fs/erofs/fscache.c | 13 +++++++++++--
 fs/erofs/super.c   | 38 ++++++++++++++++++++------------------
 2 files changed, 31 insertions(+), 20 deletions(-)

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2.19.1.6.gb485710b