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Another RDMA update from Chuck Lever, and a bunch of miscellaneous

Browse source 
bugfixes.
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Merge tag 'nfsd-4.12' of git://linux-nfs.org/~bfields/linux

Pull nfsd updates from Bruce Fields:
 "Another RDMA update from Chuck Lever, and a bunch of miscellaneous
  bugfixes"

* tag 'nfsd-4.12' of git://linux-nfs.org/~bfields/linux: (26 commits)
  nfsd: Fix up the "supattr_exclcreat" attributes
  nfsd: encoders mustn't use unitialized values in error cases
  nfsd: fix undefined behavior in nfsd4_layout_verify
  lockd: fix lockd shutdown race
  NFSv4: Fix callback server shutdown
  SUNRPC: Refactor svc_set_num_threads()
  NFSv4.x/callback: Create the callback service through svc_create_pooled
  lockd: remove redundant check on block
  svcrdma: Clean out old XDR encoders
  svcrdma: Remove the req_map cache
  svcrdma: Remove unused RDMA Write completion handler
  svcrdma: Reduce size of sge array in struct svc_rdma_op_ctxt
  svcrdma: Clean up RPC-over-RDMA backchannel reply processing
  svcrdma: Report Write/Reply chunk overruns
  svcrdma: Clean up RDMA_ERROR path
  svcrdma: Use rdma_rw API in RPC reply path
  svcrdma: Introduce local rdma_rw API helpers
  svcrdma: Clean up svc_rdma_get_inv_rkey()
  svcrdma: Add helper to save pages under I/O
  svcrdma: Eliminate RPCRDMA_SQ_DEPTH_MULT
  ...
This commit is contained in:
Linus Torvalds 2017-05-10 13:29:23 -07:00
commit c70422f760
23 changed files with 1334 additions and 903 deletions
Download patch file Download diff file Expand all files Collapse all files

26
fs/nfs/callback.c
View file

@ -76,7 +76,10 @@ nfs4_callback_svc(void *vrqstp)
set_freezable();
while (!kthread_should_stop()) {
while (!kthread_freezable_should_stop(NULL)) {
if (signal_pending(current))
flush_signals(current);
/*
* Listen for a request on the socket
*/
@ -85,6 +88,8 @@ nfs4_callback_svc(void *vrqstp)
continue;
svc_process(rqstp);
}
svc_exit_thread(rqstp);
module_put_and_exit(0);
return 0;
}
@ -103,9 +108,10 @@ nfs41_callback_svc(void *vrqstp)
set_freezable();
while (!kthread_should_stop()) {
if (try_to_freeze())
continue;
while (!kthread_freezable_should_stop(NULL)) {
if (signal_pending(current))
flush_signals(current);
prepare_to_wait(&serv->sv_cb_waitq, &wq, TASK_INTERRUPTIBLE);
spin_lock_bh(&serv->sv_cb_lock);
@ -121,11 +127,13 @@ nfs41_callback_svc(void *vrqstp)
error);
} else {
spin_unlock_bh(&serv->sv_cb_lock);
schedule();
if (!kthread_should_stop())
schedule();
finish_wait(&serv->sv_cb_waitq, &wq);
}
flush_signals(current);
}
svc_exit_thread(rqstp);
module_put_and_exit(0);
return 0;
}
@ -221,14 +229,14 @@ err_bind:
static struct svc_serv_ops nfs40_cb_sv_ops = {
.svo_function = nfs4_callback_svc,
.svo_enqueue_xprt = svc_xprt_do_enqueue,
.svo_setup = svc_set_num_threads,
.svo_setup = svc_set_num_threads_sync,
.svo_module = THIS_MODULE,
};
#if defined(CONFIG_NFS_V4_1)
static struct svc_serv_ops nfs41_cb_sv_ops = {
.svo_function = nfs41_callback_svc,
.svo_enqueue_xprt = svc_xprt_do_enqueue,
.svo_setup = svc_set_num_threads,
.svo_setup = svc_set_num_threads_sync,
.svo_module = THIS_MODULE,
};
@ -280,7 +288,7 @@ static struct svc_serv *nfs_callback_create_svc(int minorversion)
printk(KERN_WARNING "nfs_callback_create_svc: no kthread, %d users??\n",
cb_info->users);
serv = svc_create(&nfs4_callback_program, NFS4_CALLBACK_BUFSIZE, sv_ops);
serv = svc_create_pooled(&nfs4_callback_program, NFS4_CALLBACK_BUFSIZE, sv_ops);
if (!serv) {
printk(KERN_ERR "nfs_callback_create_svc: create service failed\n");
return ERR_PTR(-ENOMEM);