143 lines
3.8 KiB
Diff
143 lines
3.8 KiB
Diff
--- a/fs/mini_fo/main.c
|
|
+++ b/fs/mini_fo/main.c
|
|
@@ -79,6 +79,7 @@ mini_fo_tri_interpose(dentry_t *hidden_d
|
|
* of the new inode's fields
|
|
*/
|
|
|
|
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25)
|
|
/*
|
|
* original: inode = iget(sb, hidden_inode->i_ino);
|
|
*/
|
|
@@ -87,6 +88,13 @@ mini_fo_tri_interpose(dentry_t *hidden_d
|
|
err = -EACCES; /* should be impossible??? */
|
|
goto out;
|
|
}
|
|
+#else
|
|
+ inode = mini_fo_iget(sb, iunique(sb, 25));
|
|
+ if (IS_ERR(inode)) {
|
|
+ err = PTR_ERR(inode);
|
|
+ goto out;
|
|
+ }
|
|
+#endif
|
|
|
|
/*
|
|
* interpose the inode if not already interposed
|
|
@@ -184,9 +192,9 @@ mini_fo_parse_options(super_block_t *sb,
|
|
hidden_root = ERR_PTR(err);
|
|
goto out;
|
|
}
|
|
- hidden_root = nd.dentry;
|
|
- stopd(sb)->base_dir_dentry = nd.dentry;
|
|
- stopd(sb)->hidden_mnt = nd.mnt;
|
|
+ hidden_root = nd_get_dentry(&nd);
|
|
+ stopd(sb)->base_dir_dentry = nd_get_dentry(&nd);
|
|
+ stopd(sb)->hidden_mnt = nd_get_mnt(&nd);
|
|
|
|
} else if(!strncmp("sto=", options, 4)) {
|
|
/* parse the storage dir */
|
|
@@ -204,9 +212,9 @@ mini_fo_parse_options(super_block_t *sb,
|
|
hidden_root2 = ERR_PTR(err);
|
|
goto out;
|
|
}
|
|
- hidden_root2 = nd2.dentry;
|
|
- stopd(sb)->storage_dir_dentry = nd2.dentry;
|
|
- stopd(sb)->hidden_mnt2 = nd2.mnt;
|
|
+ hidden_root2 = nd_get_dentry(&nd2);
|
|
+ stopd(sb)->storage_dir_dentry = nd_get_dentry(&nd2);
|
|
+ stopd(sb)->hidden_mnt2 = nd_get_mnt(&nd2);
|
|
stohs2(sb) = hidden_root2->d_sb;
|
|
|
|
/* validate storage dir, this is done in
|
|
--- a/fs/mini_fo/mini_fo.h
|
|
+++ b/fs/mini_fo/mini_fo.h
|
|
@@ -302,6 +302,10 @@ extern int mini_fo_tri_interpose(dentry_
|
|
extern int mini_fo_cp_cont(dentry_t *tgt_dentry, struct vfsmount *tgt_mnt,
|
|
dentry_t *src_dentry, struct vfsmount *src_mnt);
|
|
|
|
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,25)
|
|
+extern struct inode *mini_fo_iget(struct super_block *sb, unsigned long ino);
|
|
+#endif
|
|
+
|
|
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
|
|
extern int mini_fo_create(inode_t *dir, dentry_t *dentry, int mode, struct nameidata *nd);
|
|
|
|
@@ -501,6 +505,29 @@ static inline void double_unlock(struct
|
|
#endif /* if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) */
|
|
#endif /* __KERNEL__ */
|
|
|
|
+
|
|
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,25)
|
|
+static inline dentry_t *nd_get_dentry(struct nameidata *nd)
|
|
+{
|
|
+ return (nd->path.dentry);
|
|
+}
|
|
+
|
|
+static inline struct vfsmount *nd_get_mnt(struct nameidata *nd)
|
|
+{
|
|
+ return (nd->path.mnt);
|
|
+}
|
|
+#else
|
|
+static inline dentry_t *nd_get_dentry(struct nameidata *nd)
|
|
+{
|
|
+ return (nd->dentry);
|
|
+}
|
|
+
|
|
+static inline struct vfsmount *nd_get_mnt(struct nameidata *nd)
|
|
+{
|
|
+ return (nd->mnt);
|
|
+}
|
|
+#endif
|
|
+
|
|
/*
|
|
* Definitions for user and kernel code
|
|
*/
|
|
--- a/fs/mini_fo/super.c
|
|
+++ b/fs/mini_fo/super.c
|
|
@@ -266,10 +266,31 @@ mini_fo_umount_begin(super_block_t *sb)
|
|
}
|
|
#endif
|
|
|
|
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,25)
|
|
+struct inode *
|
|
+mini_fo_iget(struct super_block *sb, unsigned long ino)
|
|
+{
|
|
+ struct inode *inode;
|
|
+
|
|
+ inode = iget_locked(sb, ino);
|
|
+ if (!inode)
|
|
+ return ERR_PTR(-ENOMEM);
|
|
+
|
|
+ if (!(inode->i_state & I_NEW))
|
|
+ return inode;
|
|
+
|
|
+ mini_fo_read_inode(inode);
|
|
+
|
|
+ unlock_new_inode(inode);
|
|
+ return inode;
|
|
+}
|
|
+#endif /* if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,25) */
|
|
|
|
struct super_operations mini_fo_sops =
|
|
{
|
|
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25)
|
|
read_inode: mini_fo_read_inode,
|
|
+#endif
|
|
#if defined(FIST_DEBUG) || defined(FIST_FILTER_SCA)
|
|
write_inode: mini_fo_write_inode,
|
|
#endif /* defined(FIST_DEBUG) || defined(FIST_FILTER_SCA) */
|
|
--- a/fs/mini_fo/aux.c
|
|
+++ b/fs/mini_fo/aux.c
|
|
@@ -164,11 +164,11 @@ dentry_t *bpath_walk(super_block_t *sb,
|
|
err = vfs_path_lookup(mnt->mnt_root, mnt, bpath+1, 0, &nd);
|
|
|
|
/* validate */
|
|
- if (err || !nd.dentry || !nd.dentry->d_inode) {
|
|
+ if (err || !nd_get_dentry(&nd) || !nd_get_dentry(&nd)->d_inode) {
|
|
printk(KERN_CRIT "mini_fo: bpath_walk: path_walk failed.\n");
|
|
return NULL;
|
|
}
|
|
- return nd.dentry;
|
|
+ return nd_get_dentry(&nd);
|
|
}
|
|
|
|
|