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| author | Olga Kornievskaia <kolga@netapp.com> | 2021-06-23 23:28:51 -0400 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@hammerspace.com> | 2021-07-08 14:03:24 -0400 |
| commit | 85e39feead948bdf8322c961d7a9bebc20d629f3 (patch) | |
| tree | 2b74c6f35769122f29397602b6579a3152688867 /fs/nfs/pagelist.c | |
| parent | 5b7eb78486cd9ac58bfbd6d84ea0fe2d9fead03b (diff) | |
| download | lwn-85e39feead948bdf8322c961d7a9bebc20d629f3.tar.gz lwn-85e39feead948bdf8322c961d7a9bebc20d629f3.zip | |
NFSv4.1 identify and mark RPC tasks that can move between transports
In preparation for when we can re-try a task on a different transport,
identify and mark such RPC tasks as moveable. Only 4.1+ operarations can
be re-tried on a different transport.
Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Diffstat (limited to 'fs/nfs/pagelist.c')
| -rw-r--r-- | fs/nfs/pagelist.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c index cf9cc62ec48e..cc232d1f16f2 100644 --- a/fs/nfs/pagelist.c +++ b/fs/nfs/pagelist.c @@ -954,6 +954,7 @@ static int nfs_generic_pg_pgios(struct nfs_pageio_descriptor *desc) { struct nfs_pgio_header *hdr; int ret; + unsigned short task_flags = 0; hdr = nfs_pgio_header_alloc(desc->pg_rw_ops); if (!hdr) { @@ -962,14 +963,17 @@ static int nfs_generic_pg_pgios(struct nfs_pageio_descriptor *desc) } nfs_pgheader_init(desc, hdr, nfs_pgio_header_free); ret = nfs_generic_pgio(desc, hdr); - if (ret == 0) + if (ret == 0) { + if (NFS_SERVER(hdr->inode)->nfs_client->cl_minorversion) + task_flags = RPC_TASK_MOVEABLE; ret = nfs_initiate_pgio(NFS_CLIENT(hdr->inode), hdr, hdr->cred, NFS_PROTO(hdr->inode), desc->pg_rpc_callops, desc->pg_ioflags, - RPC_TASK_CRED_NOREF); + RPC_TASK_CRED_NOREF | task_flags); + } return ret; } |