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Merge tag 'nfs-for-3.17-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs

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

   - stable fix for a bug in nfs3_list_one_acl()
   - speed up NFS path walks by supporting LOOKUP_RCU
   - more read/write code cleanups
   - pNFS fixes for layout return on close
   - fixes for the RCU handling in the rpcsec_gss code
   - more NFS/RDMA fixes"

* tag 'nfs-for-3.17-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (79 commits)
  nfs: reject changes to resvport and sharecache during remount
  NFS: Avoid infinite loop when RELEASE_LOCKOWNER getting expired error
  SUNRPC: remove all refcounting of groupinfo from rpcauth_lookupcred
  NFS: fix two problems in lookup_revalidate in RCU-walk
  NFS: allow lockless access to access_cache
  NFS: teach nfs_lookup_verify_inode to handle LOOKUP_RCU
  NFS: teach nfs_neg_need_reval to understand LOOKUP_RCU
  NFS: support RCU_WALK in nfs_permission()
  sunrpc/auth: allow lockless (rcu) lookup of credential cache.
  NFS: prepare for RCU-walk support but pushing tests later in code.
  NFS: nfs4_lookup_revalidate: only evaluate parent if it will be used.
  NFS: add checks for returned value of try_module_get()
  nfs: clear_request_commit while holding i_lock
  pnfs: add pnfs_put_lseg_async
  pnfs: find swapped pages on pnfs commit lists too
  nfs: fix comment and add warn_on for PG_INODE_REF
  nfs: check wait_on_bit_lock err in page_group_lock
  sunrpc: remove "ec" argument from encrypt_v2 operation
  sunrpc: clean up sparse endianness warnings in gss_krb5_wrap.c
  sunrpc: clean up sparse endianness warnings in gss_krb5_seal.c
  ...
This commit is contained in:
Linus Torvalds
2014-08-13 18:13:19 -06:00
parent dc1cc85133 71a6ec8ac5
commit 06b8ab5528
54 changed files with 1968 additions and 1289 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
include/linux/nfs_fs.h
View File

@@ -52,6 +52,7 @@ struct nfs_access_entry {
unsigned long jiffies;
struct rpc_cred * cred;
int mask;
struct rcu_head rcu_head;
};
struct nfs_lockowner {
@@ -352,6 +353,7 @@ extern int nfs_release(struct inode *, struct file *);
extern int nfs_attribute_timeout(struct inode *inode);
extern int nfs_attribute_cache_expired(struct inode *inode);
extern int nfs_revalidate_inode(struct nfs_server *server, struct inode *inode);
extern int nfs_revalidate_inode_rcu(struct nfs_server *server, struct inode *inode);
extern int __nfs_revalidate_inode(struct nfs_server *, struct inode *);
extern int nfs_revalidate_mapping(struct inode *inode, struct address_space *mapping);
extern int nfs_setattr(struct dentry *, struct iattr *);

1
include/linux/nfs_fs_sb.h
View File

@@ -45,6 +45,7 @@ struct nfs_client {
struct sockaddr_storage cl_addr; /* server identifier */
size_t cl_addrlen;
char * cl_hostname; /* hostname of server */
char * cl_acceptor; /* GSSAPI acceptor name */
struct list_head cl_share_link; /* link in global client list */
struct list_head cl_superblocks; /* List of nfs_server structs */

19
include/linux/nfs_page.h
View File

@@ -26,7 +26,7 @@ enum {
PG_MAPPED, /* page private set for buffered io */
PG_CLEAN, /* write succeeded */
PG_COMMIT_TO_DS, /* used by pnfs layouts */
PG_INODE_REF, /* extra ref held by inode (head req only) */
PG_INODE_REF, /* extra ref held by inode when in writeback */
PG_HEADLOCK, /* page group lock of wb_head */
PG_TEARDOWN, /* page group sync for destroy */
PG_UNLOCKPAGE, /* page group sync bit in read path */
@@ -62,12 +62,13 @@ struct nfs_pageio_ops {
struct nfs_rw_ops {
const fmode_t rw_mode;
struct nfs_rw_header *(*rw_alloc_header)(void);
void (*rw_free_header)(struct nfs_rw_header *);
void (*rw_release)(struct nfs_pgio_data *);
int (*rw_done)(struct rpc_task *, struct nfs_pgio_data *, struct inode *);
void (*rw_result)(struct rpc_task *, struct nfs_pgio_data *);
void (*rw_initiate)(struct nfs_pgio_data *, struct rpc_message *,
struct nfs_pgio_header *(*rw_alloc_header)(void);
void (*rw_free_header)(struct nfs_pgio_header *);
void (*rw_release)(struct nfs_pgio_header *);
int (*rw_done)(struct rpc_task *, struct nfs_pgio_header *,
struct inode *);
void (*rw_result)(struct rpc_task *, struct nfs_pgio_header *);
void (*rw_initiate)(struct nfs_pgio_header *, struct rpc_message *,
struct rpc_task_setup *, int);
};
@@ -111,6 +112,8 @@ extern void nfs_pageio_init(struct nfs_pageio_descriptor *desc,
int how);
extern int nfs_pageio_add_request(struct nfs_pageio_descriptor *,
struct nfs_page *);
extern int nfs_pageio_resend(struct nfs_pageio_descriptor *,
struct nfs_pgio_header *);
extern void nfs_pageio_complete(struct nfs_pageio_descriptor *desc);
extern void nfs_pageio_cond_complete(struct nfs_pageio_descriptor *, pgoff_t);
extern size_t nfs_generic_pg_test(struct nfs_pageio_descriptor *desc,
@@ -119,7 +122,7 @@ extern size_t nfs_generic_pg_test(struct nfs_pageio_descriptor *desc,
extern int nfs_wait_on_request(struct nfs_page *);
extern void nfs_unlock_request(struct nfs_page *req);
extern void nfs_unlock_and_release_request(struct nfs_page *);
extern void nfs_page_group_lock(struct nfs_page *);
extern int nfs_page_group_lock(struct nfs_page *, bool);
extern void nfs_page_group_unlock(struct nfs_page *);
extern bool nfs_page_group_sync_on_bit(struct nfs_page *, unsigned int);

34
include/linux/nfs_xdr.h
View File

@@ -993,6 +993,7 @@ struct nfs4_setclientid {
unsigned int sc_uaddr_len;
char sc_uaddr[RPCBIND_MAXUADDRLEN + 1];
u32 sc_cb_ident;
struct rpc_cred *sc_cred;
};
struct nfs4_setclientid_res {
@@ -1253,18 +1254,12 @@ enum {
NFS_IOHDR_ERROR = 0,
NFS_IOHDR_EOF,
NFS_IOHDR_REDO,
NFS_IOHDR_NEED_COMMIT,
NFS_IOHDR_NEED_RESCHED,
};
struct nfs_pgio_data;
struct nfs_pgio_header {
struct inode *inode;
struct rpc_cred *cred;
struct list_head pages;
struct nfs_pgio_data *data;
atomic_t refcnt;
struct nfs_page *req;
struct nfs_writeverf verf; /* Used for writes */
struct pnfs_layout_segment *lseg;
@@ -1281,28 +1276,22 @@ struct nfs_pgio_header {
int error; /* merge with pnfs_error */
unsigned long good_bytes; /* boundary of good data */
unsigned long flags;
};
struct nfs_pgio_data {
struct nfs_pgio_header *header;
/*
* rpc data
*/
struct rpc_task task;
struct nfs_fattr fattr;
struct nfs_writeverf verf; /* Used for writes */
struct nfs_pgio_args args; /* argument struct */
struct nfs_pgio_res res; /* result struct */
unsigned long timestamp; /* For lease renewal */
int (*pgio_done_cb) (struct rpc_task *task, struct nfs_pgio_data *data);
int (*pgio_done_cb)(struct rpc_task *, struct nfs_pgio_header *);
__u64 mds_offset; /* Filelayout dense stripe */
struct nfs_page_array pages;
struct nfs_page_array page_array;
struct nfs_client *ds_clp; /* pNFS data server */
int ds_idx; /* ds index if ds_clp is set */
};
struct nfs_rw_header {
struct nfs_pgio_header header;
struct nfs_pgio_data rpc_data;
};
struct nfs_mds_commit_info {
atomic_t rpcs_out;
unsigned long ncommit;
@@ -1432,11 +1421,12 @@ struct nfs_rpc_ops {
struct nfs_pathconf *);
int (*set_capabilities)(struct nfs_server *, struct nfs_fh *);
int (*decode_dirent)(struct xdr_stream *, struct nfs_entry *, int);
int (*pgio_rpc_prepare)(struct rpc_task *, struct nfs_pgio_data *);
void (*read_setup) (struct nfs_pgio_data *, struct rpc_message *);
int (*read_done) (struct rpc_task *, struct nfs_pgio_data *);
void (*write_setup) (struct nfs_pgio_data *, struct rpc_message *);
int (*write_done) (struct rpc_task *, struct nfs_pgio_data *);
int (*pgio_rpc_prepare)(struct rpc_task *,
struct nfs_pgio_header *);
void (*read_setup)(struct nfs_pgio_header *, struct rpc_message *);
int (*read_done)(struct rpc_task *, struct nfs_pgio_header *);
void (*write_setup)(struct nfs_pgio_header *, struct rpc_message *);
int (*write_done)(struct rpc_task *, struct nfs_pgio_header *);
void (*commit_setup) (struct nfs_commit_data *, struct rpc_message *);
void (*commit_rpc_prepare)(struct rpc_task *, struct nfs_commit_data *);
int (*commit_done) (struct rpc_task *, struct nfs_commit_data *);

4
include/linux/sunrpc/auth.h
View File

@@ -103,6 +103,7 @@ struct rpc_auth_create_args {
/* Flags for rpcauth_lookupcred() */
#define RPCAUTH_LOOKUP_NEW 0x01 /* Accept an uninitialised cred */
#define RPCAUTH_LOOKUP_RCU 0x02 /* lock-less lookup */
/*
* Client authentication ops
@@ -140,6 +141,7 @@ struct rpc_credops {
void *, __be32 *, void *);
int (*crkey_timeout)(struct rpc_cred *);
bool (*crkey_to_expire)(struct rpc_cred *);
char * (*crstringify_acceptor)(struct rpc_cred *);
};
extern const struct rpc_authops authunix_ops;
@@ -153,6 +155,7 @@ void rpc_destroy_generic_auth(void);
void rpc_destroy_authunix(void);
struct rpc_cred * rpc_lookup_cred(void);
struct rpc_cred * rpc_lookup_cred_nonblock(void);
struct rpc_cred * rpc_lookup_machine_cred(const char *service_name);
int rpcauth_register(const struct rpc_authops *);
int rpcauth_unregister(const struct rpc_authops *);
@@ -182,6 +185,7 @@ void rpcauth_clear_credcache(struct rpc_cred_cache *);
int rpcauth_key_timeout_notify(struct rpc_auth *,
struct rpc_cred *);
bool rpcauth_cred_key_to_expire(struct rpc_cred *);
char * rpcauth_stringify_acceptor(struct rpc_cred *);
static inline
struct rpc_cred * get_rpccred(struct rpc_cred *cred)

3
include/linux/sunrpc/auth_gss.h
View File

@@ -69,8 +69,9 @@ struct gss_cl_ctx {
enum rpc_gss_proc gc_proc;
u32 gc_seq;
spinlock_t gc_seq_lock;
struct gss_ctx __rcu *gc_gss_ctx;
struct gss_ctx *gc_gss_ctx;
struct xdr_netobj gc_wire_ctx;
struct xdr_netobj gc_acceptor;
u32 gc_win;
unsigned long gc_expiry;
struct rcu_head gc_rcu;

4
include/linux/sunrpc/gss_krb5.h
View File

@@ -81,7 +81,7 @@ struct gss_krb5_enctype {
struct xdr_netobj *in,
struct xdr_netobj *out); /* complete key generation */
u32 (*encrypt_v2) (struct krb5_ctx *kctx, u32 offset,
struct xdr_buf *buf, int ec,
struct xdr_buf *buf,
struct page **pages); /* v2 encryption function */
u32 (*decrypt_v2) (struct krb5_ctx *kctx, u32 offset,
struct xdr_buf *buf, u32 *headskip,
@@ -310,7 +310,7 @@ gss_krb5_aes_make_key(const struct gss_krb5_enctype *gk5e,
u32
gss_krb5_aes_encrypt(struct krb5_ctx *kctx, u32 offset,
struct xdr_buf *buf, int ec,
struct xdr_buf *buf,
struct page **pages);
u32

2
include/linux/sunrpc/xprtrdma.h
View File

@@ -62,8 +62,6 @@
#define RPCRDMA_INLINE_PAD_THRESH (512)/* payload threshold to pad (bytes) */
/* memory registration strategies */
#define RPCRDMA_PERSISTENT_REGISTRATION (1)
enum rpcrdma_memreg {
RPCRDMA_BOUNCEBUFFERS = 0,
RPCRDMA_REGISTER,