cef0223191
Make the ops->init_rreq() callback optional. This isn't required for the erofs changes I'm implementing to do on-demand read through fscache[1]. Further, ceph has an empty init_rreq method that can then be removed and it's marked optional in the documentation. Signed-off-by: Jeffle Xu <jefflexu@linux.alibaba.com> Signed-off-by: David Howells <dhowells@redhat.com> Reviewed-by: Jeff Layton <jlayton@kernel.org> cc: linux-cachefs@redhat.com Link: https://lore.kernel.org/r/20211227125444.21187-1-jefflexu@linux.alibaba.com/ [1] Link: https://lore.kernel.org/r/20211228124419.103020-1-jefflexu@linux.alibaba.com Link: https://lore.kernel.org/r/164251410387.3435901.2504600788262093313.stgit@warthog.procyon.org.uk/ # v1 |
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| read_helper.c | ||
| stats.c | ||