From: James Simmons <jsimmons@infradead.org>
To: lustre-devel@lists.lustre.org
Subject: [lustre-devel] [PATCH 39/45] lnet: simplify ksock_tx.
Date: Mon, 25 May 2020 18:08:16 -0400 [thread overview]
Message-ID: <1590444502-20533-40-git-send-email-jsimmons@infradead.org> (raw)
In-Reply-To: <1590444502-20533-1-git-send-email-jsimmons@infradead.org>
From: Mr NeilBrown <neilb@suse.de>
The tx_frags union in 'struct ksock_tx' is largely unnecessary. The
payload is always lnet_kiov_t, the only kvec is a header. So replace
the union with just those two fields.
WC-bug-id: https://jira.whamcloud.com/browse/LU-13004
Lustre-commit: 28ffde29603b1 ("LU-13004 lnet: simplify ksock_tx.")
Signed-off-by: Mr NeilBrown <neilb@suse.de>
Reviewed-on: https://review.whamcloud.com/37850
Reviewed-by: James Simmons <jsimmons@infradead.org>
Reviewed-by: Shaun Tancheff <shaun.tancheff@hpe.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
---
net/lnet/klnds/socklnd/socklnd.h | 13 +++----------
net/lnet/klnds/socklnd/socklnd_cb.c | 8 ++++----
2 files changed, 7 insertions(+), 14 deletions(-)
diff --git a/net/lnet/klnds/socklnd/socklnd.h b/net/lnet/klnds/socklnd/socklnd.h
index 2504e52..f85eb3c 100644
--- a/net/lnet/klnds/socklnd/socklnd.h
+++ b/net/lnet/klnds/socklnd/socklnd.h
@@ -291,18 +291,11 @@ struct ksock_tx { /* transmit packet */
struct ksock_msg tx_msg; /* socklnd message buffer */
int tx_desc_size; /* size of this descriptor */
enum lnet_msg_hstatus tx_hstatus; /* health status of tx */
- union {
- struct {
- struct kvec iov; /* virt hdr */
- struct bio_vec kiov[0];/* paged payload */
- } paged;
- struct {
- struct kvec iov[1]; /* virt hdr + payload */
- } virt;
- } tx_frags;
+ struct kvec tx_hdr; /* virt hdr */
+ struct bio_vec tx_payload[0]; /* paged payload */
};
-#define KSOCK_NOOP_TX_SIZE (offsetof(struct ksock_tx, tx_frags.paged.kiov[0]))
+#define KSOCK_NOOP_TX_SIZE (offsetof(struct ksock_tx, tx_payload[0]))
/* network zero copy callback descriptor embedded in struct ksock_tx */
diff --git a/net/lnet/klnds/socklnd/socklnd_cb.c b/net/lnet/klnds/socklnd/socklnd_cb.c
index 83fcb28..b40fbf1 100644
--- a/net/lnet/klnds/socklnd/socklnd_cb.c
+++ b/net/lnet/klnds/socklnd/socklnd_cb.c
@@ -79,7 +79,7 @@ struct ksock_tx *
tx->tx_lnetmsg = NULL;
tx->tx_kiov = NULL;
tx->tx_nkiov = 0;
- tx->tx_iov = tx->tx_frags.virt.iov;
+ tx->tx_iov = &tx->tx_hdr;
tx->tx_niov = 1;
tx->tx_nonblk = nonblk;
@@ -933,7 +933,7 @@ struct ksock_route *
LASSERT(!in_interrupt());
desc_size = offsetof(struct ksock_tx,
- tx_frags.paged.kiov[payload_niov]);
+ tx_payload[payload_niov]);
if (lntmsg->msg_vmflush)
mpflag = memalloc_noreclaim_save();
@@ -950,8 +950,8 @@ struct ksock_route *
tx->tx_lnetmsg = lntmsg;
tx->tx_niov = 1;
- tx->tx_iov = &tx->tx_frags.paged.iov;
- tx->tx_kiov = tx->tx_frags.paged.kiov;
+ tx->tx_iov = &tx->tx_hdr;
+ tx->tx_kiov = tx->tx_payload;
tx->tx_nkiov = lnet_extract_kiov(payload_niov, tx->tx_kiov,
payload_niov, payload_kiov,
payload_offset, payload_nob);
--
1.8.3.1
next prev parent reply other threads:[~2020-05-25 22:08 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-25 22:07 [lustre-devel] [PATCH 00/45] lustre: merged OpenSFS client patches from April 30 to today James Simmons
2020-05-25 22:07 ` [lustre-devel] [PATCH 01/45] lustre: fid: revert seq_client_rpc patch James Simmons
2020-05-25 22:07 ` [lustre-devel] [PATCH 02/45] lustre: fld: convert cache_flush file to LPROC_SEQ_FOPS James Simmons
2020-05-25 22:07 ` [lustre-devel] [PATCH 03/45] lustre: cleanups and bug fixes James Simmons
2020-05-25 22:07 ` [lustre-devel] [PATCH 04/45] lnet: merge lnet_md_alloc into lnet_md_build James Simmons
2020-05-25 22:07 ` [lustre-devel] [PATCH 05/45] lnet: always put a page list into struct lnet_libmd James Simmons
2020-05-25 22:07 ` [lustre-devel] [PATCH 06/45] lnet: discard kvec option from lnet_libmd James Simmons
2020-05-25 22:07 ` [lustre-devel] [PATCH 07/45] lnet: remove msg_iov from lnet_msg James Simmons
2020-05-25 22:07 ` [lustre-devel] [PATCH 08/45] lnet: o2iblnd: discard kiblnd_setup_rd_iov James Simmons
2020-05-25 22:07 ` [lustre-devel] [PATCH 09/45] lustre: ptlrpc: return proper write count from ping_store James Simmons
2020-05-25 22:07 ` [lustre-devel] [PATCH 10/45] lustre: sec: check permissions for changelogs access James Simmons
2020-05-25 22:07 ` [lustre-devel] [PATCH 11/45] lustre: uapi: add OBD_CONNECT2_FIDMAP James Simmons
2020-05-25 22:07 ` [lustre-devel] [PATCH 12/45] lustre: lov: lov_io_sub_init()) ASSERTION James Simmons
2020-05-25 22:07 ` [lustre-devel] [PATCH 13/45] lnet: Introduce constant for the lolnd NID James Simmons
2020-05-25 22:07 ` [lustre-devel] [PATCH 14/45] lustre: Remove inappropriate uses of BIT() macro James Simmons
2020-05-25 22:07 ` [lustre-devel] [PATCH 15/45] lustre: mgc: protect from NULL exp in mgc_enqueue() James Simmons
2020-05-25 22:07 ` [lustre-devel] [PATCH 16/45] lustre: llite: do not flush COW pages from mapping James Simmons
2020-05-25 22:07 ` [lustre-devel] [PATCH 17/45] lustre: quota: quota pools for OSTs James Simmons
2020-05-25 22:07 ` [lustre-devel] [PATCH 18/45] lnet: libcfs: use BIT() macro where appropriate James Simmons
2020-05-25 22:07 ` [lustre-devel] [PATCH 19/45] lustre: llite: clean up pcc_layout_wait() James Simmons
2020-05-25 22:07 ` [lustre-devel] [PATCH 20/45] lustre: misc: declare static chars as const where possible James Simmons
2020-05-25 22:07 ` [lustre-devel] [PATCH 21/45] lustre: llite: fix to make jobstats work for async ra James Simmons
2020-05-25 22:07 ` [lustre-devel] [PATCH 22/45] lustre: llite: verify truncated xattr is handled James Simmons
2020-05-25 22:08 ` [lustre-devel] [PATCH 23/45] lustre: obd: fix printing of client connection UUID James Simmons
2020-05-25 22:08 ` [lustre-devel] [PATCH 24/45] lnet: Add MD options for response tracking James Simmons
2020-05-25 22:08 ` [lustre-devel] [PATCH 25/45] lustre: Send file creation time to clients James Simmons
2020-05-25 22:08 ` [lustre-devel] [PATCH 26/45] lnet: stop using struct timeval James Simmons
2020-05-25 22:08 ` [lustre-devel] [PATCH 27/45] lustre: ptlrpc: connect to MDT stucks James Simmons
2020-05-25 22:08 ` [lustre-devel] [PATCH 28/45] lnet: restrict gateway selection James Simmons
2020-05-25 22:08 ` [lustre-devel] [PATCH 29/45] lustre: llite: restore ll_dcompare() James Simmons
2020-05-25 22:08 ` [lustre-devel] [PATCH 30/45] lustre: fallocate: Implement fallocate preallocate operation James Simmons
2020-05-25 22:08 ` [lustre-devel] [PATCH 31/45] lustre: llite: fix possible divide zero in ll_use_fast_io() James Simmons
2020-05-25 22:08 ` [lustre-devel] [PATCH 32/45] lustre: llog: allow delete of zero size llog James Simmons
2020-05-25 22:08 ` [lustre-devel] [PATCH 33/45] lustre: ldlm: use proper units for timeouts James Simmons
2020-05-25 22:08 ` [lustre-devel] [PATCH 34/45] lustre: dne: support directory restripe James Simmons
2020-05-25 22:08 ` [lustre-devel] [PATCH 35/45] lustre: osc: Do not wait for grants for too long James Simmons
2020-05-25 22:08 ` [lustre-devel] [PATCH 36/45] lnet: use kmem_cache_zalloc as appropriate James Simmons
2020-05-25 22:08 ` [lustre-devel] [PATCH 37/45] lustre: osc: Ensure immediate departure of sync write pages James Simmons
2020-05-25 22:08 ` [lustre-devel] [PATCH 38/45] lnet: remove lnet_extract_iov() James Simmons
2020-05-25 22:08 ` James Simmons [this message]
2020-05-25 22:08 ` [lustre-devel] [PATCH 40/45] lnet: socklnd: discard tx_iov James Simmons
2020-05-25 22:08 ` [lustre-devel] [PATCH 41/45] lustre: lmv: do not print MDTs that are inactive James Simmons
2020-05-25 22:08 ` [lustre-devel] [PATCH 42/45] lnet: use the same src nid for discovery James Simmons
2020-05-25 22:08 ` [lustre-devel] [PATCH 43/45] lustre: llite: check if page truncated in ll_write_begin() James Simmons
2020-05-25 22:08 ` [lustre-devel] [PATCH 44/45] lustre: dne: improve temp file name check James Simmons
2020-05-25 22:08 ` [lustre-devel] [PATCH 45/45] lustre: all: Cleanup LASSERTF uses missing newlines James Simmons
2020-05-29 6:29 ` [lustre-devel] [PATCH 00/45] lustre: merged OpenSFS client patches from April 30 to today NeilBrown
2020-06-01 22:52 ` James Simmons
2020-06-23 4:10 ` NeilBrown
2020-06-23 7:57 ` Degremont, Aurelien
2020-06-24 0:52 ` NeilBrown
2020-07-03 6:37 ` NeilBrown
2020-06-24 14:34 ` James Simmons
2020-06-25 1:46 ` NeilBrown
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