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-rw-r--r--fs/9p/fid.c176
-rw-r--r--fs/9p/fid.h7
-rw-r--r--fs/9p/vfs_dentry.c2
-rw-r--r--fs/9p/vfs_dir.c11
-rw-r--r--fs/9p/vfs_file.c88
-rw-r--r--fs/9p/vfs_inode.c91
-rw-r--r--fs/9p/vfs_super.c21
7 files changed, 200 insertions, 196 deletions
diff --git a/fs/9p/fid.c b/fs/9p/fid.c
index 821c9c4d76aa..d95f8626d170 100644
--- a/fs/9p/fid.c
+++ b/fs/9p/fid.c
@@ -71,21 +71,28 @@ static int v9fs_fid_insert(struct v9fs_fid *fid, struct dentry *dentry)
  *
  */
 
-struct v9fs_fid *v9fs_fid_create(struct dentry *dentry)
+struct v9fs_fid *v9fs_fid_create(struct dentry *dentry,
+	struct v9fs_session_info *v9ses, int fid, int create)
 {
 	struct v9fs_fid *new;
 
+	dprintk(DEBUG_9P, "fid create dentry %p, fid %d, create %d\n",
+		dentry, fid, create);
+
 	new = kmalloc(sizeof(struct v9fs_fid), GFP_KERNEL);
 	if (new == NULL) {
 		dprintk(DEBUG_ERROR, "Out of Memory\n");
 		return ERR_PTR(-ENOMEM);
 	}
 
-	new->fid = -1;
+	new->fid = fid;
+	new->v9ses = v9ses;
 	new->fidopen = 0;
-	new->fidcreate = 0;
+	new->fidcreate = create;
 	new->fidclunked = 0;
 	new->iounit = 0;
+	new->rdir_pos = 0;
+	new->rdir_fcall = NULL;
 
 	if (v9fs_fid_insert(new, dentry) == 0)
 		return new;
@@ -109,6 +116,59 @@ void v9fs_fid_destroy(struct v9fs_fid *fid)
 }
 
 /**
+ * v9fs_fid_walk_up - walks from the process current directory
+ * 	up to the specified dentry.
+ */
+static struct v9fs_fid *v9fs_fid_walk_up(struct dentry *dentry)
+{
+	int fidnum, cfidnum, err;
+	struct v9fs_fid *cfid;
+	struct dentry *cde;
+	struct v9fs_session_info *v9ses;
+
+	v9ses = v9fs_inode2v9ses(current->fs->pwd->d_inode);
+	cfid = v9fs_fid_lookup(current->fs->pwd);
+	if (cfid == NULL) {
+		dprintk(DEBUG_ERROR, "process cwd doesn't have a fid\n");
+		return ERR_PTR(-ENOENT);
+	}
+
+	cfidnum = cfid->fid;
+	cde = current->fs->pwd;
+	/* TODO: take advantage of multiwalk */
+
+	fidnum = v9fs_get_idpool(&v9ses->fidpool);
+	if (fidnum < 0) {
+		dprintk(DEBUG_ERROR, "could not get a new fid num\n");
+		err = -ENOENT;
+		goto clunk_fid;
+	}
+
+	while (cde != dentry) {
+		if (cde == cde->d_parent) {
+			dprintk(DEBUG_ERROR, "can't find dentry\n");
+			err = -ENOENT;
+			goto clunk_fid;
+		}
+
+		err = v9fs_t_walk(v9ses, cfidnum, fidnum, "..", NULL);
+		if (err < 0) {
+			dprintk(DEBUG_ERROR, "problem walking to parent\n");
+			goto clunk_fid;
+		}
+
+		cfidnum = fidnum;
+		cde = cde->d_parent;
+	}
+
+	return v9fs_fid_create(dentry, v9ses, fidnum, 0);
+
+clunk_fid:
+	v9fs_t_clunk(v9ses, fidnum, NULL);
+	return ERR_PTR(err);
+}
+
+/**
  * v9fs_fid_lookup - retrieve the right fid from a  particular dentry
  * @dentry: dentry to look for fid in
  * @type: intent of lookup (operation or traversal)
@@ -119,49 +179,25 @@ void v9fs_fid_destroy(struct v9fs_fid *fid)
  *
  */
 
-struct v9fs_fid *v9fs_fid_lookup(struct dentry *dentry, int type)
+struct v9fs_fid *v9fs_fid_lookup(struct dentry *dentry)
 {
 	struct list_head *fid_list = (struct list_head *)dentry->d_fsdata;
 	struct v9fs_fid *current_fid = NULL;
 	struct v9fs_fid *temp = NULL;
 	struct v9fs_fid *return_fid = NULL;
-	int found_parent = 0;
-	int found_user = 0;
 
-	dprintk(DEBUG_9P, " dentry: %s (%p) type %d\n", dentry->d_iname, dentry,
-		type);
+	dprintk(DEBUG_9P, " dentry: %s (%p)\n", dentry->d_iname, dentry);
 
-	if (fid_list && !list_empty(fid_list)) {
+	if (fid_list) {
 		list_for_each_entry_safe(current_fid, temp, fid_list, list) {
-			if (current_fid->uid == current->uid) {
-				if (return_fid == NULL) {
-					if ((type == FID_OP)
-					    || (!current_fid->fidopen)) {
-						return_fid = current_fid;
-						found_user = 1;
-					}
-				}
-			}
-			if (current_fid->pid == current->real_parent->pid) {
-				if ((return_fid == NULL) || (found_parent)
-				    || (found_user)) {
-					if ((type == FID_OP)
-					    || (!current_fid->fidopen)) {
-						return_fid = current_fid;
-						found_parent = 1;
-						found_user = 0;
-					}
-				}
-			}
-			if (current_fid->pid == current->pid) {
-				if ((type == FID_OP) ||
-				    (!current_fid->fidopen)) {
-					return_fid = current_fid;
-					found_parent = 0;
-					found_user = 0;
-				}
+			if (!current_fid->fidcreate) {
+				return_fid = current_fid;
+				break;
 			}
 		}
+
+		if (!return_fid)
+			return_fid = current_fid;
 	}
 
 	/* we are at the root but didn't match */
@@ -187,55 +223,33 @@ struct v9fs_fid *v9fs_fid_lookup(struct dentry *dentry, int type)
 
 /* XXX - there may be some duplication we can get rid of */
 		if (par == dentry) {
-			/* we need to fid_lookup the starting point */
-			int fidnum = -1;
-			int oldfid = -1;
-			int result = -1;
-			struct v9fs_session_info *v9ses =
-			    v9fs_inode2v9ses(current->fs->pwd->d_inode);
-
-			current_fid =
-			    v9fs_fid_lookup(current->fs->pwd, FID_WALK);
-			if (current_fid == NULL) {
-				dprintk(DEBUG_ERROR,
-					"process cwd doesn't have a fid\n");
-				return return_fid;
-			}
-			oldfid = current_fid->fid;
-			par = current->fs->pwd;
-			/* TODO: take advantage of multiwalk */
+			return_fid = v9fs_fid_walk_up(dentry);
+			if (IS_ERR(return_fid))
+				return_fid = NULL;
+		}
+	}
 
-			fidnum = v9fs_get_idpool(&v9ses->fidpool);
-			if (fidnum < 0) {
-				dprintk(DEBUG_ERROR,
-					"could not get a new fid num\n");
-				return return_fid;
-			}
+	return return_fid;
+}
 
-			while (par != dentry) {
-				result =
-				    v9fs_t_walk(v9ses, oldfid, fidnum, "..",
-						NULL);
-				if (result < 0) {
-					dprintk(DEBUG_ERROR,
-						"problem walking to parent\n");
-
-					break;
-				}
-				oldfid = fidnum;
-				if (par == par->d_parent) {
-					dprintk(DEBUG_ERROR,
-						"can't find dentry\n");
-					break;
-				}
-				par = par->d_parent;
-			}
-			if (par == dentry) {
-				return_fid = v9fs_fid_create(dentry);
-				return_fid->fid = fidnum;
+struct v9fs_fid *v9fs_fid_get_created(struct dentry *dentry)
+{
+	struct list_head *fid_list;
+	struct v9fs_fid *fid, *ftmp, *ret;
+
+	dprintk(DEBUG_9P, " dentry: %s (%p)\n", dentry->d_iname, dentry);
+	fid_list = (struct list_head *)dentry->d_fsdata;
+	ret = NULL;
+	if (fid_list) {
+		list_for_each_entry_safe(fid, ftmp, fid_list, list) {
+			if (fid->fidcreate && fid->pid == current->pid) {
+				list_del(&fid->list);
+				ret = fid;
+				break;
 			}
 		}
 	}
 
-	return return_fid;
+	dprintk(DEBUG_9P, "return %p\n", ret);
+	return ret;
 }
diff --git a/fs/9p/fid.h b/fs/9p/fid.h
index 7db478ccca36..84c673a44c83 100644
--- a/fs/9p/fid.h
+++ b/fs/9p/fid.h
@@ -25,6 +25,7 @@
 
 #define FID_OP   0
 #define FID_WALK 1
+#define FID_CREATE 2
 
 struct v9fs_fid {
 	struct list_head list;	 /* list of fids associated with a dentry */
@@ -52,6 +53,8 @@ struct v9fs_fid {
 	struct v9fs_session_info *v9ses;	/* session info for this FID */
 };
 
-struct v9fs_fid *v9fs_fid_lookup(struct dentry *dentry, int type);
+struct v9fs_fid *v9fs_fid_lookup(struct dentry *dentry);
+struct v9fs_fid *v9fs_fid_get_created(struct dentry *);
 void v9fs_fid_destroy(struct v9fs_fid *fid);
-struct v9fs_fid *v9fs_fid_create(struct dentry *);
+struct v9fs_fid *v9fs_fid_create(struct dentry *,
+	struct v9fs_session_info *v9ses, int fid, int create);
diff --git a/fs/9p/vfs_dentry.c b/fs/9p/vfs_dentry.c
index 306c96741f81..a6aa947de0f9 100644
--- a/fs/9p/vfs_dentry.c
+++ b/fs/9p/vfs_dentry.c
@@ -67,7 +67,7 @@ static int v9fs_dentry_validate(struct dentry *dentry, struct nameidata *nd)
 	struct dentry *dc = current->fs->pwd;
 
 	dprintk(DEBUG_VFS, "dentry: %s (%p)\n", dentry->d_iname, dentry);
-	if (v9fs_fid_lookup(dentry, FID_OP)) {
+	if (v9fs_fid_lookup(dentry)) {
 		dprintk(DEBUG_VFS, "VALID\n");
 		return 1;
 	}
diff --git a/fs/9p/vfs_dir.c b/fs/9p/vfs_dir.c
index c478a7384186..57a43b8feef5 100644
--- a/fs/9p/vfs_dir.c
+++ b/fs/9p/vfs_dir.c
@@ -197,21 +197,18 @@ int v9fs_dir_release(struct inode *inode, struct file *filp)
 	filemap_fdatawait(inode->i_mapping);
 
 	if (fidnum >= 0) {
-		fid->fidopen--;
 		dprintk(DEBUG_VFS, "fidopen: %d v9f->fid: %d\n", fid->fidopen,
 			fid->fid);
 
-		if (fid->fidopen == 0) {
-			if (v9fs_t_clunk(v9ses, fidnum, NULL))
-				dprintk(DEBUG_ERROR, "clunk failed\n");
+		if (v9fs_t_clunk(v9ses, fidnum, NULL))
+			dprintk(DEBUG_ERROR, "clunk failed\n");
 
-			v9fs_put_idpool(fid->fid, &v9ses->fidpool);
-		}
+		v9fs_put_idpool(fid->fid, &v9ses->fidpool);
 
 		kfree(fid->rdir_fcall);
+		kfree(fid);
 
 		filp->private_data = NULL;
-		v9fs_fid_destroy(fid);
 	}
 
 	d_drop(filp->f_dentry);
diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index 1f8ae7d580ab..a4799e971d1c 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -53,30 +53,36 @@
 int v9fs_file_open(struct inode *inode, struct file *file)
 {
 	struct v9fs_session_info *v9ses = v9fs_inode2v9ses(inode);
-	struct v9fs_fid *v9fid = v9fs_fid_lookup(file->f_dentry, FID_WALK);
-	struct v9fs_fid *v9newfid = NULL;
+	struct v9fs_fid *v9fid, *fid;
 	struct v9fs_fcall *fcall = NULL;
 	int open_mode = 0;
 	unsigned int iounit = 0;
 	int newfid = -1;
 	long result = -1;
 
-	dprintk(DEBUG_VFS, "inode: %p file: %p v9fid= %p\n", inode, file,
-		v9fid);
+	dprintk(DEBUG_VFS, "inode: %p file: %p \n", inode, file);
+
+	v9fid = v9fs_fid_get_created(file->f_dentry);
+	if (!v9fid)
+		v9fid = v9fs_fid_lookup(file->f_dentry);
 
 	if (!v9fid) {
-		struct dentry *dentry = file->f_dentry;
 		dprintk(DEBUG_ERROR, "Couldn't resolve fid from dentry\n");
+		return -EBADF;
+	}
 
-		/* XXX - some duplication from lookup, generalize later */
-		/* basically vfs_lookup is too heavy weight */
-		v9fid = v9fs_fid_lookup(file->f_dentry, FID_OP);
-		if (!v9fid)
-			return -EBADF;
+	if (!v9fid->fidcreate) {
+		fid = kmalloc(sizeof(struct v9fs_fid), GFP_KERNEL);
+		if (fid == NULL) {
+			dprintk(DEBUG_ERROR, "Out of Memory\n");
+			return -ENOMEM;
+		}
 
-		v9fid = v9fs_fid_lookup(dentry->d_parent, FID_WALK);
-		if (!v9fid)
-			return -EBADF;
+		fid->fidopen = 0;
+		fid->fidcreate = 0;
+		fid->fidclunked = 0;
+		fid->iounit = 0;
+		fid->v9ses = v9ses;
 
 		newfid = v9fs_get_idpool(&v9ses->fidpool);
 		if (newfid < 0) {
@@ -85,58 +91,16 @@ int v9fs_file_open(struct inode *inode, struct file *file)
 		}
 
 		result =
-		    v9fs_t_walk(v9ses, v9fid->fid, newfid,
-				(char *)file->f_dentry->d_name.name, NULL);
+		    v9fs_t_walk(v9ses, v9fid->fid, newfid, NULL, NULL);
+
 		if (result < 0) {
 			v9fs_put_idpool(newfid, &v9ses->fidpool);
 			dprintk(DEBUG_ERROR, "rewalk didn't work\n");
 			return -EBADF;
 		}
 
-		v9fid = v9fs_fid_create(dentry);
-		if (v9fid == NULL) {
-			dprintk(DEBUG_ERROR, "couldn't insert\n");
-			return -ENOMEM;
-		}
-		v9fid->fid = newfid;
-	}
-
-	if (v9fid->fidcreate) {
-		/* create case */
-		newfid = v9fid->fid;
-		iounit = v9fid->iounit;
-		v9fid->fidcreate = 0;
-	} else {
-		if (!S_ISDIR(inode->i_mode))
-			newfid = v9fid->fid;
-		else {
-			newfid = v9fs_get_idpool(&v9ses->fidpool);
-			if (newfid < 0) {
-				eprintk(KERN_WARNING, "allocation failed\n");
-				return -ENOSPC;
-			}
-			/* This would be a somewhat critical clone */
-			result =
-			    v9fs_t_walk(v9ses, v9fid->fid, newfid, NULL,
-					&fcall);
-			if (result < 0) {
-				dprintk(DEBUG_ERROR, "clone error: %s\n",
-					FCALL_ERROR(fcall));
-				kfree(fcall);
-				return result;
-			}
-
-			v9newfid = v9fs_fid_create(file->f_dentry);
-			v9newfid->fid = newfid;
-			v9newfid->qid = v9fid->qid;
-			v9newfid->iounit = v9fid->iounit;
-			v9newfid->fidopen = 0;
-			v9newfid->fidclunked = 0;
-			v9newfid->v9ses = v9ses;
-			v9fid = v9newfid;
-			kfree(fcall);
-		}
-
+		fid->fid = newfid;
+		v9fid = fid;
 		/* TODO: do special things for O_EXCL, O_NOFOLLOW, O_SYNC */
 		/* translate open mode appropriately */
 		open_mode = file->f_flags & 0x3;
@@ -163,9 +127,13 @@ int v9fs_file_open(struct inode *inode, struct file *file)
 
 		iounit = fcall->params.ropen.iounit;
 		kfree(fcall);
+	} else {
+		/* create case */
+		newfid = v9fid->fid;
+		iounit = v9fid->iounit;
+		v9fid->fidcreate = 0;
 	}
 
-
 	file->private_data = v9fid;
 
 	v9fid->rdir_pos = 0;
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index b16322db5ce6..2b696ae6655a 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -307,7 +307,7 @@ v9fs_create(struct inode *dir,
 	struct v9fs_session_info *v9ses = v9fs_inode2v9ses(dir);
 	struct super_block *sb = dir->i_sb;
 	struct v9fs_fid *dirfid =
-	    v9fs_fid_lookup(file_dentry->d_parent, FID_WALK);
+	    v9fs_fid_lookup(file_dentry->d_parent);
 	struct v9fs_fid *fid = NULL;
 	struct inode *file_inode = NULL;
 	struct v9fs_fcall *fcall = NULL;
@@ -317,6 +317,7 @@ v9fs_create(struct inode *dir,
 	long newfid = -1;
 	int result = 0;
 	unsigned int iounit = 0;
+	int wfidno = -1;
 
 	perm = unixmode2p9mode(v9ses, perm);
 
@@ -350,7 +351,7 @@ v9fs_create(struct inode *dir,
 	if (result < 0) {
 		dprintk(DEBUG_ERROR, "clone error: %s\n", FCALL_ERROR(fcall));
 		v9fs_put_idpool(newfid, &v9ses->fidpool);
-		newfid = 0;
+		newfid = -1;
 		goto CleanUpFid;
 	}
 
@@ -369,20 +370,39 @@ v9fs_create(struct inode *dir,
 	qid = fcall->params.rcreate.qid;
 	kfree(fcall);
 
-	fid = v9fs_fid_create(file_dentry);
+	fid = v9fs_fid_create(file_dentry, v9ses, newfid, 1);
+	dprintk(DEBUG_VFS, "fid %p %d\n", fid, fid->fidcreate);
 	if (!fid) {
 		result = -ENOMEM;
 		goto CleanUpFid;
 	}
 
-	fid->fid = newfid;
-	fid->fidopen = 0;
-	fid->fidcreate = 1;
 	fid->qid = qid;
 	fid->iounit = iounit;
-	fid->rdir_pos = 0;
-	fid->rdir_fcall = NULL;
-	fid->v9ses = v9ses;
+
+	/* walk to the newly created file and put the fid in the dentry */
+	wfidno = v9fs_get_idpool(&v9ses->fidpool);
+	if (newfid < 0) {
+		eprintk(KERN_WARNING, "no free fids available\n");
+		return -ENOSPC;
+	}
+
+	result = v9fs_t_walk(v9ses, dirfidnum, wfidno,
+		(char *) file_dentry->d_name.name, NULL);
+	if (result < 0) {
+		dprintk(DEBUG_ERROR, "clone error: %s\n", FCALL_ERROR(fcall));
+		v9fs_put_idpool(wfidno, &v9ses->fidpool);
+		wfidno = -1;
+		goto CleanUpFid;
+	}
+
+	if (!v9fs_fid_create(file_dentry, v9ses, wfidno, 0)) {
+		if (!v9fs_t_clunk(v9ses, newfid, &fcall)) {
+			v9fs_put_idpool(wfidno, &v9ses->fidpool);
+		}
+
+		goto CleanUpFid;
+	}
 
 	if ((perm & V9FS_DMSYMLINK) || (perm & V9FS_DMLINK) ||
 	    (perm & V9FS_DMNAMEDPIPE) || (perm & V9FS_DMSOCKET) ||
@@ -410,11 +430,11 @@ v9fs_create(struct inode *dir,
 	d_instantiate(file_dentry, file_inode);
 
 	if (perm & V9FS_DMDIR) {
-		if (v9fs_t_clunk(v9ses, newfid, &fcall))
+		if (!v9fs_t_clunk(v9ses, newfid, &fcall))
+			v9fs_put_idpool(newfid, &v9ses->fidpool);
+		else
 			dprintk(DEBUG_ERROR, "clunk for mkdir failed: %s\n",
 				FCALL_ERROR(fcall));
-
-		v9fs_put_idpool(newfid, &v9ses->fidpool);
 		kfree(fcall);
 		fid->fidopen = 0;
 		fid->fidcreate = 0;
@@ -426,12 +446,22 @@ v9fs_create(struct inode *dir,
       CleanUpFid:
 	kfree(fcall);
 
-	if (newfid) {
-		if (v9fs_t_clunk(v9ses, newfid, &fcall))
+	if (newfid >= 0) {
+		if (!v9fs_t_clunk(v9ses, newfid, &fcall))
+			v9fs_put_idpool(newfid, &v9ses->fidpool);
+		else
+			dprintk(DEBUG_ERROR, "clunk failed: %s\n",
+				FCALL_ERROR(fcall));
+
+		kfree(fcall);
+	}
+	if (wfidno >= 0) {
+		if (!v9fs_t_clunk(v9ses, wfidno, &fcall))
+			v9fs_put_idpool(wfidno, &v9ses->fidpool);
+		else
 			dprintk(DEBUG_ERROR, "clunk failed: %s\n",
 				FCALL_ERROR(fcall));
 
-		v9fs_put_idpool(newfid, &v9ses->fidpool);
 		kfree(fcall);
 	}
 	return result;
@@ -461,7 +491,7 @@ static int v9fs_remove(struct inode *dir, struct dentry *file, int rmdir)
 	file_inode = file->d_inode;
 	sb = file_inode->i_sb;
 	v9ses = v9fs_inode2v9ses(file_inode);
-	v9fid = v9fs_fid_lookup(file, FID_OP);
+	v9fid = v9fs_fid_lookup(file);
 
 	if (!v9fid) {
 		dprintk(DEBUG_ERROR,
@@ -545,7 +575,7 @@ static struct dentry *v9fs_vfs_lookup(struct inode *dir, struct dentry *dentry,
 
 	sb = dir->i_sb;
 	v9ses = v9fs_inode2v9ses(dir);
-	dirfid = v9fs_fid_lookup(dentry->d_parent, FID_WALK);
+	dirfid = v9fs_fid_lookup(dentry->d_parent);
 
 	if (!dirfid) {
 		dprintk(DEBUG_ERROR, "no dirfid\n");
@@ -573,7 +603,7 @@ static struct dentry *v9fs_vfs_lookup(struct inode *dir, struct dentry *dentry,
 		v9fs_put_idpool(newfid, &v9ses->fidpool);
 		if (result == -ENOENT) {
 			d_add(dentry, NULL);
-			dprintk(DEBUG_ERROR,
+			dprintk(DEBUG_VFS,
 				"Return negative dentry %p count %d\n",
 				dentry, atomic_read(&dentry->d_count));
 			return NULL;
@@ -601,16 +631,13 @@ static struct dentry *v9fs_vfs_lookup(struct inode *dir, struct dentry *dentry,
 
 	inode->i_ino = v9fs_qid2ino(&fcall->params.rstat.stat->qid);
 
-	fid = v9fs_fid_create(dentry);
+	fid = v9fs_fid_create(dentry, v9ses, newfid, 0);
 	if (fid == NULL) {
 		dprintk(DEBUG_ERROR, "couldn't insert\n");
 		result = -ENOMEM;
 		goto FreeFcall;
 	}
 
-	fid->fid = newfid;
-	fid->fidopen = 0;
-	fid->v9ses = v9ses;
 	fid->qid = fcall->params.rstat.stat->qid;
 
 	dentry->d_op = &v9fs_dentry_operations;
@@ -665,11 +692,11 @@ v9fs_vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
 {
 	struct inode *old_inode = old_dentry->d_inode;
 	struct v9fs_session_info *v9ses = v9fs_inode2v9ses(old_inode);
-	struct v9fs_fid *oldfid = v9fs_fid_lookup(old_dentry, FID_WALK);
+	struct v9fs_fid *oldfid = v9fs_fid_lookup(old_dentry);
 	struct v9fs_fid *olddirfid =
-	    v9fs_fid_lookup(old_dentry->d_parent, FID_WALK);
+	    v9fs_fid_lookup(old_dentry->d_parent);
 	struct v9fs_fid *newdirfid =
-	    v9fs_fid_lookup(new_dentry->d_parent, FID_WALK);
+	    v9fs_fid_lookup(new_dentry->d_parent);
 	struct v9fs_stat *mistat = kmalloc(v9ses->maxdata, GFP_KERNEL);
 	struct v9fs_fcall *fcall = NULL;
 	int fid = -1;
@@ -744,7 +771,7 @@ v9fs_vfs_getattr(struct vfsmount *mnt, struct dentry *dentry,
 {
 	struct v9fs_fcall *fcall = NULL;
 	struct v9fs_session_info *v9ses = v9fs_inode2v9ses(dentry->d_inode);
-	struct v9fs_fid *fid = v9fs_fid_lookup(dentry, FID_OP);
+	struct v9fs_fid *fid = v9fs_fid_lookup(dentry);
 	int err = -EPERM;
 
 	dprintk(DEBUG_VFS, "dentry: %p\n", dentry);
@@ -778,7 +805,7 @@ v9fs_vfs_getattr(struct vfsmount *mnt, struct dentry *dentry,
 static int v9fs_vfs_setattr(struct dentry *dentry, struct iattr *iattr)
 {
 	struct v9fs_session_info *v9ses = v9fs_inode2v9ses(dentry->d_inode);
-	struct v9fs_fid *fid = v9fs_fid_lookup(dentry, FID_OP);
+	struct v9fs_fid *fid = v9fs_fid_lookup(dentry);
 	struct v9fs_fcall *fcall = NULL;
 	struct v9fs_stat *mistat = kmalloc(v9ses->maxdata, GFP_KERNEL);
 	int res = -EPERM;
@@ -960,7 +987,7 @@ v9fs_vfs_symlink(struct inode *dir, struct dentry *dentry, const char *symname)
 	if (retval != 0)
 		goto FreeFcall;
 
-	newfid = v9fs_fid_lookup(dentry, FID_OP);
+	newfid = v9fs_fid_lookup(dentry);
 
 	/* issue a twstat */
 	v9fs_blank_mistat(v9ses, mistat);
@@ -1004,7 +1031,7 @@ static int v9fs_readlink(struct dentry *dentry, char *buffer, int buflen)
 
 	struct v9fs_fcall *fcall = NULL;
 	struct v9fs_session_info *v9ses = v9fs_inode2v9ses(dentry->d_inode);
-	struct v9fs_fid *fid = v9fs_fid_lookup(dentry, FID_OP);
+	struct v9fs_fid *fid = v9fs_fid_lookup(dentry);
 
 	if (!fid) {
 		dprintk(DEBUG_ERROR, "could not resolve fid from dentry\n");
@@ -1148,7 +1175,7 @@ v9fs_vfs_link(struct dentry *old_dentry, struct inode *dir,
 	struct v9fs_session_info *v9ses = v9fs_inode2v9ses(dir);
 	struct v9fs_fcall *fcall = NULL;
 	struct v9fs_stat *mistat = kmalloc(v9ses->maxdata, GFP_KERNEL);
-	struct v9fs_fid *oldfid = v9fs_fid_lookup(old_dentry, FID_OP);
+	struct v9fs_fid *oldfid = v9fs_fid_lookup(old_dentry);
 	struct v9fs_fid *newfid = NULL;
 	char *symname = __getname();
 
@@ -1168,7 +1195,7 @@ v9fs_vfs_link(struct dentry *old_dentry, struct inode *dir,
 	if (retval != 0)
 		goto FreeMem;
 
-	newfid = v9fs_fid_lookup(dentry, FID_OP);
+	newfid = v9fs_fid_lookup(dentry);
 	if (!newfid) {
 		dprintk(DEBUG_ERROR, "couldn't resolve fid from dentry\n");
 		goto FreeMem;
@@ -1246,7 +1273,7 @@ v9fs_vfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t rdev)
 	if (retval != 0)
 		goto FreeMem;
 
-	newfid = v9fs_fid_lookup(dentry, FID_OP);
+	newfid = v9fs_fid_lookup(dentry);
 	if (!newfid) {
 		dprintk(DEBUG_ERROR, "coudn't resove fid from dentry\n");
 		retval = -EINVAL;
diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c
index 1e2b2b54d300..0957f4da91d4 100644
--- a/fs/9p/vfs_super.c
+++ b/fs/9p/vfs_super.c
@@ -129,8 +129,7 @@ static struct super_block *v9fs_get_sb(struct file_system_type
 
 	if ((newfid = v9fs_session_init(v9ses, dev_name, data)) < 0) {
 		dprintk(DEBUG_ERROR, "problem initiating session\n");
-		kfree(v9ses);
-		return ERR_PTR(newfid);
+		return newfid;
 	}
 
 	sb = sget(fs_type, NULL, v9fs_set_super, v9ses);
@@ -155,23 +154,19 @@ static struct super_block *v9fs_get_sb(struct file_system_type
 
 	sb->s_root = root;
 
-	/* Setup the Root Inode */
-	root_fid = v9fs_fid_create(root);
-	if (root_fid == NULL) {
-		retval = -ENOMEM;
-		goto put_back_sb;
-	}
-
-	root_fid->fidopen = 0;
-	root_fid->v9ses = v9ses;
-
 	stat_result = v9fs_t_stat(v9ses, newfid, &fcall);
 	if (stat_result < 0) {
 		dprintk(DEBUG_ERROR, "stat error\n");
 		v9fs_t_clunk(v9ses, newfid, NULL);
 		v9fs_put_idpool(newfid, &v9ses->fidpool);
 	} else {
-		root_fid->fid = newfid;
+		/* Setup the Root Inode */
+		root_fid = v9fs_fid_create(root, v9ses, newfid, 0);
+		if (root_fid == NULL) {
+			retval = -ENOMEM;
+			goto put_back_sb;
+		}
+
 		root_fid->qid = fcall->params.rstat.stat->qid;
 		root->d_inode->i_ino =
 		    v9fs_qid2ino(&fcall->params.rstat.stat->qid);
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-10-06 17:22:40 +0000