Re: [PATCH 15/17] staging: lustre: discard cfs_time_before_64()

From: James Simmons
Date: Fri Mar 30 2018 - 15:03:35 EST



> cfs_time_before_64 is the same as time_before64()
> similarly cfs_time_beforeq_64() matsches time_before_eq64()
> So just use the standard interfaces.

Reviewed-by: James Simmons <jsimmons@xxxxxxxxxxxxx>

> Signed-off-by: NeilBrown <neilb@xxxxxxxx>
> ---
> .../lustre/include/linux/libcfs/linux/linux-time.h | 14 --------------
> drivers/staging/lustre/lustre/include/obd_class.h | 4 ++--
> drivers/staging/lustre/lustre/ptlrpc/import.c | 4 ++--
> 3 files changed, 4 insertions(+), 18 deletions(-)
>
> diff --git a/drivers/staging/lustre/include/linux/libcfs/linux/linux-time.h b/drivers/staging/lustre/include/linux/libcfs/linux/linux-time.h
> index 9a353c6cb85a..ecdebccf2b44 100644
> --- a/drivers/staging/lustre/include/linux/libcfs/linux/linux-time.h
> +++ b/drivers/staging/lustre/include/linux/libcfs/linux/linux-time.h
> @@ -56,20 +56,6 @@
>
> #include <linux/jiffies.h>
>
> -/*
> - * Generic kernel stuff
> - */
> -
> -static inline int cfs_time_before_64(u64 t1, u64 t2)
> -{
> - return (__s64)t2 - (__s64)t1 > 0;
> -}
> -
> -static inline int cfs_time_beforeq_64(u64 t1, u64 t2)
> -{
> - return (__s64)t2 - (__s64)t1 >= 0;
> -}
> -
> /*
> * One jiffy
> */
> diff --git a/drivers/staging/lustre/lustre/include/obd_class.h b/drivers/staging/lustre/lustre/include/obd_class.h
> index 7cfc3c8d100c..176b63e2c9a7 100644
> --- a/drivers/staging/lustre/lustre/include/obd_class.h
> +++ b/drivers/staging/lustre/lustre/include/obd_class.h
> @@ -932,7 +932,7 @@ static inline int obd_statfs_async(struct obd_export *exp,
>
> CDEBUG(D_SUPER, "%s: osfs %p age %llu, max_age %llu\n",
> obd->obd_name, &obd->obd_osfs, obd->obd_osfs_age, max_age);
> - if (cfs_time_before_64(obd->obd_osfs_age, max_age)) {
> + if (time_before64(obd->obd_osfs_age, max_age)) {
> rc = OBP(obd, statfs_async)(exp, oinfo, max_age, rqset);
> } else {
> CDEBUG(D_SUPER,
> @@ -992,7 +992,7 @@ static inline int obd_statfs(const struct lu_env *env, struct obd_export *exp,
>
> CDEBUG(D_SUPER, "osfs %llu, max_age %llu\n",
> obd->obd_osfs_age, max_age);
> - if (cfs_time_before_64(obd->obd_osfs_age, max_age)) {
> + if (time_before64(obd->obd_osfs_age, max_age)) {
> rc = OBP(obd, statfs)(env, exp, osfs, max_age, flags);
> if (rc == 0) {
> spin_lock(&obd->obd_osfs_lock);
> diff --git a/drivers/staging/lustre/lustre/ptlrpc/import.c b/drivers/staging/lustre/lustre/ptlrpc/import.c
> index dd4fd54128dd..537a9e2ed467 100644
> --- a/drivers/staging/lustre/lustre/ptlrpc/import.c
> +++ b/drivers/staging/lustre/lustre/ptlrpc/import.c
> @@ -463,7 +463,7 @@ static int import_select_connection(struct obd_import *imp)
> * the last successful attempt, go with this one
> */
> if ((conn->oic_last_attempt == 0) ||
> - cfs_time_beforeq_64(conn->oic_last_attempt,
> + time_before_eq64(conn->oic_last_attempt,
> imp->imp_last_success_conn)) {
> imp_conn = conn;
> tried_all = 0;
> @@ -476,7 +476,7 @@ static int import_select_connection(struct obd_import *imp)
> */
> if (!imp_conn)
> imp_conn = conn;
> - else if (cfs_time_before_64(conn->oic_last_attempt,
> + else if (time_before64(conn->oic_last_attempt,
> imp_conn->oic_last_attempt))
> imp_conn = conn;
> }
>
>
>