diff options
Diffstat (limited to 'fs/openpromfs/inode.c')
| -rw-r--r-- | fs/openpromfs/inode.c | 79 |
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"); |
