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NFS client updates for Linux 4.13

Browse source 
Stable bugfixes:
 - Fix -EACCESS on commit to DS handling
 - Fix initialization of nfs_page_array->npages
 - Only invalidate dentries that are actually invalid
 
 Features:
 - Enable NFSoRDMA transparent state migration
 - Add support for lookup-by-filehandle
 - Add support for nfs re-exporting
 
 Other bugfixes and cleanups:
 - Christoph cleaned up the way we declare NFS operations
 - Clean up various internal structures
 - Various cleanups to commits
 - Various improvements to error handling
 - Set the dt_type of . and .. entries in NFS v4
 - Make slot allocation more reliable
 - Fix fscache stat printing
 - Fix uninitialized variable warnings
 - Fix potential list overrun in nfs_atomic_open()
 - Fix a race in NFSoRDMA RPC reply handler
 - Fix return size for nfs42_proc_copy()
 - Fix against MAC forgery timing attacks
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Merge tag 'nfs-for-4.13-1' of git://git.linux-nfs.org/projects/anna/linux-nfs

Pull NFS client updates from Anna Schumaker:
 "Stable bugfixes:
   - Fix -EACCESS on commit to DS handling
   - Fix initialization of nfs_page_array->npages
   - Only invalidate dentries that are actually invalid

  Features:
   - Enable NFSoRDMA transparent state migration
   - Add support for lookup-by-filehandle
   - Add support for nfs re-exporting

  Other bugfixes and cleanups:
   - Christoph cleaned up the way we declare NFS operations
   - Clean up various internal structures
   - Various cleanups to commits
   - Various improvements to error handling
   - Set the dt_type of . and .. entries in NFS v4
   - Make slot allocation more reliable
   - Fix fscache stat printing
   - Fix uninitialized variable warnings
   - Fix potential list overrun in nfs_atomic_open()
   - Fix a race in NFSoRDMA RPC reply handler
   - Fix return size for nfs42_proc_copy()
   - Fix against MAC forgery timing attacks"

* tag 'nfs-for-4.13-1' of git://git.linux-nfs.org/projects/anna/linux-nfs: (68 commits)
  NFS: Don't run wake_up_bit() when nobody is waiting...
  nfs: add export operations
  nfs4: add NFSv4 LOOKUPP handlers
  nfs: add a nfs_ilookup helper
  nfs: replace d_add with d_splice_alias in atomic_open
  sunrpc: use constant time memory comparison for mac
  NFSv4.2 fix size storage for nfs42_proc_copy
  xprtrdma: Fix documenting comments in frwr_ops.c
  xprtrdma: Replace PAGE_MASK with offset_in_page()
  xprtrdma: FMR does not need list_del_init()
  xprtrdma: Demote "connect" log messages
  NFSv4.1: Use seqid returned by EXCHANGE_ID after state migration
  NFSv4.1: Handle EXCHGID4_FLAG_CONFIRMED_R during NFSv4.1 migration
  xprtrdma: Don't defer MR recovery if ro_map fails
  xprtrdma: Fix FRWR invalidation error recovery
  xprtrdma: Fix client lock-up after application signal fires
  xprtrdma: Rename rpcrdma_req::rl_free
  xprtrdma: Pass only the list of registered MRs to ro_unmap_sync
  xprtrdma: Pre-mark remotely invalidated MRs
  xprtrdma: On invalidation failure, remove MWs from rl_registered
  ...
This commit is contained in:
Linus Torvalds 2017-07-13 14:35:37 -07:00
commit b86faee6d1
35 changed files with 777 additions and 289 deletions
Download patch file Download diff file Expand all files Collapse all files

1
include/linux/nfs4.h
View file

@ -479,6 +479,7 @@ enum {
NFSPROC4_CLNT_ACCESS,
NFSPROC4_CLNT_GETATTR,
NFSPROC4_CLNT_LOOKUP,
NFSPROC4_CLNT_LOOKUPP,
NFSPROC4_CLNT_LOOKUP_ROOT,
NFSPROC4_CLNT_REMOVE,
NFSPROC4_CLNT_RENAME,

1
include/linux/nfs_fs.h
View file

@ -332,6 +332,7 @@ extern void nfs_zap_caches(struct inode *);
extern void nfs_invalidate_atime(struct inode *);
extern struct inode *nfs_fhget(struct super_block *, struct nfs_fh *,
struct nfs_fattr *, struct nfs4_label *);
struct inode *nfs_ilookup(struct super_block *sb, struct nfs_fattr *, struct nfs_fh *);
extern int nfs_refresh_inode(struct inode *, struct nfs_fattr *);
extern int nfs_post_op_update_inode(struct inode *inode, struct nfs_fattr *fattr);
extern int nfs_post_op_update_inode_force_wcc(struct inode *inode, struct nfs_fattr *fattr);

2
include/linux/nfs_fs_sb.h
View file

@ -42,6 +42,7 @@ struct nfs_client {
#define NFS_CS_MIGRATION 2 /* - transparent state migr */
#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 */
struct sockaddr_storage cl_addr; /* server identifier */
size_t cl_addrlen;
char * cl_hostname; /* hostname of server */
@ -210,6 +211,7 @@ struct nfs_server {
unsigned long mig_status;
#define NFS_MIG_IN_TRANSITION (1)
#define NFS_MIG_FAILED (2)
#define NFS_MIG_TSM_POSSIBLE (3)
void (*destroy)(struct nfs_server *);

4
include/linux/nfs_page.h
View file

@ -33,6 +33,8 @@ enum {
PG_UPTODATE, /* page group sync bit in read path */
PG_WB_END, /* page group sync bit in write path */
PG_REMOVE, /* page group sync bit in write path */
PG_CONTENDED1, /* Is someone waiting for a lock? */
PG_CONTENDED2, /* Is someone waiting for a lock? */
};
struct nfs_inode;
@ -93,8 +95,8 @@ struct nfs_pageio_descriptor {
const struct rpc_call_ops *pg_rpc_callops;
const struct nfs_pgio_completion_ops *pg_completion_ops;
struct pnfs_layout_segment *pg_lseg;
struct nfs_io_completion *pg_io_completion;
struct nfs_direct_req *pg_dreq;
void *pg_layout_private;
unsigned int pg_bsize; /* default bsize for mirrors */
u32 pg_mirror_count;

31
include/linux/nfs_xdr.h
View file

@ -878,7 +878,7 @@ struct nfs3_readdirargs {
struct nfs_fh * fh;
__u64 cookie;
__be32 verf[2];
int plus;
bool plus;
unsigned int count;
struct page ** pages;
};
@ -909,7 +909,7 @@ struct nfs3_linkres {
struct nfs3_readdirres {
struct nfs_fattr * dir_attr;
__be32 * verf;
int plus;
bool plus;
};
struct nfs3_getaclres {
@ -1012,7 +1012,6 @@ struct nfs4_link_res {
struct nfs_fattr * dir_attr;
};
struct nfs4_lookup_arg {
struct nfs4_sequence_args seq_args;
const struct nfs_fh * dir_fh;
@ -1028,6 +1027,20 @@ struct nfs4_lookup_res {
struct nfs4_label *label;
};
struct nfs4_lookupp_arg {
struct nfs4_sequence_args seq_args;
const struct nfs_fh *fh;
const u32 *bitmask;
};
struct nfs4_lookupp_res {
struct nfs4_sequence_res seq_res;
const struct nfs_server *server;
struct nfs_fattr *fattr;
struct nfs_fh *fh;
struct nfs4_label *label;
};
struct nfs4_lookup_root_arg {
struct nfs4_sequence_args seq_args;
const u32 * bitmask;
@ -1053,7 +1066,7 @@ struct nfs4_readdir_arg {
struct page ** pages; /* zero-copy data */
unsigned int pgbase; /* zero-copy data */
const u32 * bitmask;
int plus;
bool plus;
};
struct nfs4_readdir_res {
@ -1422,6 +1435,7 @@ enum {
NFS_IOHDR_STAT,
};
struct nfs_io_completion;
struct nfs_pgio_header {
struct inode *inode;
struct rpc_cred *cred;
@ -1435,8 +1449,8 @@ struct nfs_pgio_header {
void (*release) (struct nfs_pgio_header *hdr);
const struct nfs_pgio_completion_ops *completion_ops;
const struct nfs_rw_ops *rw_ops;
struct nfs_io_completion *io_completion;
struct nfs_direct_req *dreq;
void *layout_private;
spinlock_t lock;
/* fields protected by lock */
int pnfs_error;
@ -1533,6 +1547,7 @@ struct nfs_renamedata {
struct nfs_fattr new_fattr;
void (*complete)(struct rpc_task *, struct nfs_renamedata *);
long timeout;
bool cancelled;
};
struct nfs_access_entry;
@ -1567,6 +1582,8 @@ struct nfs_rpc_ops {
int (*lookup) (struct inode *, const struct qstr *,
struct nfs_fh *, struct nfs_fattr *,
struct nfs4_label *);
int (*lookupp) (struct inode *, struct nfs_fh *,
struct nfs_fattr *, struct nfs4_label *);
int (*access) (struct inode *, struct nfs_access_entry *);
int (*readlink)(struct inode *, struct page *, unsigned int,
unsigned int);
@ -1585,7 +1602,7 @@ struct nfs_rpc_ops {
int (*mkdir) (struct inode *, struct dentry *, struct iattr *);
int (*rmdir) (struct inode *, const struct qstr *);
int (*readdir) (struct dentry *, struct rpc_cred *,
u64, struct page **, unsigned int, int);
u64, struct page **, unsigned int, bool);
int (*mknod) (struct inode *, struct dentry *, struct iattr *,
dev_t);
int (*statfs) (struct nfs_server *, struct nfs_fh *,
@ -1595,7 +1612,7 @@ struct nfs_rpc_ops {
int (*pathconf) (struct nfs_server *, struct nfs_fh *,
struct nfs_pathconf *);
int (*set_capabilities)(struct nfs_server *, struct nfs_fh *);
int (*decode_dirent)(struct xdr_stream *, struct nfs_entry *, int);
int (*decode_dirent)(struct xdr_stream *, struct nfs_entry *, bool);
int (*pgio_rpc_prepare)(struct rpc_task *,
struct nfs_pgio_header *);
void (*read_setup)(struct nfs_pgio_header *, struct rpc_message *);