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authorLinus Torvalds <torvalds@linux-foundation.org>2009-12-14 13:00:24 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-14 13:00:24 -0500
commit3f86ce72cffbea488a3b58453bbaf49c93ac90d9 (patch)
treee7c612d297b41fb03326dcf38cecd27e89474538 /fs/nfs/internal.h
parentd0316554d3586cbea60592a41391b5def2553d6f (diff)
parent52c9948b1fd80381ba5a9a87dcc4fbe3cf4979b8 (diff)
Merge git://git.linux-nfs.org/projects/trondmy/nfs-2.6
* git://git.linux-nfs.org/projects/trondmy/nfs-2.6: (75 commits) NFS: Fix nfs_migrate_page() rpc: remove unneeded function parameter in gss_add_msg() nfs41: Invoke RECLAIM_COMPLETE on all new client ids SUNRPC: IS_ERR/PTR_ERR confusion NFSv41: Fix a potential state leakage when restarting nfs4_close_prepare nfs41: Handle NFSv4.1 session errors in the delegation recall code nfs41: Retry delegation return if it failed with session error nfs41: Handle session errors during delegation return nfs41: Mark stateids in need of reclaim if state manager gets stale clientid NFS: Fix up the declaration of nfs4_restart_rpc when NFSv4 not configured nfs41: Don't clear DRAINING flag on NFS4ERR_STALE_CLIENTID nfs41: nfs41_setup_state_renewal NFSv41: More cleanups NFSv41: Fix up some bugs in the NFS4CLNT_SESSION_DRAINING code NFSv41: Clean up slot table management NFSv41: Fix nfs4_proc_create_session nfs41: Invoke RECLAIM_COMPLETE nfs41: RECLAIM_COMPLETE functionality nfs41: RECLAIM_COMPLETE XDR functionality Cleanup some NFSv4 XDR decode comments ...
Diffstat (limited to 'fs/nfs/internal.h')
-rw-r--r--fs/nfs/internal.h54
1 files changed, 26 insertions, 28 deletions
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index e21b1bb9972f..29e464d23b32 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -30,6 +30,15 @@ static inline int nfs4_has_session(const struct nfs_client *clp)
30 return 0; 30 return 0;
31} 31}
32 32
33static inline int nfs4_has_persistent_session(const struct nfs_client *clp)
34{
35#ifdef CONFIG_NFS_V4_1
36 if (nfs4_has_session(clp))
37 return (clp->cl_session->flags & SESSION4_PERSIST);
38#endif /* CONFIG_NFS_V4_1 */
39 return 0;
40}
41
33struct nfs_clone_mount { 42struct nfs_clone_mount {
34 const struct super_block *sb; 43 const struct super_block *sb;
35 const struct dentry *dentry; 44 const struct dentry *dentry;
@@ -156,6 +165,7 @@ struct vfsmount *nfs_do_refmount(const struct vfsmount *mnt_parent, struct dentr
156 165
157/* callback_xdr.c */ 166/* callback_xdr.c */
158extern struct svc_version nfs4_callback_version1; 167extern struct svc_version nfs4_callback_version1;
168extern struct svc_version nfs4_callback_version4;
159 169
160/* pagelist.c */ 170/* pagelist.c */
161extern int __init nfs_init_nfspagecache(void); 171extern int __init nfs_init_nfspagecache(void);
@@ -177,24 +187,14 @@ extern __be32 * nfs_decode_dirent(__be32 *, struct nfs_entry *, int);
177extern struct rpc_procinfo nfs3_procedures[]; 187extern struct rpc_procinfo nfs3_procedures[];
178extern __be32 *nfs3_decode_dirent(__be32 *, struct nfs_entry *, int); 188extern __be32 *nfs3_decode_dirent(__be32 *, struct nfs_entry *, int);
179 189
180/* nfs4proc.c */
181static inline void nfs4_restart_rpc(struct rpc_task *task,
182 const struct nfs_client *clp)
183{
184#ifdef CONFIG_NFS_V4_1
185 if (nfs4_has_session(clp) &&
186 test_bit(NFS4CLNT_SESSION_SETUP, &clp->cl_state)) {
187 rpc_restart_call_prepare(task);
188 return;
189 }
190#endif /* CONFIG_NFS_V4_1 */
191 rpc_restart_call(task);
192}
193
194/* nfs4xdr.c */ 190/* nfs4xdr.c */
195#ifdef CONFIG_NFS_V4 191#ifdef CONFIG_NFS_V4
196extern __be32 *nfs4_decode_dirent(__be32 *p, struct nfs_entry *entry, int plus); 192extern __be32 *nfs4_decode_dirent(__be32 *p, struct nfs_entry *entry, int plus);
197#endif 193#endif
194#ifdef CONFIG_NFS_V4_1
195extern const u32 nfs41_maxread_overhead;
196extern const u32 nfs41_maxwrite_overhead;
197#endif
198 198
199/* nfs4proc.c */ 199/* nfs4proc.c */
200#ifdef CONFIG_NFS_V4 200#ifdef CONFIG_NFS_V4
@@ -273,20 +273,6 @@ extern int _nfs4_call_sync_session(struct nfs_server *server,
273 struct nfs4_sequence_res *res, 273 struct nfs4_sequence_res *res,
274 int cache_reply); 274 int cache_reply);
275 275
276#ifdef CONFIG_NFS_V4_1
277extern void nfs41_sequence_free_slot(const struct nfs_client *,
278 struct nfs4_sequence_res *res);
279#endif /* CONFIG_NFS_V4_1 */
280
281static inline void nfs4_sequence_free_slot(const struct nfs_client *clp,
282 struct nfs4_sequence_res *res)
283{
284#ifdef CONFIG_NFS_V4_1
285 if (nfs4_has_session(clp))
286 nfs41_sequence_free_slot(clp, res);
287#endif /* CONFIG_NFS_V4_1 */
288}
289
290/* 276/*
291 * Determine the device name as a string 277 * Determine the device name as a string
292 */ 278 */
@@ -380,3 +366,15 @@ unsigned int nfs_page_array_len(unsigned int base, size_t len)
380 return ((unsigned long)len + (unsigned long)base + 366 return ((unsigned long)len + (unsigned long)base +
381 PAGE_SIZE - 1) >> PAGE_SHIFT; 367 PAGE_SIZE - 1) >> PAGE_SHIFT;
382} 368}
369
370/*
371 * Helper for restarting RPC calls in the possible presence of NFSv4.1
372 * sessions.
373 */
374static inline void nfs_restart_rpc(struct rpc_task *task, const struct nfs_client *clp)
375{
376 if (nfs4_has_session(clp))
377 rpc_restart_call_prepare(task);
378 else
379 rpc_restart_call(task);
380}