--- /dev/null
+ fs/dcache.c | 3
+ fs/namei.c | 306 ++++++++++++++++++++++++++++++++++++++++---------
+ fs/nfsd/vfs.c | 2
+ fs/open.c | 63 +++++++---
+ fs/stat.c | 29 +++-
+ include/linux/dcache.h | 31 ++++
+ include/linux/fs.h | 22 +++
+ kernel/ksyms.c | 1
+ 8 files changed, 384 insertions(+), 73 deletions(-)
+
+--- linux-2.4.19-hp2_pnnl2/fs/dcache.c~vfs_intent_hp Sun Jan 19 19:04:47 2003
++++ linux-2.4.19-hp2_pnnl2-root/fs/dcache.c Sun Jan 19 19:04:47 2003
+@@ -145,6 +145,8 @@ repeat:
+ unhash_it:
+ list_del_init(&dentry->d_hash);
+
++
++
+ kill_it: {
+ struct dentry *parent;
+ list_del(&dentry->d_child);
+@@ -616,6 +618,7 @@ struct dentry * d_alloc(struct dentry *
+ dentry->d_op = NULL;
+ dentry->d_fsdata = NULL;
+ dentry->d_mounted = 0;
++ dentry->d_it = NULL;
+ INIT_LIST_HEAD(&dentry->d_hash);
+ INIT_LIST_HEAD(&dentry->d_lru);
+ INIT_LIST_HEAD(&dentry->d_subdirs);
+--- linux-2.4.19-hp2_pnnl2/fs/namei.c~vfs_intent_hp Sun Jan 19 19:04:47 2003
++++ linux-2.4.19-hp2_pnnl2-root/fs/namei.c Sun Jan 19 19:35:55 2003
+@@ -1,3 +1,6 @@
++
++
++
+ /*
+ * linux/fs/namei.c
+ *
+@@ -94,6 +97,14 @@
+ * XEmacs seems to be relying on it...
+ */
+
++void intent_release(struct dentry *de, struct lookup_intent *it)
++{
++ if (it && de->d_op && de->d_op->d_intent_release)
++ de->d_op->d_intent_release(de, it);
++
++}
++
++
+ /* In order to reduce some races, while at the same time doing additional
+ * checking and hopefully speeding things up, we copy filenames to the
+ * kernel data space before using them..
+@@ -260,10 +271,19 @@ void path_release(struct nameidata *nd)
+ * Internal lookup() using the new generic dcache.
+ * SMP-safe
+ */
+-static struct dentry * cached_lookup(struct dentry * parent, struct qstr * name, int flags)
++static struct dentry *cached_lookup(struct dentry *parent, struct qstr *name,
++ int flags, struct lookup_intent *it)
+ {
+ struct dentry * dentry = d_lookup(parent, name);
+
++ if (dentry && dentry->d_op && dentry->d_op->d_revalidate2) {
++ if (!dentry->d_op->d_revalidate2(dentry, flags, it) &&
++ !d_invalidate(dentry)) {
++ dput(dentry);
++ dentry = NULL;
++ }
++ return dentry;
++ } else
+ if (dentry && dentry->d_op && dentry->d_op->d_revalidate) {
+ if (!dentry->d_op->d_revalidate(dentry, flags) && !d_invalidate(dentry)) {
+ dput(dentry);
+@@ -281,7 +301,8 @@ static struct dentry * cached_lookup(str
+ * make sure that nobody added the entry to the dcache in the meantime..
+ * SMP-safe
+ */
+-static struct dentry * real_lookup(struct dentry * parent, struct qstr * name, int flags)
++static struct dentry *real_lookup(struct dentry *parent, struct qstr *name,
++ int flags, struct lookup_intent *it)
+ {
+ struct dentry * result;
+ struct inode *dir = parent->d_inode;
+@@ -300,6 +321,9 @@ static struct dentry * real_lookup(struc
+ result = ERR_PTR(-ENOMEM);
+ if (dentry) {
+ lock_kernel();
++ if (dir->i_op->lookup2)
++ result = dir->i_op->lookup2(dir, dentry, it);
++ else
+ result = dir->i_op->lookup(dir, dentry);
+ unlock_kernel();
+ if (result)
+@@ -321,6 +345,12 @@ static struct dentry * real_lookup(struc
+ dput(result);
+ result = ERR_PTR(-ENOENT);
+ }
++ } else if (result->d_op && result->d_op->d_revalidate2) {
++ if (!result->d_op->d_revalidate2(result, flags, it) &&
++ !d_invalidate(result)) {
++ dput(result);
++ result = ERR_PTR(-ENOENT);
++ }
+ }
+ return result;
+ }
+@@ -332,7 +362,8 @@ static struct dentry * real_lookup(struc
+ * Without that kind of total limit, nasty chains of consecutive
+ * symlinks can cause almost arbitrarily long lookups.
+ */
+-static inline int do_follow_link(struct dentry *dentry, struct nameidata *nd)
++static inline int do_follow_link(struct dentry *dentry, struct nameidata *nd,
++ struct lookup_intent *it)
+ {
+ int err;
+ if (current->link_count >= 5)
+@@ -346,10 +377,14 @@ static inline int do_follow_link(struct
+ current->link_count++;
+ current->total_link_count++;
+ UPDATE_ATIME(dentry->d_inode);
+- err = dentry->d_inode->i_op->follow_link(dentry, nd);
++ if (dentry->d_inode->i_op->follow_link2)
++ err = dentry->d_inode->i_op->follow_link2(dentry, nd, it);
++ else
++ err = dentry->d_inode->i_op->follow_link(dentry, nd);
+ current->link_count--;
+ return err;
+ loop:
++ intent_release(dentry, it);
+ path_release(nd);
+ return -ELOOP;
+ }
+@@ -447,7 +482,8 @@ static inline void follow_dotdot(struct
+ *
+ * We expect 'base' to be positive and a directory.
+ */
+-int link_path_walk(const char * name, struct nameidata *nd)
++int link_path_walk_it(const char *name, struct nameidata *nd,
++ struct lookup_intent *it)
+ {
+ struct dentry *dentry;
+ struct inode *inode;
+@@ -520,9 +556,9 @@ int link_path_walk(const char * name, st
+ break;
+ }
+ /* This does the actual lookups.. */
+- dentry = cached_lookup(nd->dentry, &this, LOOKUP_CONTINUE);
++ dentry = cached_lookup(nd->dentry, &this, LOOKUP_CONTINUE, NULL);
+ if (!dentry) {
+- dentry = real_lookup(nd->dentry, &this, LOOKUP_CONTINUE);
++ dentry = real_lookup(nd->dentry, &this, LOOKUP_CONTINUE, NULL);
+ err = PTR_ERR(dentry);
+ if (IS_ERR(dentry))
+ break;
+@@ -539,8 +575,8 @@ int link_path_walk(const char * name, st
+ if (!inode->i_op)
+ goto out_dput;
+
+- if (inode->i_op->follow_link) {
+- err = do_follow_link(dentry, nd);
++ if (inode->i_op->follow_link || inode->i_op->follow_link2) {
++ err = do_follow_link(dentry, nd, NULL);
+ dput(dentry);
+ if (err)
+ goto return_err;
+@@ -556,7 +592,7 @@ int link_path_walk(const char * name, st
+ nd->dentry = dentry;
+ }
+ err = -ENOTDIR;
+- if (!inode->i_op->lookup)
++ if (!inode->i_op->lookup && !inode->i_op->lookup2)
+ break;
+ continue;
+ /* here ends the main loop */
+@@ -583,9 +619,9 @@ last_component:
+ if (err < 0)
+ break;
+ }
+- dentry = cached_lookup(nd->dentry, &this, 0);
++ dentry = cached_lookup(nd->dentry, &this, 0, it);
+ if (!dentry) {
+- dentry = real_lookup(nd->dentry, &this, 0);
++ dentry = real_lookup(nd->dentry, &this, 0, it);
+ err = PTR_ERR(dentry);
+ if (IS_ERR(dentry))
+ break;
+@@ -594,8 +630,10 @@ last_component:
+ ;
+ inode = dentry->d_inode;
+ if ((lookup_flags & LOOKUP_FOLLOW)
+- && inode && inode->i_op && inode->i_op->follow_link) {
+- err = do_follow_link(dentry, nd);
++ && inode && inode->i_op &&
++ (inode->i_op->follow_link ||
++ inode->i_op->follow_link2)) {
++ err = do_follow_link(dentry, nd, it);
+ dput(dentry);
+ if (err)
+ goto return_err;
+@@ -609,7 +647,8 @@ last_component:
+ goto no_inode;
+ if (lookup_flags & LOOKUP_DIRECTORY) {
+ err = -ENOTDIR;
+- if (!inode->i_op || !inode->i_op->lookup)
++ if (!inode->i_op || (!inode->i_op->lookup &&
++ !inode->i_op->lookup2))
+ break;
+ }
+ goto return_base;
+@@ -646,15 +685,28 @@ out_dput:
+ dput(dentry);
+ break;
+ }
++ if (err)
++ intent_release(nd->dentry, it);
+ path_release(nd);
+ return_err:
+ return err;
+ }
+
++int link_path_walk(const char * name, struct nameidata *nd)
++{
++ return link_path_walk_it(name, nd, NULL);
++}
++
++int path_walk_it(const char * name, struct nameidata *nd, struct lookup_intent *it)
++{
++ current->total_link_count = 0;
++ return link_path_walk_it(name, nd, it);
++}
++
+ int path_walk(const char * name, struct nameidata *nd)
+ {
+ current->total_link_count = 0;
+- return link_path_walk(name, nd);
++ return link_path_walk_it(name, nd, NULL);
+ }
+
+ /* SMP-safe */
+@@ -757,7 +809,8 @@ int path_init(const char *name, unsigned
+ * needs parent already locked. Doesn't follow mounts.
+ * SMP-safe.
+ */
+-struct dentry * lookup_hash(struct qstr *name, struct dentry * base)
++struct dentry * lookup_hash_it(struct qstr *name, struct dentry * base,
++ struct lookup_intent *it)
+ {
+ struct dentry * dentry;
+ struct inode *inode;
+@@ -780,13 +833,16 @@ struct dentry * lookup_hash(struct qstr
+ goto out;
+ }
+
+- dentry = cached_lookup(base, name, 0);
++ dentry = cached_lookup(base, name, 0, it);
+ if (!dentry) {
+ struct dentry *new = d_alloc(base, name);
+ dentry = ERR_PTR(-ENOMEM);
+ if (!new)
+ goto out;
+ lock_kernel();
++ if (inode->i_op->lookup2)
++ dentry = inode->i_op->lookup2(inode, new, it);
++ else
+ dentry = inode->i_op->lookup(inode, new);
+ unlock_kernel();
+ if (!dentry)
+@@ -798,6 +854,12 @@ out:
+ return dentry;
+ }
+
++struct dentry * lookup_hash(struct qstr *name, struct dentry * base)
++{
++ return lookup_hash_it(name, base, NULL);
++}
++
++
+ /* SMP-safe */
+ struct dentry * lookup_one_len(const char * name, struct dentry * base, int len)
+ {
+@@ -819,7 +881,7 @@ struct dentry * lookup_one_len(const cha
+ }
+ this.hash = end_name_hash(hash);
+
+- return lookup_hash(&this, base);
++ return lookup_hash_it(&this, base, NULL);
+ access:
+ return ERR_PTR(-EACCES);
+ }
+@@ -851,6 +913,23 @@ int __user_walk(const char *name, unsign
+ return err;
+ }
+
++int __user_walk_it(const char *name, unsigned flags, struct nameidata *nd,
++ struct lookup_intent *it)
++{
++ char *tmp;
++ int err;
++
++ tmp = getname(name);
++ err = PTR_ERR(tmp);
++ if (!IS_ERR(tmp)) {
++ err = 0;
++ if (path_init(tmp, flags, nd))
++ err = path_walk_it(tmp, nd, it);
++ putname(tmp);
++ }
++ return err;
++}
++
+ /*
+ * It's inline, so penalty for filesystems that don't use sticky bit is
+ * minimal.
+@@ -987,7 +1066,8 @@ exit_lock:
+ * for symlinks (where the permissions are checked later).
+ * SMP-safe
+ */
+-int open_namei(const char * pathname, int flag, int mode, struct nameidata *nd)
++int open_namei_it(const char *pathname, int flag, int mode,
++ struct nameidata *nd, struct lookup_intent *it)
+ {
+ int acc_mode, error = 0;
+ struct inode *inode;
+@@ -1002,7 +1082,7 @@ int open_namei(const char * pathname, in
+ */
+ if (!(flag & O_CREAT)) {
+ if (path_init(pathname, lookup_flags(flag), nd))
+- error = path_walk(pathname, nd);
++ error = path_walk_it(pathname, nd, it);
+ if (error)
+ return error;
+ dentry = nd->dentry;
+@@ -1012,6 +1092,10 @@ int open_namei(const char * pathname, in
+ /*
+ * Create - we need to know the parent.
+ */
++ if (it) {
++ it->it_mode = mode;
++ it->it_op |= IT_CREAT;
++ }
+ if (path_init(pathname, LOOKUP_PARENT, nd))
+ error = path_walk(pathname, nd);
+ if (error)
+@@ -1028,7 +1112,7 @@ int open_namei(const char * pathname, in
+
+ dir = nd->dentry;
+ down(&dir->d_inode->i_sem);
+- dentry = lookup_hash(&nd->last, nd->dentry);
++ dentry = lookup_hash_it(&nd->last, nd->dentry, it);
+
+ do_last:
+ error = PTR_ERR(dentry);
+@@ -1037,6 +1121,7 @@ do_last:
+ goto exit;
+ }
+
++ it->it_mode = mode;
+ /* Negative dentry, just create the file */
+ if (!dentry->d_inode) {
+ if (!IS_POSIXACL(dir->d_inode))
+@@ -1071,7 +1156,8 @@ do_last:
+ error = -ENOENT;
+ if (!dentry->d_inode)
+ goto exit_dput;
+- if (dentry->d_inode->i_op && dentry->d_inode->i_op->follow_link)
++ if (dentry->d_inode->i_op && (dentry->d_inode->i_op->follow_link ||
++ dentry->d_inode->i_op->follow_link2))
+ goto do_link;
+
+ dput(nd->dentry);
+@@ -1157,8 +1243,10 @@ ok:
+ return 0;
+
+ exit_dput:
++ intent_release(dentry, it);
+ dput(dentry);
+ exit:
++ intent_release(nd->dentry, it);
+ path_release(nd);
+ return error;
+
+@@ -1177,7 +1265,12 @@ do_link:
+ * are done. Procfs-like symlinks just set LAST_BIND.
+ */
+ UPDATE_ATIME(dentry->d_inode);
+- error = dentry->d_inode->i_op->follow_link(dentry, nd);
++ if (dentry->d_inode->i_op->follow_link2)
++ error = dentry->d_inode->i_op->follow_link2(dentry, nd, it);
++ else
++ error = dentry->d_inode->i_op->follow_link(dentry, nd);
++ if (error)
++ intent_release(dentry, it);
+ dput(dentry);
+ if (error)
+ return error;
+@@ -1199,13 +1292,20 @@ do_link:
+ }
+ dir = nd->dentry;
+ down(&dir->d_inode->i_sem);
+- dentry = lookup_hash(&nd->last, nd->dentry);
++ dentry = lookup_hash_it(&nd->last, nd->dentry, it);
+ putname(nd->last.name);
+ goto do_last;
+ }
+
++int open_namei(const char *pathname, int flag, int mode, struct nameidata *nd)
++{
++ return open_namei_it(pathname, flag, mode, nd, NULL);
++}
++
++
+ /* SMP-safe */
+-static struct dentry *lookup_create(struct nameidata *nd, int is_dir)
++static struct dentry *lookup_create(struct nameidata *nd, int is_dir,
++ struct lookup_intent *it)
+ {
+ struct dentry *dentry;
+
+@@ -1213,7 +1313,7 @@ static struct dentry *lookup_create(stru
+ dentry = ERR_PTR(-EEXIST);
+ if (nd->last_type != LAST_NORM)
+ goto fail;
+- dentry = lookup_hash(&nd->last, nd->dentry);
++ dentry = lookup_hash_it(&nd->last, nd->dentry, it);
+ if (IS_ERR(dentry))
+ goto fail;
+ if (!is_dir && nd->last.name[nd->last.len] && !dentry->d_inode)
+@@ -1259,6 +1359,7 @@ asmlinkage long sys_mknod(const char * f
+ char * tmp;
+ struct dentry * dentry;
+ struct nameidata nd;
++ struct lookup_intent it = { .it_op = IT_MKNOD, .it_mode = mode };
+
+ if (S_ISDIR(mode))
+ return -EPERM;
+@@ -1270,7 +1371,19 @@ asmlinkage long sys_mknod(const char * f
+ error = path_walk(tmp, &nd);
+ if (error)
+ goto out;
+- dentry = lookup_create(&nd, 0);
++
++ if (nd.dentry->d_inode->i_op->mknod2) {
++ struct inode_operations *op = nd.dentry->d_inode->i_op;
++ error = op->mknod2(nd.dentry->d_inode,
++ nd.last.name,
++ nd.last.len,
++ mode, dev);
++ /* the file system want to use normal vfs path now */
++ if (error != -EOPNOTSUPP)
++ goto out2;
++ }
++
++ dentry = lookup_create(&nd, 0, &it);
+ error = PTR_ERR(dentry);
+
+ if (!IS_POSIXACL(nd.dentry->d_inode))
+@@ -1289,9 +1402,11 @@ asmlinkage long sys_mknod(const char * f
+ default:
+ error = -EINVAL;
+ }
++ intent_release(dentry, &it);
+ dput(dentry);
+ }
+ up(&nd.dentry->d_inode->i_sem);
++ out2:
+ path_release(&nd);
+ out:
+ putname(tmp);
+@@ -1329,6 +1444,7 @@ asmlinkage long sys_mkdir(const char * p
+ {
+ int error = 0;
+ char * tmp;
++ struct lookup_intent it = { .it_op = IT_MKDIR, .it_mode = mode };
+
+ tmp = getname(pathname);
+ error = PTR_ERR(tmp);
+@@ -1340,15 +1456,26 @@ asmlinkage long sys_mkdir(const char * p
+ error = path_walk(tmp, &nd);
+ if (error)
+ goto out;
+- dentry = lookup_create(&nd, 1);
++ if (nd.dentry->d_inode->i_op->mkdir2) {
++ struct inode_operations *op = nd.dentry->d_inode->i_op;
++ error = op->mkdir2(nd.dentry->d_inode,
++ nd.last.name,
++ nd.last.len,
++ mode);
++ /* the file system want to use normal vfs path now */
++ if (error != -EOPNOTSUPP)
++ goto out2;
++ }
++ dentry = lookup_create(&nd, 1, &it);
+ error = PTR_ERR(dentry);
+ if (!IS_ERR(dentry)) {
+- if (!IS_POSIXACL(nd.dentry->d_inode))
+- mode &= ~current->fs->umask;
+- error = vfs_mkdir(nd.dentry->d_inode, dentry, mode);
++ error = vfs_mkdir(nd.dentry->d_inode, dentry,
++ mode & ~current->fs->umask);
++ intent_release(dentry, &it);
+ dput(dentry);
+ }
+ up(&nd.dentry->d_inode->i_sem);
++out2:
+ path_release(&nd);
+ out:
+ putname(tmp);
+@@ -1429,6 +1556,7 @@ asmlinkage long sys_rmdir(const char * p
+ char * name;
+ struct dentry *dentry;
+ struct nameidata nd;
++ struct lookup_intent it = { .it_op = IT_RMDIR };
+
+ name = getname(pathname);
+ if(IS_ERR(name))
+@@ -1450,11 +1578,21 @@ asmlinkage long sys_rmdir(const char * p
+ error = -EBUSY;
+ goto exit1;
+ }
++ if (nd.dentry->d_inode->i_op->rmdir2) {
++ struct inode_operations *op = nd.dentry->d_inode->i_op;
++ error = op->rmdir2(nd.dentry->d_inode,
++ nd.last.name,
++ nd.last.len);
++ /* the file system want to use normal vfs path now */
++ if (error != -EOPNOTSUPP)
++ goto exit1;
++ }
+ down(&nd.dentry->d_inode->i_sem);
+- dentry = lookup_hash(&nd.last, nd.dentry);
++ dentry = lookup_hash_it(&nd.last, nd.dentry, &it);
+ error = PTR_ERR(dentry);
+ if (!IS_ERR(dentry)) {
+ error = vfs_rmdir(nd.dentry->d_inode, dentry);
++ intent_release(dentry, &it);
+ dput(dentry);
+ }
+ up(&nd.dentry->d_inode->i_sem);
+@@ -1498,6 +1636,7 @@ asmlinkage long sys_unlink(const char *
+ char * name;
+ struct dentry *dentry;
+ struct nameidata nd;
++ struct lookup_intent it = { .it_op = IT_UNLINK };
+
+ name = getname(pathname);
+ if(IS_ERR(name))
+@@ -1510,8 +1649,17 @@ asmlinkage long sys_unlink(const char *
+ error = -EISDIR;
+ if (nd.last_type != LAST_NORM)
+ goto exit1;
++ if (nd.dentry->d_inode->i_op->unlink2) {
++ struct inode_operations *op = nd.dentry->d_inode->i_op;
++ error = op->unlink2(nd.dentry->d_inode,
++ nd.last.name,
++ nd.last.len);
++ /* the file system want to use normal vfs path now */
++ if (error != -EOPNOTSUPP)
++ goto exit1;
++ }
+ down(&nd.dentry->d_inode->i_sem);
+- dentry = lookup_hash(&nd.last, nd.dentry);
++ dentry = lookup_hash_it(&nd.last, nd.dentry, &it);
+ error = PTR_ERR(dentry);
+ if (!IS_ERR(dentry)) {
+ /* Why not before? Because we want correct error value */
+@@ -1519,6 +1667,7 @@ asmlinkage long sys_unlink(const char *
+ goto slashes;
+ error = vfs_unlink(nd.dentry->d_inode, dentry);
+ exit2:
++ intent_release(dentry, &it);
+ dput(dentry);
+ }
+ up(&nd.dentry->d_inode->i_sem);
+@@ -1565,6 +1714,7 @@ asmlinkage long sys_symlink(const char *
+ int error = 0;
+ char * from;
+ char * to;
++ struct lookup_intent it = { .it_op = IT_SYMLINK };
+
+ from = getname(oldname);
+ if(IS_ERR(from))
+@@ -1579,15 +1729,28 @@ asmlinkage long sys_symlink(const char *
+ error = path_walk(to, &nd);
+ if (error)
+ goto out;
+- dentry = lookup_create(&nd, 0);
++ if (nd.dentry->d_inode->i_op->symlink2) {
++ struct inode_operations *op = nd.dentry->d_inode->i_op;
++ error = op->symlink2(nd.dentry->d_inode,
++ nd.last.name,
++ nd.last.len,
++ from);
++ /* the file system want to use normal vfs path now */
++ if (error != -EOPNOTSUPP)
++ goto out2;
++ }
++ it.it_data = from;
++ dentry = lookup_create(&nd, 0, &it);
+ error = PTR_ERR(dentry);
+ if (!IS_ERR(dentry)) {
+ error = vfs_symlink(nd.dentry->d_inode, dentry, from);
++ intent_release(dentry, &it);
+ dput(dentry);
+ }
+ up(&nd.dentry->d_inode->i_sem);
++ out2:
+ path_release(&nd);
+-out:
++ out:
+ putname(to);
+ }
+ putname(from);
+@@ -1648,6 +1811,7 @@ asmlinkage long sys_link(const char * ol
+ int error;
+ char * from;
+ char * to;
++ struct lookup_intent it = { .it_op = IT_LINK };
+
+ from = getname(oldname);
+ if(IS_ERR(from))
+@@ -1660,7 +1824,7 @@ asmlinkage long sys_link(const char * ol
+
+ error = 0;
+ if (path_init(from, LOOKUP_POSITIVE, &old_nd))
+- error = path_walk(from, &old_nd);
++ error = path_walk_it(from, &old_nd, &it);
+ if (error)
+ goto exit;
+ if (path_init(to, LOOKUP_PARENT, &nd))
+@@ -1670,10 +1834,22 @@ asmlinkage long sys_link(const char * ol
+ error = -EXDEV;
+ if (old_nd.mnt != nd.mnt)
+ goto out_release;
+- new_dentry = lookup_create(&nd, 0);
++ if (nd.dentry->d_inode->i_op->link2) {
++ struct inode_operations *op = nd.dentry->d_inode->i_op;
++ error = op->link2(old_nd.dentry->d_inode,
++ nd.dentry->d_inode,
++ nd.last.name,
++ nd.last.len);
++ /* the file system want to use normal vfs path now */
++ if (error != -EOPNOTSUPP)
++ goto out_release;
++ }
++ it.it_op = IT_LINK2;
++ new_dentry = lookup_create(&nd, 0, &it);
+ error = PTR_ERR(new_dentry);
+ if (!IS_ERR(new_dentry)) {
+ error = vfs_link(old_nd.dentry, nd.dentry->d_inode, new_dentry);
++ intent_release(new_dentry, &it);
+ dput(new_dentry);
+ }
+ up(&nd.dentry->d_inode->i_sem);
+@@ -1716,7 +1892,8 @@ exit:
+ * locking].
+ */
+ int vfs_rename_dir(struct inode *old_dir, struct dentry *old_dentry,
+- struct inode *new_dir, struct dentry *new_dentry)
++ struct inode *new_dir, struct dentry *new_dentry,
++ struct lookup_intent *it)
+ {
+ int error;
+ struct inode *target;
+@@ -1774,6 +1951,7 @@ int vfs_rename_dir(struct inode *old_dir
+ error = -EBUSY;
+ else
+ error = old_dir->i_op->rename(old_dir, old_dentry, new_dir, new_dentry);
++ intent_release(new_dentry, it);
+ if (target) {
+ if (!error)
+ target->i_flags |= S_DEAD;
+@@ -1795,7 +1973,8 @@ out_unlock:
+ }
+
+ int vfs_rename_other(struct inode *old_dir, struct dentry *old_dentry,
+- struct inode *new_dir, struct dentry *new_dentry)
++ struct inode *new_dir, struct dentry *new_dentry,
++ struct lookup_intent *it)
+ {
+ int error;
+
+@@ -1826,6 +2005,7 @@ int vfs_rename_other(struct inode *old_d
+ error = -EBUSY;
+ else
+ error = old_dir->i_op->rename(old_dir, old_dentry, new_dir, new_dentry);
++ intent_release(new_dentry, it);
+ double_up(&old_dir->i_zombie, &new_dir->i_zombie);
+ if (error)
+ return error;
+@@ -1837,13 +2017,14 @@ int vfs_rename_other(struct inode *old_d
+ }
+
+ int vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
+- struct inode *new_dir, struct dentry *new_dentry)
++ struct inode *new_dir, struct dentry *new_dentry,
++ struct lookup_intent *it)
+ {
+ int error;
+ if (S_ISDIR(old_dentry->d_inode->i_mode))
+- error = vfs_rename_dir(old_dir,old_dentry,new_dir,new_dentry);
++ error = vfs_rename_dir(old_dir,old_dentry,new_dir,new_dentry,it);
+ else
+- error = vfs_rename_other(old_dir,old_dentry,new_dir,new_dentry);
++ error = vfs_rename_other(old_dir,old_dentry,new_dir,new_dentry,it);
+ if (!error) {
+ if (old_dir == new_dir)
+ inode_dir_notify(old_dir, DN_RENAME);
+@@ -1860,6 +2041,7 @@ static inline int do_rename(const char *
+ int error = 0;
+ struct dentry * old_dir, * new_dir;
+ struct dentry * old_dentry, *new_dentry;
++ struct lookup_intent it = { .it_op = IT_RENAME };
+ struct nameidata oldnd, newnd;
+
+ if (path_init(oldname, LOOKUP_PARENT, &oldnd))
+@@ -1886,9 +2068,23 @@ static inline int do_rename(const char *
+ if (newnd.last_type != LAST_NORM)
+ goto exit2;
+
++ if (old_dir->d_inode->i_op->rename2) {
++ lock_kernel();
++ error = old_dir->d_inode->i_op->rename2(old_dir->d_inode,
++ new_dir->d_inode,
++ oldnd.last.name,
++ oldnd.last.len,
++ newnd.last.name,
++ newnd.last.len);
++ unlock_kernel();
++ /* the file system want to use normal vfs path now */
++ if (error != -EOPNOTSUPP)
++ goto exit2;
++ }
++
+ double_lock(new_dir, old_dir);
+
+- old_dentry = lookup_hash(&oldnd.last, old_dir);
++ old_dentry = lookup_hash_it(&oldnd.last, old_dir, &it);
+ error = PTR_ERR(old_dentry);
+ if (IS_ERR(old_dentry))
+ goto exit3;
+@@ -1904,18 +2100,21 @@ static inline int do_rename(const char *
+ if (newnd.last.name[newnd.last.len])
+ goto exit4;
+ }
+- new_dentry = lookup_hash(&newnd.last, new_dir);
++ it.it_op = IT_RENAME2;
++ new_dentry = lookup_hash_it(&newnd.last, new_dir, &it);
+ error = PTR_ERR(new_dentry);
+ if (IS_ERR(new_dentry))
+ goto exit4;
+
+ lock_kernel();
+ error = vfs_rename(old_dir->d_inode, old_dentry,
+- new_dir->d_inode, new_dentry);
++ new_dir->d_inode, new_dentry, &it);
+ unlock_kernel();
+
++ intent_release(new_dentry, &it);
+ dput(new_dentry);
+ exit4:
++ intent_release(old_dentry, &it);
+ dput(old_dentry);
+ exit3:
+ double_up(&new_dir->d_inode->i_sem, &old_dir->d_inode->i_sem);
+@@ -1964,7 +2163,8 @@ out:
+ }
+
+ static inline int
+-__vfs_follow_link(struct nameidata *nd, const char *link)
++__vfs_follow_link(struct nameidata *nd, const char *link,
++ struct lookup_intent *it)
+ {
+ int res = 0;
+ char *name;
+@@ -1977,7 +2177,7 @@ __vfs_follow_link(struct nameidata *nd,
+ /* weird __emul_prefix() stuff did it */
+ goto out;
+ }
+- res = link_path_walk(link, nd);
++ res = link_path_walk_it(link, nd, it);
+ out:
+ if (current->link_count || res || nd->last_type!=LAST_NORM)
+ return res;
+@@ -1999,7 +2199,13 @@ fail:
+
+ int vfs_follow_link(struct nameidata *nd, const char *link)
+ {
+- return __vfs_follow_link(nd, link);
++ return __vfs_follow_link(nd, link, NULL);
++}
++
++int vfs_follow_link_it(struct nameidata *nd, const char *link,
++ struct lookup_intent *it)
++{
++ return __vfs_follow_link(nd, link, it);
+ }
+
+ /* get the link contents into pagecache */
+@@ -2041,7 +2247,7 @@ int page_follow_link(struct dentry *dent
+ {
+ struct page *page = NULL;
+ char *s = page_getlink(dentry, &page);
+- int res = __vfs_follow_link(nd, s);
++ int res = __vfs_follow_link(nd, s, NULL);
+ if (page) {
+ kunmap(page);
+ page_cache_release(page);
+--- linux-2.4.19-hp2_pnnl2/fs/nfsd/vfs.c~vfs_intent_hp Sun Jan 19 19:04:47 2003
++++ linux-2.4.19-hp2_pnnl2-root/fs/nfsd/vfs.c Sun Jan 19 19:37:57 2003
+@@ -1295,7 +1295,7 @@ nfsd_rename(struct svc_rqst *rqstp, stru
+ err = nfserr_perm;
+ } else
+ #endif
+- err = vfs_rename(fdir, odentry, tdir, ndentry);
++ err = vfs_rename(fdir, odentry, tdir, ndentry, NULL);
+ if (!err && EX_ISSYNC(tfhp->fh_export)) {
+ nfsd_sync_dir(tdentry);
+ nfsd_sync_dir(fdentry);
+--- linux-2.4.19-hp2_pnnl2/fs/open.c~vfs_intent_hp Sun Jan 19 19:04:47 2003
++++ linux-2.4.19-hp2_pnnl2-root/fs/open.c Sun Jan 19 19:41:00 2003
+@@ -19,6 +19,9 @@
+ #include <asm/uaccess.h>
+
+ #define special_file(m) (S_ISCHR(m)||S_ISBLK(m)||S_ISFIFO(m)||S_ISSOCK(m))
++extern int path_walk_it(const char *name, struct nameidata *nd,
++ struct lookup_intent *it);
++extern void intent_release(struct dentry *de, struct lookup_intent *it);
+
+ int vfs_statfs(struct super_block *sb, struct statfs *buf)
+ {
+@@ -118,12 +121,13 @@ static inline long do_sys_truncate(const
+ struct nameidata nd;
+ struct inode * inode;
+ int error;
++ struct lookup_intent it = { .it_op = IT_SETATTR };
+
+ error = -EINVAL;
+ if (length < 0) /* sorry, but loff_t says... */
+ goto out;
+
+- error = user_path_walk(path, &nd);
++ error = user_path_walk_it(path, &nd, &it);
+ if (error)
+ goto out;
+ inode = nd.dentry->d_inode;
+@@ -168,6 +172,7 @@ static inline long do_sys_truncate(const
+ put_write_access(inode);
+
+ dput_and_out:
++ intent_release(nd.dentry, &it);
+ path_release(&nd);
+ out:
+ return error;
+@@ -259,8 +264,9 @@ asmlinkage long sys_utime(char * filenam
+ struct nameidata nd;
+ struct inode * inode;
+ struct iattr newattrs;
++ struct lookup_intent it = { .it_op = IT_SETATTR };
+
+- error = user_path_walk(filename, &nd);
++ error = user_path_walk_it(filename, &nd, &it);
+ if (error)
+ goto out;
+ inode = nd.dentry->d_inode;
+@@ -286,6 +292,7 @@ asmlinkage long sys_utime(char * filenam
+ }
+ error = notify_change(nd.dentry, &newattrs);
+ dput_and_out:
++ intent_release(nd.dentry, &it);
+ path_release(&nd);
+ out:
+ return error;
+@@ -303,8 +310,9 @@ asmlinkage long sys_utimes(char * filena
+ struct nameidata nd;
+ struct inode * inode;
+ struct iattr newattrs;
++ struct lookup_intent it = { .it_op = IT_SETATTR };
+
+- error = user_path_walk(filename, &nd);
++ error = user_path_walk_it(filename, &nd, &it);
+
+ if (error)
+ goto out;
+@@ -331,6 +339,7 @@ asmlinkage long sys_utimes(char * filena
+ }
+ error = notify_change(nd.dentry, &newattrs);
+ dput_and_out:
++ intent_release(nd.dentry, &it);
+ path_release(&nd);
+ out:
+ return error;
+@@ -347,6 +356,7 @@ asmlinkage long sys_access(const char *
+ int old_fsuid, old_fsgid;
+ kernel_cap_t old_cap;
+ int res;
++ struct lookup_intent it = { .it_op = IT_GETATTR };
+
+ if (mode & ~S_IRWXO) /* where's F_OK, X_OK, W_OK, R_OK? */
+ return -EINVAL;
+@@ -364,13 +374,14 @@ asmlinkage long sys_access(const char *
+ else
+ current->cap_effective = current->cap_permitted;
+
+- res = user_path_walk(filename, &nd);
++ res = user_path_walk_it(filename, &nd, &it);
+ if (!res) {
+ res = permission(nd.dentry->d_inode, mode);
+ /* SuS v2 requires we report a read only fs too */
+ if(!res && (mode & S_IWOTH) && IS_RDONLY(nd.dentry->d_inode)
+ && !special_file(nd.dentry->d_inode->i_mode))
+ res = -EROFS;
++ intent_release(nd.dentry, &it);
+ path_release(&nd);
+ }
+
+@@ -386,6 +397,7 @@ asmlinkage long sys_chdir(const char * f
+ int error;
+ struct nameidata nd;
+ char *name;
++ struct lookup_intent it = { .it_op = IT_GETATTR };
+
+ name = getname(filename);
+ error = PTR_ERR(name);
+@@ -394,7 +406,7 @@ asmlinkage long sys_chdir(const char * f
+
+ error = 0;
+ if (path_init(name,LOOKUP_POSITIVE|LOOKUP_FOLLOW|LOOKUP_DIRECTORY,&nd))
+- error = path_walk(name, &nd);
++ error = path_walk_it(name, &nd, &it);
+ putname(name);
+ if (error)
+ goto out;
+@@ -406,6 +418,7 @@ asmlinkage long sys_chdir(const char * f
+ set_fs_pwd(current->fs, nd.mnt, nd.dentry);
+
+ dput_and_out:
++ intent_release(nd.dentry, &it);
+ path_release(&nd);
+ out:
+ return error;
+@@ -446,6 +459,7 @@ asmlinkage long sys_chroot(const char *
+ int error;
+ struct nameidata nd;
+ char *name;
++ struct lookup_intent it = { .it_op = IT_GETATTR };
+
+ name = getname(filename);
+ error = PTR_ERR(name);
+@@ -454,7 +468,7 @@ asmlinkage long sys_chroot(const char *
+
+ path_init(name, LOOKUP_POSITIVE | LOOKUP_FOLLOW |
+ LOOKUP_DIRECTORY | LOOKUP_NOALT, &nd);
+- error = path_walk(name, &nd);
++ error = path_walk_it(name, &nd, &it);
+ putname(name);
+ if (error)
+ goto out;
+@@ -471,6 +485,7 @@ asmlinkage long sys_chroot(const char *
+ set_fs_altroot();
+ error = 0;
+ dput_and_out:
++ intent_release(nd.dentry, &it);
+ path_release(&nd);
+ out:
+ return error;
+@@ -515,8 +530,9 @@ asmlinkage long sys_chmod(const char * f
+ struct inode * inode;
+ int error;
+ struct iattr newattrs;
++ struct lookup_intent it = { .it_op = IT_SETATTR };
+
+- error = user_path_walk(filename, &nd);
++ error = user_path_walk_it(filename, &nd, &it);
+ if (error)
+ goto out;
+ inode = nd.dentry->d_inode;
+@@ -536,6 +552,7 @@ asmlinkage long sys_chmod(const char * f
+ error = notify_change(nd.dentry, &newattrs);
+
+ dput_and_out:
++ intent_release(nd.dentry, &it);
+ path_release(&nd);
+ out:
+ return error;
+@@ -605,10 +622,12 @@ asmlinkage long sys_chown(const char * f
+ {
+ struct nameidata nd;
+ int error;
++ struct lookup_intent it = { .it_op = IT_SETATTR };
+
+- error = user_path_walk(filename, &nd);
++ error = user_path_walk_it(filename, &nd, &it);
+ if (!error) {
+ error = chown_common(nd.dentry, user, group);
++ intent_release(nd.dentry, &it);
+ path_release(&nd);
+ }
+ return error;
+@@ -618,10 +637,12 @@ asmlinkage long sys_lchown(const char *
+ {
+ struct nameidata nd;
+ int error;
++ struct lookup_intent it = { .it_op = IT_SETATTR };
+
+- error = user_path_walk_link(filename, &nd);
++ error = user_path_walk_link_it(filename, &nd, &it);
+ if (!error) {
+ error = chown_common(nd.dentry, user, group);
++ intent_release(nd.dentry, &it);
+ path_release(&nd);
+ }
+ return error;
+@@ -655,10 +676,16 @@ asmlinkage long sys_fchown(unsigned int
+ * for the internal routines (ie open_namei()/follow_link() etc). 00 is
+ * used by symlinks.
+ */
++extern int open_namei_it(const char *filename, int namei_flags, int mode,
++ struct nameidata *nd, struct lookup_intent *it);
++struct file *dentry_open_it(struct dentry *dentry, struct vfsmount *mnt,
++ int flags, struct lookup_intent *it);
++
+ struct file *filp_open(const char * filename, int flags, int mode)
+ {
+ int namei_flags, error;
+ struct nameidata nd;
++ struct lookup_intent it = { .it_op = IT_OPEN };
+
+ namei_flags = flags;
+ if ((namei_flags+1) & O_ACCMODE)
+@@ -666,14 +693,15 @@ struct file *filp_open(const char * file
+ if (namei_flags & O_TRUNC)
+ namei_flags |= 2;
+
+- error = open_namei(filename, namei_flags, mode, &nd);
+- if (!error)
+- return dentry_open(nd.dentry, nd.mnt, flags);
++ error = open_namei_it(filename, namei_flags, mode, &nd, &it);
++ if (error)
++ return ERR_PTR(error);
+
+- return ERR_PTR(error);
++ return dentry_open_it(nd.dentry, nd.mnt, flags, &it);
+ }
+
+-struct file *dentry_open(struct dentry *dentry, struct vfsmount *mnt, int flags)
++struct file *dentry_open_it(struct dentry *dentry, struct vfsmount *mnt,
++ int flags, struct lookup_intent *it)
+ {
+ struct file * f;
+ struct inode *inode;
+@@ -716,6 +744,7 @@ struct file *dentry_open(struct dentry *
+ }
+ f->f_flags &= ~(O_CREAT | O_EXCL | O_NOCTTY | O_TRUNC);
+
++ intent_release(dentry, it);
+ return f;
+
+ cleanup_all:
+@@ -730,11 +759,17 @@ cleanup_all:
+ cleanup_file:
+ put_filp(f);
+ cleanup_dentry:
++ intent_release(dentry, it);
+ dput(dentry);
+ mntput(mnt);
+ return ERR_PTR(error);
+ }
+
++struct file *dentry_open(struct dentry *dentry, struct vfsmount *mnt, int flags)
++{
++ return dentry_open_it(dentry, mnt, flags, NULL);
++}
++
+ /*
+ * Find an empty file descriptor entry, and mark it busy.
+ */
+--- linux-2.4.19-hp2_pnnl2/fs/stat.c~vfs_intent_hp Sun Jan 19 19:04:47 2003
++++ linux-2.4.19-hp2_pnnl2-root/fs/stat.c Sun Jan 19 19:44:51 2003
+@@ -13,6 +13,7 @@
+
+ #include <asm/uaccess.h>
+
++extern void intent_release(struct dentry *de, struct lookup_intent *it);
+ /*
+ * Revalidate the inode. This is required for proper NFS attribute caching.
+ */
+@@ -135,13 +136,15 @@ static int cp_new_stat(struct inode * in
+ asmlinkage long sys_stat(char * filename, struct __old_kernel_stat * statbuf)
+ {
+ struct nameidata nd;
++ struct lookup_intent it = { .it_op = IT_GETATTR };
+ int error;
+
+- error = user_path_walk(filename, &nd);
++ error = user_path_walk_it(filename, &nd, &it);
+ if (!error) {
+ error = do_revalidate(nd.dentry);
+ if (!error)
+ error = cp_old_stat(nd.dentry->d_inode, statbuf);
++ intent_release(nd.dentry, &it);
+ path_release(&nd);
+ }
+ return error;
+@@ -151,13 +154,15 @@ asmlinkage long sys_stat(char * filename
+ asmlinkage long sys_newstat(char * filename, struct stat * statbuf)
+ {
+ struct nameidata nd;
++ struct lookup_intent it = { .it_op = IT_GETATTR };
+ int error;
+
+- error = user_path_walk(filename, &nd);
++ error = user_path_walk_it(filename, &nd, &it);
+ if (!error) {
+ error = do_revalidate(nd.dentry);
+ if (!error)
+ error = cp_new_stat(nd.dentry->d_inode, statbuf);
++ intent_release(nd.dentry, &it);
+ path_release(&nd);
+ }
+ return error;
+@@ -172,13 +177,15 @@ asmlinkage long sys_newstat(char * filen
+ asmlinkage long sys_lstat(char * filename, struct __old_kernel_stat * statbuf)
+ {
+ struct nameidata nd;
++ struct lookup_intent it = { .it_op = IT_GETATTR };
+ int error;
+
+- error = user_path_walk_link(filename, &nd);
++ error = user_path_walk_link_it(filename, &nd, &it);
+ if (!error) {
+ error = do_revalidate(nd.dentry);
+ if (!error)
+ error = cp_old_stat(nd.dentry->d_inode, statbuf);
++ intent_release(nd.dentry, &it);
+ path_release(&nd);
+ }
+ return error;
+@@ -189,13 +196,15 @@ asmlinkage long sys_lstat(char * filenam
+ asmlinkage long sys_newlstat(char * filename, struct stat * statbuf)
+ {
+ struct nameidata nd;
++ struct lookup_intent it = { .it_op = IT_GETATTR };
+ int error;
+
+- error = user_path_walk_link(filename, &nd);
++ error = user_path_walk_link_it(filename, &nd, &it);
+ if (!error) {
+ error = do_revalidate(nd.dentry);
+ if (!error)
+ error = cp_new_stat(nd.dentry->d_inode, statbuf);
++ intent_release(nd.dentry, &it);
+ path_release(&nd);
+ }
+ return error;
+@@ -247,11 +256,12 @@ asmlinkage long sys_readlink(const char
+ {
+ struct nameidata nd;
+ int error;
++ struct lookup_intent it = { .it_op = IT_READLINK };
+
+ if (bufsiz <= 0)
+ return -EINVAL;
+
+- error = user_path_walk_link(path, &nd);
++ error = user_path_walk_link_it(path, &nd, &it);
+ if (!error) {
+ struct inode * inode = nd.dentry->d_inode;
+
+@@ -261,6 +271,7 @@ asmlinkage long sys_readlink(const char
+ UPDATE_ATIME(inode);
+ error = inode->i_op->readlink(nd.dentry, buf, bufsiz);
+ }
++ intent_release(nd.dentry, &it);
+ path_release(&nd);
+ }
+ return error;
+@@ -333,12 +344,14 @@ asmlinkage long sys_stat64(char * filena
+ {
+ struct nameidata nd;
+ int error;
++ struct lookup_intent it = { .it_op = IT_GETATTR };
+
+- error = user_path_walk(filename, &nd);
++ error = user_path_walk_it(filename, &nd, &it);
+ if (!error) {
+ error = do_revalidate(nd.dentry);
+ if (!error)
+ error = cp_new_stat64(nd.dentry->d_inode, statbuf);
++ intent_release(nd.dentry, &it);
+ path_release(&nd);
+ }
+ return error;
+@@ -348,12 +361,14 @@ asmlinkage long sys_lstat64(char * filen
+ {
+ struct nameidata nd;
+ int error;
++ struct lookup_intent it = { .it_op = IT_GETATTR };
+
+- error = user_path_walk_link(filename, &nd);
++ error = user_path_walk_link_it(filename, &nd, &it);
+ if (!error) {
+ error = do_revalidate(nd.dentry);
+ if (!error)
+ error = cp_new_stat64(nd.dentry->d_inode, statbuf);
++ intent_release(nd.dentry, &it);
+ path_release(&nd);
+ }
+ return error;
+--- linux-2.4.19-hp2_pnnl2/include/linux/dcache.h~vfs_intent_hp Sun Jan 19 19:04:47 2003
++++ linux-2.4.19-hp2_pnnl2-root/include/linux/dcache.h Sun Jan 19 19:04:48 2003
+@@ -6,6 +6,34 @@
+ #include <asm/atomic.h>
+ #include <linux/mount.h>
+
++#define IT_OPEN (1)
++#define IT_CREAT (1<<1)
++#define IT_MKDIR (1<<2)
++#define IT_LINK (1<<3)
++#define IT_LINK2 (1<<4)
++#define IT_SYMLINK (1<<5)
++#define IT_UNLINK (1<<6)
++#define IT_RMDIR (1<<7)
++#define IT_RENAME (1<<8)
++#define IT_RENAME2 (1<<9)
++#define IT_READDIR (1<<10)
++#define IT_GETATTR (1<<11)
++#define IT_SETATTR (1<<12)
++#define IT_READLINK (1<<13)
++#define IT_MKNOD (1<<14)
++#define IT_LOOKUP (1<<15)
++
++struct lookup_intent {
++ int it_op;
++ int it_mode;
++ int it_disposition;
++ int it_status;
++ struct iattr *it_iattr;
++ __u64 it_lock_handle[2];
++ int it_lock_mode;
++ void *it_data;
++};
++
+ /*
+ * linux/include/linux/dcache.h
+ *
+@@ -78,6 +106,7 @@ struct dentry {
+ unsigned long d_time; /* used by d_revalidate */
+ struct dentry_operations *d_op;
+ struct super_block * d_sb; /* The root of the dentry tree */
++ struct lookup_intent *d_it;
+ unsigned long d_vfs_flags;
+ void * d_fsdata; /* fs-specific data */
+ unsigned char d_iname[DNAME_INLINE_LEN]; /* small names */
+@@ -90,6 +119,8 @@ struct dentry_operations {
+ int (*d_delete)(struct dentry *);
+ void (*d_release)(struct dentry *);
+ void (*d_iput)(struct dentry *, struct inode *);
++ int (*d_revalidate2)(struct dentry *, int, struct lookup_intent *);
++ void (*d_intent_release)(struct dentry *, struct lookup_intent *);
+ };
+
+ /* the dentry parameter passed to d_hash and d_compare is the parent
+--- linux-2.4.19-hp2_pnnl2/include/linux/fs.h~vfs_intent_hp Sun Jan 19 19:04:47 2003
++++ linux-2.4.19-hp2_pnnl2-root/include/linux/fs.h Sun Jan 19 19:04:48 2003
+@@ -575,6 +575,7 @@ struct file {
+
+ /* needed for tty driver, and maybe others */
+ void *private_data;
++ struct lookup_intent *f_intent;
+
+ /* preallocated helper kiobuf to speedup O_DIRECT */
+ struct kiobuf *f_iobuf;
+@@ -815,7 +816,9 @@ extern int vfs_symlink(struct inode *, s
+ extern int vfs_link(struct dentry *, struct inode *, struct dentry *);
+ extern int vfs_rmdir(struct inode *, struct dentry *);
+ extern int vfs_unlink(struct inode *, struct dentry *);
+-extern int vfs_rename(struct inode *, struct dentry *, struct inode *, struct dentry *);
++int vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
++ struct inode *new_dir, struct dentry *new_dentry,
++ struct lookup_intent *it);
+
+ /*
+ * File types
+@@ -876,16 +879,28 @@ struct file_operations {
+ struct inode_operations {
+ int (*create) (struct inode *,struct dentry *,int);
+ struct dentry * (*lookup) (struct inode *,struct dentry *);
++ struct dentry * (*lookup2) (struct inode *,struct dentry *, struct lookup_intent *);
+ int (*link) (struct dentry *,struct inode *,struct dentry *);
++ int (*link2) (struct inode *,struct inode *, const char *, int);
+ int (*unlink) (struct inode *,struct dentry *);
++ int (*unlink2) (struct inode *, char *, int);
+ int (*symlink) (struct inode *,struct dentry *,const char *);
++ int (*symlink2) (struct inode *,const char *, int, const char *);
+ int (*mkdir) (struct inode *,struct dentry *,int);
++ int (*mkdir2) (struct inode *,char *, int,int);
+ int (*rmdir) (struct inode *,struct dentry *);
++ int (*rmdir2) (struct inode *, char *, int);
+ int (*mknod) (struct inode *,struct dentry *,int,int);
++ int (*mknod2) (struct inode *,char *, int,int,int);
+ int (*rename) (struct inode *, struct dentry *,
+ struct inode *, struct dentry *);
++ int (*rename2) (struct inode *, struct inode *,
++ char *oldname, int oldlen,
++ char *newname, int newlen);
+ int (*readlink) (struct dentry *, char *,int);
+ int (*follow_link) (struct dentry *, struct nameidata *);
++ int (*follow_link2) (struct dentry *, struct nameidata *,
++ struct lookup_intent *it);
+ void (*truncate) (struct inode *);
+ int (*permission) (struct inode *, int);
+ int (*revalidate) (struct dentry *);
+@@ -1354,6 +1369,7 @@ typedef int (*read_actor_t)(read_descrip
+ extern loff_t default_llseek(struct file *file, loff_t offset, int origin);
+
+ extern int FASTCALL(__user_walk(const char *, unsigned, struct nameidata *));
++extern int FASTCALL(__user_walk_it(const char *, unsigned, struct nameidata *, struct lookup_intent *it));
+ extern int FASTCALL(path_init(const char *, unsigned, struct nameidata *));
+ extern int FASTCALL(path_walk(const char *, struct nameidata *));
+ extern int FASTCALL(link_path_walk(const char *, struct nameidata *));
+@@ -1364,6 +1380,8 @@ extern struct dentry * lookup_one_len(co
+ extern struct dentry * lookup_hash(struct qstr *, struct dentry *);
+ #define user_path_walk(name,nd) __user_walk(name, LOOKUP_FOLLOW|LOOKUP_POSITIVE, nd)
+ #define user_path_walk_link(name,nd) __user_walk(name, LOOKUP_POSITIVE, nd)
++#define user_path_walk_it(name,nd,it) __user_walk_it(name, LOOKUP_FOLLOW|LOOKUP_POSITIVE, nd, it)
++#define user_path_walk_link_it(name,nd,it) __user_walk_it(name, LOOKUP_POSITIVE, nd, it)
+
+ extern void inode_init_once(struct inode *);
+ extern void iput(struct inode *);
+@@ -1499,6 +1517,8 @@ extern struct file_operations generic_ro
+
+ extern int vfs_readlink(struct dentry *, char *, int, const char *);
+ extern int vfs_follow_link(struct nameidata *, const char *);
++extern int vfs_follow_link_it(struct nameidata *, const char *,
++ struct lookup_intent *it);
+ extern int page_readlink(struct dentry *, char *, int);
+ extern int page_follow_link(struct dentry *, struct nameidata *);
+ extern struct inode_operations page_symlink_inode_operations;
+--- linux-2.4.19-hp2_pnnl2/kernel/ksyms.c~vfs_intent_hp Sun Jan 19 19:04:47 2003
++++ linux-2.4.19-hp2_pnnl2-root/kernel/ksyms.c Sun Jan 19 19:04:48 2003
+@@ -293,6 +293,7 @@ EXPORT_SYMBOL(read_cache_page);
+ EXPORT_SYMBOL(set_page_dirty);
+ EXPORT_SYMBOL(vfs_readlink);
+ EXPORT_SYMBOL(vfs_follow_link);
++EXPORT_SYMBOL(vfs_follow_link_it);
+ EXPORT_SYMBOL(page_readlink);
+ EXPORT_SYMBOL(page_follow_link);
+ EXPORT_SYMBOL(page_symlink_inode_operations);
+
+_
git://git.whamcloud.com / fs / lustre-release.git / commitdiff