#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"
* 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;
}
}
}
- 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);
return dentry;
}
+static struct inode *jfs_nfs_get_inode(struct super_block *sb,
+ u64 ino, u32 generation)
+{
+ struct inode *inode;
+
+ if (ino == 0)
+ return ERR_PTR(-ESTALE);
+ inode = jfs_iget(sb, ino);
+ if (IS_ERR(inode))
+ return ERR_CAST(inode);
+
+ if (generation && inode->i_generation != generation) {
+ iput(inode);
+ return ERR_PTR(-ESTALE);
+ }
+
+ 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)
{
struct super_block *sb = dentry->d_inode->i_sb;
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);
- }
}
}
.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)