xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Garpu 0
Kode Masalah Tarik Permintaan Actions Packages Projects Rilis Wiki Kegiatan

xprtrdma: Release orphaned MRs immediately

Telusuri Sumber 
Instead of leaving orphaned MRs to be released when the transport
is destroyed, release them immediately. The MR free list can now be
replenished if it becomes exhausted.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Tested-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Chuck Lever
2016-06-29 13:54:08 -04:00
committed by Anna Schumaker
orang tua e2ac236c0b
melakukan 2ffc871a57
2 mengubah file dengan 26 tambahan dan 12 penghapusan
Download Patch File Download Diff File Expand all files Collapse all files

19
net/sunrpc/xprtrdma/frwr_ops.c
Melihat File

@@ -177,15 +177,22 @@ frwr_op_recover_mr(struct rpcrdma_mw *mw)
rc = __frwr_reset_mr(ia, mw);
ib_dma_unmap_sg(ia->ri_device, mw->mw_sg, mw->mw_nents, mw->mw_dir);
if (rc) {
pr_err("rpcrdma: FRMR reset status %d, %p orphaned\n",
rc, mw);
r_xprt->rx_stats.mrs_orphaned++;
return;
}
if (rc)
goto out_release;
rpcrdma_put_mw(r_xprt, mw);
r_xprt->rx_stats.mrs_recovered++;
return;
out_release:
pr_err("rpcrdma: FRMR reset failed %d, %p release\n", rc, mw);
r_xprt->rx_stats.mrs_orphaned++;
spin_lock(&r_xprt->rx_buf.rb_mwlock);
list_del(&mw->mw_all);
spin_unlock(&r_xprt->rx_buf.rb_mwlock);
frwr_op_release_mr(mw);
}
static int