• Linus Torvalds's avatar
    Merge tag 'nfs-for-3.20-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs · 6f83e5bd
    Linus Torvalds authored
    Pull NFS client updates from Trond Myklebust:
     "Highlights incluse:
    
      Features:
       - Removing the forced serialisation of open()/close() calls in
         NFSv4.x (x>0) makes for a significant performance improvement in
         metadata intensive workloads.
       - Full support for the pNFS "flexible files" layout type
       - Further RPC/RDMA client improvements from Chuck
    
      Bugfixes:
       - Stable fix: NFSv4.1 backchannel calls blocking operations with !TASK_RUNNING
       - Stable fix: pnfs_generic_pg_init_read/write can be called with lseg == NULL
       - Stable fix: Fix an Oopsable condition when nsm_mon_unmon is called
         as part of the namespace cleanup,
       - Stable fix: Ensure we reference the inode for return-on-close in
         delegreturn
       - Use SO_REUSEPORT to ensure that NFSv3 TCP connections can rebind to
         the same source address/port combination during a disconnect/
         reconnect event.  This is a requirement imposed by most NFSv3
         server duplicate reply cache implementations.
    
      Optimisations:
       - Ask for no NFSv4.1 delegations on OPEN if using O_DIRECT
    
      Other:
       - Add Anna Schumaker as co-maintainer for the NFS client"
    
    * tag 'nfs-for-3.20-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (119 commits)
      SUNRPC: Cleanup to remove xs_tcp_close()
      pnfs: delete an unintended goto
      pnfs/flexfiles: Do not dprintk after the free
      SUNRPC: Fix stupid typo in xs_sock_set_reuseport
      SUNRPC: Define xs_tcp_fin_timeout only if CONFIG_SUNRPC_DEBUG
      SUNRPC: Handle connection reset more efficiently.
      SUNRPC: Remove the redundant XPRT_CONNECTION_CLOSE flag
      SUNRPC: Make xs_tcp_close() do a socket shutdown rather than a sock_release
      SUNRPC: Ensure xs_tcp_shutdown() requests a full close of the connection
      SUNRPC: Cleanup to remove remaining uses of XPRT_CONNECTION_ABORT
      SUNRPC: Remove TCP socket linger code
      SUNRPC: Remove TCP client connection reset hack
      SUNRPC: TCP/UDP always close the old socket before reconnecting
      SUNRPC: Add helpers to prevent socket create from racing
      SUNRPC: Ensure xs_reset_transport() resets the close connection flags
      SUNRPC: Do not clear the source port in xs_reset_transport
      SUNRPC: Handle EADDRINUSE on connect
      SUNRPC: Set SO_REUSEPORT socket option for TCP connections
      NFSv4.1: Fix pnfs_put_lseg races
      NFSv4.1: pnfs_send_layoutreturn should use GFP_NOFS
      ...
    6f83e5bd
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