summaryrefslogtreecommitdiff
path: root/fs/openpromfs/inode.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/openpromfs/inode.c')
-rw-r--r--fs/openpromfs/inode.c79
1 files changed, 39 insertions, 40 deletions
diff --git a/fs/openpromfs/inode.c b/fs/openpromfs/inode.c
index 40c8c2e32fa3..fb8d84bdedfb 100644
--- a/fs/openpromfs/inode.c
+++ b/fs/openpromfs/inode.c
@@ -236,27 +236,31 @@ found:
mutex_unlock(&op_mutex);
if (IS_ERR(inode))
return ERR_CAST(inode);
- ent_oi = OP_I(inode);
- ent_oi->type = ent_type;
- ent_oi->u = ent_data;
-
- switch (ent_type) {
- case op_inode_node:
- inode->i_mode = S_IFDIR | S_IRUGO | S_IXUGO;
- inode->i_op = &openprom_inode_operations;
- inode->i_fop = &openprom_operations;
- set_nlink(inode, 2);
- break;
- case op_inode_prop:
- if (of_node_name_eq(dp, "options") && (len == 17) &&
- !strncmp (name, "security-password", 17))
- inode->i_mode = S_IFREG | S_IRUSR | S_IWUSR;
- else
- inode->i_mode = S_IFREG | S_IRUGO;
- inode->i_fop = &openpromfs_prop_ops;
- set_nlink(inode, 1);
- inode->i_size = ent_oi->u.prop->length;
- break;
+ if (inode_state_read_once(inode) & I_NEW) {
+ simple_inode_init_ts(inode);
+ ent_oi = OP_I(inode);
+ ent_oi->type = ent_type;
+ ent_oi->u = ent_data;
+
+ switch (ent_type) {
+ case op_inode_node:
+ inode->i_mode = S_IFDIR | S_IRUGO | S_IXUGO;
+ inode->i_op = &openprom_inode_operations;
+ inode->i_fop = &openprom_operations;
+ set_nlink(inode, 2);
+ break;
+ case op_inode_prop:
+ if (of_node_name_eq(dp, "options") && (len == 17) &&
+ !strncmp (name, "security-password", 17))
+ inode->i_mode = S_IFREG | S_IRUSR | S_IWUSR;
+ else
+ inode->i_mode = S_IFREG | S_IRUGO;
+ inode->i_fop = &openpromfs_prop_ops;
+ set_nlink(inode, 1);
+ inode->i_size = ent_oi->u.prop->length;
+ break;
+ }
+ unlock_new_inode(inode);
}
return d_splice_alias(inode, dentry);
@@ -331,7 +335,7 @@ static struct inode *openprom_alloc_inode(struct super_block *sb)
{
struct op_inode_info *oi;
- oi = kmem_cache_alloc(op_inode_cachep, GFP_KERNEL);
+ oi = alloc_inode_sb(sb, op_inode_cachep, GFP_KERNEL);
if (!oi)
return NULL;
@@ -345,27 +349,16 @@ static void openprom_free_inode(struct inode *inode)
static struct inode *openprom_iget(struct super_block *sb, ino_t ino)
{
- struct inode *inode;
-
- inode = iget_locked(sb, ino);
+ struct inode *inode = iget_locked(sb, ino);
if (!inode)
- return ERR_PTR(-ENOMEM);
- if (inode->i_state & I_NEW) {
- inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode);
- if (inode->i_ino == OPENPROM_ROOT_INO) {
- inode->i_op = &openprom_inode_operations;
- inode->i_fop = &openprom_operations;
- inode->i_mode = S_IFDIR | S_IRUGO | S_IXUGO;
- }
- unlock_new_inode(inode);
- }
+ inode = ERR_PTR(-ENOMEM);
return inode;
}
-static int openprom_remount(struct super_block *sb, int *flags, char *data)
+static int openpromfs_reconfigure(struct fs_context *fc)
{
- sync_filesystem(sb);
- *flags |= SB_NOATIME;
+ sync_filesystem(fc->root->d_sb);
+ fc->sb_flags |= SB_NOATIME;
return 0;
}
@@ -373,7 +366,6 @@ static const struct super_operations openprom_sops = {
.alloc_inode = openprom_alloc_inode,
.free_inode = openprom_free_inode,
.statfs = simple_statfs,
- .remount_fs = openprom_remount,
};
static int openprom_fill_super(struct super_block *s, struct fs_context *fc)
@@ -394,9 +386,14 @@ static int openprom_fill_super(struct super_block *s, struct fs_context *fc)
goto out_no_root;
}
+ simple_inode_init_ts(root_inode);
+ root_inode->i_op = &openprom_inode_operations;
+ root_inode->i_fop = &openprom_operations;
+ root_inode->i_mode = S_IFDIR | S_IRUGO | S_IXUGO;
oi = OP_I(root_inode);
oi->type = op_inode_node;
oi->u.node = of_find_node_by_path("/");
+ unlock_new_inode(root_inode);
s->s_root = d_make_root(root_inode);
if (!s->s_root)
@@ -417,6 +414,7 @@ static int openpromfs_get_tree(struct fs_context *fc)
static const struct fs_context_operations openpromfs_context_ops = {
.get_tree = openpromfs_get_tree,
+ .reconfigure = openpromfs_reconfigure,
};
static int openpromfs_init_fs_context(struct fs_context *fc)
@@ -448,7 +446,7 @@ static int __init init_openprom_fs(void)
sizeof(struct op_inode_info),
0,
(SLAB_RECLAIM_ACCOUNT |
- SLAB_MEM_SPREAD | SLAB_ACCOUNT),
+ SLAB_ACCOUNT),
op_inode_init_once);
if (!op_inode_cachep)
return -ENOMEM;
@@ -473,4 +471,5 @@ static void __exit exit_openprom_fs(void)
module_init(init_openprom_fs)
module_exit(exit_openprom_fs)
+MODULE_DESCRIPTION("OpenPROM filesystem support");
MODULE_LICENSE("GPL");