On Tue, 2007-05-15 at 17:16 +1000, NeilBrown wrote:
> diff .prev/fs/jfs/jfs_inode.h ./fs/jfs/jfs_inode.h
> --- .prev/fs/jfs/jfs_inode.h 2007-05-14 11:14:52.000000000 +1000
> +++ ./fs/jfs/jfs_inode.h 2007-05-14 11:15:29.000000000 +1000
> @@ -31,7 +31,7 @@ extern void jfs_truncate(struct inode *)
> extern void jfs_truncate_nolock(struct inode *, loff_t);
> extern void jfs_free_zero_link(struct inode *);
> extern struct dentry *jfs_get_parent(struct dentry *dentry);
> -extern void jfs_get_inode_flags(struct jfs_inode_info *);
You don't want to remove the declaration of jfs_get_inode_flags().
> +extern struct dentry *jfs_get_dentry(struct super_block *sb, void *vobjp);
> extern void jfs_set_inode_flags(struct inode *);
> extern int jfs_get_block(struct inode *, sector_t, struct buffer_head *, int);
>
>
> diff .prev/fs/jfs/namei.c ./fs/jfs/namei.c
> --- .prev/fs/jfs/namei.c 2007-05-14 11:14:52.000000000 +1000
> +++ ./fs/jfs/namei.c 2007-05-14 11:15:29.000000000 +1000
> @@ -1477,6 +1477,38 @@ static struct dentry *jfs_lookup(struct
> return dentry;
> }
>
> +struct dentry *jfs_get_dentry(struct super_block *sb, void *vobjp)
> +{
> + __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;
> + }
> +
> + result = d_alloc_anon(inode);
> + if (!result) {
> + result = ERR_PTR(-ENOMEM);
> + goto out_iput;
> + }
> + return result;
> +
> + out_iput:
> + iput(inode);
> + return result;
> +}
> +
> struct dentry *jfs_get_parent(struct dentry *dentry)
> {
> struct super_block *sb = dentry->d_inode->i_sb;
>
> diff .prev/fs/jfs/super.c ./fs/jfs/super.c
> --- .prev/fs/jfs/super.c 2007-05-14 11:15:23.000000000 +1000
> +++ ./fs/jfs/super.c 2007-05-14 11:15:29.000000000 +1000
> @@ -738,6 +738,7 @@ static const struct super_operations jfs
> };
>
> static struct export_operations jfs_export_operations = {
> + .get_dentry = jfs_get_dentry,
> .get_parent = jfs_get_parent,
> };
Looks sane. You can add:
Signed-off-by: Dave Kleikamp <[email protected]>
--
David Kleikamp
IBM Linux Technology Center
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