Merge rsync://client.linux-nfs.org/pub/linux/nfs-2.6

fs/Kconfig

@@ -1268,6 +1268,7 @@ config NFS_FS
 	depends on INET
 	select LOCKD
 	select SUNRPC
+	select NFS_ACL_SUPPORT if NFS_V3_ACL
 	help
 	  If you are connected to some other (usually local) Unix computer
 	  (using SLIP, PLIP, PPP or Ethernet) and want to mount files residing
@@ -1310,6 +1311,16 @@ config NFS_V3
 
 	  If unsure, say Y.
 
+config NFS_V3_ACL
+	bool "Provide client support for the NFSv3 ACL protocol extension"
+	depends on NFS_V3
+	help
+	  Implement the NFSv3 ACL protocol extension for manipulating POSIX
+	  Access Control Lists.  The server should also be compiled with
+	  the NFSv3 ACL protocol extension; see the CONFIG_NFSD_V3_ACL option.
+
+	  If unsure, say N.
+
 config NFS_V4
 	bool "Provide NFSv4 client support (EXPERIMENTAL)"
 	depends on NFS_FS && EXPERIMENTAL
@@ -1353,6 +1364,7 @@ config NFSD
 	select LOCKD
 	select SUNRPC
 	select EXPORTFS
+	select NFS_ACL_SUPPORT if NFSD_V3_ACL || NFSD_V2_ACL
 	help
 	  If you want your Linux box to act as an NFS *server*, so that other
 	  computers on your local network which support NFS can access certain
@@ -1376,6 +1388,10 @@ config NFSD
 	  To compile the NFS server support as a module, choose M here: the
 	  module will be called nfsd.  If unsure, say N.
 
+config NFSD_V2_ACL
+	bool
+	depends on NFSD
+
 config NFSD_V3
 	bool "Provide NFSv3 server support"
 	depends on NFSD
@@ -1383,6 +1399,16 @@ config NFSD_V3
 	  If you would like to include the NFSv3 server as well as the NFSv2
 	  server, say Y here.  If unsure, say Y.
 
+config NFSD_V3_ACL
+	bool "Provide server support for the NFSv3 ACL protocol extension"
+	depends on NFSD_V3
+	select NFSD_V2_ACL
+	help
+	  Implement the NFSv3 ACL protocol extension for manipulating POSIX
+	  Access Control Lists on exported file systems. NFS clients should
+	  be compiled with the NFSv3 ACL protocol extension; see the
+	  CONFIG_NFS_V3_ACL option.  If unsure, say N.
+
 config NFSD_V4
 	bool "Provide NFSv4 server support (EXPERIMENTAL)"
 	depends on NFSD_V3 && EXPERIMENTAL
@@ -1427,6 +1453,15 @@ config LOCKD_V4
 config EXPORTFS
 	tristate
 
+config NFS_ACL_SUPPORT
+	tristate
+	select FS_POSIX_ACL
+
+config NFS_COMMON
+	bool
+	depends on NFSD || NFS_FS
+	default y
+
 config SUNRPC
 	tristate
 

fs/Makefile

@@ -31,6 +31,7 @@ obj-$(CONFIG_BINFMT_FLAT)	+= binfmt_flat.o
 
 obj-$(CONFIG_FS_MBCACHE)	+= mbcache.o
 obj-$(CONFIG_FS_POSIX_ACL)	+= posix_acl.o xattr_acl.o
+obj-$(CONFIG_NFS_COMMON)	+= nfs_common/
 
 obj-$(CONFIG_QUOTA)		+= dquot.o
 obj-$(CONFIG_QFMT_V1)		+= quota_v1.o

fs/lockd/clntlock.c

@@ -31,7 +31,7 @@ static int			reclaimer(void *ptr);
  * This is the representation of a blocked client lock.
  */
 struct nlm_wait {
-	struct nlm_wait *	b_next;		/* linked list */
+	struct list_head	b_list;		/* linked list */
 	wait_queue_head_t	b_wait;		/* where to wait on */
 	struct nlm_host *	b_host;
 	struct file_lock *	b_lock;		/* local file lock */
@@ -39,27 +39,54 @@ struct nlm_wait {
 	u32			b_status;	/* grant callback status */
 };
 
-static struct nlm_wait *	nlm_blocked;
+static LIST_HEAD(nlm_blocked);
 
 /*
- * Block on a lock
+ * Queue up a lock for blocking so that the GRANTED request can see it
  */
-int
-nlmclnt_block(struct nlm_host *host, struct file_lock *fl, u32 *statp)
+int nlmclnt_prepare_block(struct nlm_rqst *req, struct nlm_host *host, struct file_lock *fl)
+{
+	struct nlm_wait *block;
+
+	BUG_ON(req->a_block != NULL);
+	block = kmalloc(sizeof(*block), GFP_KERNEL);
+	if (block == NULL)
+		return -ENOMEM;
+	block->b_host = host;
+	block->b_lock = fl;
+	init_waitqueue_head(&block->b_wait);
+	block->b_status = NLM_LCK_BLOCKED;
+
+	list_add(&block->b_list, &nlm_blocked);
+	req->a_block = block;
+
+	return 0;
+}
+
+void nlmclnt_finish_block(struct nlm_rqst *req)
 {
-	struct nlm_wait	block, **head;
-	int		err;
-	u32		pstate;
+	struct nlm_wait *block = req->a_block;
 
-	block.b_host   = host;
-	block.b_lock   = fl;
-	init_waitqueue_head(&block.b_wait);
-	block.b_status = NLM_LCK_BLOCKED;
-	block.b_next   = nlm_blocked;
-	nlm_blocked    = █
+	if (block == NULL)
+		return;
+	req->a_block = NULL;
+	list_del(&block->b_list);
+	kfree(block);
+}
+
+/*
+ * Block on a lock
+ */
+long nlmclnt_block(struct nlm_rqst *req, long timeout)
+{
+	struct nlm_wait	*block = req->a_block;
+	long ret;
 
-	/* Remember pseudo nsm state */
-	pstate = host->h_state;
+	/* A borken server might ask us to block even if we didn't
+	 * request it. Just say no!
+	 */
+	if (!req->a_args.block)
+		return -EAGAIN;
 
 	/* Go to sleep waiting for GRANT callback. Some servers seem
 	 * to lose callbacks, however, so we're going to poll from
@@ -69,28 +96,16 @@ nlmclnt_block(struct nlm_host *host, struct file_lock *fl, u32 *statp)
 	 * a 1 minute timeout would do. See the comment before
 	 * nlmclnt_lock for an explanation.
 	 */
-	sleep_on_timeout(&block.b_wait, 30*HZ);
-
-	for (head = &nlm_blocked; *head; head = &(*head)->b_next) {
-		if (*head == &block) {
-			*head = block.b_next;
-			break;
-		}
-	}
+	ret = wait_event_interruptible_timeout(block->b_wait,
+			block->b_status != NLM_LCK_BLOCKED,
+			timeout);
 
-	if (!signalled()) {
-		*statp = block.b_status;
-		return 0;
+	if (block->b_status != NLM_LCK_BLOCKED) {
+		req->a_res.status = block->b_status;
+		block->b_status = NLM_LCK_BLOCKED;
 	}
 
-	/* Okay, we were interrupted. Cancel the pending request
-	 * unless the server has rebooted.
-	 */
-	if (pstate == host->h_state && (err = nlmclnt_cancel(host, fl)) < 0)
-		printk(KERN_NOTICE
-			"lockd: CANCEL call failed (errno %d)\n", -err);
-
-	return -ERESTARTSYS;
+	return ret;
 }
 
 /*
@@ -100,27 +115,23 @@ u32
 nlmclnt_grant(struct nlm_lock *lock)
 {
 	struct nlm_wait	*block;
+	u32 res = nlm_lck_denied;
 
 	/*
 	 * Look up blocked request based on arguments. 
 	 * Warning: must not use cookie to match it!
 	 */
-	for (block = nlm_blocked; block; block = block->b_next) {
-		if (nlm_compare_locks(block->b_lock, &lock->fl))
-			break;
+	list_for_each_entry(block, &nlm_blocked, b_list) {
+		if (nlm_compare_locks(block->b_lock, &lock->fl)) {
+			/* Alright, we found a lock. Set the return status
+			 * and wake up the caller
+			 */
+			block->b_status = NLM_LCK_GRANTED;
+			wake_up(&block->b_wait);
+			res = nlm_granted;
+		}
 	}
-
-	/* Ooops, no blocked request found. */
-	if (block == NULL)
-		return nlm_lck_denied;
-
-	/* Alright, we found the lock. Set the return status and
-	 * wake up the caller.
-	 */
-	block->b_status = NLM_LCK_GRANTED;
-	wake_up(&block->b_wait);
-
-	return nlm_granted;
+	return res;
 }
 
 /*
@@ -230,7 +241,7 @@ restart:
 	host->h_reclaiming = 0;
 
 	/* Now, wake up all processes that sleep on a blocked lock */
-	for (block = nlm_blocked; block; block = block->b_next) {
+	list_for_each_entry(block, &nlm_blocked, b_list) {
 		if (block->b_host == host) {
 			block->b_status = NLM_LCK_DENIED_GRACE_PERIOD;
 			wake_up(&block->b_wait);

fs/lockd/clntproc.c

@@ -21,6 +21,7 @@
 
 #define NLMDBG_FACILITY		NLMDBG_CLIENT
 #define NLMCLNT_GRACE_WAIT	(5*HZ)
+#define NLMCLNT_POLL_TIMEOUT	(30*HZ)
 
 static int	nlmclnt_test(struct nlm_rqst *, struct file_lock *);
 static int	nlmclnt_lock(struct nlm_rqst *, struct file_lock *);
@@ -553,7 +554,8 @@ nlmclnt_lock(struct nlm_rqst *req, struct file_lock *fl)
 {
 	struct nlm_host	*host = req->a_host;
 	struct nlm_res	*resp = &req->a_res;
-	int		status;
+	long timeout;
+	int status;
 
 	if (!host->h_monitored && nsm_monitor(host) < 0) {
 		printk(KERN_NOTICE "lockd: failed to monitor %s\n",
@@ -562,15 +564,32 @@ nlmclnt_lock(struct nlm_rqst *req, struct file_lock *fl)
 		goto out;
 	}
 
-	do {
-		if ((status = nlmclnt_call(req, NLMPROC_LOCK)) >= 0) {
-			if (resp->status != NLM_LCK_BLOCKED)
-				break;
-			status = nlmclnt_block(host, fl, &resp->status);
-		}
+	if (req->a_args.block) {
+		status = nlmclnt_prepare_block(req, host, fl);
 		if (status < 0)
 			goto out;
-	} while (resp->status == NLM_LCK_BLOCKED && req->a_args.block);
+	}
+	for(;;) {
+		status = nlmclnt_call(req, NLMPROC_LOCK);
+		if (status < 0)
+			goto out_unblock;
+		if (resp->status != NLM_LCK_BLOCKED)
+			break;
+		/* Wait on an NLM blocking lock */
+		timeout = nlmclnt_block(req, NLMCLNT_POLL_TIMEOUT);
+		/* Did a reclaimer thread notify us of a server reboot? */
+		if (resp->status ==  NLM_LCK_DENIED_GRACE_PERIOD)
+			continue;
+		if (resp->status != NLM_LCK_BLOCKED)
+			break;
+		if (timeout >= 0)
+			continue;
+		/* We were interrupted. Send a CANCEL request to the server
+		 * and exit
+		 */
+		status = (int)timeout;
+		goto out_unblock;
+	}
 
 	if (resp->status == NLM_LCK_GRANTED) {
 		fl->fl_u.nfs_fl.state = host->h_state;
@@ -579,6 +598,11 @@ nlmclnt_lock(struct nlm_rqst *req, struct file_lock *fl)
 		do_vfs_lock(fl);
 	}
 	status = nlm_stat_to_errno(resp->status);
+out_unblock:
+	nlmclnt_finish_block(req);
+	/* Cancel the blocked request if it is still pending */
+	if (resp->status == NLM_LCK_BLOCKED)
+		nlmclnt_cancel(host, fl);
 out:
 	nlmclnt_release_lockargs(req);
 	return status;

fs/lockd/host.c

@@ -189,17 +189,15 @@ nlm_bind_host(struct nlm_host *host)
 			goto forgetit;
 
 		xprt_set_timeout(&xprt->timeout, 5, nlmsvc_timeout);
+		xprt->nocong = 1;	/* No congestion control for NLM */
+		xprt->resvport = 1;	/* NLM requires a reserved port */
 
 		/* Existing NLM servers accept AUTH_UNIX only */
 		clnt = rpc_create_client(xprt, host->h_name, &nlm_program,
 					host->h_version, RPC_AUTH_UNIX);
-		if (IS_ERR(clnt)) {
-			xprt_destroy(xprt);
+		if (IS_ERR(clnt))
 			goto forgetit;
-		}
 		clnt->cl_autobind = 1;	/* turn on pmap queries */
-		xprt->nocong = 1;	/* No congestion control for NLM */
-		xprt->resvport = 1;	/* NLM requires a reserved port */
 
 		host->h_rpcclnt = clnt;
 	}

fs/lockd/mon.c

@@ -115,20 +115,19 @@ nsm_create(void)
 	xprt = xprt_create_proto(IPPROTO_UDP, &sin, NULL);
 	if (IS_ERR(xprt))
 		return (struct rpc_clnt *)xprt;
+	xprt->resvport = 1;	/* NSM requires a reserved port */
 
 	clnt = rpc_create_client(xprt, "localhost",
 				&nsm_program, SM_VERSION,
 				RPC_AUTH_NULL);
 	if (IS_ERR(clnt))
-		goto out_destroy;
+		goto out_err;
 	clnt->cl_softrtry = 1;
 	clnt->cl_chatty   = 1;
 	clnt->cl_oneshot  = 1;
-	xprt->resvport = 1;	/* NSM requires a reserved port */
 	return clnt;
 
-out_destroy:
-	xprt_destroy(xprt);
+out_err:
 	return clnt;
 }
 

fs/locks.c

@@ -1548,6 +1548,8 @@ int fcntl_getlk(struct file *filp, struct flock __user *l)
 
 	if (filp->f_op && filp->f_op->lock) {
 		error = filp->f_op->lock(filp, F_GETLK, &file_lock);
+		if (file_lock.fl_ops && file_lock.fl_ops->fl_release_private)
+			file_lock.fl_ops->fl_release_private(&file_lock);
 		if (error < 0)
 			goto out;
 		else
@@ -1690,6 +1692,8 @@ int fcntl_getlk64(struct file *filp, struct flock64 __user *l)
 
 	if (filp->f_op && filp->f_op->lock) {
 		error = filp->f_op->lock(filp, F_GETLK, &file_lock);
+		if (file_lock.fl_ops && file_lock.fl_ops->fl_release_private)
+			file_lock.fl_ops->fl_release_private(&file_lock);
 		if (error < 0)
 			goto out;
 		else
@@ -1873,6 +1877,8 @@ void locks_remove_flock(struct file *filp)
 			.fl_end = OFFSET_MAX,
 		};
 		filp->f_op->flock(filp, F_SETLKW, &fl);
+		if (fl.fl_ops && fl.fl_ops->fl_release_private)
+			fl.fl_ops->fl_release_private(&fl);
 	}
 
 	lock_kernel();

fs/nfs/Makefile

@@ -8,6 +8,7 @@ nfs-y 			:= dir.o file.o inode.o nfs2xdr.o pagelist.o \
 			   proc.o read.o symlink.o unlink.o write.o
 nfs-$(CONFIG_ROOT_NFS)	+= nfsroot.o mount_clnt.o      
 nfs-$(CONFIG_NFS_V3)	+= nfs3proc.o nfs3xdr.o
+nfs-$(CONFIG_NFS_V3_ACL)	+= nfs3acl.o
 nfs-$(CONFIG_NFS_V4)	+= nfs4proc.o nfs4xdr.o nfs4state.o nfs4renewd.o \
 			   delegation.o idmap.o \
 			   callback.o callback_xdr.o callback_proc.o

fs/nfs/callback.c

@@ -14,6 +14,7 @@
 #include <linux/sunrpc/svc.h>
 #include <linux/sunrpc/svcsock.h>
 #include <linux/nfs_fs.h>
+#include "nfs4_fs.h"
 #include "callback.h"
 
 #define NFSDBG_FACILITY NFSDBG_CALLBACK

fs/nfs/callback_proc.c

@@ -8,6 +8,7 @@
 #include <linux/config.h>
 #include <linux/nfs4.h>
 #include <linux/nfs_fs.h>
+#include "nfs4_fs.h"
 #include "callback.h"
 #include "delegation.h"
 

fs/nfs/callback_xdr.c

@@ -10,6 +10,7 @@
 #include <linux/sunrpc/svc.h>
 #include <linux/nfs4.h>
 #include <linux/nfs_fs.h>
+#include "nfs4_fs.h"
 #include "callback.h"
 
 #define CB_OP_TAGLEN_MAXSZ	(512)
@@ -410,7 +411,6 @@ static int nfs4_callback_compound(struct svc_rqst *rqstp, void *argp, void *resp
 	xdr_init_decode(&xdr_in, &rqstp->rq_arg, rqstp->rq_arg.head[0].iov_base);
 
 	p = (uint32_t*)((char *)rqstp->rq_res.head[0].iov_base + rqstp->rq_res.head[0].iov_len);
-	rqstp->rq_res.head[0].iov_len = PAGE_SIZE;
 	xdr_init_encode(&xdr_out, &rqstp->rq_res, p);
 
 	decode_compound_hdr_arg(&xdr_in, &hdr_arg);

fs/nfs/delegation.c

@@ -16,6 +16,7 @@
 #include <linux/nfs_fs.h>
 #include <linux/nfs_xdr.h>
 
+#include "nfs4_fs.h"
 #include "delegation.h"
 
 static struct nfs_delegation *nfs_alloc_delegation(void)

fs/nfs/dir.c

@@ -32,6 +32,7 @@
 #include <linux/smp_lock.h>
 #include <linux/namei.h>
 
+#include "nfs4_fs.h"
 #include "delegation.h"
 
 #define NFS_PARANOIA 1
@@ -50,8 +51,10 @@ static int nfs_mknod(struct inode *, struct dentry *, int, dev_t);
 static int nfs_rename(struct inode *, struct dentry *,
 		      struct inode *, struct dentry *);
 static int nfs_fsync_dir(struct file *, struct dentry *, int);
+static loff_t nfs_llseek_dir(struct file *, loff_t, int);
 
 struct file_operations nfs_dir_operations = {
+	.llseek		= nfs_llseek_dir,
 	.read		= generic_read_dir,
 	.readdir	= nfs_readdir,
 	.open		= nfs_opendir,
@@ -74,6 +77,27 @@ struct inode_operations nfs_dir_inode_operations = {
 	.setattr	= nfs_setattr,
 };
 
+#ifdef CONFIG_NFS_V3
+struct inode_operations nfs3_dir_inode_operations = {
+	.create		= nfs_create,
+	.lookup		= nfs_lookup,
+	.link		= nfs_link,
+	.unlink		= nfs_unlink,
+	.symlink	= nfs_symlink,
+	.mkdir		= nfs_mkdir,
+	.rmdir		= nfs_rmdir,
+	.mknod		= nfs_mknod,
+	.rename		= nfs_rename,
+	.permission	= nfs_permission,
+	.getattr	= nfs_getattr,
+	.setattr	= nfs_setattr,
+	.listxattr	= nfs3_listxattr,
+	.getxattr	= nfs3_getxattr,
+	.setxattr	= nfs3_setxattr,
+	.removexattr	= nfs3_removexattr,
+};
+#endif  /* CONFIG_NFS_V3 */
+
 #ifdef CONFIG_NFS_V4
 
 static struct dentry *nfs_atomic_lookup(struct inode *, struct dentry *, struct nameidata *);
@@ -90,6 +114,9 @@ struct inode_operations nfs4_dir_inode_operations = {
 	.permission	= nfs_permission,
 	.getattr	= nfs_getattr,
 	.setattr	= nfs_setattr,
+	.getxattr       = nfs4_getxattr,
+	.setxattr       = nfs4_setxattr,
+	.listxattr      = nfs4_listxattr,
 };
 
 #endif /* CONFIG_NFS_V4 */
@@ -116,7 +143,8 @@ typedef struct {
 	struct page	*page;
 	unsigned long	page_index;
 	u32		*ptr;
-	u64		target;
+	u64		*dir_cookie;
+	loff_t		current_index;
 	struct nfs_entry *entry;
 	decode_dirent_t	decode;
 	int		plus;
@@ -164,12 +192,10 @@ int nfs_readdir_filler(nfs_readdir_descriptor_t *desc, struct page *page)
 	NFS_FLAGS(inode) |= NFS_INO_INVALID_ATIME;
 	/* Ensure consistent page alignment of the data.
 	 * Note: assumes we have exclusive access to this mapping either
-	 *	 throught inode->i_sem or some other mechanism.
+	 *	 through inode->i_sem or some other mechanism.
 	 */
-	if (page->index == 0) {
-		invalidate_inode_pages(inode->i_mapping);
-		NFS_I(inode)->readdir_timestamp = timestamp;
-	}
+	if (page->index == 0)
+		invalidate_inode_pages2_range(inode->i_mapping, PAGE_CACHE_SIZE, -1);
 	unlock_page(page);
 	return 0;
  error:
@@ -202,22 +228,22 @@ void dir_page_release(nfs_readdir_descriptor_t *desc)
 
 /*
  * Given a pointer to a buffer that has already been filled by a call
- * to readdir, find the next entry.
+ * to readdir, find the next entry with cookie '*desc->dir_cookie'.
  *
  * If the end of the buffer has been reached, return -EAGAIN, if not,
  * return the offset within the buffer of the next entry to be
  * read.
  */
 static inline
-int find_dirent(nfs_readdir_descriptor_t *desc, struct page *page)
+int find_dirent(nfs_readdir_descriptor_t *desc)
 {
 	struct nfs_entry *entry = desc->entry;
 	int		loop_count = 0,
 			status;
 
 	while((status = dir_decode(desc)) == 0) {
-		dfprintk(VFS, "NFS: found cookie %Lu\n", (long long)entry->cookie);
-		if (entry->prev_cookie == desc->target)
+		dfprintk(VFS, "NFS: found cookie %Lu\n", (unsigned long long)entry->cookie);
+		if (entry->prev_cookie == *desc->dir_cookie)
 			break;
 		if (loop_count++ > 200) {
 			loop_count = 0;
@@ -229,8 +255,44 @@ int find_dirent(nfs_readdir_descriptor_t *desc, struct page *page)
 }
 
 /*
- * Find the given page, and call find_dirent() in order to try to
- * return the next entry.
+ * Given a pointer to a buffer that has already been filled by a call
+ * to readdir, find the entry at offset 'desc->file->f_pos'.
+ *
+ * If the end of the buffer has been reached, return -EAGAIN, if not,
+ * return the offset within the buffer of the next entry to be
+ * read.
+ */
+static inline
+int find_dirent_index(nfs_readdir_descriptor_t *desc)
+{
+	struct nfs_entry *entry = desc->entry;
+	int		loop_count = 0,
+			status;
+
+	for(;;) {
+		status = dir_decode(desc);
+		if (status)
+			break;
+
+		dfprintk(VFS, "NFS: found cookie %Lu at index %Ld\n", (unsigned long long)entry->cookie, desc->current_index);
+
+		if (desc->file->f_pos == desc->current_index) {
+			*desc->dir_cookie = entry->cookie;
+			break;
+		}
+		desc->current_index++;
+		if (loop_count++ > 200) {
+			loop_count = 0;
+			schedule();
+		}
+	}
+	dfprintk(VFS, "NFS: find_dirent_index() returns %d\n", status);
+	return status;
+}
+
+/*
+ * Find the given page, and call find_dirent() or find_dirent_index in
+ * order to try to return the next entry.
  */
 static inline
 int find_dirent_page(nfs_readdir_descriptor_t *desc)
@@ -253,7 +315,10 @@ int find_dirent_page(nfs_readdir_descriptor_t *desc)
 	/* NOTE: Someone else may have changed the READDIRPLUS flag */
 	desc->page = page;
 	desc->ptr = kmap(page);		/* matching kunmap in nfs_do_filldir */
-	status = find_dirent(desc, page);
+	if (*desc->dir_cookie != 0)
+		status = find_dirent(desc);
+	else
+		status = find_dirent_index(desc);
 	if (status < 0)
 		dir_page_release(desc);
  out:
@@ -268,7 +333,8 @@ int find_dirent_page(nfs_readdir_descriptor_t *desc)
  * Recurse through the page cache pages, and return a
  * filled nfs_entry structure of the next directory entry if possible.
  *
- * The target for the search is 'desc->target'.
+ * The target for the search is '*desc->dir_cookie' if non-0,
+ * 'desc->file->f_pos' otherwise
  */
 static inline
 int readdir_search_pagecache(nfs_readdir_descriptor_t *desc)
@@ -276,7 +342,16 @@ int readdir_search_pagecache(nfs_readdir_descriptor_t *desc)
 	int		loop_count = 0;
 	int		res;
 
-	dfprintk(VFS, "NFS: readdir_search_pagecache() searching for cookie %Lu\n", (long long)desc->target);
+	/* Always search-by-index from the beginning of the cache */
+	if (*desc->dir_cookie == 0) {
+		dfprintk(VFS, "NFS: readdir_search_pagecache() searching for offset %Ld\n", (long long)desc->file->f_pos);
+		desc->page_index = 0;
+		desc->entry->cookie = desc->entry->prev_cookie = 0;
+		desc->entry->eof = 0;
+		desc->current_index = 0;
+	} else
+		dfprintk(VFS, "NFS: readdir_search_pagecache() searching for cookie %Lu\n", (unsigned long long)*desc->dir_cookie);
+
 	for (;;) {
 		res = find_dirent_page(desc);
 		if (res != -EAGAIN)
@@ -313,7 +388,7 @@ int nfs_do_filldir(nfs_readdir_descriptor_t *desc, void *dirent,
 	int		loop_count = 0,
 			res;
 
-	dfprintk(VFS, "NFS: nfs_do_filldir() filling starting @ cookie %Lu\n", (long long)desc->target);
+	dfprintk(VFS, "NFS: nfs_do_filldir() filling starting @ cookie %Lu\n", (long long)entry->cookie);
 
 	for(;;) {
 		unsigned d_type = DT_UNKNOWN;
@@ -333,10 +408,11 @@ int nfs_do_filldir(nfs_readdir_descriptor_t *desc, void *dirent,
 		}
 
 		res = filldir(dirent, entry->name, entry->len, 
-			      entry->prev_cookie, fileid, d_type);
+			      file->f_pos, fileid, d_type);
 		if (res < 0)
 			break;
-		file->f_pos = desc->target = entry->cookie;
+		file->f_pos++;
+		*desc->dir_cookie = entry->cookie;
 		if (dir_decode(desc) != 0) {
 			desc->page_index ++;
 			break;
@@ -349,7 +425,7 @@ int nfs_do_filldir(nfs_readdir_descriptor_t *desc, void *dirent,
 	dir_page_release(desc);
 	if (dentry != NULL)
 		dput(dentry);
-	dfprintk(VFS, "NFS: nfs_do_filldir() filling ended @ cookie %Lu; returning = %d\n", (long long)desc->target, res);
+	dfprintk(VFS, "NFS: nfs_do_filldir() filling ended @ cookie %Lu; returning = %d\n", (unsigned long long)*desc->dir_cookie, res);
 	return res;
 }
 
@@ -375,14 +451,14 @@ int uncached_readdir(nfs_readdir_descriptor_t *desc, void *dirent,
 	struct page	*page = NULL;
 	int		status;
 
-	dfprintk(VFS, "NFS: uncached_readdir() searching for cookie %Lu\n", (long long)desc->target);
+	dfprintk(VFS, "NFS: uncached_readdir() searching for cookie %Lu\n", (unsigned long long)*desc->dir_cookie);
 
 	page = alloc_page(GFP_HIGHUSER);
 	if (!page) {
 		status = -ENOMEM;
 		goto out;
 	}
-	desc->error = NFS_PROTO(inode)->readdir(file->f_dentry, cred, desc->target,
+	desc->error = NFS_PROTO(inode)->readdir(file->f_dentry, cred, *desc->dir_cookie,
 						page,
 						NFS_SERVER(inode)->dtsize,
 						desc->plus);
@@ -391,7 +467,7 @@ int uncached_readdir(nfs_readdir_descriptor_t *desc, void *dirent,
 	desc->ptr = kmap(page);		/* matching kunmap in nfs_do_filldir */
 	if (desc->error >= 0) {
 		if ((status = dir_decode(desc)) == 0)
-			desc->entry->prev_cookie = desc->target;
+			desc->entry->prev_cookie = *desc->dir_cookie;
 	} else
 		status = -EIO;
 	if (status < 0)
@@ -412,8 +488,9 @@ int uncached_readdir(nfs_readdir_descriptor_t *desc, void *dirent,
 	goto out;
 }
 
-/* The file offset position is now represented as a true offset into the
- * page cache as is the case in most of the other filesystems.
+/* The file offset position represents the dirent entry number.  A
+   last cookie cache takes care of the common case of reading the
+   whole directory.
  */
 static int nfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
 {
@@ -435,15 +512,15 @@ static int nfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
 	}
 
 	/*
-	 * filp->f_pos points to the file offset in the page cache.
-	 * but if the cache has meanwhile been zapped, we need to
-	 * read from the last dirent to revalidate f_pos
-	 * itself.
+	 * filp->f_pos points to the dirent entry number.
+	 * *desc->dir_cookie has the cookie for the next entry. We have
+	 * to either find the entry with the appropriate number or
+	 * revalidate the cookie.
 	 */
 	memset(desc, 0, sizeof(*desc));
 
 	desc->file = filp;
-	desc->target = filp->f_pos;
+	desc->dir_cookie = &((struct nfs_open_context *)filp->private_data)->dir_cookie;
 	desc->decode = NFS_PROTO(inode)->decode_dirent;
 	desc->plus = NFS_USE_READDIRPLUS(inode);
 
@@ -455,9 +532,10 @@ static int nfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
 
 	while(!desc->entry->eof) {
 		res = readdir_search_pagecache(desc);
+
 		if (res == -EBADCOOKIE) {
 			/* This means either end of directory */
-			if (desc->entry->cookie != desc->target) {
+			if (*desc->dir_cookie && desc->entry->cookie != *desc->dir_cookie) {
 				/* Or that the server has 'lost' a cookie */
 				res = uncached_readdir(desc, dirent, filldir);
 				if (res >= 0)
@@ -490,6 +568,28 @@ static int nfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
 	return 0;
 }
 
+loff_t nfs_llseek_dir(struct file *filp, loff_t offset, int origin)
+{
+	down(&filp->f_dentry->d_inode->i_sem);
+	switch (origin) {
+		case 1:
+			offset += filp->f_pos;
+		case 0:
+			if (offset >= 0)
+				break;
+		default:
+			offset = -EINVAL;
+			goto out;
+	}
+	if (offset != filp->f_pos) {
+		filp->f_pos = offset;
+		((struct nfs_open_context *)filp->private_data)->dir_cookie = 0;
+	}
+out:
+	up(&filp->f_dentry->d_inode->i_sem);
+	return offset;
+}
+
 /*
  * All directory operations under NFS are synchronous, so fsync()
  * is a dummy operation.

fs/nfs/direct.c

@@ -517,7 +517,7 @@ retry:
 	result = tot_bytes;
 
 out:
-	nfs_end_data_update_defer(inode);
+	nfs_end_data_update(inode);
 	nfs_writedata_free(wdata);
 	return result;
 

fs/nfs/file.c

@@ -71,6 +71,18 @@ struct inode_operations nfs_file_inode_operations = {
 	.setattr	= nfs_setattr,
 };
 
+#ifdef CONFIG_NFS_V3
+struct inode_operations nfs3_file_inode_operations = {
+	.permission	= nfs_permission,
+	.getattr	= nfs_getattr,
+	.setattr	= nfs_setattr,
+	.listxattr	= nfs3_listxattr,
+	.getxattr	= nfs3_getxattr,
+	.setxattr	= nfs3_setxattr,
+	.removexattr	= nfs3_removexattr,
+};
+#endif  /* CONFIG_NFS_v3 */
+
 /* Hack for future NFS swap support */
 #ifndef IS_SWAPFILE
 # define IS_SWAPFILE(inode)	(0)
@@ -115,6 +127,21 @@ nfs_file_release(struct inode *inode, struct file *filp)
 	return NFS_PROTO(inode)->file_release(inode, filp);
 }
 
+/**
+ * nfs_revalidate_file - Revalidate the page cache & related metadata
+ * @inode - pointer to inode struct
+ * @file - pointer to file
+ */
+static int nfs_revalidate_file(struct inode *inode, struct file *filp)
+{
+	int retval = 0;
+
+	if ((NFS_FLAGS(inode) & NFS_INO_REVAL_PAGECACHE) || nfs_attribute_timeout(inode))
+		retval = __nfs_revalidate_inode(NFS_SERVER(inode), inode);
+	nfs_revalidate_mapping(inode, filp->f_mapping);
+	return 0;
+}
+
 /**
  * nfs_revalidate_size - Revalidate the file size
  * @inode - pointer to inode struct
@@ -137,7 +164,8 @@ static int nfs_revalidate_file_size(struct inode *inode, struct file *filp)
 		goto force_reval;
 	if (nfsi->npages != 0)
 		return 0;
-	return nfs_revalidate_inode(server, inode);
+	if (!(NFS_FLAGS(inode) & NFS_INO_REVAL_PAGECACHE) && !nfs_attribute_timeout(inode))
+		return 0;
 force_reval:
 	return __nfs_revalidate_inode(server, inode);
 }
@@ -198,7 +226,7 @@ nfs_file_read(struct kiocb *iocb, char __user * buf, size_t count, loff_t pos)
 		dentry->d_parent->d_name.name, dentry->d_name.name,
 		(unsigned long) count, (unsigned long) pos);
 
-	result = nfs_revalidate_inode(NFS_SERVER(inode), inode);
+	result = nfs_revalidate_file(inode, iocb->ki_filp);
 	if (!result)
 		result = generic_file_aio_read(iocb, buf, count, pos);
 	return result;
@@ -216,7 +244,7 @@ nfs_file_sendfile(struct file *filp, loff_t *ppos, size_t count,
 		dentry->d_parent->d_name.name, dentry->d_name.name,
 		(unsigned long) count, (unsigned long long) *ppos);
 
-	res = nfs_revalidate_inode(NFS_SERVER(inode), inode);
+	res = nfs_revalidate_file(inode, filp);
 	if (!res)
 		res = generic_file_sendfile(filp, ppos, count, actor, target);
 	return res;
@@ -232,7 +260,7 @@ nfs_file_mmap(struct file * file, struct vm_area_struct * vma)
 	dfprintk(VFS, "nfs: mmap(%s/%s)\n",
 		dentry->d_parent->d_name.name, dentry->d_name.name);
 
-	status = nfs_revalidate_inode(NFS_SERVER(inode), inode);
+	status = nfs_revalidate_file(inode, file);
 	if (!status)
 		status = generic_file_mmap(file, vma);
 	return status;
@@ -321,9 +349,15 @@ nfs_file_write(struct kiocb *iocb, const char __user *buf, size_t count, loff_t
 	result = -EBUSY;
 	if (IS_SWAPFILE(inode))
 		goto out_swapfile;
-	result = nfs_revalidate_inode(NFS_SERVER(inode), inode);
-	if (result)
-		goto out;
+	/*
+	 * O_APPEND implies that we must revalidate the file length.
+	 */
+	if (iocb->ki_filp->f_flags & O_APPEND) {
+		result = nfs_revalidate_file_size(inode, iocb->ki_filp);
+		if (result)
+			goto out;
+	}
+	nfs_revalidate_mapping(inode, iocb->ki_filp->f_mapping);
 
 	result = count;
 	if (!count)

fs/nfs/idmap.c

@@ -50,6 +50,7 @@
 #include <linux/nfs_fs.h>
 
 #include <linux/nfs_idmap.h>
+#include "nfs4_fs.h"
 
 #define IDMAP_HASH_SZ          128
 

fs/nfs/mount_clnt.c

@@ -80,9 +80,7 @@ mnt_create(char *hostname, struct sockaddr_in *srvaddr, int version,
 	clnt = rpc_create_client(xprt, hostname,
 				&mnt_program, version,
 				RPC_AUTH_UNIX);
-	if (IS_ERR(clnt)) {
-		xprt_destroy(xprt);
-	} else {
+	if (!IS_ERR(clnt)) {
 		clnt->cl_softrtry = 1;
 		clnt->cl_chatty   = 1;
 		clnt->cl_oneshot  = 1;

fs/nfs/nfs3acl.c

+#include <linux/fs.h>
+#include <linux/nfs.h>
+#include <linux/nfs3.h>
+#include <linux/nfs_fs.h>
+#include <linux/xattr_acl.h>
+#include <linux/nfsacl.h>
+
+#define NFSDBG_FACILITY	NFSDBG_PROC
+
+ssize_t nfs3_listxattr(struct dentry *dentry, char *buffer, size_t size)
+{
+	struct inode *inode = dentry->d_inode;
+	struct posix_acl *acl;
+	int pos=0, len=0;
+
+#	define output(s) do {						\
+			if (pos + sizeof(s) <= size) {			\
+				memcpy(buffer + pos, s, sizeof(s));	\
+				pos += sizeof(s);			\
+			}						\
+			len += sizeof(s);				\
+		} while(0)
+
+	acl = nfs3_proc_getacl(inode, ACL_TYPE_ACCESS);
+	if (IS_ERR(acl))
+		return PTR_ERR(acl);
+	if (acl) {
+		output("system.posix_acl_access");
+		posix_acl_release(acl);
+	}
+
+	if (S_ISDIR(inode->i_mode)) {
+		acl = nfs3_proc_getacl(inode, ACL_TYPE_DEFAULT);
+		if (IS_ERR(acl))
+			return PTR_ERR(acl);
+		if (acl) {
+			output("system.posix_acl_default");
+			posix_acl_release(acl);
+		}
+	}
+
+#	undef output
+
+	if (!buffer || len <= size)
+		return len;
+	return -ERANGE;
+}
+
+ssize_t nfs3_getxattr(struct dentry *dentry, const char *name,
+		void *buffer, size_t size)
+{
+	struct inode *inode = dentry->d_inode;
+	struct posix_acl *acl;
+	int type, error = 0;
+
+	if (strcmp(name, XATTR_NAME_ACL_ACCESS) == 0)
+		type = ACL_TYPE_ACCESS;
+	else if (strcmp(name, XATTR_NAME_ACL_DEFAULT) == 0)
+		type = ACL_TYPE_DEFAULT;
+	else
+		return -EOPNOTSUPP;
+
+	acl = nfs3_proc_getacl(inode, type);
+	if (IS_ERR(acl))
+		return PTR_ERR(acl);
+	else if (acl) {
+		if (type == ACL_TYPE_ACCESS && acl->a_count == 0)
+			error = -ENODATA;
+		else
+			error = posix_acl_to_xattr(acl, buffer, size);
+		posix_acl_release(acl);
+	} else
+		error = -ENODATA;
+
+	return error;
+}
+
+int nfs3_setxattr(struct dentry *dentry, const char *name,
+	     const void *value, size_t size, int flags)
+{
+	struct inode *inode = dentry->d_inode;
+	struct posix_acl *acl;
+	int type, error;
+
+	if (strcmp(name, XATTR_NAME_ACL_ACCESS) == 0)
+		type = ACL_TYPE_ACCESS;
+	else if (strcmp(name, XATTR_NAME_ACL_DEFAULT) == 0)
+		type = ACL_TYPE_DEFAULT;
+	else
+		return -EOPNOTSUPP;
+
+	acl = posix_acl_from_xattr(value, size);
+	if (IS_ERR(acl))
+		return PTR_ERR(acl);
+	error = nfs3_proc_setacl(inode, type, acl);
+	posix_acl_release(acl);
+
+	return error;
+}
+
+int nfs3_removexattr(struct dentry *dentry, const char *name)
+{
+	struct inode *inode = dentry->d_inode;
+	int type;
+
+	if (strcmp(name, XATTR_NAME_ACL_ACCESS) == 0)
+		type = ACL_TYPE_ACCESS;
+	else if (strcmp(name, XATTR_NAME_ACL_DEFAULT) == 0)
+		type = ACL_TYPE_DEFAULT;
+	else
+		return -EOPNOTSUPP;
+
+	return nfs3_proc_setacl(inode, type, NULL);
+}
+
+static void __nfs3_forget_cached_acls(struct nfs_inode *nfsi)
+{
+	if (!IS_ERR(nfsi->acl_access)) {
+		posix_acl_release(nfsi->acl_access);
+		nfsi->acl_access = ERR_PTR(-EAGAIN);
+	}
+	if (!IS_ERR(nfsi->acl_default)) {
+		posix_acl_release(nfsi->acl_default);
+		nfsi->acl_default = ERR_PTR(-EAGAIN);
+	}
+}
+
+void nfs3_forget_cached_acls(struct inode *inode)
+{
+	dprintk("NFS: nfs3_forget_cached_acls(%s/%ld)\n", inode->i_sb->s_id,
+		inode->i_ino);
+	spin_lock(&inode->i_lock);
+	__nfs3_forget_cached_acls(NFS_I(inode));
+	spin_unlock(&inode->i_lock);
+}
+
+static struct posix_acl *nfs3_get_cached_acl(struct inode *inode, int type)
+{
+	struct nfs_inode *nfsi = NFS_I(inode);
+	struct posix_acl *acl = ERR_PTR(-EINVAL);
+
+	spin_lock(&inode->i_lock);
+	switch(type) {
+		case ACL_TYPE_ACCESS:
+			acl = nfsi->acl_access;
+			break;
+
+		case ACL_TYPE_DEFAULT:
+			acl = nfsi->acl_default;
+			break;
+
+		default:
+			goto out;
+	}
+	if (IS_ERR(acl))
+		acl = ERR_PTR(-EAGAIN);
+	else
+		acl = posix_acl_dup(acl);
+out:
+	spin_unlock(&inode->i_lock);
+	dprintk("NFS: nfs3_get_cached_acl(%s/%ld, %d) = %p\n", inode->i_sb->s_id,
+		inode->i_ino, type, acl);
+	return acl;
+}
+
+static void nfs3_cache_acls(struct inode *inode, struct posix_acl *acl,
+		    struct posix_acl *dfacl)
+{
+	struct nfs_inode *nfsi = NFS_I(inode);
+
+	dprintk("nfs3_cache_acls(%s/%ld, %p, %p)\n", inode->i_sb->s_id,
+		inode->i_ino, acl, dfacl);
+	spin_lock(&inode->i_lock);
+	__nfs3_forget_cached_acls(NFS_I(inode));
+	nfsi->acl_access = posix_acl_dup(acl);
+	nfsi->acl_default = posix_acl_dup(dfacl);
+	spin_unlock(&inode->i_lock);
+}
+
+struct posix_acl *nfs3_proc_getacl(struct inode *inode, int type)
+{
+	struct nfs_server *server = NFS_SERVER(inode);
+	struct nfs_fattr fattr;
+	struct page *pages[NFSACL_MAXPAGES] = { };
+	struct nfs3_getaclargs args = {
+		.fh = NFS_FH(inode),
+		/* The xdr layer may allocate pages here. */
+		.pages = pages,
+	};
+	struct nfs3_getaclres res = {
+		.fattr =	&fattr,
+	};
+	struct posix_acl *acl;
+	int status, count;
+
+	if (!nfs_server_capable(inode, NFS_CAP_ACLS))
+		return ERR_PTR(-EOPNOTSUPP);
+
+	status = nfs_revalidate_inode(server, inode);
+	if (status < 0)
+		return ERR_PTR(status);
+	acl = nfs3_get_cached_acl(inode, type);
+	if (acl != ERR_PTR(-EAGAIN))
+		return acl;
+	acl = NULL;
+
+	/*
+	 * Only get the access acl when explicitly requested: We don't
+	 * need it for access decisions, and only some applications use
+	 * it. Applications which request the access acl first are not
+	 * penalized from this optimization.
+	 */
+	if (type == ACL_TYPE_ACCESS)
+		args.mask |= NFS_ACLCNT|NFS_ACL;
+	if (S_ISDIR(inode->i_mode))
+		args.mask |= NFS_DFACLCNT|NFS_DFACL;
+	if (args.mask == 0)
+		return NULL;
+
+	dprintk("NFS call getacl\n");
+	status = rpc_call(server->client_acl, ACLPROC3_GETACL,
+			  &args, &res, 0);
+	dprintk("NFS reply getacl: %d\n", status);
+
+	/* pages may have been allocated at the xdr layer. */
+	for (count = 0; count < NFSACL_MAXPAGES && args.pages[count]; count++)
+		__free_page(args.pages[count]);
+
+	switch (status) {
+		case 0:
+			status = nfs_refresh_inode(inode, &fattr);
+			break;
+		case -EPFNOSUPPORT:
+		case -EPROTONOSUPPORT:
+			dprintk("NFS_V3_ACL extension not supported; disabling\n");
+			server->caps &= ~NFS_CAP_ACLS;
+		case -ENOTSUPP:
+			status = -EOPNOTSUPP;
+		default:
+			goto getout;
+	}
+	if ((args.mask & res.mask) != args.mask) {
+		status = -EIO;
+		goto getout;
+	}
+
+	if (res.acl_access != NULL) {
+		if (posix_acl_equiv_mode(res.acl_access, NULL) == 0) {
+			posix_acl_release(res.acl_access);
+			res.acl_access = NULL;
+		}
+	}
+	nfs3_cache_acls(inode, res.acl_access, res.acl_default);
+
+	switch(type) {
+		case ACL_TYPE_ACCESS:
+			acl = res.acl_access;
+			res.acl_access = NULL;
+			break;
+
+		case ACL_TYPE_DEFAULT:
+			acl = res.acl_default;
+			res.acl_default = NULL;
+	}
+
+getout:
+	posix_acl_release(res.acl_access);
+	posix_acl_release(res.acl_default);
+
+	if (status != 0) {
+		posix_acl_release(acl);
+		acl = ERR_PTR(status);
+	}
+	return acl;
+}
+
+static int nfs3_proc_setacls(struct inode *inode, struct posix_acl *acl,
+		  struct posix_acl *dfacl)
+{
+	struct nfs_server *server = NFS_SERVER(inode);
+	struct nfs_fattr fattr;
+	struct page *pages[NFSACL_MAXPAGES] = { };
+	struct nfs3_setaclargs args = {
+		.inode = inode,
+		.mask = NFS_ACL,
+		.acl_access = acl,
+		.pages = pages,
+	};
+	int status, count;
+
+	status = -EOPNOTSUPP;
+	if (!nfs_server_capable(inode, NFS_CAP_ACLS))
+		goto out;
+
+	/* We are doing this here, because XDR marshalling can only
+	   return -ENOMEM. */
+	status = -ENOSPC;
+	if (acl != NULL && acl->a_count > NFS_ACL_MAX_ENTRIES)
+		goto out;
+	if (dfacl != NULL && dfacl->a_count > NFS_ACL_MAX_ENTRIES)
+		goto out;
+	if (S_ISDIR(inode->i_mode)) {
+		args.mask |= NFS_DFACL;
+		args.acl_default = dfacl;
+	}
+
+	dprintk("NFS call setacl\n");
+	nfs_begin_data_update(inode);
+	status = rpc_call(server->client_acl, ACLPROC3_SETACL,
+			  &args, &fattr, 0);
+	NFS_FLAGS(inode) |= NFS_INO_INVALID_ACCESS;
+	nfs_end_data_update(inode);
+	dprintk("NFS reply setacl: %d\n", status);
+
+	/* pages may have been allocated at the xdr layer. */
+	for (count = 0; count < NFSACL_MAXPAGES && args.pages[count]; count++)
+		__free_page(args.pages[count]);
+
+	switch (status) {
+		case 0:
+			status = nfs_refresh_inode(inode, &fattr);
+			break;
+		case -EPFNOSUPPORT:
+		case -EPROTONOSUPPORT:
+			dprintk("NFS_V3_ACL SETACL RPC not supported"
+					"(will not retry)\n");
+			server->caps &= ~NFS_CAP_ACLS;
+		case -ENOTSUPP:
+			status = -EOPNOTSUPP;
+	}
+out:
+	return status;
+}
+
+int nfs3_proc_setacl(struct inode *inode, int type, struct posix_acl *acl)
+{
+	struct posix_acl *alloc = NULL, *dfacl = NULL;
+	int status;
+
+	if (S_ISDIR(inode->i_mode)) {
+		switch(type) {
+			case ACL_TYPE_ACCESS:
+				alloc = dfacl = nfs3_proc_getacl(inode,
+						ACL_TYPE_DEFAULT);
+				if (IS_ERR(alloc))
+					goto fail;
+				break;
+
+			case ACL_TYPE_DEFAULT:
+				dfacl = acl;
+				alloc = acl = nfs3_proc_getacl(inode,
+						ACL_TYPE_ACCESS);
+				if (IS_ERR(alloc))
+					goto fail;
+				break;
+
+			default:
+				return -EINVAL;
+		}
+	} else if (type != ACL_TYPE_ACCESS)
+			return -EINVAL;
+
+	if (acl == NULL) {
+		alloc = acl = posix_acl_from_mode(inode->i_mode, GFP_KERNEL);
+		if (IS_ERR(alloc))
+			goto fail;
+	}
+	status = nfs3_proc_setacls(inode, acl, dfacl);
+	posix_acl_release(alloc);
+	return status;
+
+fail:
+	return PTR_ERR(alloc);
+}
+
+int nfs3_proc_set_default_acl(struct inode *dir, struct inode *inode,
+		mode_t mode)
+{
+	struct posix_acl *dfacl, *acl;
+	int error = 0;
+
+	dfacl = nfs3_proc_getacl(dir, ACL_TYPE_DEFAULT);
+	if (IS_ERR(dfacl)) {
+		error = PTR_ERR(dfacl);
+		return (error == -EOPNOTSUPP) ? 0 : error;
+	}
+	if (!dfacl)
+		return 0;
+	acl = posix_acl_clone(dfacl, GFP_KERNEL);
+	error = -ENOMEM;
+	if (!acl)
+		goto out_release_dfacl;
+	error = posix_acl_create_masq(acl, &mode);
+	if (error < 0)
+		goto out_release_acl;
+	error = nfs3_proc_setacls(inode, acl, S_ISDIR(inode->i_mode) ?
+						      dfacl : NULL);
+out_release_acl:
+	posix_acl_release(acl);
+out_release_dfacl:
+	posix_acl_release(dfacl);
+	return error;
+}

fs/nfs/nfs3proc.c

@@ -17,6 +17,7 @@
 #include <linux/nfs_page.h>
 #include <linux/lockd/bind.h>
 #include <linux/smp_lock.h>
+#include <linux/nfs_mount.h>
 
 #define NFSDBG_FACILITY		NFSDBG_PROC
 
@@ -45,7 +46,7 @@ static inline int
 nfs3_rpc_call_wrapper(struct rpc_clnt *clnt, u32 proc, void *argp, void *resp, int flags)
 {
 	struct rpc_message msg = {
-		.rpc_proc	= &nfs3_procedures[proc],
+		.rpc_proc	= &clnt->cl_procinfo[proc],
 		.rpc_argp	= argp,
 		.rpc_resp	= resp,
 	};
@@ -313,7 +314,8 @@ nfs3_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
 		.fh		= &fhandle,
 		.fattr		= &fattr
 	};
-	int			status;
+	mode_t mode = sattr->ia_mode;
+	int status;
 
 	dprintk("NFS call  create %s\n", dentry->d_name.name);
 	arg.createmode = NFS3_CREATE_UNCHECKED;
@@ -323,6 +325,8 @@ nfs3_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
 		arg.verifier[1] = current->pid;
 	}
 
+	sattr->ia_mode &= ~current->fs->umask;
+
 again:
 	dir_attr.valid = 0;
 	fattr.valid = 0;
@@ -369,6 +373,9 @@ again:
 		nfs_refresh_inode(dentry->d_inode, &fattr);
 		dprintk("NFS reply setattr (post-create): %d\n", status);
 	}
+	if (status != 0)
+		goto out;
+	status = nfs3_proc_set_default_acl(dir, dentry->d_inode, mode);
 out:
 	dprintk("NFS reply create: %d\n", status);
 	return status;
@@ -538,15 +545,24 @@ nfs3_proc_mkdir(struct inode *dir, struct dentry *dentry, struct iattr *sattr)
 		.fh		= &fhandle,
 		.fattr		= &fattr
 	};
-	int			status;
+	int mode = sattr->ia_mode;
+	int status;
 
 	dprintk("NFS call  mkdir %s\n", dentry->d_name.name);
 	dir_attr.valid = 0;
 	fattr.valid = 0;
+
+	sattr->ia_mode &= ~current->fs->umask;
+
 	status = rpc_call(NFS_CLIENT(dir), NFS3PROC_MKDIR, &arg, &res, 0);
 	nfs_refresh_inode(dir, &dir_attr);
-	if (status == 0)
-		status = nfs_instantiate(dentry, &fhandle, &fattr);
+	if (status != 0)
+		goto out;
+	status = nfs_instantiate(dentry, &fhandle, &fattr);
+	if (status != 0)
+		goto out;
+	status = nfs3_proc_set_default_acl(dir, dentry->d_inode, mode);
+out:
 	dprintk("NFS reply mkdir: %d\n", status);
 	return status;
 }
@@ -641,6 +657,7 @@ nfs3_proc_mknod(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
 		.fh		= &fh,
 		.fattr		= &fattr
 	};
+	mode_t mode = sattr->ia_mode;
 	int status;
 
 	switch (sattr->ia_mode & S_IFMT) {
@@ -653,12 +670,20 @@ nfs3_proc_mknod(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
 
 	dprintk("NFS call  mknod %s %u:%u\n", dentry->d_name.name,
 			MAJOR(rdev), MINOR(rdev));
+
+	sattr->ia_mode &= ~current->fs->umask;
+
 	dir_attr.valid = 0;
 	fattr.valid = 0;
 	status = rpc_call(NFS_CLIENT(dir), NFS3PROC_MKNOD, &arg, &res, 0);
 	nfs_refresh_inode(dir, &dir_attr);
-	if (status == 0)
-		status = nfs_instantiate(dentry, &fh, &fattr);
+	if (status != 0)
+		goto out;
+	status = nfs_instantiate(dentry, &fh, &fattr);
+	if (status != 0)
+		goto out;
+	status = nfs3_proc_set_default_acl(dir, dentry->d_inode, mode);
+out:
 	dprintk("NFS reply mknod: %d\n", status);
 	return status;
 }
@@ -825,7 +850,8 @@ nfs3_proc_lock(struct file *filp, int cmd, struct file_lock *fl)
 struct nfs_rpc_ops	nfs_v3_clientops = {
 	.version	= 3,			/* protocol version */
 	.dentry_ops	= &nfs_dentry_operations,
-	.dir_inode_ops	= &nfs_dir_inode_operations,
+	.dir_inode_ops	= &nfs3_dir_inode_operations,
+	.file_inode_ops	= &nfs3_file_inode_operations,
 	.getroot	= nfs3_proc_get_root,
 	.getattr	= nfs3_proc_getattr,
 	.setattr	= nfs3_proc_setattr,
@@ -856,4 +882,5 @@ struct nfs_rpc_ops	nfs_v3_clientops = {
 	.file_open	= nfs_open,
 	.file_release	= nfs_release,
 	.lock		= nfs3_proc_lock,
+	.clear_acl_cache = nfs3_forget_cached_acls,
 };