[GIT PULL] Please pull NFS client bugfixes for 4.18

[Trond Myklebust]

Hi Linus,

The following changes since commit 93b7f7ad2018d2037559b1d0892417864c78b371:

  skip LAYOUTRETURN if layout is invalid (2018-06-12 08:48:04 -0400)

are available in the Git repository at:

  git://git.linux-nfs.org/projects/trondmy/linux-nfs.git tags/nfs-for-4.18-2

for you to fetch changes up to 7b0df92ac12148098391bf53f3494af17812f264:

  pNFS/flexfiles: Process writeback resends from nfsiod context as well (2018-06-19 09:25:27 -0400)

Cheers,
  Trond

----------------------------------------------------------------
NFS client bugfixes for Linux 4.18

Hightlights include:

Bugfixes:
- Fix an rcu deadlock in nfs_delegation_find_inode()
- Fix NFSv4 deadlocks due to not freeing the session slot in layoutget
- Don't send layoutreturn if the layout is already invalid
- Prevent duplicate XID allocation
- flexfiles: Don't tie up all the rpciod threads in resends

----------------------------------------------------------------
Anna Schumaker (1):
      NFS: Fix an rcu deadlock in nfs_delegation_find_inode()

Chuck Lever (1):
      sunrpc: Prevent duplicate XID allocation

Trond Myklebust (4):
      pNFS: Always free the session slot on error in nfs4_layoutget_handle_exception
      pNFS: Don't send layoutreturn if the layout is already invalid
      pNFS/flexfiles: Don't tie up all the rpciod threads in resends
      pNFS/flexfiles: Process writeback resends from nfsiod context as well

 fs/nfs/delegation.c                    |  4 +++-
 fs/nfs/flexfilelayout/flexfilelayout.c | 21 ++++++++++++++++-----
 fs/nfs/nfs4proc.c                      | 33 ++++++++++++++++++++++++++-------
 fs/nfs/pnfs.h                          |  5 +++++
 include/linux/nfs_xdr.h                |  2 ++
 net/sunrpc/xprt.c                      | 10 +++++++---
 6 files changed, 59 insertions(+), 16 deletions(-)
-- 
Trond Myklebust
Linux NFS client maintainer, Hammerspace
trond.myklebust@xxxxxxxxxxxxxxx