Installation problem snapapi26 with kernel 2.6.35.7

hello,
i want to install the snapapi26 version 0.7.45 on my new kernel 2.6.35.7. i get this installation error.

CC [M] /var/lib/dkms/snapapi26/0.7.45/build/snapapi26.o
/var/lib/dkms/snapapi26/0.7.45/build/snapapi26.c: In function do_init_session:
/var/lib/dkms/snapapi26/0.7.45/build/snapapi26.c:2969: error: struct request_queue has no member named max_sectors
/var/lib/dkms/snapapi26/0.7.45/build/snapapi26.c: In function session_lockdev:
/var/lib/dkms/snapapi26/0.7.45/build/snapapi26.c:3143: warning: pointer type mismatch in conditional expression
make[1]: *** [/var/lib/dkms/snapapi26/0.7.45/build/snapapi26.o] Fehler 1
make: *** [_module_/var/lib/dkms/snapapi26/0.7.45/build] Fehler 2
make: Leaving directory `/usr/src/linux-2.6.35.7'

Could anybody tell me, how i can solve this problem. I need the backup for my Server very fast.