lightnvm: remove unused attrs in nvm_id structs

The nvm_id, nvm_id_group and nvm_addr_format data structures contain
reserved attributes. They are unused by media managers and targets.
Remove them.

Signed-off-by: Matias Bjørling <m@bjorling.me>
Signed-off-by: Jens Axboe <axboe@fb.com>

diff --git a/include/linux/lightnvm.h b/include/linux/lightnvm.h
index 2572856..e6ef8aa 100644 (file)
--- a/include/linux/lightnvm.h
+++ b/include/linux/lightnvm.h
@@ -58,7 +58,6 @@ enum {
 struct nvm_id_group {
        u8      mtype;
        u8      fmtype;
-       u16     res16;
        u8      num_ch;
        u8      num_lun;
        u8      num_pln;
@@ -76,8 +75,7 @@ struct nvm_id_group {
        u32     mpos;
        u32     mccap;
        u16     cpar;
-       u8      res[913];
-} __packed;
+};
 
 struct nvm_addr_format {
        u8      ch_offset;
@@ -92,19 +90,16 @@ struct nvm_addr_format {
        u8      pg_len;
        u8      sect_offset;
        u8      sect_len;
-       u8      res[4];
 };
 
 struct nvm_id {
        u8      ver_id;
        u8      vmnt;
        u8      cgrps;
-       u8      res[5];
        u32     cap;
        u32     dom;
        struct nvm_addr_format ppaf;
        u8      ppat;
-       u8      resv[224];
        struct nvm_id_group groups[4];
 } __packed;