7 files changed, 232 insertions, 276 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..bbc3cc63854f 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;
@@ -207,16 +175,16 @@ static int v9fs_file_lock(struct file *filp, int cmd, struct file_lock *fl)
 }
 
 /**
- * v9fs_read - read from a file (internal)
+ * v9fs_file_read - read from a file
  * @filep: file pointer to read
  * @data: data buffer to read data into
  * @count: size of buffer
  * @offset: offset at which to read data
  *
  */
-
 static ssize_t
-v9fs_read(struct file *filp, char *buffer, size_t count, loff_t * offset)
+v9fs_file_read(struct file *filp, char __user * data, size_t count,
+               loff_t * offset)
 {
         struct inode *inode = filp->f_dentry->d_inode;
         struct v9fs_session_info *v9ses = v9fs_inode2v9ses(inode);
@@ -226,6 +194,7 @@ v9fs_read(struct file *filp, char *buffer, size_t count, loff_t * offset)
         int rsize = 0;
         int result = 0;
         int total = 0;
+        int n;
 
         dprintk(DEBUG_VFS, "\n");
 
@@ -248,10 +217,15 @@ v9fs_read(struct file *filp, char *buffer, size_t count, loff_t * offset)
                 } else
                         *offset += result;
 
-                /* XXX - extra copy */
-                memcpy(buffer, fcall->params.rread.data, result);
+                n = copy_to_user(data, fcall->params.rread.data, result);
+                if (n) {
+                        dprintk(DEBUG_ERROR, "Problem copying to user %d\n", n);
+                        kfree(fcall);
+                        return -EFAULT;
+                }
+
                 count -= result;
-                buffer += result;
+                data += result;
                 total += result;
 
                 kfree(fcall);
@@ -264,42 +238,7 @@ v9fs_read(struct file *filp, char *buffer, size_t count, loff_t * offset)
 }
 
 /**
- * v9fs_file_read - read from a file
- * @filep: file pointer to read
- * @data: data buffer to read data into
- * @count: size of buffer
- * @offset: offset at which to read data
- *
- */
-
-static ssize_t
-v9fs_file_read(struct file *filp, char __user * data, size_t count,
-               loff_t * offset)
-{
-        int retval = -1;
-        int ret = 0;
-        char *buffer;
-
-        buffer = kmalloc(count, GFP_KERNEL);
-        if (!buffer)
-                return -ENOMEM;
-
-        retval = v9fs_read(filp, buffer, count, offset);
-        if (retval > 0) {
-                if ((ret = copy_to_user(data, buffer, retval)) != 0) {
-                        dprintk(DEBUG_ERROR, "Problem copying to user %d\n",
-                                ret);
-                        retval = ret;
-                }
-        }
-
-        kfree(buffer);
-
-        return retval;
-}
-
-/**
- * v9fs_write - write to a file
+ * v9fs_file_write - write to a file
  * @filep: file pointer to write
  * @data: data buffer to write data from
  * @count: size of buffer
@@ -308,7 +247,8 @@ v9fs_file_read(struct file *filp, char __user * data, size_t count,
  */
 
 static ssize_t
-v9fs_write(struct file *filp, char *buffer, size_t count, loff_t * offset)
+v9fs_file_write(struct file *filp, const char __user * data,
+                size_t count, loff_t * offset)
 {
         struct inode *inode = filp->f_dentry->d_inode;
         struct v9fs_session_info *v9ses = v9fs_inode2v9ses(inode);
@@ -318,30 +258,42 @@ v9fs_write(struct file *filp, char *buffer, size_t count, loff_t * offset)
         int result = -EIO;
         int rsize = 0;
         int total = 0;
+        char *buf;
 
-        dprintk(DEBUG_VFS, "data %p count %d offset %x\n", buffer, (int)count,
+        dprintk(DEBUG_VFS, "data %p count %d offset %x\n", data, (int)count,
                 (int)*offset);
         rsize = v9ses->maxdata - V9FS_IOHDRSZ;
         if (v9fid->iounit != 0 && rsize > v9fid->iounit)
                 rsize = v9fid->iounit;
 
-        dump_data(buffer, count);
+        buf = kmalloc(v9ses->maxdata - V9FS_IOHDRSZ, GFP_KERNEL);
+        if (!buf)
+                return -ENOMEM;
 
         do {
                 if (count < rsize)
                         rsize = count;
 
-                result =
-                    v9fs_t_write(v9ses, fid, *offset, rsize, buffer, &fcall);
+                result = copy_from_user(buf, data, rsize);
+                if (result) {
+                        dprintk(DEBUG_ERROR, "Problem copying from user\n");
+                        kfree(buf);
+                        return -EFAULT;
+                }
+
+                dump_data(buf, rsize);
+                result = v9fs_t_write(v9ses, fid, *offset, rsize, buf, &fcall);
                 if (result < 0) {
                         eprintk(KERN_ERR, "error while writing: %s(%d)\n",
                                 FCALL_ERROR(fcall), result);
                         kfree(fcall);
+                        kfree(buf);
                         return result;
                 } else
                         *offset += result;
 
                 kfree(fcall);
+                fcall = NULL;
 
                 if (result != rsize) {
                         eprintk(KERN_ERR,
@@ -351,46 +303,14 @@ v9fs_write(struct file *filp, char *buffer, size_t count, loff_t * offset)
                 }
 
                 count -= result;
-                buffer += result;
+                data += result;
                 total += result;
         } while (count);
 
+        kfree(buf);
         return total;
 }
 
-/**
- * v9fs_file_write - write to a file
- * @filep: file pointer to write
- * @data: data buffer to write data from
- * @count: size of buffer
- * @offset: offset at which to write data
- *
- */
-
-static ssize_t
-v9fs_file_write(struct file *filp, const char __user * data,
-                size_t count, loff_t * offset)
-{
-        int ret = -1;
-        char *buffer;
-
-        buffer = kmalloc(count, GFP_KERNEL);
-        if (buffer == NULL)
-                return -ENOMEM;
-
-        ret = copy_from_user(buffer, data, count);
-        if (ret) {
-                dprintk(DEBUG_ERROR, "Problem copying from user\n");
-                ret = -EFAULT;
-        } else {
-                ret = v9fs_write(filp, buffer, count, offset);
-        }
-
-        kfree(buffer);
-
-        return ret;
-}
-
 struct file_operations v9fs_file_operations = {
         .llseek = generic_file_llseek,
         .read = v9fs_file_read,
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..82c5b0084079 100644
--- a/fs/9p/vfs_super.c
+++ b/fs/9p/vfs_super.c
@@ -129,7 +129,6 @@ 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);
         }
 
@@ -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);