BMC/Intel-BMC/linux.git/include/linux/nfs_fs_sb.h, branch dev-5.8-intel

NFS: Add mount option 'softreval'

2020-01-15T15:54:33+00:00

Add a mount option 'softreval' that allows attribute revalidation 'getattr' calls to time out, and causes them to fall back to using the cached attributes. The use case for this option is for ensuring that we can still (slowly) traverse paths and use cached information even when the server is down. Once the server comes back up again, the getattr calls start succeeding, and the caches will revalidate as usual. The 'softreval' mount option is automatically enabled if you have specified 'softerr'. It can be turned off using the options 'nosoftreval', or 'hard'. Signed-off-by: Trond Myklebust Signed-off-by: Anna Schumaker

Merge branch 'linux-ssc-for-5.5'

2019-11-06T13:55:23+00:00

NFSv4.1: Don't rebind to the same source port when reconnecting to the server

2019-11-04T02:28:45+00:00

NFSv2, v3 and NFSv4 servers often have duplicate replay caches that look at the source port when deciding whether or not an RPC call is a replay of a previous call. This requires clients to perform strange TCP gymnastics in order to ensure that when they reconnect to the server, they bind to the same source port. NFSv4.1 and NFSv4.2 have sessions that provide proper replay semantics, that do not look at the source port of the connection. This patch therefore ensures they can ignore the rebind requirement. Signed-off-by: Trond Myklebust

NFS/pnfs: Separate NFSv3 DS and MDS traffic

2019-11-04T02:28:45+00:00

If a NFSv3 server is being used as both a DS and as a regular NFSv3 server, we may want to keep the IO traffic on a separate TCP connection, since it will typically have very different timeout characteristics. This patch therefore sets up a flag to separate the two modes of operation for the nfs_client. Signed-off-by: Trond Myklebust

NFS: Add a flag to tell nfs_client to set RPC_CLNT_CREATE_NOPING

2019-11-04T02:28:44+00:00

Add a flag to tell the nfs_client it should set RPC_CLNT_CREATE_NOPING when creating the rpc client. Signed-off-by: Trond Myklebust

NFS: Convert struct nfs_fattr to use struct timespec64

2019-11-04T02:28:44+00:00

NFSv4 supports 64-bit times, so we should switch to using struct timespec64 when decoding attributes. Signed-off-by: Trond Myklebust

NFS: add COPY_NOTIFY operation

2019-10-09T16:05:45+00:00

Try using the delegation stateid, then the open stateid. Only NL4_NETATTR, No support for NL4_NAME and NL4_URL. Allow only one source server address to be returned for now. To distinguish between same server copy offload ("intra") and a copy between different server ("inter"), do a check of server owner identity and also make sure server is capable of doing a copy offload. Signed-off-by: Andy Adamson Signed-off-by: Olga Kornievskaia

NFSv4: Allow multiple connections to NFSv4.x (x>0) servers

2019-07-06T18:54:50+00:00

If the user specifies the -onconn= mount option, and the transport protocol is TCP, then set up connections to the server. The connections will all go to the same IP address. Signed-off-by: Trond Myklebust

NFS: Store the credential of the mount process in the nfs_server

2019-04-26T20:11:54+00:00

Store the credential of the mount process so that we can determine information such as the user namespace. Signed-off-by: Trond Myklebust Signed-off-by: Anna Schumaker

NFS: Add a mount option "softerr" to allow clients to see ETIMEDOUT errors

2019-04-25T18:18:14+00:00

Add a mount option that exposes the ETIMEDOUT errors that occur during soft timeouts to the application. This allows aware applications to distinguish between server disk IO errors and client timeout errors. Signed-off-by: Trond Myklebust Signed-off-by: Anna Schumaker