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staging: lustre: o2iblnd: Fix FastReg map/unmap for MLX5 

[ Upstream commit 24d4b7c8de ]

The FastReg support in ko2iblnd was not unmapping pool items
causing the items to leak.  In addition, the mapping code
is not growing the pool like we do with FMR.

This patch makes sure we are unmapping FastReg pool elements
when we are done with them.  It also makes sure the pool
will grow when we depleat the pool.

Signed-off-by: Doug Oucharek <doug.s.oucharek@intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-9472
Reviewed-on: https://review.whamcloud.com/27015
Reviewed-by: Andrew Perepechko <andrew.perepechko@seagate.com>
Reviewed-by: Dmitry Eremin <dmitry.eremin@intel.com>
Reviewed-by: James Simmons <uja.ornl@yahoo.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: Doug Oucharek <dougso@me.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
pull/10/head
Doug Oucharek 2018-05-01 23:49:18 -04:00 committed by Greg Kroah-Hartman
parent 52a21fcafa
commit 66eb994267
2 changed files with 5 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c
View File

@ -1710,7 +1710,7 @@ int kiblnd_fmr_pool_map(struct kib_fmr_poolset *fps, struct kib_tx *tx,
return 0;
}
spin_unlock(&fps->fps_lock);
rc = -EBUSY;
rc = -EAGAIN;
}
spin_lock(&fps->fps_lock);

12
drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c
View File

@ -47,7 +47,7 @@ static int kiblnd_init_rdma(struct kib_conn *conn, struct kib_tx *tx, int type,
__u64 dstcookie);
static void kiblnd_queue_tx_locked(struct kib_tx *tx, struct kib_conn *conn);
static void kiblnd_queue_tx(struct kib_tx *tx, struct kib_conn *conn);
static void kiblnd_unmap_tx(struct lnet_ni *ni, struct kib_tx *tx);
static void kiblnd_unmap_tx(struct kib_tx *tx);
static void kiblnd_check_sends_locked(struct kib_conn *conn);
static void
@ -65,7 +65,7 @@ kiblnd_tx_done(struct lnet_ni *ni, struct kib_tx *tx)
LASSERT(!tx->tx_waiting); /* mustn't be awaiting peer response */
LASSERT(tx->tx_pool);
kiblnd_unmap_tx(ni, tx);
kiblnd_unmap_tx(tx);
/* tx may have up to 2 lnet msgs to finalise */
lntmsg[0] = tx->tx_lntmsg[0]; tx->tx_lntmsg[0] = NULL;
@ -590,13 +590,9 @@ kiblnd_fmr_map_tx(struct kib_net *net, struct kib_tx *tx, struct kib_rdma_desc *
return 0;
}
static void kiblnd_unmap_tx(struct lnet_ni *ni, struct kib_tx *tx)
static void kiblnd_unmap_tx(struct kib_tx *tx)
{
struct kib_net *net = ni->ni_data;
LASSERT(net);
if (net->ibn_fmr_ps)
if (tx->fmr.fmr_pfmr || tx->fmr.fmr_frd)
kiblnd_fmr_pool_unmap(&tx->fmr, tx->tx_status);
if (tx->tx_nfrags) {