struct dentry * dentry = d_lookup(parent, name);
+ if (dentry && dentry->d_op && dentry->d_op->d_revalidate_it) {
-+ if (!dentry->d_op->d_revalidate_it(dentry, flags, it) &&
++ if (!dentry->d_op->d_revalidate_it(dentry, flags, NULL, it) &&
+ !d_invalidate(dentry)) {
+ dput(dentry);
+ dentry = NULL;
if (dentry) {
lock_kernel();
+ if (dir->i_op->lookup_it)
-+ result = dir->i_op->lookup_it(dir, dentry, it, flags);
++ result = dir->i_op->lookup_it(dir, dentry, NULL, it, flags);
+ else
result = dir->i_op->lookup(dir, dentry);
unlock_kernel();
result = ERR_PTR(-ENOENT);
}
+ } else if (result->d_op && result->d_op->d_revalidate_it) {
-+ if (!result->d_op->d_revalidate_it(result, flags, it) &&
++ if (!result->d_op->d_revalidate_it(result, flags, NULL, it) &&
+ !d_invalidate(result)) {
+ dput(result);
+ if (counter > 10)
dentry = nd->dentry;
+ if (dentry && dentry->d_op && dentry->d_op->d_revalidate_it) {
+ err = -ESTALE;
-+ if (!dentry->d_op->d_revalidate_it(dentry, 0, it)) {
++ if (!dentry->d_op->d_revalidate_it(dentry, 0, NULL, it)) {
+ struct dentry *new;
+ err = permission(dentry->d_parent->d_inode,
+ MAY_EXEC);
goto out;
lock_kernel();
+ if (inode->i_op->lookup_it)
-+ dentry = inode->i_op->lookup_it(inode, new, it, 0);
++ dentry = inode->i_op->lookup_it(inode, new, NULL, it, 0);
+ else
dentry = inode->i_op->lookup(inode, new);
unlock_kernel();
+
/* 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 dentry *lookup_create(struct nameidata *nd, int is_dir,
+ struct lookup_intent *it)
{
struct dentry *dentry;
list_add(&mnt->mnt_hash, mount_hashtable+hash(nd->mnt, nd->dentry));
list_add(&mnt->mnt_child, &nd->mnt->mnt_mounts);
nd->dentry->d_mounted++;
+@@ -286,7 +293,7 @@
+ }
+ }
+
+-static int do_umount(struct vfsmount *mnt, int flags)
++int do_umount(struct vfsmount *mnt, int flags)
+ {
+ struct super_block * sb = mnt->mnt_sb;
+ int retval = 0;
@@ -485,14 +487,17 @@
{
struct nameidata old_nd;
===================================================================
--- linux-2.4.20.orig/include/linux/dcache.h Wed Mar 17 13:57:04 2004
+++ linux-2.4.20/include/linux/dcache.h Wed Mar 17 13:57:11 2004
-@@ -6,6 +6,51 @@
+@@ -6,6 +6,52 @@
#include <asm/atomic.h>
#include <linux/mount.h>
#include <linux/kernel.h>
+#define IT_GETXATTR 0x0040
+#define IT_EXEC 0x0080
+#define IT_PIN 0x0100
++#define IT_CHDIR 0x0200
+
+#define IT_FL_LOCKED 0x0001
+#define IT_FL_FOLLOWED 0x0002 /* set by vfs_follow_link */
/*
* linux/include/linux/dcache.h
+@@ -84,6 +130,8 @@
+ unsigned char d_iname[DNAME_INLINE_LEN]; /* small names */
+ };
+
++struct nameidata;
++
+ struct dentry_operations {
+ int (*d_revalidate)(struct dentry *, int);
+ int (*d_hash) (struct dentry *, struct qstr *);
@@ -96,8 +141,22 @@
int (*d_delete)(struct dentry *);
void (*d_release)(struct dentry *);
void (*d_iput)(struct dentry *, struct inode *);
-+ int (*d_revalidate_it)(struct dentry *, int, struct lookup_intent *);
++ int (*d_revalidate_it)(struct dentry *, int, struct nameidata *, struct lookup_intent *);
+ void (*d_pin)(struct dentry *, struct vfsmount * , int);
+ void (*d_unpin)(struct dentry *, struct vfsmount *, int);
};
int (*create) (struct inode *,struct dentry *,int);
+ int (*create_it) (struct inode *,struct dentry *,int, struct lookup_intent *);
struct dentry * (*lookup) (struct inode *,struct dentry *);
-+ struct dentry * (*lookup_it) (struct inode *,struct dentry *, struct lookup_intent *, int flags);
++ struct dentry * (*lookup_it) (struct inode *,struct dentry *, struct nameidata *, struct lookup_intent *, int flags);
int (*link) (struct dentry *,struct inode *,struct dentry *);
+ int (*link_raw) (struct nameidata *,struct nameidata *);
int (*unlink) (struct inode *,struct dentry *);
int (*getattr) (struct dentry *, struct iattr *);
int (*setxattr) (struct dentry *, const char *, void *, size_t, int);
ssize_t (*getxattr) (struct dentry *, const char *, void *, size_t);
-@@ -1092,10 +1111,14 @@
+@@ -938,6 +957,7 @@
+ int (*remount_fs) (struct super_block *, int *, char *);
+ void (*clear_inode) (struct inode *);
+ void (*umount_begin) (struct super_block *);
++ void (*umount_lustre) (struct super_block *);
+
+ /* Following are for knfsd to interact with "interesting" filesystems
+ * Currently just reiserfs, but possibly FAT and others later
+@@ -1092,10 +1111,16 @@
asmlinkage long sys_open(const char *, int, int);
asmlinkage long sys_close(unsigned int); /* yes, it's really unsigned */
-extern int do_truncate(struct dentry *, loff_t start);
+extern int do_truncate(struct dentry *, loff_t start, int called_from_open);
++struct dentry *lookup_create(struct nameidata *nd, int is_dir,
++ struct lookup_intent *it);
extern struct file *filp_open(const char *, int, int);
extern struct file * dentry_open(struct dentry *, struct vfsmount *, int);
===================================================================
--- linux-2.4.20.orig/kernel/ksyms.c Wed Mar 17 13:57:11 2004
+++ linux-2.4.20/kernel/ksyms.c Wed Mar 17 13:57:11 2004
-@@ -297,6 +297,7 @@
+@@ -297,6 +297,9 @@
EXPORT_SYMBOL(set_page_dirty);
EXPORT_SYMBOL(vfs_readlink);
EXPORT_SYMBOL(vfs_follow_link);
+EXPORT_SYMBOL(vfs_follow_link_it);
++EXPORT_SYMBOL(do_umount);
++EXPORT_SYMBOL(lookup_create);
EXPORT_SYMBOL(page_readlink);
EXPORT_SYMBOL(page_follow_link);
EXPORT_SYMBOL(page_symlink_inode_operations);
+===== include/linux/mount.h 1.7 vs edited =====
+--- linux-2.4.20.orig/include/linux/mount.h Tue Feb 5 09:49:35 2002
++++ linux-2.4.20/include/linux/mount.h Tue May 4 19:23:48 2004
+@@ -29,6 +29,8 @@
+ int mnt_flags;
+ char *mnt_devname; /* Name of device e.g. /dev/dsk/hda1 */
+ struct list_head mnt_list;
++ struct list_head mnt_lustre_list; /* GNS mount list */
++ unsigned long mnt_last_used; /* for GNS auto-umount (jiffies) */
+ };
+
+ static inline struct vfsmount *mntget(struct vfsmount *mnt)
+@@ -39,6 +39,7 @@
+ }
+
+ extern void __mntput(struct vfsmount *mnt);
++extern int do_umount(struct vfsmount *mnt, int flags);
+
+ static inline void mntput(struct vfsmount *mnt)
+ {
git://git.whamcloud.com / fs / lustre-release.git / blobdiff