5 files changed, 21 insertions, 55 deletions

diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index 5180a7ededec..28d649054d5f 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -443,22 +443,6 @@ static inline struct rpc_cred *nfs_file_cred(struct file *file)
 }
 
 /*
- * linux/fs/nfs/xattr.c
- */
-#ifdef CONFIG_NFS_V3_ACL
-extern ssize_t nfs3_listxattr(struct dentry *, char *, size_t);
-extern ssize_t nfs3_getxattr(struct dentry *, const char *, void *, size_t);
-extern int nfs3_setxattr(struct dentry *, const char *,
-                        const void *, size_t, int);
-extern int nfs3_removexattr (struct dentry *, const char *name);
-#else
-# define nfs3_listxattr NULL
-# define nfs3_getxattr NULL
-# define nfs3_setxattr NULL
-# define nfs3_removexattr NULL
-#endif
-
-/*
  * linux/fs/nfs/direct.c
  */
 extern ssize_t nfs_direct_IO(int, struct kiocb *, struct iov_iter *, loff_t);
@@ -529,17 +513,9 @@ extern int  nfs_updatepage(struct file *, struct page *, unsigned int, unsigned
 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 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);
-#else
-static inline int
-nfs_commit_inode(struct inode *inode, int how)
-{
-        return 0;
-}
-#endif
 
 static inline int
 nfs_have_writebacks(struct inode *inode)
@@ -557,23 +533,6 @@ extern int  nfs_readpage_async(struct nfs_open_context *, struct inode *,
                                struct page *);
 
 /*
- * linux/fs/nfs3proc.c
- */
-#ifdef CONFIG_NFS_V3_ACL
-extern struct posix_acl *nfs3_get_acl(struct inode *inode, int type);
-extern int nfs3_set_acl(struct inode *inode, struct posix_acl *acl, int type);
-extern int nfs3_proc_setacls(struct inode *inode, struct posix_acl *acl,
-                struct posix_acl *dfacl);
-extern const struct xattr_handler *nfs3_xattr_handlers[];
-#else
-static inline int nfs3_proc_setacls(struct inode *inode, struct posix_acl *acl,
-                struct posix_acl *dfacl)
-{
-        return 0;
-}
-#endif /* CONFIG_NFS_V3_ACL */
-
-/*
  * inline functions
  */
 
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 0040629894df..6951c7d9097d 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -252,17 +252,6 @@ struct nfs4_layoutget {
         gfp_t gfp_flags;
 };
 
-struct nfs4_getdevicelist_args {
-        struct nfs4_sequence_args seq_args;
-        const struct nfs_fh *fh;
-        u32 layoutclass;
-};
-
-struct nfs4_getdevicelist_res {
-        struct nfs4_sequence_res seq_res;
-        struct pnfs_devicelist *devlist;
-};
-
 struct nfs4_getdeviceinfo_args {
         struct nfs4_sequence_args seq_args;
         struct pnfs_device *pdev;
@@ -279,6 +268,9 @@ struct nfs4_layoutcommit_args {
         __u64 lastbytewritten;
         struct inode *inode;
         const u32 *bitmask;
+        size_t layoutupdate_len;
+        struct page *layoutupdate_page;
+        struct page **layoutupdate_pages;
 };
 
 struct nfs4_layoutcommit_res {
@@ -1328,6 +1320,7 @@ struct nfs_commit_data {
         struct pnfs_layout_segment *lseg;
         struct nfs_client       *ds_clp;        /* pNFS data server */
         int                     ds_commit_index;
+        loff_t                  lwb;
         const struct rpc_call_ops *mds_ops;
         const struct nfs_commit_completion_ops *completion_ops;
         int (*commit_done_cb) (struct rpc_task *task, struct nfs_commit_data *data);
@@ -1346,6 +1339,7 @@ struct nfs_unlinkdata {
         struct inode *dir;
         struct rpc_cred *cred;
         struct nfs_fattr dir_attr;
+        long timeout;
 };
 
 struct nfs_renamedata {
@@ -1359,6 +1353,7 @@ struct nfs_renamedata {
         struct dentry           *new_dentry;
         struct nfs_fattr        new_fattr;
         void (*complete)(struct rpc_task *, struct nfs_renamedata *);
+        long timeout;
 };
 
 struct nfs_access_entry;
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index 5ba1813337df..19191d39c4f3 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -496,12 +496,14 @@ static inline int lock_page_or_retry(struct page *page, struct mm_struct *mm,
 }
 
 /*
- * This is exported only for wait_on_page_locked/wait_on_page_writeback.
- * Never use this directly!
+ * This is exported only for wait_on_page_locked/wait_on_page_writeback,
+ * and for filesystems which need to wait on PG_private.
  */
 extern void wait_on_page_bit(struct page *page, int bit_nr);
 
 extern int wait_on_page_bit_killable(struct page *page, int bit_nr);
+extern int wait_on_page_bit_killable_timeout(struct page *page,
+                                             int bit_nr, unsigned long timeout);
 
 static inline int wait_on_page_locked_killable(struct page *page)
 {
@@ -510,6 +512,12 @@ static inline int wait_on_page_locked_killable(struct page *page)
         return 0;
 }
 
+extern wait_queue_head_t *page_waitqueue(struct page *page);
+static inline void wake_up_page(struct page *page, int bit)
+{
+        __wake_up_bit(page_waitqueue(page), &page->flags, bit);
+}
+
 /* 
  * Wait for a page to be unlocked.
  *
diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h
index fcbfe8783243..cf391eef2e6d 100644
--- a/include/linux/sunrpc/xprt.h
+++ b/include/linux/sunrpc/xprt.h
@@ -357,6 +357,7 @@ int			xs_swapper(struct rpc_xprt *xprt, int enable);
 #define XPRT_CONNECTION_ABORT   (7)
 #define XPRT_CONNECTION_CLOSE   (8)
 #define XPRT_CONGESTED          (9)
+#define XPRT_CONNECTION_REUSE   (10)
 
 static inline void xprt_set_connected(struct rpc_xprt *xprt)
 {
diff --git a/include/linux/wait.h b/include/linux/wait.h
index 6fb1ba5f9b2f..80115bf88671 100644
--- a/include/linux/wait.h
+++ b/include/linux/wait.h
@@ -25,7 +25,7 @@ struct wait_bit_key {
         void                    *flags;
         int                     bit_nr;
 #define WAIT_ATOMIC_T_BIT_NR    -1
-        unsigned long           private;
+        unsigned long           timeout;
 };
 
 struct wait_bit_queue {
@@ -154,6 +154,7 @@ int __wait_on_bit_lock(wait_queue_head_t *, struct wait_bit_queue *, wait_bit_ac
 void wake_up_bit(void *, int);
 void wake_up_atomic_t(atomic_t *);
 int out_of_line_wait_on_bit(void *, int, wait_bit_action_f *, unsigned);
+int out_of_line_wait_on_bit_timeout(void *, int, wait_bit_action_f *, unsigned, unsigned long);
 int out_of_line_wait_on_bit_lock(void *, int, wait_bit_action_f *, unsigned);
 int out_of_line_wait_on_atomic_t(atomic_t *, int (*)(atomic_t *), unsigned);
 wait_queue_head_t *bit_waitqueue(void *, int);
@@ -859,6 +860,8 @@ int wake_bit_function(wait_queue_t *wait, unsigned mode, int sync, void *key);
 
 extern int bit_wait(struct wait_bit_key *);
 extern int bit_wait_io(struct wait_bit_key *);
+extern int bit_wait_timeout(struct wait_bit_key *);
+extern int bit_wait_io_timeout(struct wait_bit_key *);
 
 /**
  * wait_on_bit - wait for a bit to be cleared