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| author |   Jason Gunthorpe <jgg@mellanox.com> | 2018-08-16 13:08:18 -0600 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2018-08-16 13:12:00 -0600 |
| commit | 89982f7ccee2fcd8fea7936b81eec6defbf0f131 (patch) | |
| tree | fc553c8d008d24595ad7de0ea0f3b56f656da27c /net/smc/smc_tx.c | |
| parent | RDMA/hns: Fix usage of bitmap allocation functions return values (diff) | |
| parent | Linux 4.18 (diff) | |
| download | linux-dev-89982f7ccee2fcd8fea7936b81eec6defbf0f131.tar.xz linux-dev-89982f7ccee2fcd8fea7936b81eec6defbf0f131.zip | |
Merge tag 'v4.18' into rdma.git for-next
Resolve merge conflicts from the -rc cycle against the rdma.git tree:
Conflicts:
drivers/infiniband/core/uverbs_cmd.c
- New ifs added to ib_uverbs_ex_create_flow in -rc and for-next
- Merge removal of file->ucontext in for-next with new code in -rc
drivers/infiniband/core/uverbs_main.c
- for-next removed code from ib_uverbs_write() that was modified
in for-rc
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'net/smc/smc_tx.c')
| -rw-r--r-- | net/smc/smc_tx.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/net/smc/smc_tx.c b/net/smc/smc_tx.c index a171c168f98e..72e1a2782fe8 100644 --- a/net/smc/smc_tx.c +++ b/net/smc/smc_tx.c @@ -494,7 +494,8 @@ out: void smc_tx_consumer_update(struct smc_connection *conn, bool force) { - union smc_host_cursor cfed, cons; + union smc_host_cursor cfed, cons, prod; + int sender_free = conn->rmb_desc->len; int to_confirm; smc_curs_write(&cons, @@ -504,11 +505,18 @@ void smc_tx_consumer_update(struct smc_connection *conn, bool force) smc_curs_read(&conn->rx_curs_confirmed, conn), conn); to_confirm = smc_curs_diff(conn->rmb_desc->len, &cfed, &cons); + if (to_confirm > conn->rmbe_update_limit) { + smc_curs_write(&prod, + smc_curs_read(&conn->local_rx_ctrl.prod, conn), + conn); + sender_free = conn->rmb_desc->len - + smc_curs_diff(conn->rmb_desc->len, &prod, &cfed); + } if (conn->local_rx_ctrl.prod_flags.cons_curs_upd_req || force || ((to_confirm > conn->rmbe_update_limit) && - ((to_confirm > (conn->rmb_desc->len / 2)) || + ((sender_free <= (conn->rmb_desc->len / 2)) || conn->local_rx_ctrl.prod_flags.write_blocked))) { if ((smc_cdc_get_slot_and_msg_send(conn) < 0) && conn->alert_token_local) { /* connection healthy */ |