util: modify flbas rsvd bits to be used

[sc108-lee]

flbas Bits 6:5 indicate the most significant 2 bits of
the Format Index of the supported LBA Format indicated
in this data structure that was used to format the namespace

[igaw]

Can you please have a look at:

ninja: Entering directory `.build'
[15/27] Compiling C object src/libnvme.so.1.0.0.p/nvme_tree.c.o
../src/nvme/tree.c: In function ‘nvme_ns_init’:
../src/nvme/tree.c:1679:50: warning: passing argument 2 of ‘nvme_id_ns_flbas_to_lbaf_inuse’ from incompatible pointer type [-Wincompatible-pointer-types]
 1679 |         nvme_id_ns_flbas_to_lbaf_inuse(ns.flbas, &flbas);
      |                                                  ^~~~~~
      |                                                  |
      |                                                  int *
In file included from ../src/nvme/tree.h:21,
                 from ../src/nvme/filters.h:13,
                 from ../src/nvme/tree.c:29:
../src/nvme/util.h:367:69: note: expected ‘__u8 *’ {aka ‘unsigned char *’} but argument is of type ‘int *’
  367 | static inline void nvme_id_ns_flbas_to_lbaf_inuse(__u8 flbas, __u8 *lbaf_inuse)
      |                                                               ~~~~~~^~~~~~~~~~
[27/27] Linking target libnvme/_nvme.cpython-38-x86_64-linux-gnu.so

Thanks!

[sc108-lee]

it was unsaved :( haha, thanks for the checking.
rebased and fixed :)

[sc108-lee]

@igaw I modified the names, and masking order as you recommended :)

[igaw]

Thanks!

[igaw]

@sc108-lee, could send a fix/update for nvme-cli as well?

[igaw]

Never mind, found the PR for nvme-cli. It just needs a refresh.