X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=fs%2Fjfs%2Fnamei.c;h=0ba6778edaa2ae73d9595d8f425c7d3e98dce7a7;hb=1df5a8d004f64b1aa3fb93e0556886ba00ebc979;hp=932797ba433b0b5d2ac1a4c06f122564990049d0;hpb=f4fbfb0dda5577075a049eec7fb7ad38abca1912;p=linux-2.6

diff --git a/fs/jfs/namei.c b/fs/jfs/namei.c
index 932797ba43..0ba6778eda 100644
--- a/fs/jfs/namei.c
+++ b/fs/jfs/namei.c
@@ -20,6 +20,7 @@
 #include <linux/fs.h>
 #include <linux/ctype.h>
 #include <linux/quotaops.h>
+#include <linux/exportfs.h>
 #include "jfs_incore.h"
 #include "jfs_superblock.h"
 #include "jfs_inode.h"
@@ -1102,8 +1103,8 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry,
 	 * Make sure dest inode number (if any) is what we think it is
 	 */
 	rc = dtSearch(new_dir, &new_dname, &ino, &btstack, JFS_LOOKUP);
-	if (rc == 0) {
-		if ((new_ip == 0) || (ino != new_ip->i_ino)) {
+	if (!rc) {
+		if ((!new_ip) || (ino != new_ip->i_ino)) {
 			rc = -ESTALE;
 			goto out3;
 		}
@@ -1461,12 +1462,10 @@ static struct dentry *jfs_lookup(struct inode *dip, struct dentry *dentry, struc
 		}
 	}
 
-	ip = iget(dip->i_sb, inum);
-	if (ip == NULL || is_bad_inode(ip)) {
+	ip = jfs_iget(dip->i_sb, inum);
+	if (IS_ERR(ip)) {
 		jfs_err("jfs_lookup: iget failed on inum %d", (uint) inum);
-		if (ip)
-			iput(ip);
-		return ERR_PTR(-EACCES);
+		return ERR_CAST(ip);
 	}
 
 	dentry = d_splice_alias(ip, dentry);
@@ -1477,36 +1476,37 @@ static struct dentry *jfs_lookup(struct inode *dip, struct dentry *dentry, struc
 	return dentry;
 }
 
-struct dentry *jfs_get_dentry(struct super_block *sb, void *vobjp)
+static struct inode *jfs_nfs_get_inode(struct super_block *sb,
+		u64 ino, u32 generation)
 {
-	__u32 *objp = vobjp;
-	unsigned long ino = objp[0];
-	__u32 generation = objp[1];
 	struct inode *inode;
-	struct dentry *result;
 
 	if (ino == 0)
 		return ERR_PTR(-ESTALE);
-	inode = iget(sb, ino);
-	if (inode == NULL)
-		return ERR_PTR(-ENOMEM);
-
-	if (is_bad_inode(inode) ||
-	    (generation && inode->i_generation != generation)) {
-	    	result = ERR_PTR(-ESTALE);
-		goto out_iput;
-	}
+	inode = jfs_iget(sb, ino);
+	if (IS_ERR(inode))
+		return ERR_CAST(inode);
 
-	result = d_alloc_anon(inode);
-	if (!result) {
-		result = ERR_PTR(-ENOMEM);
-		goto out_iput;
+	if (generation && inode->i_generation != generation) {
+		iput(inode);
+		return ERR_PTR(-ESTALE);
 	}
-	return result;
 
- out_iput:
-	iput(inode);
-	return result;
+	return inode;
+}
+
+struct dentry *jfs_fh_to_dentry(struct super_block *sb, struct fid *fid,
+		int fh_len, int fh_type)
+{
+	return generic_fh_to_dentry(sb, fid, fh_len, fh_type,
+				    jfs_nfs_get_inode);
+}
+
+struct dentry *jfs_fh_to_parent(struct super_block *sb, struct fid *fid,
+		int fh_len, int fh_type)
+{
+	return generic_fh_to_parent(sb, fid, fh_len, fh_type,
+				    jfs_nfs_get_inode);
 }
 
 struct dentry *jfs_get_parent(struct dentry *dentry)
@@ -1518,17 +1518,14 @@ struct dentry *jfs_get_parent(struct dentry *dentry)
 
 	parent_ino =
 		le32_to_cpu(JFS_IP(dentry->d_inode)->i_dtroot.header.idotdot);
-	inode = iget(sb, parent_ino);
-	if (inode) {
-		if (is_bad_inode(inode)) {
+	inode = jfs_iget(sb, parent_ino);
+	if (IS_ERR(inode)) {
+		parent = ERR_CAST(inode);
+	} else {
+		parent = d_alloc_anon(inode);
+		if (!parent) {
+			parent = ERR_PTR(-ENOMEM);
 			iput(inode);
-			parent = ERR_PTR(-EACCES);
-		} else {
-			parent = d_alloc_anon(inode);
-			if (!parent) {
-				parent = ERR_PTR(-ENOMEM);
-				iput(inode);
-			}
 		}
 	}
 
@@ -1559,7 +1556,10 @@ const struct file_operations jfs_dir_operations = {
 	.read		= generic_read_dir,
 	.readdir	= jfs_readdir,
 	.fsync		= jfs_fsync,
-	.ioctl		= jfs_ioctl,
+	.unlocked_ioctl = jfs_ioctl,
+#ifdef CONFIG_COMPAT
+	.compat_ioctl	= jfs_compat_ioctl,
+#endif
 };
 
 static int jfs_ci_hash(struct dentry *dir, struct qstr *this)