staging: lustre: Fix sparse endianness warnings cast to restricted __le64 and __le32
authorSkanda Guruanand <skanda.kashyap@gmail.com>
Sun, 16 Apr 2017 00:48:59 +0000 (17:48 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 18 Apr 2017 11:27:15 +0000 (13:27 +0200)
The struct lu_dirpage elements in lustre_idl.h file are modified to
__le64 and __le32 types since the  elements are always converted from
litte endian to processor native format in mdc_request.c file.

Following warnings are removed by this fix.

drivers/staging/lustre/lustre/mdc/mdc_request.c:958:42: warning: cast to restricted __le64
drivers/staging/lustre/lustre/mdc/mdc_request.c:959:42: warning: cast to restricted __le64
drivers/staging/lustre/lustre/mdc/mdc_request.c:962:42: warning: cast to restricted __le64
drivers/staging/lustre/lustre/mdc/mdc_request.c:963:42: warning: cast to restricted __le64
drivers/staging/lustre/lustre/mdc/mdc_request.c:985:50: warning: cast to restricted __le32
drivers/staging/lustre/lustre/mdc/mdc_request.c:1193:24: warning: cast to restricted __le64
drivers/staging/lustre/lustre/mdc/mdc_request.c:1328:25: warning: cast to restricted __le64
drivers/staging/lustre/lustre/mdc/mdc_request.c:1329:23: warning: cast to restricted __le64
drivers/staging/lustre/lustre/mdc/mdc_request.c:1332:25: warning: cast to restricted __le64
drivers/staging/lustre/lustre/mdc/mdc_request.c:1333:23: warning: cast to restricted __le64

Signed-off-by: Skanda Guruanand <skanda.kashyap@gmail.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/lustre/lustre/include/lustre/lustre_idl.h

index 60b827e..df48b8d 100644 (file)
@@ -846,10 +846,10 @@ struct luda_type {
 #endif
 
 struct lu_dirpage {
-       __u64       ldp_hash_start;
-       __u64       ldp_hash_end;
-       __u32       ldp_flags;
-       __u32       ldp_pad0;
+       __le64      ldp_hash_start;
+       __le64      ldp_hash_end;
+       __le32      ldp_flags;
+       __le32      ldp_pad0;
        struct lu_dirent ldp_entries[0];
 };