From ac8f0a5c6aa5fd9bb30fba8433a9c843ee6fc0eb Mon Sep 17 00:00:00 2001 From: "John L. Hammond" Date: Tue, 16 Aug 2016 16:18:38 -0400 Subject: [PATCH] staging: lustre: const correct FID/OSTID/... helpers Add a const qualifier wherever possible to the pointer parameters of the inline helper functions in lustre_idl.h and lustre_fid.h. Signed-off-by: John L. Hammond Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-2675 Reviewed-on: http://review.whamcloud.com/8641 Reviewed-by: wangdi Reviewed-by: Fan Yong Reviewed-by: Oleg Drokin Signed-off-by: James Simmons Signed-off-by: Greg Kroah-Hartman --- .../lustre/lustre/include/lustre/lustre_idl.h | 28 +++++++++---------- .../lustre/lustre/include/lustre_fid.h | 9 +++--- 2 files changed, 19 insertions(+), 18 deletions(-) diff --git a/drivers/staging/lustre/lustre/include/lustre/lustre_idl.h b/drivers/staging/lustre/lustre/include/lustre/lustre_idl.h index 87e79b9d2448..c932e20ed13c 100644 --- a/drivers/staging/lustre/lustre/include/lustre/lustre_idl.h +++ b/drivers/staging/lustre/lustre/include/lustre/lustre_idl.h @@ -1033,7 +1033,7 @@ static inline int lu_dirent_calc_size(int namelen, __u16 attr) return (size + 7) & ~7; } -static inline int lu_dirent_size(struct lu_dirent *ent) +static inline int lu_dirent_size(const struct lu_dirent *ent) { if (le16_to_cpu(ent->lde_reclen) == 0) { return lu_dirent_calc_size(le16_to_cpu(ent->lde_namelen), @@ -1067,7 +1067,7 @@ struct lustre_handle { #define DEAD_HANDLE_MAGIC 0xdeadbeefcafebabeULL -static inline int lustre_handle_is_used(struct lustre_handle *lh) +static inline int lustre_handle_is_used(const struct lustre_handle *lh) { return lh->cookie != 0ull; } @@ -1079,7 +1079,7 @@ static inline int lustre_handle_equal(const struct lustre_handle *lh1, } static inline void lustre_handle_copy(struct lustre_handle *tgt, - struct lustre_handle *src) + const struct lustre_handle *src) { tgt->cookie = src->cookie; } @@ -1570,25 +1570,25 @@ static inline void lmm_oi_set_id(struct ost_id *oi, __u64 oid) oi->oi.oi_id = oid; } -static inline __u64 lmm_oi_id(struct ost_id *oi) +static inline __u64 lmm_oi_id(const struct ost_id *oi) { return oi->oi.oi_id; } -static inline __u64 lmm_oi_seq(struct ost_id *oi) +static inline __u64 lmm_oi_seq(const struct ost_id *oi) { return oi->oi.oi_seq; } static inline void lmm_oi_le_to_cpu(struct ost_id *dst_oi, - struct ost_id *src_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); } static inline void lmm_oi_cpu_to_le(struct ost_id *dst_oi, - struct ost_id *src_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); @@ -2724,15 +2724,15 @@ struct ldlm_extent { #define LDLM_GID_ANY ((__u64)-1) -static inline int ldlm_extent_overlap(struct ldlm_extent *ex1, - struct ldlm_extent *ex2) +static inline int ldlm_extent_overlap(const struct ldlm_extent *ex1, + const struct ldlm_extent *ex2) { return (ex1->start <= ex2->end) && (ex2->start <= ex1->end); } /* check if @ex1 contains @ex2 */ -static inline int ldlm_extent_contain(struct ldlm_extent *ex1, - struct ldlm_extent *ex2) +static inline int ldlm_extent_contain(const struct ldlm_extent *ex1, + const struct ldlm_extent *ex2) { return (ex1->start <= ex2->start) && (ex1->end >= ex2->end); } @@ -3092,7 +3092,7 @@ enum agent_req_status { ARS_SUCCEED, }; -static inline char *agent_req_status2name(enum agent_req_status ars) +static inline const char *agent_req_status2name(const enum agent_req_status ars) { switch (ars) { case ARS_WAITING: @@ -3268,7 +3268,7 @@ struct obdo { #define o_cksum o_nlink #define o_grant_used o_data_version -static inline void lustre_set_wire_obdo(struct obd_connect_data *ocd, +static inline void lustre_set_wire_obdo(const struct obd_connect_data *ocd, struct obdo *wobdo, const struct obdo *lobdo) { @@ -3287,7 +3287,7 @@ static inline void lustre_set_wire_obdo(struct obd_connect_data *ocd, } } -static inline void lustre_get_wire_obdo(struct obd_connect_data *ocd, +static inline void lustre_get_wire_obdo(const struct obd_connect_data *ocd, struct obdo *lobdo, const struct obdo *wobdo) { diff --git a/drivers/staging/lustre/lustre/include/lustre_fid.h b/drivers/staging/lustre/lustre/include/lustre_fid.h index 61f393002fd2..a85183b37bac 100644 --- a/drivers/staging/lustre/lustre/include/lustre_fid.h +++ b/drivers/staging/lustre/lustre/include/lustre_fid.h @@ -483,7 +483,7 @@ fid_build_pdo_res_name(const struct lu_fid *fid, unsigned int hash, * res will be built from normal FID directly, i.e. res[0] = f_seq, * res[1] = f_oid + f_ver. */ -static inline void ostid_build_res_name(struct ost_id *oi, +static inline void ostid_build_res_name(const struct ost_id *oi, struct ldlm_res_id *name) { memset(name, 0, sizeof(*name)); @@ -498,8 +498,8 @@ static inline void ostid_build_res_name(struct ost_id *oi, /** * Return true if the resource is for the object identified by this id & group. */ -static inline int ostid_res_name_eq(struct ost_id *oi, - struct ldlm_res_id *name) +static inline int ostid_res_name_eq(const struct ost_id *oi, + const struct ldlm_res_id *name) { /* Note: it is just a trick here to save some effort, probably the * correct way would be turn them into the FID and compare @@ -610,7 +610,8 @@ static inline __u32 fid_flatten32(const struct lu_fid *fid) return ino ? ino : fid_oid(fid); } -static inline int lu_fid_diff(struct lu_fid *fid1, struct lu_fid *fid2) +static inline int lu_fid_diff(const struct lu_fid *fid1, + const struct lu_fid *fid2) { LASSERTF(fid_seq(fid1) == fid_seq(fid2), "fid1:"DFID", fid2:"DFID"\n", PFID(fid1), PFID(fid2)); -- 2.20.1