diff options
Diffstat (limited to 'fs/pstore/inode.c')
-rw-r--r-- | fs/pstore/inode.c | 57 |
1 files changed, 15 insertions, 42 deletions
diff --git a/fs/pstore/inode.c b/fs/pstore/inode.c index b3b426edb2fd..19507889bb7f 100644 --- a/fs/pstore/inode.c +++ b/fs/pstore/inode.c @@ -52,12 +52,6 @@ struct pstore_private { char data[]; }; -static int pstore_file_open(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - static ssize_t pstore_file_read(struct file *file, char __user *userbuf, size_t count, loff_t *ppos) { @@ -67,7 +61,7 @@ static ssize_t pstore_file_read(struct file *file, char __user *userbuf, } static const struct file_operations pstore_file_operations = { - .open = pstore_file_open, + .open = simple_open, .read = pstore_file_read, .llseek = default_llseek, }; @@ -105,26 +99,12 @@ static const struct inode_operations pstore_dir_inode_operations = { .unlink = pstore_unlink, }; -static struct inode *pstore_get_inode(struct super_block *sb, - const struct inode *dir, int mode, dev_t dev) +static struct inode *pstore_get_inode(struct super_block *sb) { struct inode *inode = new_inode(sb); - if (inode) { inode->i_ino = get_next_ino(); - inode->i_uid = inode->i_gid = 0; - inode->i_mode = mode; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; - switch (mode & S_IFMT) { - case S_IFREG: - inode->i_fop = &pstore_file_operations; - break; - case S_IFDIR: - inode->i_op = &pstore_dir_inode_operations; - inode->i_fop = &simple_dir_operations; - inc_nlink(inode); - break; - } } return inode; } @@ -216,9 +196,11 @@ int pstore_mkfile(enum pstore_type_id type, char *psname, u64 id, return rc; rc = -ENOMEM; - inode = pstore_get_inode(pstore_sb, root->d_inode, S_IFREG | 0444, 0); + inode = pstore_get_inode(pstore_sb); if (!inode) goto fail; + inode->i_mode = S_IFREG | 0444; + inode->i_fop = &pstore_file_operations; private = kmalloc(sizeof *private + size, GFP_KERNEL); if (!private) goto fail_alloc; @@ -278,9 +260,7 @@ fail: int pstore_fill_super(struct super_block *sb, void *data, int silent) { - struct inode *inode = NULL; - struct dentry *root; - int err; + struct inode *inode; save_mount_options(sb, data); @@ -295,27 +275,20 @@ int pstore_fill_super(struct super_block *sb, void *data, int silent) parse_options(data); - inode = pstore_get_inode(sb, NULL, S_IFDIR | 0755, 0); - if (!inode) { - err = -ENOMEM; - goto fail; - } - /* override ramfs "dir" options so we catch unlink(2) */ - inode->i_op = &pstore_dir_inode_operations; - - root = d_alloc_root(inode); - sb->s_root = root; - if (!root) { - err = -ENOMEM; - goto fail; + inode = pstore_get_inode(sb); + if (inode) { + inode->i_mode = S_IFDIR | 0755; + inode->i_op = &pstore_dir_inode_operations; + inode->i_fop = &simple_dir_operations; + inc_nlink(inode); } + sb->s_root = d_make_root(inode); + if (!sb->s_root) + return -ENOMEM; pstore_get_records(0); return 0; -fail: - iput(inode); - return err; } static struct dentry *pstore_mount(struct file_system_type *fs_type, |