diff options
| author | Binoy Jayan <binoy.jayan@linaro.org> | 2016-06-08 13:20:42 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-06-09 18:29:52 -0700 |
| commit | 21ca52bb749e66cf755a8b8d6345a8fbbc17ce91 (patch) | |
| tree | 7400fb662631575d1c0209053cf596f45dff70d5 | |
| parent | 67b1a24e883c8ca716ca3524b2ca1ca5579a48be (diff) | |
staging: lustre: lnet: Replace semaphore ln_rc_signal with completion
The semaphore ln_rc_signal is used as completion, so convert it to
struct completion. Semaphores are going away in the future.
Signed-off-by: Binoy Jayan <binoy.jayan@linaro.org>
Acked-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/staging/lustre/include/linux/lnet/lib-types.h | 3 | ||||
| -rw-r--r-- | drivers/staging/lustre/lnet/lnet/router.c | 9 |
2 files changed, 7 insertions, 5 deletions
diff --git a/drivers/staging/lustre/include/linux/lnet/lib-types.h b/drivers/staging/lustre/include/linux/lnet/lib-types.h index 24c4a08e6dc6..7967b013cbae 100644 --- a/drivers/staging/lustre/include/linux/lnet/lib-types.h +++ b/drivers/staging/lustre/include/linux/lnet/lib-types.h @@ -38,6 +38,7 @@ #include <linux/kthread.h> #include <linux/uio.h> #include <linux/types.h> +#include <linux/completion.h> #include "types.h" #include "lnetctl.h" @@ -610,7 +611,7 @@ typedef struct { /* rcd ready for free */ struct list_head ln_rcd_zombie; /* serialise startup/shutdown */ - struct semaphore ln_rc_signal; + struct completion ln_rc_signal; struct mutex ln_api_mutex; struct mutex ln_lnd_mutex; diff --git a/drivers/staging/lustre/lnet/lnet/router.c b/drivers/staging/lustre/lnet/lnet/router.c index b01dc424c514..063543233035 100644 --- a/drivers/staging/lustre/lnet/lnet/router.c +++ b/drivers/staging/lustre/lnet/lnet/router.c @@ -18,6 +18,7 @@ */ #define DEBUG_SUBSYSTEM S_LNET +#include <linux/completion.h> #include "../../include/linux/lnet/lib-lnet.h" #define LNET_NRB_TINY_MIN 512 /* min value for each CPT */ @@ -1065,7 +1066,7 @@ lnet_router_checker_start(void) return -EINVAL; } - sema_init(&the_lnet.ln_rc_signal, 0); + init_completion(&the_lnet.ln_rc_signal); rc = LNetEQAlloc(0, lnet_router_checker_event, &the_lnet.ln_rc_eqh); if (rc) { @@ -1079,7 +1080,7 @@ lnet_router_checker_start(void) rc = PTR_ERR(task); CERROR("Can't start router checker thread: %d\n", rc); /* block until event callback signals exit */ - down(&the_lnet.ln_rc_signal); + wait_for_completion(&the_lnet.ln_rc_signal); rc = LNetEQFree(the_lnet.ln_rc_eqh); LASSERT(!rc); the_lnet.ln_rc_state = LNET_RC_STATE_SHUTDOWN; @@ -1112,7 +1113,7 @@ lnet_router_checker_stop(void) wake_up(&the_lnet.ln_rc_waitq); /* block until event callback signals exit */ - down(&the_lnet.ln_rc_signal); + wait_for_completion(&the_lnet.ln_rc_signal); LASSERT(the_lnet.ln_rc_state == LNET_RC_STATE_SHUTDOWN); rc = LNetEQFree(the_lnet.ln_rc_eqh); @@ -1295,7 +1296,7 @@ rescan: lnet_prune_rc_data(1); /* wait for UNLINK */ the_lnet.ln_rc_state = LNET_RC_STATE_SHUTDOWN; - up(&the_lnet.ln_rc_signal); + complete(&the_lnet.ln_rc_signal); /* The unlink event callback will signal final completion */ return 0; } |