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Subject[PATCH v2 5/5] staging: lustre: headers: use proper byteorder functions in lustre_idl.h
Date
In order for lustre_idl.h to be usable for both user
land and kernel space it has to use the proper
byteorder functions.

Signed-off-by: James Simmons <uja.ornl@yahoo.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-6245
Reviewed-on: http://review.whamcloud.com/16916
Reviewed-by: Frank Zago <fzago@cray.com>
Reviewed-by: Dmitry Eremin <dmitry.eremin@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Reviewed-by: John L. Hammond <john.hammond@intel.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
---
.../lustre/lustre/include/lustre/lustre_idl.h | 55 ++++++++++++----------
1 file changed, 29 insertions(+), 26 deletions(-)

diff --git a/drivers/staging/lustre/lustre/include/lustre/lustre_idl.h b/drivers/staging/lustre/lustre/include/lustre/lustre_idl.h
index cd2dbfb..3d74d56 100644
--- a/drivers/staging/lustre/lustre/include/lustre/lustre_idl.h
+++ b/drivers/staging/lustre/lustre/include/lustre/lustre_idl.h
@@ -69,6 +69,9 @@
#ifndef _LUSTRE_IDL_H_
#define _LUSTRE_IDL_H_

+#include <asm/byteorder.h>
+#include <linux/types.h>
+
#include "../../../include/linux/libcfs/libcfs.h"
#include "../../../include/linux/lnet/types.h"

@@ -687,30 +690,30 @@ static inline void lu_igif_build(struct lu_fid *fid, __u32 ino, __u32 gen)
*/
static inline void fid_cpu_to_le(struct lu_fid *dst, const struct lu_fid *src)
{
- dst->f_seq = cpu_to_le64(fid_seq(src));
- dst->f_oid = cpu_to_le32(fid_oid(src));
- dst->f_ver = cpu_to_le32(fid_ver(src));
+ dst->f_seq = __cpu_to_le64(fid_seq(src));
+ dst->f_oid = __cpu_to_le32(fid_oid(src));
+ dst->f_ver = __cpu_to_le32(fid_ver(src));
}

static inline void fid_le_to_cpu(struct lu_fid *dst, const struct lu_fid *src)
{
- dst->f_seq = le64_to_cpu(fid_seq(src));
- dst->f_oid = le32_to_cpu(fid_oid(src));
- dst->f_ver = le32_to_cpu(fid_ver(src));
+ dst->f_seq = __le64_to_cpu(fid_seq(src));
+ dst->f_oid = __le32_to_cpu(fid_oid(src));
+ dst->f_ver = __le32_to_cpu(fid_ver(src));
}

static inline void fid_cpu_to_be(struct lu_fid *dst, const struct lu_fid *src)
{
- dst->f_seq = cpu_to_be64(fid_seq(src));
- dst->f_oid = cpu_to_be32(fid_oid(src));
- dst->f_ver = cpu_to_be32(fid_ver(src));
+ dst->f_seq = __cpu_to_be64(fid_seq(src));
+ dst->f_oid = __cpu_to_be32(fid_oid(src));
+ dst->f_ver = __cpu_to_be32(fid_ver(src));
}

static inline void fid_be_to_cpu(struct lu_fid *dst, const struct lu_fid *src)
{
- dst->f_seq = be64_to_cpu(fid_seq(src));
- dst->f_oid = be32_to_cpu(fid_oid(src));
- dst->f_ver = be32_to_cpu(fid_ver(src));
+ dst->f_seq = __be64_to_cpu(fid_seq(src));
+ dst->f_oid = __be32_to_cpu(fid_oid(src));
+ dst->f_ver = __be32_to_cpu(fid_ver(src));
}

static inline bool fid_is_sane(const struct lu_fid *fid)
@@ -747,8 +750,8 @@ static inline void ostid_cpu_to_le(const struct ost_id *src_oi,
struct ost_id *dst_oi)
{
if (fid_seq_is_mdt0(ostid_seq(src_oi))) {
- dst_oi->oi.oi_id = cpu_to_le64(src_oi->oi.oi_id);
- dst_oi->oi.oi_seq = cpu_to_le64(src_oi->oi.oi_seq);
+ dst_oi->oi.oi_id = __cpu_to_le64(src_oi->oi.oi_id);
+ dst_oi->oi.oi_seq = __cpu_to_le64(src_oi->oi.oi_seq);
} else {
fid_cpu_to_le(&dst_oi->oi_fid, &src_oi->oi_fid);
}
@@ -758,8 +761,8 @@ static inline void ostid_le_to_cpu(const struct ost_id *src_oi,
struct ost_id *dst_oi)
{
if (fid_seq_is_mdt0(ostid_seq(src_oi))) {
- dst_oi->oi.oi_id = le64_to_cpu(src_oi->oi.oi_id);
- dst_oi->oi.oi_seq = le64_to_cpu(src_oi->oi.oi_seq);
+ dst_oi->oi.oi_id = __le64_to_cpu(src_oi->oi.oi_id);
+ dst_oi->oi.oi_seq = __le64_to_cpu(src_oi->oi.oi_seq);
} else {
fid_le_to_cpu(&dst_oi->oi_fid, &src_oi->oi_fid);
}
@@ -866,7 +869,7 @@ enum lu_dirpage_flags {

static inline struct lu_dirent *lu_dirent_start(struct lu_dirpage *dp)
{
- if (le32_to_cpu(dp->ldp_flags) & LDF_EMPTY)
+ if (__le32_to_cpu(dp->ldp_flags) & LDF_EMPTY)
return NULL;
else
return dp->ldp_entries;
@@ -876,8 +879,8 @@ static inline struct lu_dirent *lu_dirent_next(struct lu_dirent *ent)
{
struct lu_dirent *next;

- if (le16_to_cpu(ent->lde_reclen) != 0)
- next = ((void *)ent) + le16_to_cpu(ent->lde_reclen);
+ if (__le16_to_cpu(ent->lde_reclen) != 0)
+ next = ((void *)ent) + __le16_to_cpu(ent->lde_reclen);
else
next = NULL;

@@ -1438,15 +1441,15 @@ static inline __u64 lmm_oi_seq(const struct ost_id *oi)
static inline void lmm_oi_le_to_cpu(struct ost_id *dst_oi,
const struct ost_id *src_oi)
{
- dst_oi->oi.oi_id = le64_to_cpu(src_oi->oi.oi_id);
- dst_oi->oi.oi_seq = le64_to_cpu(src_oi->oi.oi_seq);
+ dst_oi->oi.oi_id = __le64_to_cpu(src_oi->oi.oi_id);
+ dst_oi->oi.oi_seq = __le64_to_cpu(src_oi->oi.oi_seq);
}

static inline void lmm_oi_cpu_to_le(struct ost_id *dst_oi,
const struct ost_id *src_oi)
{
- dst_oi->oi.oi_id = cpu_to_le64(src_oi->oi.oi_id);
- dst_oi->oi.oi_seq = cpu_to_le64(src_oi->oi.oi_seq);
+ dst_oi->oi.oi_id = __cpu_to_le64(src_oi->oi.oi_id);
+ dst_oi->oi.oi_seq = __cpu_to_le64(src_oi->oi.oi_seq);
}

#define MAX_MD_SIZE \
@@ -2382,11 +2385,11 @@ static inline ssize_t lmv_mds_md_size(int stripe_count, unsigned int lmm_magic)

static inline int lmv_mds_md_stripe_count_get(const union lmv_mds_md *lmm)
{
- switch (le32_to_cpu(lmm->lmv_magic)) {
+ switch (__le32_to_cpu(lmm->lmv_magic)) {
case LMV_MAGIC_V1:
- return le32_to_cpu(lmm->lmv_md_v1.lmv_stripe_count);
+ return __le32_to_cpu(lmm->lmv_md_v1.lmv_stripe_count);
case LMV_USER_MAGIC:
- return le32_to_cpu(lmm->lmv_user_md.lum_stripe_count);
+ return __le32_to_cpu(lmm->lmv_user_md.lum_stripe_count);
default:
return -EINVAL;
}
--
1.8.3.1
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