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NFS client updates for Linux 3.6

Browse source 
Features include:
 - Patches from Bryan to allow splitting of the NFSv2/v3/v4 code into
   separate modules.
 - Fix Oopses in the NFSv4 idmapper
 - Fix a deadlock whereby rpciod tries to allocate a new socket and
   ends up recursing into the NFS code due to memory reclaim.
 - Increase the number of permitted callback connections.
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Merge tag 'nfs-for-3.6-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs

Pull second wave of NFS client updates from Trond Myklebust:

 - Patches from Bryan to allow splitting of the NFSv2/v3/v4 code into
   separate modules.

 - Fix Oopses in the NFSv4 idmapper

 - Fix a deadlock whereby rpciod tries to allocate a new socket and ends
   up recursing into the NFS code due to memory reclaim.

 - Increase the number of permitted callback connections.

* tag 'nfs-for-3.6-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
  nfs: explicitly reject LOCK_MAND flock() requests
  nfs: increase number of permitted callback connections.
  SUNRPC: return negative value in case rpcbind client creation error
  NFS: Convert v4 into a module
  NFS: Convert v3 into a module
  NFS: Convert v2 into a module
  NFS: Keep module parameters in the generic NFS client
  NFS: Split out remaining NFS v4 inode functions
  NFS: Pass super operations and xattr handlers in the nfs_subversion
  NFS: Only initialize the ACL client in the v3 case
  NFS: Create a try_mount rpc op
  NFS: Remove the NFS v4 xdev mount function
  NFS: Add version registering framework
  NFS: Fix a number of bugs in the idmapper
  nfs: skip commit in releasepage if we're freeing memory for fs-related reasons
  sunrpc: clarify comments on rpc_make_runnable
  pnfsblock: bail out partial page IO
This commit is contained in:
Linus Torvalds 2012-07-31 18:45:44 -07:00
commit 6dbb35b0a7
40 changed files with 725 additions and 403 deletions
Download patch file Download diff file Expand all files Collapse all files

6
include/linux/nfs_fs.h
View file

@ -191,7 +191,7 @@ struct nfs_inode {
struct hlist_head silly_list;
wait_queue_head_t waitqueue;
#ifdef CONFIG_NFS_V4
#if IS_ENABLED(CONFIG_NFS_V4)
struct nfs4_cached_acl *nfs4_acl;
/* NFSv4 state */
struct list_head open_states;
@ -428,7 +428,7 @@ extern __be32 root_nfs_parse_addr(char *name); /*__init*/
* linux/fs/nfs/file.c
*/
extern const struct file_operations nfs_file_operations;
#ifdef CONFIG_NFS_V4
#if IS_ENABLED(CONFIG_NFS_V4)
extern const struct file_operations nfs4_file_operations;
#endif /* CONFIG_NFS_V4 */
extern const struct address_space_operations nfs_file_aops;
@ -538,7 +538,7 @@ extern void nfs_writeback_done(struct rpc_task *, struct nfs_write_data *);
extern int nfs_wb_all(struct inode *inode);
extern int nfs_wb_page(struct inode *inode, struct page* page);
extern int nfs_wb_page_cancel(struct inode *inode, struct page* page);
#if defined(CONFIG_NFS_V3) || defined(CONFIG_NFS_V4)
#if IS_ENABLED(CONFIG_NFS_V3) || IS_ENABLED(CONFIG_NFS_V4)
extern int nfs_commit_inode(struct inode *, int);
extern struct nfs_commit_data *nfs_commitdata_alloc(void);
extern void nfs_commit_free(struct nfs_commit_data *data);

7
include/linux/nfs_fs_sb.h
View file

@ -48,11 +48,12 @@ struct nfs_client {
struct rpc_clnt * cl_rpcclient;
const struct nfs_rpc_ops *rpc_ops; /* NFS protocol vector */
int cl_proto; /* Network transport protocol */
struct nfs_subversion * cl_nfs_mod; /* pointer to nfs version module */
u32 cl_minorversion;/* NFSv4 minorversion */
struct rpc_cred *cl_machine_cred;
#ifdef CONFIG_NFS_V4
#if IS_ENABLED(CONFIG_NFS_V4)
u64 cl_clientid; /* constant */
nfs4_verifier cl_confirm; /* Clientid verifier */
unsigned long cl_state;
@ -137,7 +138,7 @@ struct nfs_server {
#endif
u32 pnfs_blksize; /* layout_blksize attr */
#ifdef CONFIG_NFS_V4
#if IS_ENABLED(CONFIG_NFS_V4)
u32 attr_bitmask[3];/* V4 bitmask representing the set
of attributes supported on this
filesystem */
@ -200,7 +201,7 @@ struct nfs_server {
#define NFS4_MAX_SLOT_TABLE (256U)
#define NFS4_NO_SLOT ((u32)-1)
#if defined(CONFIG_NFS_V4)
#if IS_ENABLED(CONFIG_NFS_V4)
/* Sessions */
#define SLOT_TABLE_SZ DIV_ROUND_UP(NFS4_MAX_SLOT_TABLE, 8*sizeof(long))

2
include/linux/nfs_idmap.h
View file

@ -69,7 +69,7 @@ struct nfs_server;
struct nfs_fattr;
struct nfs4_string;
#ifdef CONFIG_NFS_V4
#if IS_ENABLED(CONFIG_NFS_V4)
int nfs_idmap_init(void);
void nfs_idmap_quit(void);
#else

9
include/linux/nfs_xdr.h
View file

@ -824,7 +824,7 @@ struct nfs3_getaclres {
struct posix_acl * acl_default;
};
#ifdef CONFIG_NFS_V4
#if IS_ENABLED(CONFIG_NFS_V4)
typedef u64 clientid4;
@ -1353,6 +1353,8 @@ struct nfs_renamedata {
struct nfs_access_entry;
struct nfs_client;
struct rpc_timeout;
struct nfs_subversion;
struct nfs_mount_info;
struct nfs_client_initdata;
struct nfs_pageio_descriptor;
@ -1370,6 +1372,8 @@ struct nfs_rpc_ops {
struct nfs_fsinfo *);
struct vfsmount *(*submount) (struct nfs_server *, struct dentry *,
struct nfs_fh *, struct nfs_fattr *);
struct dentry *(*try_mount) (int, const char *, struct nfs_mount_info *,
struct nfs_subversion *);
int (*getattr) (struct nfs_server *, struct nfs_fh *,
struct nfs_fattr *);
int (*setattr) (struct dentry *, struct nfs_fattr *,
@ -1435,6 +1439,9 @@ struct nfs_rpc_ops {
(*init_client) (struct nfs_client *, const struct rpc_timeout *,
const char *, rpc_authflavor_t);
void (*free_client) (struct nfs_client *);
struct nfs_server *(*create_server)(struct nfs_mount_info *, struct nfs_subversion *);
struct nfs_server *(*clone_server)(struct nfs_server *, struct nfs_fh *,
struct nfs_fattr *, rpc_authflavor_t);
};
/*