From: Wang Di <di.wang@xxxxxxxxx> Add LCT_SERVER_SESSION for server session, and separate the server session flag from LCT_SESSION, so to avoid allocating session info for client stack for each server request, if client and server are on the same node. Signed-off-by: Wang Di <di.wang@xxxxxxxxx> Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3806 Reviewed-on: http://review.whamcloud.com/7412 Reviewed-by: John L. Hammond <john.hammond@xxxxxxxxx> Reviewed-by: Mike Pershin <mike.pershin@xxxxxxxxx> Reviewed-by: Oleg Drokin <oleg.drokin@xxxxxxxxx> Signed-off-by: James Simmons <jsimmons@xxxxxxxxxxxxx> --- drivers/staging/lustre/lustre/include/lu_object.h | 4 ++++ drivers/staging/lustre/lustre/include/obd_class.h | 2 +- drivers/staging/lustre/lustre/ptlrpc/service.c | 3 ++- 3 files changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/staging/lustre/lustre/include/lu_object.h b/drivers/staging/lustre/lustre/include/lu_object.h index b5b0c81..a27e76f 100644 --- a/drivers/staging/lustre/lustre/include/lu_object.h +++ b/drivers/staging/lustre/lustre/include/lu_object.h @@ -1006,6 +1006,10 @@ enum lu_context_tag { */ LCT_LOCAL = 1 << 7, /** + * session for server thread + **/ + LCT_SERVER_SESSION = BIT(8), + /** * Set when at least one of keys, having values in this context has * non-NULL lu_context_key::lct_exit() method. This is used to * optimize lu_context_exit() call. diff --git a/drivers/staging/lustre/lustre/include/obd_class.h b/drivers/staging/lustre/lustre/include/obd_class.h index 40f7a23..32863bc 100644 --- a/drivers/staging/lustre/lustre/include/obd_class.h +++ b/drivers/staging/lustre/lustre/include/obd_class.h @@ -477,7 +477,7 @@ static inline int obd_setup(struct obd_device *obd, struct lustre_cfg *cfg) struct lu_context session_ctx; struct lu_env env; - lu_context_init(&session_ctx, LCT_SESSION); + lu_context_init(&session_ctx, LCT_SESSION | LCT_SERVER_SESSION); session_ctx.lc_thread = NULL; lu_context_enter(&session_ctx); diff --git a/drivers/staging/lustre/lustre/ptlrpc/service.c b/drivers/staging/lustre/lustre/ptlrpc/service.c index 1bbd1d3..fc2632f 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/service.c +++ b/drivers/staging/lustre/lustre/ptlrpc/service.c @@ -1649,7 +1649,8 @@ ptlrpc_server_handle_request(struct ptlrpc_service_part *svcpt, at_get(&svcpt->scp_at_estimate)); } - rc = lu_context_init(&request->rq_session, LCT_SESSION | LCT_NOREF); + rc = lu_context_init(&request->rq_session, LCT_SERVER_SESSION | + LCT_NOREF); if (rc) { CERROR("Failure to initialize session: %d\n", rc); goto out_req; -- 1.7.1 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
