6 files changed, 33 insertions, 39 deletions

diff --git a/fs/jfs/acl.c b/fs/jfs/acl.c
index e5de9422fa3..8a0a0666d5a 100644
--- a/fs/jfs/acl.c
+++ b/fs/jfs/acl.c
@@ -114,11 +114,11 @@ out:
 	return rc;
 }
 
-int jfs_check_acl(struct inode *inode, int mask, unsigned int flags)
+int jfs_check_acl(struct inode *inode, int mask)
 {
 	struct posix_acl *acl;
 
-	if (flags & IPERM_FLAG_RCU)
+	if (mask & MAY_NOT_BLOCK)
 		return -ECHILD;
 
 	acl = jfs_get_acl(inode, ACL_TYPE_ACCESS);
diff --git a/fs/jfs/file.c b/fs/jfs/file.c
index 2f3f531f360..7527855b5cc 100644
--- a/fs/jfs/file.c
+++ b/fs/jfs/file.c
@@ -28,19 +28,26 @@
 #include "jfs_acl.h"
 #include "jfs_debug.h"
 
-int jfs_fsync(struct file *file, int datasync)
+int jfs_fsync(struct file *file, loff_t start, loff_t end, int datasync)
 {
 	struct inode *inode = file->f_mapping->host;
 	int rc = 0;
 
+	rc = filemap_write_and_wait_range(inode->i_mapping, start, end);
+	if (rc)
+		return rc;
+
+	mutex_lock(&inode->i_mutex);
 	if (!(inode->i_state & I_DIRTY) ||
 	    (datasync && !(inode->i_state & I_DIRTY_DATASYNC))) {
 		/* Make sure committed changes hit the disk */
 		jfs_flush_journal(JFS_SBI(inode->i_sb)->log, 1);
+		mutex_unlock(&inode->i_mutex);
 		return rc;
 	}
 
 	rc |= jfs_commit_inode(inode, 1);
+	mutex_unlock(&inode->i_mutex);
 
 	return rc ? -EIO : 0;
 }
@@ -110,6 +117,8 @@ int jfs_setattr(struct dentry *dentry, struct iattr *iattr)
 
 	if ((iattr->ia_valid & ATTR_SIZE) &&
 	    iattr->ia_size != i_size_read(inode)) {
+		inode_dio_wait(inode);
+
 		rc = vmtruncate(inode, iattr->ia_size);
 		if (rc)
 			return rc;
diff --git a/fs/jfs/inode.c b/fs/jfs/inode.c
index 109655904bb..77b69b27f82 100644
--- a/fs/jfs/inode.c
+++ b/fs/jfs/inode.c
@@ -329,8 +329,8 @@ static ssize_t jfs_direct_IO(int rw, struct kiocb *iocb,
 	struct inode *inode = file->f_mapping->host;
 	ssize_t ret;
 
-	ret = blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev, iov,
-				offset, nr_segs, jfs_get_block, NULL);
+	ret = blockdev_direct_IO(rw, iocb, inode, iov, offset, nr_segs,
+				 jfs_get_block);
 
 	/*
 	 * In case of error extending write may have instantiated a few
diff --git a/fs/jfs/jfs_acl.h b/fs/jfs/jfs_acl.h
index f9285c4900f..54e07559878 100644
--- a/fs/jfs/jfs_acl.h
+++ b/fs/jfs/jfs_acl.h
@@ -20,7 +20,7 @@
 
 #ifdef CONFIG_JFS_POSIX_ACL
 
-int jfs_check_acl(struct inode *, int, unsigned int flags);
+int jfs_check_acl(struct inode *, int);
 int jfs_init_acl(tid_t, struct inode *, struct inode *);
 int jfs_acl_chmod(struct inode *inode);
 
diff --git a/fs/jfs/jfs_inode.h b/fs/jfs/jfs_inode.h
index ec2fb8b945f..9271cfe4a14 100644
--- a/fs/jfs/jfs_inode.h
+++ b/fs/jfs/jfs_inode.h
@@ -21,7 +21,7 @@
 struct fid;
 
 extern struct inode *ialloc(struct inode *, umode_t);
-extern int jfs_fsync(struct file *, int);
+extern int jfs_fsync(struct file *, loff_t, loff_t, int);
 extern long jfs_ioctl(struct file *, unsigned int, unsigned long);
 extern long jfs_compat_ioctl(struct file *, unsigned int, unsigned long);
 extern struct inode *jfs_iget(struct super_block *, unsigned long);
diff --git a/fs/jfs/namei.c b/fs/jfs/namei.c
index eaaf2b511e8..03787ef6a11 100644
--- a/fs/jfs/namei.c
+++ b/fs/jfs/namei.c
@@ -1456,34 +1456,23 @@ static struct dentry *jfs_lookup(struct inode *dip, struct dentry *dentry, struc
 	ino_t inum;
 	struct inode *ip;
 	struct component_name key;
-	const char *name = dentry->d_name.name;
-	int len = dentry->d_name.len;
 	int rc;
 
-	jfs_info("jfs_lookup: name = %s", name);
-
-	if ((name[0] == '.') && (len == 1))
-		inum = dip->i_ino;
-	else if (strcmp(name, "..") == 0)
-		inum = PARENT(dip);
-	else {
-		if ((rc = get_UCSname(&key, dentry)))
-			return ERR_PTR(rc);
-		rc = dtSearch(dip, &key, &inum, &btstack, JFS_LOOKUP);
-		free_UCSname(&key);
-		if (rc == -ENOENT) {
-			d_add(dentry, NULL);
-			return NULL;
-		} else if (rc) {
-			jfs_err("jfs_lookup: dtSearch returned %d", rc);
-			return ERR_PTR(rc);
-		}
-	}
-
-	ip = jfs_iget(dip->i_sb, inum);
-	if (IS_ERR(ip)) {
-		jfs_err("jfs_lookup: iget failed on inum %d", (uint) inum);
-		return ERR_CAST(ip);
+	jfs_info("jfs_lookup: name = %s", dentry->d_name.name);
+
+	if ((rc = get_UCSname(&key, dentry)))
+		return ERR_PTR(rc);
+	rc = dtSearch(dip, &key, &inum, &btstack, JFS_LOOKUP);
+	free_UCSname(&key);
+	if (rc == -ENOENT) {
+		ip = NULL;
+	} else if (rc) {
+		jfs_err("jfs_lookup: dtSearch returned %d", rc);
+		ip = ERR_PTR(rc);
+	} else {
+		ip = jfs_iget(dip->i_sb, inum);
+		if (IS_ERR(ip))
+			jfs_err("jfs_lookup: iget failed on inum %d", (uint)inum);
 	}
 
 	return d_splice_alias(ip, dentry);
@@ -1597,8 +1586,6 @@ out:
 
 static int jfs_ci_revalidate(struct dentry *dentry, struct nameidata *nd)
 {
-	if (nd && nd->flags & LOOKUP_RCU)
-		return -ECHILD;
 	/*
 	 * This is not negative dentry. Always valid.
 	 *
@@ -1624,10 +1611,8 @@ static int jfs_ci_revalidate(struct dentry *dentry, struct nameidata *nd)
 	 * case sensitive name which is specified by user if this is
 	 * for creation.
 	 */
-	if (!(nd->flags & (LOOKUP_CONTINUE | LOOKUP_PARENT))) {
-		if (nd->flags & (LOOKUP_CREATE | LOOKUP_RENAME_TARGET))
-			return 0;
-	}
+	if (nd->flags & (LOOKUP_CREATE | LOOKUP_RENAME_TARGET))
+		return 0;
 	return 1;
 }