NFS client updates for Linux 5.5

Highlights include:
 
 Features:
 - NFSv4.2 now supports cross device offloaded copy (i.e. offloaded copy
   of a file from one source server to a different target server).
 - New RDMA tracepoints for debugging congestion control and Local Invalidate
   WRs.
 
 Bugfixes and cleanups
 - Drop the NFSv4.1 session slot if nfs4_delegreturn_prepare waits for
   layoutreturn
 - Handle bad/dead sessions correctly in nfs41_sequence_process()
 - Various bugfixes to the delegation return operation.
 - Various bugfixes pertaining to delegations that have been revoked.
 - Cleanups to the NFS timespec code to avoid unnecessary conversions
   between timespec and timespec64.
 - Fix unstable RDMA connections after a reconnect
 - Close race between waking an RDMA sender and posting a receive
 - Wake pending RDMA tasks if connection fails
 - Fix MR list corruption, and clean up MR usage
 - Fix another RPCSEC_GSS issue with MIC buffer space
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Merge tag 'nfs-for-5.5-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs

Pull NFS client updates from Trond Myklebust:
 "Highlights include:

  Features:

   - NFSv4.2 now supports cross device offloaded copy (i.e. offloaded
     copy of a file from one source server to a different target
     server).

   - New RDMA tracepoints for debugging congestion control and Local
     Invalidate WRs.

  Bugfixes and cleanups

   - Drop the NFSv4.1 session slot if nfs4_delegreturn_prepare waits for
     layoutreturn

   - Handle bad/dead sessions correctly in nfs41_sequence_process()

   - Various bugfixes to the delegation return operation.

   - Various bugfixes pertaining to delegations that have been revoked.

   - Cleanups to the NFS timespec code to avoid unnecessary conversions
     between timespec and timespec64.

   - Fix unstable RDMA connections after a reconnect

   - Close race between waking an RDMA sender and posting a receive

   - Wake pending RDMA tasks if connection fails

   - Fix MR list corruption, and clean up MR usage

   - Fix another RPCSEC_GSS issue with MIC buffer space"

* tag 'nfs-for-5.5-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (79 commits)
  SUNRPC: Capture completion of all RPC tasks
  SUNRPC: Fix another issue with MIC buffer space
  NFS4: Trace lock reclaims
  NFS4: Trace state recovery operation
  NFSv4.2 fix memory leak in nfs42_ssc_open
  NFSv4.2 fix kfree in __nfs42_copy_file_range
  NFS: remove duplicated include from nfs4file.c
  NFSv4: Make _nfs42_proc_copy_notify() static
  NFS: Fallocate should use the nfs4_fattr_bitmap
  NFS: Return -ETXTBSY when attempting to write to a swapfile
  fs: nfs: sysfs: Remove NULL check before kfree
  NFS: remove unneeded semicolon
  NFSv4: add declaration of current_stateid
  NFSv4.x: Drop the slot if nfs4_delegreturn_prepare waits for layoutreturn
  NFSv4.x: Handle bad/dead sessions correctly in nfs41_sequence_process()
  nfsv4: Move NFSPROC4_CLNT_COPY_NOTIFY to end of list
  SUNRPC: Avoid RPC delays when exiting suspend
  NFS: Add a tracepoint in nfs_fh_to_dentry()
  NFSv4: Don't retry the GETATTR on old stateid in nfs4_delegreturn_done()
  NFSv4: Handle NFS4ERR_OLD_STATEID in delegreturn
  ...
This commit is contained in:
Linus Torvalds 2019-12-07 16:50:55 -08:00
commit fb9bf40cf0
49 changed files with 1773 additions and 639 deletions

View file

@ -16,6 +16,7 @@
#include <linux/list.h>
#include <linux/uidgid.h>
#include <uapi/linux/nfs4.h>
#include <linux/sunrpc/msg_prot.h>
enum nfs4_acl_whotype {
NFS4_ACL_WHO_NAMED = 0,
@ -539,6 +540,8 @@ enum {
NFSPROC4_CLNT_LOOKUPP,
NFSPROC4_CLNT_LAYOUTERROR,
NFSPROC4_CLNT_COPY_NOTIFY,
};
/* nfs41 types */
@ -674,4 +677,27 @@ struct nfs4_op_map {
} u;
};
struct nfs42_netaddr {
char netid[RPCBIND_MAXNETIDLEN];
char addr[RPCBIND_MAXUADDRLEN + 1];
u32 netid_len;
u32 addr_len;
};
enum netloc_type4 {
NL4_NAME = 1,
NL4_URL = 2,
NL4_NETADDR = 3,
};
struct nl4_server {
enum netloc_type4 nl4_type;
union {
struct { /* NL4_NAME, NL4_URL */
int nl4_str_sz;
char nl4_str[NFS4_OPAQUE_LIMIT + 1];
};
struct nfs42_netaddr nl4_addr; /* NL4_NETADDR */
} u;
};
#endif

View file

@ -189,13 +189,15 @@ struct nfs_inode {
struct nfs4_copy_state {
struct list_head copies;
struct list_head src_copies;
nfs4_stateid stateid;
struct completion completion;
uint64_t count;
struct nfs_writeverf verf;
int error;
int flags;
struct nfs4_state *parent_state;
struct nfs4_state *parent_src_state;
struct nfs4_state *parent_dst_state;
};
/*

View file

@ -45,6 +45,9 @@ struct nfs_client {
#define NFS_CS_INFINITE_SLOTS 3 /* - don't limit TCP slots */
#define NFS_CS_NO_RETRANS_TIMEOUT 4 /* - Disable retransmit timeouts */
#define NFS_CS_TSM_POSSIBLE 5 /* - Maybe state migration */
#define NFS_CS_NOPING 6 /* - don't ping on connect */
#define NFS_CS_DS 7 /* - Server is a DS */
#define NFS_CS_REUSEPORT 8 /* - reuse src port on reconnect */
struct sockaddr_storage cl_addr; /* server identifier */
size_t cl_addrlen;
char * cl_hostname; /* hostname of server */
@ -171,7 +174,7 @@ struct nfs_server {
struct nfs_fsid fsid;
__u64 maxfilesize; /* maximum file size */
struct timespec time_delta; /* smallest time granularity */
struct timespec64 time_delta; /* smallest time granularity */
unsigned long mount_time; /* when this fs was mounted */
struct super_block *super; /* VFS super block */
dev_t s_dev; /* superblock dev numbers */
@ -276,5 +279,6 @@ struct nfs_server {
#define NFS_CAP_COPY (1U << 24)
#define NFS_CAP_OFFLOAD_CANCEL (1U << 25)
#define NFS_CAP_LAYOUTERROR (1U << 26)
#define NFS_CAP_COPY_NOTIFY (1U << 27)
#endif

View file

@ -62,14 +62,14 @@ struct nfs_fattr {
struct nfs_fsid fsid;
__u64 fileid;
__u64 mounted_on_fileid;
struct timespec atime;
struct timespec mtime;
struct timespec ctime;
struct timespec64 atime;
struct timespec64 mtime;
struct timespec64 ctime;
__u64 change_attr; /* NFSv4 change attribute */
__u64 pre_change_attr;/* pre-op NFSv4 change attribute */
__u64 pre_size; /* pre_op_attr.size */
struct timespec pre_mtime; /* pre_op_attr.mtime */
struct timespec pre_ctime; /* pre_op_attr.ctime */
struct timespec64 pre_mtime; /* pre_op_attr.mtime */
struct timespec64 pre_ctime; /* pre_op_attr.ctime */
unsigned long time_start;
unsigned long gencount;
struct nfs4_string *owner_name;
@ -143,7 +143,7 @@ struct nfs_fsinfo {
__u32 wtmult; /* writes should be multiple of this */
__u32 dtpref; /* pref. readdir transfer size */
__u64 maxfilesize;
struct timespec time_delta; /* server time granularity */
struct timespec64 time_delta; /* server time granularity */
__u32 lease_time; /* in seconds */
__u32 nlayouttypes; /* number of layouttypes */
__u32 layouttype[NFS_MAX_LAYOUT_TYPES]; /* supported pnfs layout driver */
@ -869,7 +869,7 @@ struct nfs3_sattrargs {
struct nfs_fh * fh;
struct iattr * sattr;
unsigned int guard;
struct timespec guardtime;
struct timespec64 guardtime;
};
struct nfs3_diropargs {
@ -1435,6 +1435,7 @@ struct nfs42_copy_args {
u64 count;
bool sync;
struct nl4_server *cp_src;
};
struct nfs42_write_res {
@ -1463,6 +1464,22 @@ struct nfs42_offload_status_res {
int osr_status;
};
struct nfs42_copy_notify_args {
struct nfs4_sequence_args cna_seq_args;
struct nfs_fh *cna_src_fh;
nfs4_stateid cna_src_stateid;
struct nl4_server cna_dst;
};
struct nfs42_copy_notify_res {
struct nfs4_sequence_res cnr_seq_res;
struct nfstime4 cnr_lease_time;
nfs4_stateid cnr_stateid;
struct nl4_server cnr_src;
};
struct nfs42_seek_args {
struct nfs4_sequence_args seq_args;

View file

@ -149,6 +149,7 @@ struct rpc_add_xprt_test {
#define RPC_CLNT_CREATE_NO_IDLE_TIMEOUT (1UL << 8)
#define RPC_CLNT_CREATE_NO_RETRANS_TIMEOUT (1UL << 9)
#define RPC_CLNT_CREATE_SOFTERR (1UL << 10)
#define RPC_CLNT_CREATE_REUSEPORT (1UL << 11)
struct rpc_clnt *rpc_create(struct rpc_create_args *args);
struct rpc_clnt *rpc_bind_new_program(struct rpc_clnt *,

View file

@ -207,7 +207,8 @@ struct rpc_xprt {
unsigned int min_reqs; /* min number of slots */
unsigned int num_reqs; /* total slots */
unsigned long state; /* transport state */
unsigned char resvport : 1; /* use a reserved port */
unsigned char resvport : 1, /* use a reserved port */
reuseport : 1; /* reuse port on reconnect */
atomic_t swapper; /* we're swapping over this
transport */
unsigned int bind_index; /* bind function index */