#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"
* dentry - child directory dentry
*
* RETURN: -EINVAL - if name is . or ..
- * -EINVAL - if . or .. exist but are invalid.
+ * -EINVAL - if . or .. exist but are invalid.
* errors from subroutines
*
* note:
inode_dec_link_count(ip);
/*
- * commit zero link count object
+ * commit zero link count object
*/
if (ip->i_nlink == 0) {
assert(!test_cflag(COMMIT_Nolink, ip));
/*
* NAME: commitZeroLink()
*
- * FUNCTION: for non-directory, called by jfs_remove(),
+ * FUNCTION: for non-directory, called by jfs_remove(),
* truncate a regular file, directory or symbolic
* link to zero length. return 0 if type is not
* one of these.
/*
* NAME: jfs_free_zero_link()
*
- * FUNCTION: for non-directory, called by iClose(),
+ * FUNCTION: for non-directory, called by iClose(),
* free resources of a file from cache and WORKING map
* for a file previously committed with zero link count
* while associated with a pager object,
* NAME: jfs_symlink(dip, dentry, name)
*
* FUNCTION: creates a symbolic link to <symlink> by name <name>
- * in directory <dip>
+ * in directory <dip>
*
- * PARAMETER: dip - parent directory vnode
- * dentry - dentry of symbolic link
- * name - the path name of the existing object
- * that will be the source of the link
+ * PARAMETER: dip - parent directory vnode
+ * dentry - dentry of symbolic link
+ * name - the path name of the existing object
+ * that will be the source of the link
*
* RETURN: errors from subroutines
*
/*
- * NAME: jfs_rename
+ * NAME: jfs_rename
*
- * FUNCTION: rename a file or directory
+ * FUNCTION: rename a file or directory
*/
static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry,
struct inode *new_dir, struct dentry *new_dentry)
/*
- * NAME: jfs_mknod
+ * NAME: jfs_mknod
*
- * FUNCTION: Create a special file (device)
+ * FUNCTION: Create a special file (device)
*/
static int jfs_mknod(struct inode *dir, struct dentry *dentry,
int mode, dev_t rdev)
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 = iget(sb, ino);
+ if (inode == NULL)
+ return ERR_PTR(-ENOMEM);
+
+ if (is_bad_inode(inode) ||
+ (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;