diff -ruN linux-2.2.15-vanilla/fs/buffer.c linux-2.2.15-fist/fs/buffer.c--- linux-2.2.15-vanilla/fs/buffer.c	Wed May  3 20:16:46 2000+++ linux-2.2.15-fist/fs/buffer.c	Mon May  8 12:30:48 2000@@ -1146,23 +1146,6 @@ 	goto try_again; } -/* Run the hooks that have to be done when a page I/O has completed. */-static inline void after_unlock_page (struct page * page)-{-	if (test_and_clear_bit(PG_decr_after, &page->flags)) {-		atomic_dec(&nr_async_pages);-#ifdef DEBUG_SWAP-		printk ("DebugVM: Finished IO on page %p, nr_async_pages %d\n",-			(char *) page_address(page), -			atomic_read(&nr_async_pages));-#endif-	}-	if (test_and_clear_bit(PG_swap_unlock_after, &page->flags))-		swap_after_unlock_page(page->offset);-	if (test_and_clear_bit(PG_free_after, &page->flags))-		__free_page(page);-}- /*  * Free all temporary buffers belonging to a page.  * This needs to be called with interrupts disabled.diff -ruN linux-2.2.15-vanilla/fs/exec.c linux-2.2.15-fist/fs/exec.c--- linux-2.2.15-vanilla/fs/exec.c	Tue Oct 26 20:53:42 1999+++ linux-2.2.15-fist/fs/exec.c	Mon May  8 12:30:48 2000@@ -319,7 +319,7 @@ 		mpnt->vm_ops = NULL; 		mpnt->vm_offset = 0; 		mpnt->vm_file = NULL;-		mpnt->vm_pte = 0;+		mpnt->vm_private_data = (void *) 0; 		insert_vm_struct(current->mm, mpnt); 		current->mm->total_vm = (mpnt->vm_end - mpnt->vm_start) >> PAGE_SHIFT; 	}diff -ruN linux-2.2.15-vanilla/fs/namei.c linux-2.2.15-fist/fs/namei.c--- linux-2.2.15-vanilla/fs/namei.c	Tue Jan  4 13:12:23 2000+++ linux-2.2.15-fist/fs/namei.c	Mon May  8 12:30:48 2000@@ -16,6 +16,7 @@ #include <linux/proc_fs.h> #include <linux/smp_lock.h> #include <linux/quotaops.h>+#include <linux/dcache_func.h>  #include <asm/uaccess.h> #include <asm/unaligned.h>@@ -544,83 +545,6 @@ 		return -EEXIST; 	return permission(dir,MAY_WRITE | MAY_EXEC); }--static inline struct dentry *get_parent(struct dentry *dentry)-{-	return dget(dentry->d_parent);-}--static inline void unlock_dir(struct dentry *dir)-{-	up(&dir->d_inode->i_sem);-	dput(dir);-}--/*- * We need to do a check-parent every time- * after we have locked the parent - to verify- * that the parent is still our parent and- * that we are still hashed onto it..- *- * This is requied in case two processes race- * on removing (or moving) the same entry: the- * parent lock will serialize them, but the- * other process will be too late..- */-#define check_parent(dir, dentry) \-	((dir) == (dentry)->d_parent && !list_empty(&dentry->d_hash))--/*- * Locking the parent is needed to:- *  - serialize directory operations- *  - make sure the parent doesn't change from- *    under us in the middle of an operation.- *- * NOTE! Right now we'd rather use a "struct inode"- * for this, but as I expect things to move toward- * using dentries instead for most things it is- * probably better to start with the conceptually- * better interface of relying on a path of dentries.- */-static inline struct dentry *lock_parent(struct dentry *dentry)-{-	struct dentry *dir = dget(dentry->d_parent);--	down(&dir->d_inode->i_sem);-	return dir;-}--/*- * Whee.. Deadlock country. Happily there are only two VFS- * operations that do this..- */-static inline void double_lock(struct dentry *d1, struct dentry *d2)-{-	struct semaphore *s1 = &d1->d_inode->i_sem;-	struct semaphore *s2 = &d2->d_inode->i_sem;--	if (s1 != s2) {-		if ((unsigned long) s1 < (unsigned long) s2) {-			struct semaphore *tmp = s2;-			s2 = s1; s1 = tmp;-		}-		down(s1);-	}-	down(s2);-}--static inline void double_unlock(struct dentry *d1, struct dentry *d2)-{-	struct semaphore *s1 = &d1->d_inode->i_sem;-	struct semaphore *s2 = &d2->d_inode->i_sem;--	up(s1);-	if (s1 != s2)-		up(s2);-	dput(d1);-	dput(d2);-}-  /*   * Special case: O_CREAT|O_EXCL implies O_NOFOLLOW for securitydiff -ruN linux-2.2.15-vanilla/fs/nfsd/vfs.c linux-2.2.15-fist/fs/nfsd/vfs.c--- linux-2.2.15-vanilla/fs/nfsd/vfs.c	Tue Jan  4 13:12:23 2000+++ linux-2.2.15-fist/fs/nfsd/vfs.c	Mon May  8 12:30:48 2000@@ -1029,12 +1029,15 @@  * that the parent is still our parent and  * that we are still hashed onto it..  *- * This is requied in case two processes race+ * This is required in case two processes race  * on removing (or moving) the same entry: the  * parent lock will serialize them, but the  * other process will be too late..+ *+ * Note that this nfsd_check_parent is different+ * than the one in linux/include/dcache_func.h.  */-#define check_parent(dir, dentry) \+#define nfsd_check_parent(dir, dentry) \ 	((dir) == (dentry)->d_parent->d_inode && !list_empty(&dentry->d_hash))  /*@@ -1113,8 +1116,8 @@ 	nfsd_double_down(&tdir->i_sem, &fdir->i_sem); 	err = -ENOENT; 	/* GAM3 check for parent changes after locking. */-	if (check_parent(fdir, odentry) &&-	    check_parent(tdir, ndentry)) {+	if (nfsd_check_parent(fdir, odentry) &&+	    nfsd_check_parent(tdir, ndentry)) {  		err = vfs_rename(fdir, odentry, tdir, ndentry); 		if (!err && EX_ISSYNC(tfhp->fh_export)) {@@ -1210,7 +1213,7 @@ 		fhp->fh_locked = 1;  		err = -ENOENT;-		if (check_parent(dirp, rdentry))+		if (nfsd_check_parent(dirp, rdentry)) 			err = vfs_rmdir(dirp, rdentry);  		rdentry->d_count--;diff -ruN linux-2.2.15-vanilla/fs/read_write.c linux-2.2.15-fist/fs/read_write.c--- linux-2.2.15-vanilla/fs/read_write.c	Tue Jan  4 13:12:23 2000+++ linux-2.2.15-fist/fs/read_write.c	Mon May  8 12:30:48 2000@@ -13,7 +13,7 @@  #include <asm/uaccess.h> -static loff_t default_llseek(struct file *file, loff_t offset, int origin)+loff_t default_llseek(struct file *file, loff_t offset, int origin) { 	long long retval; diff -ruN linux-2.2.15-vanilla/include/linux/dcache_func.h linux-2.2.15-fist/include/linux/dcache_func.h--- linux-2.2.15-vanilla/include/linux/dcache_func.h	Wed Dec 31 19:00:00 1969+++ linux-2.2.15-fist/include/linux/dcache_func.h	Mon May  8 12:51:14 2000@@ -0,0 +1,91 @@+#ifndef __LINUX_DCACHE_FUNC_H+#define __LINUX_DCACHE_FUNC_H++/*+ * Common dentry functions for inclusion in the VFS+ * or in other stackable file systems.  Some of these+ * functions were in linux/fs/ C (VFS) files.+ */+#ifdef __KERNEL__+#include <linux/dcache.h>+#include <asm/semaphore.h>++/*+ * We need to do a check-parent every time+ * after we have locked the parent - to verify+ * that the parent is still our parent and+ * that we are still hashed onto it..+ *+ * This is required in case two processes race+ * on removing (or moving) the same entry: the+ * parent lock will serialize them, but the+ * other process will be too late..+ */+#define check_parent(dir, dentry) \+	((dir) == (dentry)->d_parent && !list_empty(&dentry->d_hash))++/*+ * Locking the parent is needed to:+ *  - serialize directory operations+ *  - make sure the parent doesn't change from+ *    under us in the middle of an operation.+ *+ * NOTE! Right now we'd rather use a "struct inode"+ * for this, but as I expect things to move toward+ * using dentries instead for most things it is+ * probably better to start with the conceptually+ * better interface of relying on a path of dentries.+ */+static inline struct dentry *lock_parent(struct dentry *dentry)+{+	struct dentry *dir = dget(dentry->d_parent);++	down(&dir->d_inode->i_sem);+	return dir;+}++static inline struct dentry *get_parent(struct dentry *dentry)+{+	return dget(dentry->d_parent);+}++static inline void unlock_dir(struct dentry *dir)+{+	up(&dir->d_inode->i_sem);+	dput(dir);+}++/*+ * Whee.. Deadlock country. Happily there is only one VFS+ * operation that does this..+ */+static inline void double_lock(struct dentry *d1, struct dentry *d2)+{