--- /dev/null
+ arch/um/kernel/mem.c | 18 +++++++++++-
+ fs/dcache.c | 12 ++++++--
+ fs/namei.c | 71 +++++++++++++++++++++++++++++++++++--------------
+ fs/namespace.c | 1
+ fs/nfsd/vfs.c | 2 -
+ fs/sysfs/inode.c | 2 -
+ include/linux/dcache.h | 28 +++++++++++++++++++
+ include/linux/fs.h | 20 +++++++++++++
+ include/linux/namei.h | 3 +-
+ include/linux/slab.h | 1
+ kernel/ksyms.c | 7 ++++
+ mm/slab.c | 5 +++
+ net/unix/af_unix.c | 2 -
+ 13 files changed, 143 insertions(+), 29 deletions(-)
+
+--- linux-2.5.63/arch/um/kernel/mem.c~lustre-2.5.63 Thu Mar 13 20:57:08 2003
++++ linux-2.5.63-kedar/arch/um/kernel/mem.c Thu Mar 13 20:57:08 2003
+@@ -660,6 +660,22 @@ struct page *pte_mem_map(pte_t pte)
+ return(phys_mem_map(pte_val(pte)));
+ }
+
++struct page *check_get_page(unsigned long kaddr)
++{
++ struct page *page;
++ struct mem_region *mr;
++ unsigned long phys = __pa(kaddr);
++ unsigned int n = phys_region_index(phys);
++
++ if(regions[n] == NULL)
++ return NULL;
++
++ mr = regions[n];
++ page = (struct page *) mr->mem_map;
++ return page + ((phys_addr(phys)) >> PAGE_SHIFT);
++}
++
++
+ struct mem_region *page_region(struct page *page, int *index_out)
+ {
+ int i;
+@@ -747,7 +763,7 @@ extern unsigned long region_pa(void *vir
+ (addr <= region->start + region->len))
+ return(mk_phys(addr - region->start, i));
+ }
+- panic("region_pa : no region for virtual address");
++ //panic("region_pa : no region for virtual address");
+ return(0);
+ }
+
+--- linux-2.5.63/fs/namei.c~lustre-2.5.63 Thu Mar 13 20:57:08 2003
++++ linux-2.5.63-kedar/fs/namei.c Thu Mar 13 20:57:08 2003
+@@ -265,6 +265,9 @@ int deny_write_access(struct file * file
+
+ void path_release(struct nameidata *nd)
+ {
++ if (nd->dentry && nd->dentry->d_op &&
++ nd->dentry->d_op->d_intent_release)
++ nd->dentry->d_op->d_intent_release(nd->dentry, &nd->it);
+ dput(nd->dentry);
+ mntput(nd->mnt);
+ }
+@@ -273,10 +276,18 @@ 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);
+@@ -330,7 +341,7 @@ ok:
+ * 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;
+@@ -348,7 +359,10 @@ static struct dentry * real_lookup(struc
+ struct dentry * dentry = d_alloc(parent, name);
+ result = ERR_PTR(-ENOMEM);
+ if (dentry) {
+- result = dir->i_op->lookup(dir, dentry);
++ if (dir->i_op->lookup2)
++ result = dir->i_op->lookup2(dir, dentry, it);
++ else
++ result = dir->i_op->lookup(dir, dentry);
+ if (result)
+ dput(dentry);
+ else {
+@@ -370,6 +384,12 @@ 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;
+ }
+@@ -531,7 +551,7 @@ done:
+ return 0;
+
+ need_lookup:
+- dentry = real_lookup(nd->dentry, name, LOOKUP_CONTINUE);
++ dentry = real_lookup(nd->dentry, name, LOOKUP_CONTINUE, &nd->it);
+ if (IS_ERR(dentry))
+ goto fail;
+ goto done;
+@@ -665,7 +685,7 @@ int link_path_walk(const char * name, st
+ nd->dentry = next.dentry;
+ }
+ err = -ENOTDIR;
+- if (!inode->i_op->lookup)
++ if (!inode->i_op->lookup && !inode->i_op->lookup2)
+ break;
+ continue;
+ /* here ends the main loop */
+@@ -716,7 +736,8 @@ last_component:
+ break;
+ 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;
+@@ -857,7 +878,8 @@ int path_lookup(const char *name, unsign
+ * needs parent already locked. Doesn't follow mounts.
+ * SMP-safe.
+ */
+-struct dentry * lookup_hash(struct qstr *name, struct dentry * base)
++struct dentry * lookup_hash(struct qstr *name, struct dentry * base,
++ struct lookup_intent *it)
+ {
+ struct dentry * dentry;
+ struct inode *inode;
+@@ -880,13 +902,16 @@ 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;
+- dentry = inode->i_op->lookup(inode, new);
++ if (inode->i_op->lookup2)
++ dentry = inode->i_op->lookup2(inode, new, it);
++ else
++ dentry = inode->i_op->lookup(inode, new);
+ if (!dentry) {
+ dentry = new;
+ security_inode_post_lookup(inode, dentry);
+@@ -898,7 +923,7 @@ out:
+ }
+
+ /* SMP-safe */
+-struct dentry * lookup_one_len(const char * name, struct dentry * base, int len)
++struct dentry * lookup_one_len_it(const char * name, struct dentry * base, int len, struct lookup_intent *it)
+ {
+ unsigned long hash;
+ struct qstr this;
+@@ -918,11 +943,16 @@ struct dentry * lookup_one_len(const cha
+ }
+ this.hash = end_name_hash(hash);
+
+- return lookup_hash(&this, base);
++ return lookup_hash(&this, base, it);
+ access:
+ return ERR_PTR(-EACCES);
+ }
+
++struct dentry * lookup_one_len(const char * name, struct dentry * base, int len)
++{
++ return lookup_one_len_it(name, base, len, NULL);
++}
++
+ /*
+ * namei()
+ *
+@@ -1239,7 +1269,7 @@ 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(&nd->last, nd->dentry, &nd->it);
+
+ do_last:
+ error = PTR_ERR(dentry);
+@@ -1342,7 +1372,7 @@ do_link:
+ }
+ dir = nd->dentry;
+ down(&dir->d_inode->i_sem);
+- dentry = lookup_hash(&nd->last, nd->dentry);
++ dentry = lookup_hash(&nd->last, nd->dentry, &nd->it);
+ putname(nd->last.name);
+ goto do_last;
+ }
+@@ -1356,7 +1386,7 @@ 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(&nd->last, nd->dentry, &nd->it);
+ if (IS_ERR(dentry))
+ goto fail;
+ if (!is_dir && nd->last.name[nd->last.len] && !dentry->d_inode)
+@@ -1588,7 +1618,7 @@ asmlinkage long sys_rmdir(const char * p
+ goto exit1;
+ }
+ down(&nd.dentry->d_inode->i_sem);
+- dentry = lookup_hash(&nd.last, nd.dentry);
++ dentry = lookup_hash(&nd.last, nd.dentry, &nd.it);
+ error = PTR_ERR(dentry);
+ if (!IS_ERR(dentry)) {
+ error = vfs_rmdir(nd.dentry->d_inode, dentry);
+@@ -1655,7 +1685,7 @@ asmlinkage long sys_unlink(const char *
+ if (nd.last_type != LAST_NORM)
+ goto exit1;
+ down(&nd.dentry->d_inode->i_sem);
+- dentry = lookup_hash(&nd.last, nd.dentry);
++ dentry = lookup_hash(&nd.last, nd.dentry, &nd.it);
+ error = PTR_ERR(dentry);
+ if (!IS_ERR(dentry)) {
+ /* Why not before? Because we want correct error value */
+@@ -1934,7 +1964,8 @@ 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;
+ int is_dir = S_ISDIR(old_dentry->d_inode->i_mode);
+@@ -2005,7 +2036,7 @@ static inline int do_rename(const char *
+
+ trap = lock_rename(new_dir, old_dir);
+
+- old_dentry = lookup_hash(&oldnd.last, old_dir);
++ old_dentry = lookup_hash(&oldnd.last, old_dir, &oldnd.it);
+ error = PTR_ERR(old_dentry);
+ if (IS_ERR(old_dentry))
+ goto exit3;
+@@ -2025,7 +2056,7 @@ static inline int do_rename(const char *
+ error = -EINVAL;
+ if (old_dentry == trap)
+ goto exit4;
+- new_dentry = lookup_hash(&newnd.last, new_dir);
++ new_dentry = lookup_hash(&newnd.last, new_dir, &newnd.it);
+ error = PTR_ERR(new_dentry);
+ if (IS_ERR(new_dentry))
+ goto exit4;
+@@ -2035,7 +2066,7 @@ static inline int do_rename(const char *
+ goto exit5;
+
+ error = vfs_rename(old_dir->d_inode, old_dentry,
+- new_dir->d_inode, new_dentry);
++ new_dir->d_inode, new_dentry, NULL);
+ exit5:
+ dput(new_dentry);
+ exit4:
+--- linux-2.5.63/fs/nfsd/vfs.c~lustre-2.5.63 Thu Mar 13 20:57:08 2003
++++ linux-2.5.63-kedar/fs/nfsd/vfs.c Thu Mar 13 20:57:08 2003
+@@ -1337,7 +1337,7 @@ 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-2.5.63/fs/sysfs/inode.c~lustre-2.5.63 Thu Mar 13 20:57:08 2003
++++ linux-2.5.63-kedar/fs/sysfs/inode.c Thu Mar 13 20:57:08 2003
+@@ -540,7 +540,7 @@ static struct dentry * get_dentry(struct
+ qstr.name = name;
+ qstr.len = strlen(name);
+ qstr.hash = full_name_hash(name,qstr.len);
+- return lookup_hash(&qstr,parent);
++ return lookup_hash(&qstr,parent,NULL);
+ }
+
+
+--- linux-2.5.63/include/linux/dcache.h~lustre-2.5.63 Thu Mar 13 20:57:08 2003
++++ linux-2.5.63-kedar/include/linux/dcache.h Thu Mar 13 20:57:08 2003
+@@ -12,6 +12,27 @@
+
+ struct vfsmount;
+
++#define IT_OPEN (1)
++#define IT_CREAT (1<<1)
++#define IT_READDIR (1<<2)
++#define IT_GETATTR (1<<3)
++#define IT_LOOKUP (1<<4)
++#define IT_UNLINK (1<<5)
++
++
++struct lookup_intent {
++ int it_op;
++ int it_mode;
++ int it_flags;
++ 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
+ *
+@@ -34,6 +55,8 @@ struct qstr {
+ char name_str[0];
+ };
+
++#include <linux/namei.h>
++
+ struct dentry_stat_t {
+ int nr_dentry;
+ int nr_unused;
+@@ -87,6 +110,7 @@ struct dentry {
+ struct list_head d_subdirs; /* our children */
+ struct list_head d_alias; /* inode alias list */
+ int d_mounted;
++ struct lookup_intent *d_it;
+ struct qstr d_name;
+ struct qstr * d_qstr; /* quick str ptr used in lockless lookup and concurrent d_move */
+ unsigned long d_time; /* used by d_revalidate */
+@@ -107,6 +131,8 @@ 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
+@@ -147,6 +173,8 @@ d_iput: no no yes
+
+ #define DCACHE_REFERENCED 0x0008 /* Recently used, don't discard. */
+ #define DCACHE_UNHASHED 0x0010
++#define DCACHE_LUSTRE_INVALID 0x0011 /* Lustre invalidated */
++
+
+ extern spinlock_t dcache_lock;
+ extern rwlock_t dparent_lock;
+--- linux-2.5.63/include/linux/fs.h~lustre-2.5.63 Thu Mar 13 20:57:08 2003
++++ linux-2.5.63-kedar/include/linux/fs.h Thu Mar 13 20:57:08 2003
+@@ -234,6 +234,9 @@ typedef int (get_blocks_t)(struct inode
+ #define ATTR_ATTR_FLAG 1024
+ #define ATTR_KILL_SUID 2048
+ #define ATTR_KILL_SGID 4096
++#define ATTR_RAW 8192 /* file system, not vfs will massage attrs */
++#define ATTR_FROM_OPEN 16384 /* called from open path, ie O_TRUNC */
++
+
+ /*
+ * This is the Inode Attributes structure, used for notify_change(). It
+@@ -642,7 +645,7 @@ 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 *);
++extern int vfs_rename(struct inode *, struct dentry *, struct inode *, struct dentry *, struct lookup_intent *it);
+
+ /*
+ * File types
+@@ -728,19 +731,33 @@ 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 *, const 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 *, const char *, int,int);
+ int (*rmdir) (struct inode *,struct dentry *);
++ int (*rmdir2) (struct inode *, const char *, int);
+ int (*mknod) (struct inode *,struct dentry *,int,dev_t);
++ int (*mknod2) (struct inode *, const char *, int,int,int);
+ int (*rename) (struct inode *, struct dentry *,
+ struct inode *, struct dentry *);
++ int (*rename2) (struct inode *, struct inode *,
++ const char *oldname, int oldlen,
++ const 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 (*setattr) (struct dentry *, struct iattr *);
++ int (*setattr_raw) (struct inode *, struct iattr *);
+ int (*getattr) (struct vfsmount *mnt, struct dentry *, struct kstat *);
+ int (*setxattr) (struct dentry *, const char *,const void *,size_t,int);
+ ssize_t (*getxattr) (struct dentry *, const char *, void *, size_t,int);
+@@ -953,6 +970,7 @@ extern int register_filesystem(struct fi
+ extern int unregister_filesystem(struct file_system_type *);
+ extern struct vfsmount *kern_mount(struct file_system_type *);
+ extern int may_umount(struct vfsmount *);
++struct vfsmount *do_kern_mount(const char *type, int flags, char *name, void *data);
+ extern long do_mount(char *, char *, char *, unsigned long, void *);
+
+ extern int vfs_statfs(struct super_block *, struct statfs *);
+--- linux-2.5.63/include/linux/namei.h~lustre-2.5.63 Thu Mar 13 20:57:08 2003
++++ linux-2.5.63-kedar/include/linux/namei.h Thu Mar 13 20:57:08 2003
+@@ -11,6 +11,7 @@ struct nameidata {
+ struct qstr last;
+ unsigned int flags;
+ int last_type;
++ struct lookup_intent it;
+ };
+
+ /*
+@@ -44,7 +45,7 @@ extern int FASTCALL(link_path_walk(const
+ extern void path_release(struct nameidata *);
+
+ extern struct dentry * lookup_one_len(const char *, struct dentry *, int);
+-extern struct dentry * lookup_hash(struct qstr *, struct dentry *);
++extern struct dentry * lookup_hash(struct qstr *, struct dentry *, struct lookup_intent *);
+
+ extern int follow_down(struct vfsmount **, struct dentry **);
+ extern int follow_up(struct vfsmount **, struct dentry **);
+--- linux-2.5.63/include/linux/slab.h~lustre-2.5.63 Thu Mar 13 20:57:08 2003
++++ linux-2.5.63-kedar/include/linux/slab.h Thu Mar 13 20:57:08 2003
+@@ -55,6 +55,7 @@ extern int kmem_cache_destroy(kmem_cache
+ extern int kmem_cache_shrink(kmem_cache_t *);
+ extern void *kmem_cache_alloc(kmem_cache_t *, int);
+ extern void kmem_cache_free(kmem_cache_t *, void *);
++extern int kmem_cache_validate(kmem_cache_t *cachep, void *objp);
+ extern unsigned int kmem_cache_size(kmem_cache_t *);
+
+ extern void *kmalloc(size_t, int);
+--- linux-2.5.63/kernel/ksyms.c~lustre-2.5.63 Thu Mar 13 20:57:08 2003
++++ linux-2.5.63-kedar/kernel/ksyms.c Thu Mar 13 20:57:08 2003
+@@ -377,6 +377,7 @@ EXPORT_SYMBOL(unregister_filesystem);
+ EXPORT_SYMBOL(kern_mount);
+ EXPORT_SYMBOL(__mntput);
+ EXPORT_SYMBOL(may_umount);
++EXPORT_SYMBOL(reparent_to_init);
+
+ /* executable format registration */
+ EXPORT_SYMBOL(register_binfmt);
+@@ -407,6 +408,12 @@ EXPORT_SYMBOL(request_irq);
+ EXPORT_SYMBOL(free_irq);
+ EXPORT_SYMBOL(irq_stat);
+
++/* lustre */
++EXPORT_SYMBOL(do_kern_mount);
++EXPORT_SYMBOL(exit_files);
++EXPORT_SYMBOL(kmem_cache_validate);
++
++
+ /* waitqueue handling */
+ EXPORT_SYMBOL(add_wait_queue);
+ EXPORT_SYMBOL(add_wait_queue_exclusive);
+--- linux-2.5.63/mm/slab.c~lustre-2.5.63 Thu Mar 13 20:57:08 2003
++++ linux-2.5.63-kedar/mm/slab.c Thu Mar 13 20:57:08 2003
+@@ -1792,6 +1792,11 @@ static inline void __cache_free (kmem_ca
+ }
+ }
+
++int kmem_cache_validate(kmem_cache_t *cachep, void *objp)
++{
++ return 1;
++}
++
+ /**
+ * kmem_cache_alloc - Allocate an object
+ * @cachep: The cache to allocate from.
+--- linux-2.5.63/net/unix/af_unix.c~lustre-2.5.63 Thu Mar 13 20:57:08 2003
++++ linux-2.5.63-kedar/net/unix/af_unix.c Thu Mar 13 20:57:08 2003
+@@ -720,7 +720,7 @@ static int unix_bind(struct socket *sock
+ /*
+ * Do the final lookup.
+ */
+- dentry = lookup_hash(&nd.last, nd.dentry);
++ dentry = lookup_hash(&nd.last, nd.dentry, NULL);
+ err = PTR_ERR(dentry);
+ if (IS_ERR(dentry))
+ goto out_mknod_unlock;
+--- linux-2.5.63/fs/dcache.c~lustre-2.5.63 Thu Mar 13 20:57:08 2003
++++ linux-2.5.63-kedar/fs/dcache.c Thu Mar 13 20:57:08 2003
+@@ -1111,15 +1111,21 @@ void d_delete(struct dentry * dentry)
+ * Adds a dentry to the hash according to its name.
+ */
+
+-void d_rehash(struct dentry * entry)
++void __d_rehash(struct dentry * entry, int lock)
+ {
+ struct list_head *list = d_hash(entry->d_parent, entry->d_name.hash);
+- spin_lock(&dcache_lock);
++ if (lock) spin_lock(&dcache_lock);
+ if (!list_empty(&entry->d_hash) && !d_unhashed(entry)) BUG();
+ entry->d_vfs_flags &= ~DCACHE_UNHASHED;
+ entry->d_bucket = list;
+ list_add_rcu(&entry->d_hash, list);
+- spin_unlock(&dcache_lock);
++ if (lock) spin_unlock(&dcache_lock);
++}
++EXPORT_SYMBOL(__d_rehash);
++
++void d_rehash(struct dentry * entry)
++{
++ __d_rehash(entry, 1);
+ }
+
+ #define do_switch(x,y) do { \
+--- linux-2.5.63/fs/namespace.c~lustre-2.5.63 Thu Mar 13 20:58:54 2003
++++ linux-2.5.63-kedar/fs/namespace.c Thu Mar 13 20:59:22 2003
+@@ -925,6 +925,7 @@ void set_fs_pwd(struct fs_struct *fs, st
+ mntput(old_pwdmnt);
+ }
+ }
++EXPORT_SYMBOL(set_fs_pwd);
+
+ static void chroot_fs_refs(struct nameidata *old_nd, struct nameidata *new_nd)
+ {
+
+_