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Merge tag 'nfsd-4.15' of git://linux-nfs.org/~bfields/linux

Browse Source 
Pull nfsd updates from Bruce Fields:
 "Lots of good bugfixes, including:

   -  fix a number of races in the NFSv4+ state code

   -  fix some shutdown crashes in multiple-network-namespace cases

   -  relax our 4.1 session limits; if you've an artificially low limit
      to the number of 4.1 clients that can mount simultaneously, try
      upgrading"

* tag 'nfsd-4.15' of git://linux-nfs.org/~bfields/linux: (22 commits)
  SUNRPC: Improve ordering of transport processing
  nfsd: deal with revoked delegations appropriately
  svcrdma: Enqueue after setting XPT_CLOSE in completion handlers
  nfsd: use nfs->ns.inum as net ID
  rpc: remove some BUG()s
  svcrdma: Preserve CB send buffer across retransmits
  nfds: avoid gettimeofday for nfssvc_boot time
  fs, nfsd: convert nfs4_file.fi_ref from atomic_t to refcount_t
  fs, nfsd: convert nfs4_cntl_odstate.co_odcount from atomic_t to refcount_t
  fs, nfsd: convert nfs4_stid.sc_count from atomic_t to refcount_t
  lockd: double unregister of inetaddr notifiers
  nfsd4: catch some false session retries
  nfsd4: fix cached replies to solo SEQUENCE compounds
  sunrcp: make function _svc_create_xprt static
  SUNRPC: Fix tracepoint storage issues with svc_recv and svc_rqst_status
  nfsd: use ARRAY_SIZE
  nfsd: give out fewer session slots as limit approaches
  nfsd: increase DRC cache limit
  nfsd: remove unnecessary nofilehandle checks
  nfs_common: convert int to bool
  ...
This commit is contained in:
Linus Torvalds
2017-11-18 11:22:04 -08:00
parent 07c455ee22 22700f3c6d
commit 4dd3c2e5a4
18 changed files with 225 additions and 173 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
net/sunrpc/xprtrdma/svc_rdma_backchannel.c
View File

@@ -133,6 +133,10 @@ static int svc_rdma_bc_sendto(struct svcxprt_rdma *rdma,
if (ret)
goto out_err;
/* Bump page refcnt so Send completion doesn't release
* the rq_buffer before all retransmits are complete.
*/
get_page(virt_to_page(rqst->rq_buffer));
ret = svc_rdma_post_send_wr(rdma, ctxt, 1, 0);
if (ret)
goto out_unmap;
@@ -165,7 +169,6 @@ xprt_rdma_bc_allocate(struct rpc_task *task)
return -EINVAL;
}
/* svc_rdma_sendto releases this page */
page = alloc_page(RPCRDMA_DEF_GFP);
if (!page)
return -ENOMEM;
@@ -184,6 +187,7 @@ xprt_rdma_bc_free(struct rpc_task *task)
{
struct rpc_rqst *rqst = task->tk_rqstp;
put_page(virt_to_page(rqst->rq_buffer));
kfree(rqst->rq_rbuffer);
}