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path: root/net/sunrpc/sysfs.h
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2021-07-08SUNRPC: take a xprt offline using sysfsOlga Kornievskaia1-0/+1
Using sysfs's xprt_state attribute, mark a particular transport offline. It will not be picked during the round-robin selection. It's not allowed to take the main (1st created transport associated with the rpc_client) offline. Also bring a transport back online via sysfs by writing "online" and that would allow for this transport to be picked during the round- robin selection. Signed-off-by: Olga Kornievskaia <kolga@netapp.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2021-07-08sunrpc: add add sysfs directory per xprt under each xprt_switchOlga Kornievskaia1-0/+8
Add individual transport directories under each transport switch group. For instance, for each nconnect=X connections there will be a transport directory. Naming conventions also identifies transport type -- xprt-<id>-<type> where type is udp, tcp, rdma, local, bc. Signed-off-by: Olga Kornievskaia <kolga@netapp.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2021-07-08sunrpc: add a symlink from rpc-client directory to the xprt_switchOlga Kornievskaia1-1/+5
An rpc client uses a transport switch and one ore more transports associated with that switch. Since transports are shared among rpc clients, create a symlink into the xprt_switch directory instead of duplicating entries under each rpc client. Signed-off-by: Olga Kornievskaia <kolga@netapp.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2021-07-08sunrpc: add xprt_switch direcotry to sunrpc's sysfsOlga Kornievskaia1-0/+10
Add xprt_switch directory to the sysfs and create individual xprt_swith subdirectories for multipath transport group. Signed-off-by: Olga Kornievskaia <kolga@netapp.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2021-07-08sunrpc: Create per-rpc_clnt sysfs kobjectsOlga Kornievskaia1-0/+8
These will eventually have files placed under them for sysfs operations. Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com> Signed-off-by: Olga Kornievskaia <kolga@netapp.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2021-07-08sunrpc: Create a sunrpc directory under /sys/kernel/Olga Kornievskaia1-0/+11
This is where we'll put per-rpc_client related files Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com> Signed-off-by: Olga Kornievskaia <kolga@netapp.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>