staging: lustre: llite: remove unused parameters from md_{get, set}xattr()

md_getxattr() and md_setxattr() each have several unused
parameters. Remove them and improve the naming or remaining
parameters.

Signed-off-by: John L. Hammond <john.hammond@intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-10792
Reviewed-on: https://review.whamcloud.com/
Reviewed-by: Dmitry Eremin <dmitry.eremin@intel.com>
Reviewed-by: James Simmons <uja.ornl@yahoo.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

7 files changed, 46 insertions, 49 deletions

diff --git a/drivers/staging/lustre/lustre/include/obd.h b/drivers/staging/lustre/lustre/include/obd.h
index da99a0f02b6c..b1907bbffb19 100644
--- a/drivers/staging/lustre/lustre/include/obd.h
+++ b/drivers/staging/lustre/lustre/include/obd.h
@@ -940,12 +940,11 @@ struct md_ops {
                       struct ptlrpc_request **);
 
         int (*setxattr)(struct obd_export *, const struct lu_fid *,
-                        u64, const char *, const char *, int, int, int, __u32,
-                        struct ptlrpc_request **);
+                        u64, const char *, const void *, size_t, unsigned int,
+                        u32, struct ptlrpc_request **);
 
         int (*getxattr)(struct obd_export *, const struct lu_fid *,
-                        u64, const char *, const char *, int, int, int,
-                        struct ptlrpc_request **);
+                        u64, const char *, size_t, struct ptlrpc_request **);
 
         int (*init_ea_size)(struct obd_export *, u32, u32);
 
diff --git a/drivers/staging/lustre/lustre/include/obd_class.h b/drivers/staging/lustre/lustre/include/obd_class.h
index a3b1465121e5..fc9c7720fee0 100644
--- a/drivers/staging/lustre/lustre/include/obd_class.h
+++ b/drivers/staging/lustre/lustre/include/obd_class.h
@@ -1385,29 +1385,26 @@ static inline int md_merge_attr(struct obd_export *exp,
 }
 
 static inline int md_setxattr(struct obd_export *exp, const struct lu_fid *fid,
-                              u64 valid, const char *name,
-                              const char *input, int input_size,
-                              int output_size, int flags, __u32 suppgid,
+                              u64 obd_md_valid, const char *name,
+                              const char *value, size_t value_size,
+                              unsigned int xattr_flags, u32 suppgid,
                               struct ptlrpc_request **request)
 {
         EXP_CHECK_MD_OP(exp, setxattr);
         EXP_MD_COUNTER_INCREMENT(exp, setxattr);
-        return MDP(exp->exp_obd, setxattr)(exp, fid, valid, name, input,
-                                           input_size, output_size, flags,
+        return MDP(exp->exp_obd, setxattr)(exp, fid, obd_md_valid, name,
+                                           value, value_size, xattr_flags,
                                            suppgid, request);
 }
 
 static inline int md_getxattr(struct obd_export *exp, const struct lu_fid *fid,
-                              u64 valid, const char *name,
-                              const char *input, int input_size,
-                              int output_size, int flags,
-                              struct ptlrpc_request **request)
+                              u64 obd_md_valid, const char *name,
+                              size_t buf_size, struct ptlrpc_request **req)
 {
         EXP_CHECK_MD_OP(exp, getxattr);
         EXP_MD_COUNTER_INCREMENT(exp, getxattr);
-        return MDP(exp->exp_obd, getxattr)(exp, fid, valid, name, input,
-                                           input_size, output_size, flags,
-                                           request);
+        return MDP(exp->exp_obd, getxattr)(exp, fid, obd_md_valid, name,
+                                           buf_size, req);
 }
 
 static inline int md_set_open_replay_data(struct obd_export *exp,
diff --git a/drivers/staging/lustre/lustre/llite/acl.c b/drivers/staging/lustre/lustre/llite/acl.c
index de1499b088da..2ee9ff931236 100644
--- a/drivers/staging/lustre/lustre/llite/acl.c
+++ b/drivers/staging/lustre/lustre/llite/acl.c
@@ -94,7 +94,7 @@ int ll_set_acl(struct inode *inode, struct posix_acl *acl, int type)
 
         rc = md_setxattr(sbi->ll_md_exp, ll_inode2fid(inode),
                          value ? OBD_MD_FLXATTR : OBD_MD_FLXATTRRM,
-                         name, value, value_size, 0, 0, 0, &req);
+                         name, value, value_size, 0, 0, &req);
 
         ptlrpc_req_finished(req);
 out_value:
diff --git a/drivers/staging/lustre/lustre/llite/file.c b/drivers/staging/lustre/lustre/llite/file.c
index ccbf91b7296d..02295931883b 100644
--- a/drivers/staging/lustre/lustre/llite/file.c
+++ b/drivers/staging/lustre/lustre/llite/file.c
@@ -3323,8 +3323,7 @@ static int ll_layout_fetch(struct inode *inode, struct ldlm_lock *lock)
         rc = ll_get_default_mdsize(sbi, &lmmsize);
         if (rc == 0)
                 rc = md_getxattr(sbi->ll_md_exp, ll_inode2fid(inode),
-                                 OBD_MD_FLXATTR, XATTR_NAME_LOV, NULL, 0,
-                                 lmmsize, 0, &req);
+                                 OBD_MD_FLXATTR, XATTR_NAME_LOV, lmmsize, &req);
         if (rc < 0)
                 return rc;
 
diff --git a/drivers/staging/lustre/lustre/llite/xattr.c b/drivers/staging/lustre/lustre/llite/xattr.c
index 1a597a640b6c..7fa0a419c094 100644
--- a/drivers/staging/lustre/lustre/llite/xattr.c
+++ b/drivers/staging/lustre/lustre/llite/xattr.c
@@ -145,7 +145,7 @@ static int ll_xattr_set_common(const struct xattr_handler *handler,
                 return -ENOMEM;
 
         rc = md_setxattr(sbi->ll_md_exp, ll_inode2fid(inode), valid, fullname,
-                         pv, size, 0, flags, ll_i2suppgid(inode), &req);
+                         pv, size, flags, ll_i2suppgid(inode), &req);
         kfree(fullname);
         if (rc) {
                 if (rc == -EOPNOTSUPP && handler->flags == XATTR_USER_T) {
@@ -344,8 +344,8 @@ int ll_xattr_list(struct inode *inode, const char *name, int type, void *buffer,
                 }
         } else {
 getxattr_nocache:
-                rc = md_getxattr(sbi->ll_md_exp, ll_inode2fid(inode),
-                                 valid, name, NULL, 0, size, 0, &req);
+                rc = md_getxattr(sbi->ll_md_exp, ll_inode2fid(inode), valid,
+                                 name, size, &req);
                 if (rc < 0)
                         goto out_xattr;
 
diff --git a/drivers/staging/lustre/lustre/lmv/lmv_obd.c b/drivers/staging/lustre/lustre/lmv/lmv_obd.c
index 60cdba99e4a4..fa5f4e558567 100644
--- a/drivers/staging/lustre/lustre/lmv/lmv_obd.c
+++ b/drivers/staging/lustre/lustre/lmv/lmv_obd.c
@@ -1400,9 +1400,8 @@ static int lmv_getstatus(struct obd_export *exp,
 }
 
 static int lmv_getxattr(struct obd_export *exp, const struct lu_fid *fid,
-                        u64 valid, const char *name,
-                        const char *input, int input_size, int output_size,
-                        int flags, struct ptlrpc_request **request)
+                        u64 obd_md_valid, const char *name, size_t buf_size,
+                        struct ptlrpc_request **req)
 {
         struct obd_device      *obd = exp->exp_obd;
         struct lmv_obd   *lmv = &obd->u.lmv;
@@ -1412,15 +1411,15 @@ static int lmv_getxattr(struct obd_export *exp, const struct lu_fid *fid,
         if (IS_ERR(tgt))
                 return PTR_ERR(tgt);
 
-        return md_getxattr(tgt->ltd_exp, fid, valid, name, input,
-                         input_size, output_size, flags, request);
+        return md_getxattr(tgt->ltd_exp, fid, obd_md_valid, name, buf_size,
+                           req);
 }
 
 static int lmv_setxattr(struct obd_export *exp, const struct lu_fid *fid,
-                        u64 valid, const char *name,
-                        const char *input, int input_size, int output_size,
-                        int flags, __u32 suppgid,
-                        struct ptlrpc_request **request)
+                        u64 obd_md_valid, const char *name,
+                        const void *value, size_t value_size,
+                        unsigned int xattr_flags, u32 suppgid,
+                        struct ptlrpc_request **req)
 {
         struct obd_device      *obd = exp->exp_obd;
         struct lmv_obd   *lmv = &obd->u.lmv;
@@ -1430,9 +1429,8 @@ static int lmv_setxattr(struct obd_export *exp, const struct lu_fid *fid,
         if (IS_ERR(tgt))
                 return PTR_ERR(tgt);
 
-        return md_setxattr(tgt->ltd_exp, fid, valid, name, input,
-                         input_size, output_size, flags, suppgid,
-                         request);
+        return md_setxattr(tgt->ltd_exp, fid, obd_md_valid, name,
+                           value, value_size, xattr_flags, suppgid, req);
 }
 
 static int lmv_getattr(struct obd_export *exp, struct md_op_data *op_data,
diff --git a/drivers/staging/lustre/lustre/mdc/mdc_request.c b/drivers/staging/lustre/lustre/mdc/mdc_request.c
index 50709ffe6073..9b1180547afc 100644
--- a/drivers/staging/lustre/lustre/mdc/mdc_request.c
+++ b/drivers/staging/lustre/lustre/mdc/mdc_request.c
@@ -350,26 +350,30 @@ static int mdc_xattr_common(struct obd_export *exp,
 }
 
 static int mdc_setxattr(struct obd_export *exp, const struct lu_fid *fid,
-                        u64 valid, const char *xattr_name,
-                        const char *input, int input_size, int output_size,
-                        int flags, __u32 suppgid,
-                        struct ptlrpc_request **request)
+                        u64 obd_md_valid, const char *name,
+                        const void *value, size_t value_size,
+                        unsigned int xattr_flags, u32 suppgid,
+                        struct ptlrpc_request **req)
 {
+        LASSERT(obd_md_valid == OBD_MD_FLXATTR ||
+                obd_md_valid == OBD_MD_FLXATTRRM);
+
         return mdc_xattr_common(exp, &RQF_MDS_REINT_SETXATTR,
-                                fid, MDS_REINT, valid, xattr_name,
-                                input, input_size, output_size, flags,
-                                suppgid, request);
+                                fid, MDS_REINT, obd_md_valid, name,
+                                value, value_size, 0, xattr_flags, suppgid,
+                                req);
 }
 
 static int mdc_getxattr(struct obd_export *exp, const struct lu_fid *fid,
-                        u64 valid, const char *xattr_name,
-                        const char *input, int input_size, int output_size,
-                        int flags, struct ptlrpc_request **request)
-{
-        return mdc_xattr_common(exp, &RQF_MDS_GETXATTR,
-                                fid, MDS_GETXATTR, valid, xattr_name,
-                                input, input_size, output_size, flags,
-                                -1, request);
+                        u64 obd_md_valid, const char *name, size_t buf_size,
+                        struct ptlrpc_request **req)
+{
+        LASSERT(obd_md_valid == OBD_MD_FLXATTR ||
+                obd_md_valid == OBD_MD_FLXATTRLS);
+
+        return mdc_xattr_common(exp, &RQF_MDS_GETXATTR, fid, MDS_GETXATTR,
+                                obd_md_valid, name, NULL, 0, buf_size, 0, -1,
+                                req);
 }
 
 #ifdef CONFIG_FS_POSIX_ACL