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SubjectRe: [PATCH 11/16 v2] f2fs: add inode operations for special inodes
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2012/10/23 Jaegeuk Kim <jaegeuk.kim@samsung.com>:
> This adds inode operations for directory, symlink, and special inodes.
>
> Signed-off-by: Changman Lee <cm224.lee@samsung.com>
> Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
> ---
> fs/f2fs/namei.c | 494 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 494 insertions(+)
> create mode 100644 fs/f2fs/namei.c
>
> diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
> new file mode 100644
> index 0000000..899d144
> --- /dev/null
> +++ b/fs/f2fs/namei.c
> @@ -0,0 +1,494 @@
> +/**
> + * fs/f2fs/namei.c
> + *
> + * Copyright (c) 2012 Samsung Electronics Co., Ltd.
> + * http://www.samsung.com/
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License version 2 as
> + * published by the Free Software Foundation.
> + */
> +#include <linux/fs.h>
> +#include <linux/f2fs_fs.h>
> +#include <linux/pagemap.h>
> +#include <linux/sched.h>
> +#include <linux/ctype.h>
> +
> +#include "f2fs.h"
> +#include "xattr.h"
> +#include "acl.h"
> +
> +static struct inode *f2fs_new_inode(struct inode *dir, umode_t mode)
> +{
> + struct super_block *sb = dir->i_sb;
> + struct f2fs_sb_info *sbi = F2FS_SB(sb);
> + nid_t ino;
> + struct inode *inode;
> + bool nid_free = false;
> + int err;
> +
> + inode = new_inode(sb);
> + if (!inode)
> + return ERR_PTR(-ENOMEM);
> +
> + mutex_lock_op(sbi, NODE_NEW);
> + if (!alloc_nid(sbi, &ino)) {
> + mutex_unlock_op(sbi, NODE_NEW);
> + err = -ENOSPC;
> + goto fail;
> + }
> + mutex_unlock_op(sbi, NODE_NEW);
> +
> + inode->i_uid = current_fsuid();
> +
> + if (dir->i_mode & S_ISGID) {
> + inode->i_gid = dir->i_gid;
> + if (S_ISDIR(mode))
> + mode |= S_ISGID;
> + } else {
> + inode->i_gid = current_fsgid();
> + }
> +
> + inode->i_ino = ino;
> + inode->i_mode = mode;
> + inode->i_blocks = 0;
> + inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
> +
> + err = insert_inode_locked(inode);
> + if (err) {
> + err = -EINVAL;
> + nid_free = true;
> + goto out;
> + }
> +
> + mark_inode_dirty(inode);
> + return inode;
> +
> +out:
> + clear_nlink(inode);
> + unlock_new_inode(inode);
> +fail:
> + iput(inode);

make_bad_inode here?

Marco


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