Re: [PATCH] staging: lustre: lmv: mark symbols static where possible

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On Sep 17, 2016, at 06:04, Baoyou Xie <baoyou.xie@xxxxxxxxxx> wrote:
> 
> We get a few warnings when building kernel with W=1:
> drivers/staging/lustre/lustre/lmv/lmv_obd.c:1640:1: warning: no previous prototype for 'lmv_locate_target_for_name' [-Wmissing-prototypes]
> drivers/staging/lustre/lustre/lmv/lmv_obd.c:2421:5: warning: no previous prototype for 'lmv_read_page' [-Wmissing-prototypes]
> ....
> 
> In fact, these functions are only used in the file in which they are
> declared and don't need a declaration, but can be made static.
> so this patch marks these functions with 'static'.
> 
> Signed-off-by: Baoyou Xie <baoyou.xie@xxxxxxxxxx>

Reviewed by: Andreas Dilger <andreas.dilger@xxxxxxxxx>

> ---
> drivers/staging/lustre/lustre/lmv/lmv_obd.c | 38 ++++++++++++++++-------------
> 1 file changed, 21 insertions(+), 17 deletions(-)
> 
> diff --git a/drivers/staging/lustre/lustre/lmv/lmv_obd.c b/drivers/staging/lustre/lustre/lmv/lmv_obd.c
> index dc752d5..5783359 100644
> --- a/drivers/staging/lustre/lustre/lmv/lmv_obd.c
> +++ b/drivers/staging/lustre/lustre/lmv/lmv_obd.c
> @@ -1636,7 +1636,7 @@ static int lmv_close(struct obd_export *exp, struct md_op_data *op_data,
>  * For striped-directory, it will locate MDT by name. And also
>  * it will reset op_fid1 with the FID of the chosen stripe.
>  **/
> -struct lmv_tgt_desc *
> +static struct lmv_tgt_desc *
> lmv_locate_target_for_name(struct lmv_obd *lmv, struct lmv_stripe_md *lsm,
> 			   const char *name, int namelen, struct lu_fid *fid,
> 			   u32 *mds)
> @@ -2418,9 +2418,9 @@ static int lmv_read_striped_page(struct obd_export *exp,
> 	return rc;
> }
> 
> -int lmv_read_page(struct obd_export *exp, struct md_op_data *op_data,
> -		  struct md_callback *cb_op, __u64 offset,
> -		  struct page **ppage)
> +static int lmv_read_page(struct obd_export *exp, struct md_op_data *op_data,
> +			 struct md_callback *cb_op, __u64 offset,
> +			 struct page **ppage)
> {
> 	struct lmv_stripe_md *lsm = op_data->op_mea1;
> 	struct obd_device *obd = exp->exp_obd;
> @@ -2771,8 +2771,9 @@ static int lmv_pack_md_v1(const struct lmv_stripe_md *lsm,
> 	return 0;
> }
> 
> -int lmv_pack_md(union lmv_mds_md **lmmp, const struct lmv_stripe_md *lsm,
> -		int stripe_count)
> +static int
> +lmv_pack_md(union lmv_mds_md **lmmp, const struct lmv_stripe_md *lsm,
> +	    int stripe_count)
> {
> 	int lmm_size = 0, rc = 0;
> 	bool allocated = false;
> @@ -2966,15 +2967,15 @@ int lmv_unpack_md(struct obd_export *exp, struct lmv_stripe_md **lsmp,
> }
> EXPORT_SYMBOL(lmv_unpack_md);
> 
> -int lmv_unpackmd(struct obd_export *exp, struct lov_stripe_md **lsmp,
> -		 struct lov_mds_md *lmm, int disk_len)
> +static int lmv_unpackmd(struct obd_export *exp, struct lov_stripe_md **lsmp,
> +			struct lov_mds_md *lmm, int disk_len)
> {
> 	return lmv_unpack_md(exp, (struct lmv_stripe_md **)lsmp,
> 			     (union lmv_mds_md *)lmm, disk_len);
> }
> 
> -int lmv_packmd(struct obd_export *exp, struct lov_mds_md **lmmp,
> -	       struct lov_stripe_md *lsm)
> +static int lmv_packmd(struct obd_export *exp, struct lov_mds_md **lmmp,
> +		      struct lov_stripe_md *lsm)
> {
> 	const struct lmv_stripe_md *lmv = (struct lmv_stripe_md *)lsm;
> 	struct obd_device *obd = exp->exp_obd;
> @@ -3177,9 +3178,10 @@ static int lmv_revalidate_lock(struct obd_export *exp, struct lookup_intent *it,
> 	return rc;
> }
> 
> -int lmv_get_fid_from_lsm(struct obd_export *exp,
> -			 const struct lmv_stripe_md *lsm,
> -			 const char *name, int namelen, struct lu_fid *fid)
> +static int
> +lmv_get_fid_from_lsm(struct obd_export *exp,
> +		     const struct lmv_stripe_md *lsm,
> +		     const char *name, int namelen, struct lu_fid *fid)
> {
> 	const struct lmv_oinfo *oinfo;
> 
> @@ -3269,14 +3271,16 @@ static int lmv_quotacheck(struct obd_device *unused, struct obd_export *exp,
> 	return rc;
> }
> 
> -int lmv_update_lsm_md(struct obd_export *exp, struct lmv_stripe_md *lsm,
> -		      struct mdt_body *body, ldlm_blocking_callback cb_blocking)
> +static int
> +lmv_update_lsm_md(struct obd_export *exp, struct lmv_stripe_md *lsm,
> +		  struct mdt_body *body, ldlm_blocking_callback cb_blocking)
> {
> 	return lmv_revalidate_slaves(exp, body, lsm, cb_blocking, 0);
> }
> 
> -int lmv_merge_attr(struct obd_export *exp, const struct lmv_stripe_md *lsm,
> -		   struct cl_attr *attr)
> +static int
> +lmv_merge_attr(struct obd_export *exp, const struct lmv_stripe_md *lsm,
> +	       struct cl_attr *attr)
> {
> 	int i;
> 
> -- 
> 2.7.4
> 

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