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NFS client updates for Linux 4.15

Browse source 
Stable bugfixes:
 - Revalidate "." and ".." correctly on open
 - Avoid RCU usage in tracepoints
 - Fix ugly referral attributes
 - Fix a typo in nomigration mount option
 - Revert "NFS: Move the flock open mode check into nfs_flock()"
 
 Features:
 - Implement a stronger send queue accounting system for NFS over RDMA
 - Switch some atomics to the new refcount_t type
 
 Other bugfixes and cleanups:
 - Clean up access mode bits
 - Remove special-case revalidations in nfs_opendir()
 - Improve invalidating NFS over RDMA memory for async operations that time out
 - Handle NFS over RDMA replies with a worqueue
 - Handle NFS over RDMA sends with a workqueue
 - Fix up replaying interrupted requests
 - Remove dead NFS over RDMA definitions
 - Update NFS over RDMA copyright information
 - Be more consistent with bool initialization and comparisons
 - Mark expected switch fall throughs
 - Various sunrpc tracepoint cleanups
 - Fix various OPEN races
 - Fix a typo in nfs_rename()
 - Use common error handling code in nfs_lock_and_join_request()
 - Check that some structures are properly cleaned up during net_exit()
 - Remove net pointer from dprintk()s
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Merge tag 'nfs-for-4.15-1' of git://git.linux-nfs.org/projects/anna/linux-nfs

Pull NFS client updates from Anna Schumaker:
 "Stable bugfixes:
   - Revalidate "." and ".." correctly on open
   - Avoid RCU usage in tracepoints
   - Fix ugly referral attributes
   - Fix a typo in nomigration mount option
   - Revert "NFS: Move the flock open mode check into nfs_flock()"

  Features:
   - Implement a stronger send queue accounting system for NFS over RDMA
   - Switch some atomics to the new refcount_t type

  Other bugfixes and cleanups:
   - Clean up access mode bits
   - Remove special-case revalidations in nfs_opendir()
   - Improve invalidating NFS over RDMA memory for async operations that
     time out
   - Handle NFS over RDMA replies with a worqueue
   - Handle NFS over RDMA sends with a workqueue
   - Fix up replaying interrupted requests
   - Remove dead NFS over RDMA definitions
   - Update NFS over RDMA copyright information
   - Be more consistent with bool initialization and comparisons
   - Mark expected switch fall throughs
   - Various sunrpc tracepoint cleanups
   - Fix various OPEN races
   - Fix a typo in nfs_rename()
   - Use common error handling code in nfs_lock_and_join_request()
   - Check that some structures are properly cleaned up during
     net_exit()
   - Remove net pointer from dprintk()s"

* tag 'nfs-for-4.15-1' of git://git.linux-nfs.org/projects/anna/linux-nfs: (62 commits)
  NFS: Revert "NFS: Move the flock open mode check into nfs_flock()"
  NFS: Fix typo in nomigration mount option
  nfs: Fix ugly referral attributes
  NFS: super: mark expected switch fall-throughs
  sunrpc: remove net pointer from messages
  nfs: remove net pointer from messages
  sunrpc: exit_net cleanup check added
  nfs client: exit_net cleanup check added
  nfs/write: Use common error handling code in nfs_lock_and_join_requests()
  NFSv4: Replace closed stateids with the "invalid special stateid"
  NFSv4: nfs_set_open_stateid must not trigger state recovery for closed state
  NFSv4: Check the open stateid when searching for expired state
  NFSv4: Clean up nfs4_delegreturn_done
  NFSv4: cleanup nfs4_close_done
  NFSv4: Retry NFS4ERR_OLD_STATEID errors in layoutreturn
  pNFS: Retry NFS4ERR_OLD_STATEID errors in layoutreturn-on-close
  NFSv4: Don't try to CLOSE if the stateid 'other' field has changed
  NFSv4: Retry CLOSE and DELEGRETURN on NFS4ERR_OLD_STATEID.
  NFS: Fix a typo in nfs_rename()
  NFSv4: Fix open create exclusive when the server reboots
  ...
This commit is contained in:
Linus Torvalds 2017-11-17 14:18:00 -08:00
commit c3e9c04b89
43 changed files with 1194 additions and 719 deletions
Download patch file Download diff file Expand all files Collapse all files

13
include/linux/nfs_fs.h
View file

@ -23,6 +23,7 @@
#include <linux/mm.h>
#include <linux/pagemap.h>
#include <linux/rbtree.h>
#include <linux/refcount.h>
#include <linux/rwsem.h>
#include <linux/wait.h>
@ -56,7 +57,7 @@ struct nfs_access_entry {
};
struct nfs_lock_context {
atomic_t count;
refcount_t count;
struct list_head list;
struct nfs_open_context *open_context;
fl_owner_t lockowner;
@ -184,6 +185,16 @@ struct nfs_inode {
struct inode vfs_inode;
};
/*
* Access bit flags
*/
#define NFS_ACCESS_READ 0x0001
#define NFS_ACCESS_LOOKUP 0x0002
#define NFS_ACCESS_MODIFY 0x0004
#define NFS_ACCESS_EXTEND 0x0008
#define NFS_ACCESS_DELETE 0x0010
#define NFS_ACCESS_EXECUTE 0x0020
/*
* Cache validity bit flags
*/