[deliverable/linux.git] / fs / f2fs / namei.c

/*
 * 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 <linux/dcache.h>

#include "f2fs.h"
#include "node.h"
#include "xattr.h"
#include "acl.h"
#include <trace/events/f2fs.h>

static struct inode *f2fs_new_inode(struct inode *dir, umode_t mode)
{
	struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
	nid_t ino;
	struct inode *inode;
	bool nid_free = false;
	int err;

	inode = new_inode(dir->i_sb);
	if (!inode)
		return ERR_PTR(-ENOMEM);

	f2fs_lock_op(sbi);
	if (!alloc_nid(sbi, &ino)) {
		f2fs_unlock_op(sbi);
		err = -ENOSPC;
		goto fail;
	}
	f2fs_unlock_op(sbi);

	inode_init_owner(inode, dir, mode);

	inode->i_ino = ino;
	inode->i_blocks = 0;
	inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
	inode->i_generation = sbi->s_next_generation++;

	err = insert_inode_locked(inode);
	if (err) {
		err = -EINVAL;
		nid_free = true;
		goto out;
	}
	trace_f2fs_new_inode(inode, 0);
	mark_inode_dirty(inode);
	return inode;

out:
	clear_nlink(inode);
	unlock_new_inode(inode);
fail:
	trace_f2fs_new_inode(inode, err);
	make_bad_inode(inode);
	iput(inode);
	if (nid_free)
		alloc_nid_failed(sbi, ino);
	return ERR_PTR(err);
}

static int is_multimedia_file(const unsigned char *s, const char *sub)
{
	size_t slen = strlen(s);
	size_t sublen = strlen(sub);

	if (sublen > slen)
		return 0;

	return !strncasecmp(s + slen - sublen, sub, sublen);
}

/*
 * Set multimedia files as cold files for hot/cold data separation
 */
static inline void set_cold_files(struct f2fs_sb_info *sbi, struct inode *inode,
		const unsigned char *name)
{
	int i;
	__u8 (*extlist)[8] = sbi->raw_super->extension_list;

	int count = le32_to_cpu(sbi->raw_super->extension_count);
	for (i = 0; i < count; i++) {
		if (is_multimedia_file(name, extlist[i])) {
			file_set_cold(inode);
			break;
		}
	}
}

static int f2fs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
						bool excl)
{
	struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
	struct inode *inode;
	nid_t ino = 0;
	int err;

	f2fs_balance_fs(sbi);

	inode = f2fs_new_inode(dir, mode);
	if (IS_ERR(inode))
		return PTR_ERR(inode);

	if (!test_opt(sbi, DISABLE_EXT_IDENTIFY))
		set_cold_files(sbi, inode, dentry->d_name.name);

	inode->i_op = &f2fs_file_inode_operations;
	inode->i_fop = &f2fs_file_operations;
	inode->i_mapping->a_ops = &f2fs_dblock_aops;
	ino = inode->i_ino;

	f2fs_lock_op(sbi);
	err = f2fs_add_link(dentry, inode);
	if (err)
		goto out;
	f2fs_unlock_op(sbi);

	alloc_nid_done(sbi, ino);

	d_instantiate(dentry, inode);
	unlock_new_inode(inode);
	return 0;
out:
	handle_failed_inode(inode);
	return err;
}

static int f2fs_link(struct dentry *old_dentry, struct inode *dir,
		struct dentry *dentry)
{
	struct inode *inode = old_dentry->d_inode;
	struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
	int err;

	f2fs_balance_fs(sbi);

	inode->i_ctime = CURRENT_TIME;
	ihold(inode);

	set_inode_flag(F2FS_I(inode), FI_INC_LINK);
	f2fs_lock_op(sbi);
	err = f2fs_add_link(dentry, inode);
	if (err)
		goto out;
	f2fs_unlock_op(sbi);

	d_instantiate(dentry, inode);
	return 0;
out:
	clear_inode_flag(F2FS_I(inode), FI_INC_LINK);
	iput(inode);
	f2fs_unlock_op(sbi);
	return err;
}

struct dentry *f2fs_get_parent(struct dentry *child)
{
	struct qstr dotdot = QSTR_INIT("..", 2);
	unsigned long ino = f2fs_inode_by_name(child->d_inode, &dotdot);
	if (!ino)
		return ERR_PTR(-ENOENT);
	return d_obtain_alias(f2fs_iget(child->d_inode->i_sb, ino));
}

static struct dentry *f2fs_lookup(struct inode *dir, struct dentry *dentry,
		unsigned int flags)
{
	struct inode *inode = NULL;
	struct f2fs_dir_entry *de;
	struct page *page;

	if (dentry->d_name.len > F2FS_NAME_LEN)
		return ERR_PTR(-ENAMETOOLONG);

	de = f2fs_find_entry(dir, &dentry->d_name, &page);
	if (de) {
		nid_t ino = le32_to_cpu(de->ino);
		kunmap(page);
		f2fs_put_page(page, 0);

		inode = f2fs_iget(dir->i_sb, ino);
		if (IS_ERR(inode))
			return ERR_CAST(inode);

		stat_inc_inline_inode(inode);
	}

	return d_splice_alias(inode, dentry);
}

static int f2fs_unlink(struct inode *dir, struct dentry *dentry)
{
	struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
	struct inode *inode = dentry->d_inode;
	struct f2fs_dir_entry *de;
	struct page *page;
	int err = -ENOENT;

	trace_f2fs_unlink_enter(dir, dentry);
	f2fs_balance_fs(sbi);

	de = f2fs_find_entry(dir, &dentry->d_name, &page);
	if (!de)
		goto fail;

	f2fs_lock_op(sbi);
	err = acquire_orphan_inode(sbi);
	if (err) {
		f2fs_unlock_op(sbi);
		kunmap(page);
		f2fs_put_page(page, 0);
		goto fail;
	}
	f2fs_delete_entry(de, page, dir, inode);
	f2fs_unlock_op(sbi);

	/* In order to evict this inode, we set it dirty */
	mark_inode_dirty(inode);
fail:
	trace_f2fs_unlink_exit(inode, err);
	return err;
}

static int f2fs_symlink(struct inode *dir, struct dentry *dentry,
					const char *symname)
{
	struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
	struct inode *inode;
	size_t symlen = strlen(symname) + 1;
	int err;

	f2fs_balance_fs(sbi);

	inode = f2fs_new_inode(dir, S_IFLNK | S_IRWXUGO);
	if (IS_ERR(inode))
		return PTR_ERR(inode);

	inode->i_op = &f2fs_symlink_inode_operations;
	inode->i_mapping->a_ops = &f2fs_dblock_aops;

	f2fs_lock_op(sbi);
	err = f2fs_add_link(dentry, inode);
	if (err)
		goto out;
	f2fs_unlock_op(sbi);

	err = page_symlink(inode, symname, symlen);
	alloc_nid_done(sbi, inode->i_ino);

	d_instantiate(dentry, inode);
	unlock_new_inode(inode);
	return err;
out:
	handle_failed_inode(inode);
	return err;
}

static int f2fs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
{
	struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
	struct inode *inode;
	int err;

	f2fs_balance_fs(sbi);

	inode = f2fs_new_inode(dir, S_IFDIR | mode);
	if (IS_ERR(inode))
		return PTR_ERR(inode);

	inode->i_op = &f2fs_dir_inode_operations;
	inode->i_fop = &f2fs_dir_operations;
	inode->i_mapping->a_ops = &f2fs_dblock_aops;
	mapping_set_gfp_mask(inode->i_mapping, GFP_F2FS_ZERO);

	set_inode_flag(F2FS_I(inode), FI_INC_LINK);
	f2fs_lock_op(sbi);
	err = f2fs_add_link(dentry, inode);
	if (err)
		goto out_fail;
	f2fs_unlock_op(sbi);

	alloc_nid_done(sbi, inode->i_ino);

	d_instantiate(dentry, inode);
	unlock_new_inode(inode);

	return 0;

out_fail:
	clear_inode_flag(F2FS_I(inode), FI_INC_LINK);
	handle_failed_inode(inode);
	return err;
}

static int f2fs_rmdir(struct inode *dir, struct dentry *dentry)
{
	struct inode *inode = dentry->d_inode;
	if (f2fs_empty_dir(inode))
		return f2fs_unlink(dir, dentry);
	return -ENOTEMPTY;
}

static int f2fs_mknod(struct inode *dir, struct dentry *dentry,
				umode_t mode, dev_t rdev)
{
	struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
	struct inode *inode;
	int err = 0;

	if (!new_valid_dev(rdev))
		return -EINVAL;

	f2fs_balance_fs(sbi);

	inode = f2fs_new_inode(dir, mode);
	if (IS_ERR(inode))
		return PTR_ERR(inode);

	init_special_inode(inode, inode->i_mode, rdev);
	inode->i_op = &f2fs_special_inode_operations;

	f2fs_lock_op(sbi);
	err = f2fs_add_link(dentry, inode);
	if (err)
		goto out;
	f2fs_unlock_op(sbi);

	alloc_nid_done(sbi, inode->i_ino);
	d_instantiate(dentry, inode);
	unlock_new_inode(inode);
	return 0;
out:
	handle_failed_inode(inode);
	return err;
}

static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry,
			struct inode *new_dir, struct dentry *new_dentry)
{
	struct f2fs_sb_info *sbi = F2FS_I_SB(old_dir);
	struct inode *old_inode = old_dentry->d_inode;
	struct inode *new_inode = new_dentry->d_inode;
	struct page *old_dir_page;
	struct page *old_page, *new_page;
	struct f2fs_dir_entry *old_dir_entry = NULL;
	struct f2fs_dir_entry *old_entry;
	struct f2fs_dir_entry *new_entry;
	int err = -ENOENT;

	f2fs_balance_fs(sbi);

	old_entry = f2fs_find_entry(old_dir, &old_dentry->d_name, &old_page);
	if (!old_entry)
		goto out;

	if (S_ISDIR(old_inode->i_mode)) {
		err = -EIO;
		old_dir_entry = f2fs_parent_dir(old_inode, &old_dir_page);
		if (!old_dir_entry)
			goto out_old;
	}

	if (new_inode) {

		err = -ENOTEMPTY;
		if (old_dir_entry && !f2fs_empty_dir(new_inode))
			goto out_dir;

		err = -ENOENT;
		new_entry = f2fs_find_entry(new_dir, &new_dentry->d_name,
						&new_page);
		if (!new_entry)
			goto out_dir;

		f2fs_lock_op(sbi);

		err = acquire_orphan_inode(sbi);
		if (err)
			goto put_out_dir;

		if (update_dent_inode(old_inode, &new_dentry->d_name)) {
			release_orphan_inode(sbi);
			goto put_out_dir;
		}

		f2fs_set_link(new_dir, new_entry, new_page, old_inode);

		new_inode->i_ctime = CURRENT_TIME;
		down_write(&F2FS_I(new_inode)->i_sem);
		if (old_dir_entry)
			drop_nlink(new_inode);
		drop_nlink(new_inode);
		up_write(&F2FS_I(new_inode)->i_sem);

		mark_inode_dirty(new_inode);

		if (!new_inode->i_nlink)
			add_orphan_inode(sbi, new_inode->i_ino);
		else
			release_orphan_inode(sbi);

		update_inode_page(old_inode);
		update_inode_page(new_inode);
	} else {
		f2fs_lock_op(sbi);

		err = f2fs_add_link(new_dentry, old_inode);
		if (err) {
			f2fs_unlock_op(sbi);
			goto out_dir;
		}

		if (old_dir_entry) {
			inc_nlink(new_dir);
			update_inode_page(new_dir);
		}
	}

	down_write(&F2FS_I(old_inode)->i_sem);
	file_lost_pino(old_inode);
	up_write(&F2FS_I(old_inode)->i_sem);

	old_inode->i_ctime = CURRENT_TIME;
	mark_inode_dirty(old_inode);

	f2fs_delete_entry(old_entry, old_page, old_dir, NULL);

	if (old_dir_entry) {
		if (old_dir != new_dir) {
			f2fs_set_link(old_inode, old_dir_entry,
						old_dir_page, new_dir);
			update_inode_page(old_inode);
		} else {
			kunmap(old_dir_page);
			f2fs_put_page(old_dir_page, 0);
		}
		drop_nlink(old_dir);
		mark_inode_dirty(old_dir);
		update_inode_page(old_dir);
	}

	f2fs_unlock_op(sbi);
	return 0;

put_out_dir:
	f2fs_unlock_op(sbi);
	kunmap(new_page);
	f2fs_put_page(new_page, 0);
out_dir:
	if (old_dir_entry) {
		kunmap(old_dir_page);
		f2fs_put_page(old_dir_page, 0);
	}
out_old:
	kunmap(old_page);
	f2fs_put_page(old_page, 0);
out:
	return err;
}

static int f2fs_cross_rename(struct inode *old_dir, struct dentry *old_dentry,
			     struct inode *new_dir, struct dentry *new_dentry)
{
	struct f2fs_sb_info *sbi = F2FS_I_SB(old_dir);
	struct inode *old_inode = old_dentry->d_inode;
	struct inode *new_inode = new_dentry->d_inode;
	struct page *old_dir_page, *new_dir_page;
	struct page *old_page, *new_page;
	struct f2fs_dir_entry *old_dir_entry = NULL, *new_dir_entry = NULL;
	struct f2fs_dir_entry *old_entry, *new_entry;
	int old_nlink = 0, new_nlink = 0;
	int err = -ENOENT;

	f2fs_balance_fs(sbi);

	old_entry = f2fs_find_entry(old_dir, &old_dentry->d_name, &old_page);
	if (!old_entry)
		goto out;

	new_entry = f2fs_find_entry(new_dir, &new_dentry->d_name, &new_page);
	if (!new_entry)
		goto out_old;

	/* prepare for updating ".." directory entry info later */
	if (old_dir != new_dir) {
		if (S_ISDIR(old_inode->i_mode)) {
			err = -EIO;
			old_dir_entry = f2fs_parent_dir(old_inode,
							&old_dir_page);
			if (!old_dir_entry)
				goto out_new;
		}

		if (S_ISDIR(new_inode->i_mode)) {
			err = -EIO;
			new_dir_entry = f2fs_parent_dir(new_inode,
							&new_dir_page);
			if (!new_dir_entry)
				goto out_old_dir;
		}
	}

	/*
	 * If cross rename between file and directory those are not
	 * in the same directory, we will inc nlink of file's parent
	 * later, so we should check upper boundary of its nlink.
	 */
	if ((!old_dir_entry || !new_dir_entry) &&
				old_dir_entry != new_dir_entry) {
		old_nlink = old_dir_entry ? -1 : 1;
		new_nlink = -old_nlink;
		err = -EMLINK;
		if ((old_nlink > 0 && old_inode->i_nlink >= F2FS_LINK_MAX) ||
			(new_nlink > 0 && new_inode->i_nlink >= F2FS_LINK_MAX))
			goto out_new_dir;
	}

	f2fs_lock_op(sbi);

	err = update_dent_inode(old_inode, &new_dentry->d_name);
	if (err)
		goto out_unlock;

	err = update_dent_inode(new_inode, &old_dentry->d_name);
	if (err)
		goto out_undo;

	/* update ".." directory entry info of old dentry */
	if (old_dir_entry)
		f2fs_set_link(old_inode, old_dir_entry, old_dir_page, new_dir);

	/* update ".." directory entry info of new dentry */
	if (new_dir_entry)
		f2fs_set_link(new_inode, new_dir_entry, new_dir_page, old_dir);

	/* update directory entry info of old dir inode */
	f2fs_set_link(old_dir, old_entry, old_page, new_inode);

	down_write(&F2FS_I(old_inode)->i_sem);
	file_lost_pino(old_inode);
	up_write(&F2FS_I(old_inode)->i_sem);

	update_inode_page(old_inode);

	old_dir->i_ctime = CURRENT_TIME;
	if (old_nlink) {
		down_write(&F2FS_I(old_dir)->i_sem);
		if (old_nlink < 0)
			drop_nlink(old_dir);
		else
			inc_nlink(old_dir);
		up_write(&F2FS_I(old_dir)->i_sem);
	}
	mark_inode_dirty(old_dir);
	update_inode_page(old_dir);

	/* update directory entry info of new dir inode */
	f2fs_set_link(new_dir, new_entry, new_page, old_inode);

	down_write(&F2FS_I(new_inode)->i_sem);
	file_lost_pino(new_inode);
	up_write(&F2FS_I(new_inode)->i_sem);

	update_inode_page(new_inode);

	new_dir->i_ctime = CURRENT_TIME;
	if (new_nlink) {
		down_write(&F2FS_I(new_dir)->i_sem);
		if (new_nlink < 0)
			drop_nlink(new_dir);
		else
			inc_nlink(new_dir);
		up_write(&F2FS_I(new_dir)->i_sem);
	}
	mark_inode_dirty(new_dir);
	update_inode_page(new_dir);

	f2fs_unlock_op(sbi);
	return 0;
out_undo:
	/* Still we may fail to recover name info of f2fs_inode here */
	update_dent_inode(old_inode, &old_dentry->d_name);
out_unlock:
	f2fs_unlock_op(sbi);
out_new_dir:
	if (new_dir_entry) {
		kunmap(new_dir_page);
		f2fs_put_page(new_dir_page, 0);
	}
out_old_dir:
	if (old_dir_entry) {
		kunmap(old_dir_page);
		f2fs_put_page(old_dir_page, 0);
	}
out_new:
	kunmap(new_page);
	f2fs_put_page(new_page, 0);
out_old:
	kunmap(old_page);
	f2fs_put_page(old_page, 0);
out:
	return err;
}

static int f2fs_rename2(struct inode *old_dir, struct dentry *old_dentry,
			struct inode *new_dir, struct dentry *new_dentry,
			unsigned int flags)
{
	if (flags & ~(RENAME_NOREPLACE | RENAME_EXCHANGE))
		return -EINVAL;

	if (flags & RENAME_EXCHANGE) {
		return f2fs_cross_rename(old_dir, old_dentry,
					 new_dir, new_dentry);
	}
	/*
	 * VFS has already handled the new dentry existence case,
	 * here, we just deal with "RENAME_NOREPLACE" as regular rename.
	 */
	return f2fs_rename(old_dir, old_dentry, new_dir, new_dentry);
}

static int f2fs_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode)
{
	struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
	struct inode *inode;
	int err;

	inode = f2fs_new_inode(dir, mode);
	if (IS_ERR(inode))
		return PTR_ERR(inode);

	inode->i_op = &f2fs_file_inode_operations;
	inode->i_fop = &f2fs_file_operations;
	inode->i_mapping->a_ops = &f2fs_dblock_aops;

	f2fs_lock_op(sbi);
	err = acquire_orphan_inode(sbi);
	if (err)
		goto out;

	err = f2fs_do_tmpfile(inode, dir);
	if (err)
		goto release_out;

	/*
	 * add this non-linked tmpfile to orphan list, in this way we could
	 * remove all unused data of tmpfile after abnormal power-off.
	 */
	add_orphan_inode(sbi, inode->i_ino);
	f2fs_unlock_op(sbi);

	alloc_nid_done(sbi, inode->i_ino);
	d_tmpfile(dentry, inode);
	unlock_new_inode(inode);
	return 0;

release_out:
	release_orphan_inode(sbi);
out:
	handle_failed_inode(inode);
	return err;
}

const struct inode_operations f2fs_dir_inode_operations = {
	.create		= f2fs_create,
	.lookup		= f2fs_lookup,
	.link		= f2fs_link,
	.unlink		= f2fs_unlink,
	.symlink	= f2fs_symlink,
	.mkdir		= f2fs_mkdir,
	.rmdir		= f2fs_rmdir,
	.mknod		= f2fs_mknod,
	.rename2	= f2fs_rename2,
	.tmpfile	= f2fs_tmpfile,
	.getattr	= f2fs_getattr,
	.setattr	= f2fs_setattr,
	.get_acl	= f2fs_get_acl,
	.set_acl	= f2fs_set_acl,
#ifdef CONFIG_F2FS_FS_XATTR
	.setxattr	= generic_setxattr,
	.getxattr	= generic_getxattr,
	.listxattr	= f2fs_listxattr,
	.removexattr	= generic_removexattr,
#endif
};

const struct inode_operations f2fs_symlink_inode_operations = {
	.readlink       = generic_readlink,
	.follow_link    = page_follow_link_light,
	.put_link       = page_put_link,
	.getattr	= f2fs_getattr,
	.setattr	= f2fs_setattr,
#ifdef CONFIG_F2FS_FS_XATTR
	.setxattr	= generic_setxattr,
	.getxattr	= generic_getxattr,
	.listxattr	= f2fs_listxattr,
	.removexattr	= generic_removexattr,
#endif
};

const struct inode_operations f2fs_special_inode_operations = {
	.getattr	= f2fs_getattr,
	.setattr        = f2fs_setattr,
	.get_acl	= f2fs_get_acl,
	.set_acl	= f2fs_set_acl,
#ifdef CONFIG_F2FS_FS_XATTR
	.setxattr       = generic_setxattr,
	.getxattr       = generic_getxattr,
	.listxattr	= f2fs_listxattr,
	.removexattr    = generic_removexattr,
#endif
};
Commit	Line	Data
0a8165d7	1	/*
57397d86 JK	2	* fs/f2fs/namei.c
	3	*
	4	* Copyright (c) 2012 Samsung Electronics Co., Ltd.
	5	* http://www.samsung.com/
	6	*
	7	* This program is free software; you can redistribute it and/or modify
	8	* it under the terms of the GNU General Public License version 2 as
	9	* published by the Free Software Foundation.
	10	*/
	11	#include <linux/fs.h>
	12	#include <linux/f2fs_fs.h>
	13	#include <linux/pagemap.h>
	14	#include <linux/sched.h>
	15	#include <linux/ctype.h>
50732df0	16	#include <linux/dcache.h>
57397d86 JK	17
57397d86 JK	18	#include "f2fs.h"
953a3e27	19	#include "node.h"
57397d86 JK	20	#include "xattr.h"
57397d86 JK	21	#include "acl.h"
a2a4a7e4	22	#include <trace/events/f2fs.h>
57397d86 JK	23
	24	static struct inode f2fs_new_inode(struct inode dir, umode_t mode)
	25	{
4081363f	26	struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
57397d86 JK	27	nid_t ino;
	28	struct inode *inode;
	29	bool nid_free = false;
e479556b	30	int err;
57397d86	31
a014e037	32	inode = new_inode(dir->i_sb);
57397d86 JK	33	if (!inode)
	34	return ERR_PTR(-ENOMEM);
	35
e479556b	36	f2fs_lock_op(sbi);
57397d86	37	if (!alloc_nid(sbi, &ino)) {
e479556b	38	f2fs_unlock_op(sbi);
57397d86 JK	39	err = -ENOSPC;
	40	goto fail;
	41	}
e479556b	42	f2fs_unlock_op(sbi);
57397d86	43
70ff5dfe	44	inode_init_owner(inode, dir, mode);
57397d86 JK	45
57397d86 JK	46	inode->i_ino = ino;
57397d86 JK	47	inode->i_blocks = 0;
	48	inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
	49	inode->i_generation = sbi->s_next_generation++;
	50
	51	err = insert_inode_locked(inode);
	52	if (err) {
	53	err = -EINVAL;
	54	nid_free = true;
	55	goto out;
	56	}
d70b4f53	57	trace_f2fs_new_inode(inode, 0);
57397d86 JK	58	mark_inode_dirty(inode);
	59	return inode;
	60
	61	out:
	62	clear_nlink(inode);
	63	unlock_new_inode(inode);
	64	fail:
d70b4f53	65	trace_f2fs_new_inode(inode, err);
531ad7d5	66	make_bad_inode(inode);
57397d86 JK	67	iput(inode);
	68	if (nid_free)
	69	alloc_nid_failed(sbi, ino);
	70	return ERR_PTR(err);
	71	}
	72
	73	static int is_multimedia_file(const unsigned char s, const char sub)
	74	{
9836b8b9 LR	75	size_t slen = strlen(s);
9836b8b9 LR	76	size_t sublen = strlen(sub);
57397d86 JK	77
57397d86 JK	78	if (sublen > slen)
e66509f0	79	return 0;
57397d86	80
749ebfd1	81	return !strncasecmp(s + slen - sublen, sub, sublen);
57397d86 JK	82	}
57397d86 JK	83
0a8165d7	84	/*
57397d86 JK	85	* Set multimedia files as cold files for hot/cold data separation
57397d86 JK	86	*/
953a3e27	87	static inline void set_cold_files(struct f2fs_sb_info sbi, struct inode inode,
57397d86 JK	88	const unsigned char *name)
	89	{
	90	int i;
	91	__u8 (*extlist)[8] = sbi->raw_super->extension_list;
	92
	93	int count = le32_to_cpu(sbi->raw_super->extension_count);
	94	for (i = 0; i < count; i++) {
e66509f0	95	if (is_multimedia_file(name, extlist[i])) {
354a3399	96	file_set_cold(inode);
57397d86 JK	97	break;
	98	}
	99	}
	100	}
	101
	102	static int f2fs_create(struct inode dir, struct dentry dentry, umode_t mode,
	103	bool excl)
	104	{
4081363f	105	struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
57397d86 JK	106	struct inode *inode;
57397d86 JK	107	nid_t ino = 0;
e479556b	108	int err;
57397d86	109
1efef832 JK	110	f2fs_balance_fs(sbi);
1efef832 JK	111
57397d86 JK	112	inode = f2fs_new_inode(dir, mode);
	113	if (IS_ERR(inode))
	114	return PTR_ERR(inode);
	115
	116	if (!test_opt(sbi, DISABLE_EXT_IDENTIFY))
953a3e27	117	set_cold_files(sbi, inode, dentry->d_name.name);
57397d86 JK	118
	119	inode->i_op = &f2fs_file_inode_operations;
	120	inode->i_fop = &f2fs_file_operations;
	121	inode->i_mapping->a_ops = &f2fs_dblock_aops;
	122	ino = inode->i_ino;
	123
e479556b	124	f2fs_lock_op(sbi);
57397d86 JK	125	err = f2fs_add_link(dentry, inode);
	126	if (err)
	127	goto out;
44c16156	128	f2fs_unlock_op(sbi);
57397d86 JK	129
	130	alloc_nid_done(sbi, ino);
	131
0a364af1	132	d_instantiate(dentry, inode);
57397d86	133	unlock_new_inode(inode);
57397d86 JK	134	return 0;
57397d86 JK	135	out:
44c16156	136	handle_failed_inode(inode);
57397d86 JK	137	return err;
	138	}
	139
	140	static int f2fs_link(struct dentry old_dentry, struct inode dir,
	141	struct dentry *dentry)
	142	{
	143	struct inode *inode = old_dentry->d_inode;
4081363f	144	struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
e479556b	145	int err;
57397d86	146
1efef832 JK	147	f2fs_balance_fs(sbi);
1efef832 JK	148
57397d86	149	inode->i_ctime = CURRENT_TIME;
6f6fd833	150	ihold(inode);
57397d86 JK	151
57397d86 JK	152	set_inode_flag(F2FS_I(inode), FI_INC_LINK);
e479556b	153	f2fs_lock_op(sbi);
57397d86 JK	154	err = f2fs_add_link(dentry, inode);
	155	if (err)
	156	goto out;
44c16156	157	f2fs_unlock_op(sbi);
57397d86 JK	158
57397d86 JK	159	d_instantiate(dentry, inode);
57397d86 JK	160	return 0;
	161	out:
	162	clear_inode_flag(F2FS_I(inode), FI_INC_LINK);
	163	iput(inode);
44c16156	164	f2fs_unlock_op(sbi);
57397d86 JK	165	return err;
	166	}
	167
	168	struct dentry f2fs_get_parent(struct dentry child)
	169	{
	170	struct qstr dotdot = QSTR_INIT("..", 2);
	171	unsigned long ino = f2fs_inode_by_name(child->d_inode, &dotdot);
	172	if (!ino)
	173	return ERR_PTR(-ENOENT);
	174	return d_obtain_alias(f2fs_iget(child->d_inode->i_sb, ino));
	175	}
	176
	177	static struct dentry f2fs_lookup(struct inode dir, struct dentry *dentry,
	178	unsigned int flags)
	179	{
	180	struct inode *inode = NULL;
	181	struct f2fs_dir_entry *de;
	182	struct page *page;
	183
5a20d339	184	if (dentry->d_name.len > F2FS_NAME_LEN)
57397d86 JK	185	return ERR_PTR(-ENAMETOOLONG);
	186
	187	de = f2fs_find_entry(dir, &dentry->d_name, &page);
	188	if (de) {
	189	nid_t ino = le32_to_cpu(de->ino);
	190	kunmap(page);
	191	f2fs_put_page(page, 0);
	192
	193	inode = f2fs_iget(dir->i_sb, ino);
	194	if (IS_ERR(inode))
	195	return ERR_CAST(inode);
48b230a5 CY	196
48b230a5 CY	197	stat_inc_inline_inode(inode);
57397d86 JK	198	}
	199
	200	return d_splice_alias(inode, dentry);
	201	}
	202
	203	static int f2fs_unlink(struct inode dir, struct dentry dentry)
	204	{
4081363f	205	struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
57397d86 JK	206	struct inode *inode = dentry->d_inode;
	207	struct f2fs_dir_entry *de;
	208	struct page *page;
	209	int err = -ENOENT;
	210
a2a4a7e4	211	trace_f2fs_unlink_enter(dir, dentry);
1efef832 JK	212	f2fs_balance_fs(sbi);
1efef832 JK	213
57397d86 JK	214	de = f2fs_find_entry(dir, &dentry->d_name, &page);
	215	if (!de)
	216	goto fail;
	217
ccaaca25	218	f2fs_lock_op(sbi);
cbd56e7d	219	err = acquire_orphan_inode(sbi);
57397d86	220	if (err) {
ccaaca25	221	f2fs_unlock_op(sbi);
57397d86 JK	222	kunmap(page);
	223	f2fs_put_page(page, 0);
	224	goto fail;
	225	}
dbeacf02	226	f2fs_delete_entry(de, page, dir, inode);
e479556b	227	f2fs_unlock_op(sbi);
57397d86	228
e1c42045	229	/* In order to evict this inode, we set it dirty */
57397d86	230	mark_inode_dirty(inode);
57397d86	231	fail:
a2a4a7e4	232	trace_f2fs_unlink_exit(inode, err);
57397d86 JK	233	return err;
	234	}
	235
	236	static int f2fs_symlink(struct inode dir, struct dentry dentry,
	237	const char *symname)
	238	{
4081363f	239	struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
57397d86	240	struct inode *inode;
9836b8b9	241	size_t symlen = strlen(symname) + 1;
e479556b	242	int err;
57397d86	243
1efef832 JK	244	f2fs_balance_fs(sbi);
1efef832 JK	245
57397d86 JK	246	inode = f2fs_new_inode(dir, S_IFLNK \| S_IRWXUGO);
	247	if (IS_ERR(inode))
	248	return PTR_ERR(inode);
	249
	250	inode->i_op = &f2fs_symlink_inode_operations;
	251	inode->i_mapping->a_ops = &f2fs_dblock_aops;
	252
e479556b	253	f2fs_lock_op(sbi);
57397d86 JK	254	err = f2fs_add_link(dentry, inode);
	255	if (err)
	256	goto out;
44c16156	257	f2fs_unlock_op(sbi);
57397d86 JK	258
	259	err = page_symlink(inode, symname, symlen);
	260	alloc_nid_done(sbi, inode->i_ino);
	261
	262	d_instantiate(dentry, inode);
	263	unlock_new_inode(inode);
57397d86 JK	264	return err;
57397d86 JK	265	out:
44c16156	266	handle_failed_inode(inode);
57397d86 JK	267	return err;
	268	}
	269
	270	static int f2fs_mkdir(struct inode dir, struct dentry dentry, umode_t mode)
	271	{
4081363f	272	struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
57397d86	273	struct inode *inode;
e479556b	274	int err;
57397d86	275
1efef832 JK	276	f2fs_balance_fs(sbi);
1efef832 JK	277
57397d86	278	inode = f2fs_new_inode(dir, S_IFDIR \| mode);
57397d86	279	if (IS_ERR(inode))
61412b64	280	return PTR_ERR(inode);
57397d86 JK	281
	282	inode->i_op = &f2fs_dir_inode_operations;
	283	inode->i_fop = &f2fs_dir_operations;
	284	inode->i_mapping->a_ops = &f2fs_dblock_aops;
a0d42539	285	mapping_set_gfp_mask(inode->i_mapping, GFP_F2FS_ZERO);
57397d86 JK	286
57397d86 JK	287	set_inode_flag(F2FS_I(inode), FI_INC_LINK);
e479556b	288	f2fs_lock_op(sbi);
57397d86 JK	289	err = f2fs_add_link(dentry, inode);
	290	if (err)
	291	goto out_fail;
44c16156	292	f2fs_unlock_op(sbi);
57397d86 JK	293
	294	alloc_nid_done(sbi, inode->i_ino);
	295
	296	d_instantiate(dentry, inode);
	297	unlock_new_inode(inode);
	298
57397d86 JK	299	return 0;
	300
	301	out_fail:
	302	clear_inode_flag(F2FS_I(inode), FI_INC_LINK);
44c16156	303	handle_failed_inode(inode);
57397d86 JK	304	return err;
	305	}
	306
	307	static int f2fs_rmdir(struct inode dir, struct dentry dentry)
	308	{
	309	struct inode *inode = dentry->d_inode;
	310	if (f2fs_empty_dir(inode))
	311	return f2fs_unlink(dir, dentry);
	312	return -ENOTEMPTY;
	313	}
	314
	315	static int f2fs_mknod(struct inode dir, struct dentry dentry,
	316	umode_t mode, dev_t rdev)
	317	{
4081363f	318	struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
57397d86 JK	319	struct inode *inode;
	320	int err = 0;
	321
	322	if (!new_valid_dev(rdev))
	323	return -EINVAL;
	324
1efef832 JK	325	f2fs_balance_fs(sbi);
1efef832 JK	326
57397d86 JK	327	inode = f2fs_new_inode(dir, mode);
	328	if (IS_ERR(inode))
	329	return PTR_ERR(inode);
	330
	331	init_special_inode(inode, inode->i_mode, rdev);
	332	inode->i_op = &f2fs_special_inode_operations;
	333
e479556b	334	f2fs_lock_op(sbi);
57397d86 JK	335	err = f2fs_add_link(dentry, inode);
	336	if (err)
	337	goto out;
44c16156	338	f2fs_unlock_op(sbi);
57397d86 JK	339
	340	alloc_nid_done(sbi, inode->i_ino);
	341	d_instantiate(dentry, inode);
	342	unlock_new_inode(inode);
57397d86 JK	343	return 0;
57397d86 JK	344	out:
44c16156	345	handle_failed_inode(inode);
57397d86 JK	346	return err;
	347	}
	348
	349	static int f2fs_rename(struct inode old_dir, struct dentry old_dentry,
	350	struct inode new_dir, struct dentry new_dentry)
	351	{
4081363f	352	struct f2fs_sb_info *sbi = F2FS_I_SB(old_dir);
57397d86 JK	353	struct inode *old_inode = old_dentry->d_inode;
	354	struct inode *new_inode = new_dentry->d_inode;
	355	struct page *old_dir_page;
cbd56e7d	356	struct page old_page, new_page;
57397d86 JK	357	struct f2fs_dir_entry *old_dir_entry = NULL;
	358	struct f2fs_dir_entry *old_entry;
	359	struct f2fs_dir_entry *new_entry;
e479556b	360	int err = -ENOENT;
57397d86	361
1efef832 JK	362	f2fs_balance_fs(sbi);
1efef832 JK	363
57397d86 JK	364	old_entry = f2fs_find_entry(old_dir, &old_dentry->d_name, &old_page);
	365	if (!old_entry)
	366	goto out;
	367
	368	if (S_ISDIR(old_inode->i_mode)) {
	369	err = -EIO;
	370	old_dir_entry = f2fs_parent_dir(old_inode, &old_dir_page);
	371	if (!old_dir_entry)
	372	goto out_old;
	373	}
	374
57397d86	375	if (new_inode) {
57397d86 JK	376
	377	err = -ENOTEMPTY;
	378	if (old_dir_entry && !f2fs_empty_dir(new_inode))
	379	goto out_dir;
	380
	381	err = -ENOENT;
	382	new_entry = f2fs_find_entry(new_dir, &new_dentry->d_name,
	383	&new_page);
	384	if (!new_entry)
	385	goto out_dir;
	386
1256010a CY	387	f2fs_lock_op(sbi);
1256010a CY	388
cbd56e7d JK	389	err = acquire_orphan_inode(sbi);
	390	if (err)
	391	goto put_out_dir;
	392
1cd14caf	393	if (update_dent_inode(old_inode, &new_dentry->d_name)) {
cbd56e7d JK	394	release_orphan_inode(sbi);
cbd56e7d JK	395	goto put_out_dir;
1cd14caf JK	396	}
1cd14caf JK	397
57397d86 JK	398	f2fs_set_link(new_dir, new_entry, new_page, old_inode);
	399
	400	new_inode->i_ctime = CURRENT_TIME;
d928bfbf	401	down_write(&F2FS_I(new_inode)->i_sem);
57397d86 JK	402	if (old_dir_entry)
	403	drop_nlink(new_inode);
	404	drop_nlink(new_inode);
d928bfbf JK	405	up_write(&F2FS_I(new_inode)->i_sem);
d928bfbf JK	406
a18ff063	407	mark_inode_dirty(new_inode);
cbd56e7d	408
57397d86 JK	409	if (!new_inode->i_nlink)
57397d86 JK	410	add_orphan_inode(sbi, new_inode->i_ino);
cbd56e7d JK	411	else
	412	release_orphan_inode(sbi);
	413
8cb82688	414	update_inode_page(old_inode);
39936837	415	update_inode_page(new_inode);
57397d86	416	} else {
1256010a CY	417	f2fs_lock_op(sbi);
1256010a CY	418
57397d86	419	err = f2fs_add_link(new_dentry, old_inode);
1256010a CY	420	if (err) {
1256010a CY	421	f2fs_unlock_op(sbi);
57397d86	422	goto out_dir;
1256010a	423	}
57397d86 JK	424
	425	if (old_dir_entry) {
	426	inc_nlink(new_dir);
39936837	427	update_inode_page(new_dir);
57397d86 JK	428	}
	429	}
	430
b2c08299 JK	431	down_write(&F2FS_I(old_inode)->i_sem);
	432	file_lost_pino(old_inode);
	433	up_write(&F2FS_I(old_inode)->i_sem);
	434
57397d86	435	old_inode->i_ctime = CURRENT_TIME;
57397d86 JK	436	mark_inode_dirty(old_inode);
57397d86 JK	437
dbeacf02	438	f2fs_delete_entry(old_entry, old_page, old_dir, NULL);
57397d86 JK	439
	440	if (old_dir_entry) {
	441	if (old_dir != new_dir) {
	442	f2fs_set_link(old_inode, old_dir_entry,
	443	old_dir_page, new_dir);
a18ff063	444	update_inode_page(old_inode);
57397d86 JK	445	} else {
	446	kunmap(old_dir_page);
	447	f2fs_put_page(old_dir_page, 0);
	448	}
	449	drop_nlink(old_dir);
a18ff063	450	mark_inode_dirty(old_dir);
39936837	451	update_inode_page(old_dir);
57397d86 JK	452	}
57397d86 JK	453
e479556b	454	f2fs_unlock_op(sbi);
57397d86 JK	455	return 0;
57397d86 JK	456
cbd56e7d	457	put_out_dir:
1256010a	458	f2fs_unlock_op(sbi);
dd4d961f CY	459	kunmap(new_page);
dd4d961f CY	460	f2fs_put_page(new_page, 0);
57397d86 JK	461	out_dir:
	462	if (old_dir_entry) {
	463	kunmap(old_dir_page);
	464	f2fs_put_page(old_dir_page, 0);
	465	}
57397d86 JK	466	out_old:
	467	kunmap(old_page);
	468	f2fs_put_page(old_page, 0);
	469	out:
	470	return err;
	471	}
	472
32f9bc25 CY	473	static int f2fs_cross_rename(struct inode old_dir, struct dentry old_dentry,
	474	struct inode new_dir, struct dentry new_dentry)
	475	{
4081363f	476	struct f2fs_sb_info *sbi = F2FS_I_SB(old_dir);
32f9bc25 CY	477	struct inode *old_inode = old_dentry->d_inode;
	478	struct inode *new_inode = new_dentry->d_inode;
	479	struct page old_dir_page, new_dir_page;
	480	struct page old_page, new_page;
	481	struct f2fs_dir_entry old_dir_entry = NULL, new_dir_entry = NULL;
	482	struct f2fs_dir_entry old_entry, new_entry;
	483	int old_nlink = 0, new_nlink = 0;
	484	int err = -ENOENT;
	485
	486	f2fs_balance_fs(sbi);
	487
	488	old_entry = f2fs_find_entry(old_dir, &old_dentry->d_name, &old_page);
	489	if (!old_entry)
	490	goto out;
	491
	492	new_entry = f2fs_find_entry(new_dir, &new_dentry->d_name, &new_page);
	493	if (!new_entry)
	494	goto out_old;
	495
	496	/* prepare for updating ".." directory entry info later */
	497	if (old_dir != new_dir) {
	498	if (S_ISDIR(old_inode->i_mode)) {
	499	err = -EIO;
	500	old_dir_entry = f2fs_parent_dir(old_inode,
	501	&old_dir_page);
	502	if (!old_dir_entry)
	503	goto out_new;
	504	}
	505
	506	if (S_ISDIR(new_inode->i_mode)) {
	507	err = -EIO;
	508	new_dir_entry = f2fs_parent_dir(new_inode,
	509	&new_dir_page);
	510	if (!new_dir_entry)
	511	goto out_old_dir;
	512	}
	513	}
	514
	515	/*
	516	* If cross rename between file and directory those are not
	517	* in the same directory, we will inc nlink of file's parent
	518	* later, so we should check upper boundary of its nlink.
	519	*/
	520	if ((!old_dir_entry \|\| !new_dir_entry) &&
	521	old_dir_entry != new_dir_entry) {
	522	old_nlink = old_dir_entry ? -1 : 1;
	523	new_nlink = -old_nlink;
	524	err = -EMLINK;
	525	if ((old_nlink > 0 && old_inode->i_nlink >= F2FS_LINK_MAX) \|\|
	526	(new_nlink > 0 && new_inode->i_nlink >= F2FS_LINK_MAX))
	527	goto out_new_dir;
	528	}
	529
	530	f2fs_lock_op(sbi);
	531
	532	err = update_dent_inode(old_inode, &new_dentry->d_name);
	533	if (err)
	534	goto out_unlock;
	535
	536	err = update_dent_inode(new_inode, &old_dentry->d_name);
	537	if (err)
	538	goto out_undo;
	539
	540	/* update ".." directory entry info of old dentry */
541	if (old_dir_entry)
542	f2fs_set_link(old_inode, old_dir_entry, old_dir_page, new_dir);
543
544	/* update ".." directory entry info of new dentry */
545	if (new_dir_entry)
546	f2fs_set_link(new_inode, new_dir_entry, new_dir_page, old_dir);
547
548	/* update directory entry info of old dir inode */
549	f2fs_set_link(old_dir, old_entry, old_page, new_inode);
550
551	down_write(&F2FS_I(old_inode)->i_sem);
552	file_lost_pino(old_inode);
553	up_write(&F2FS_I(old_inode)->i_sem);
554
555	update_inode_page(old_inode);
556
557	old_dir->i_ctime = CURRENT_TIME;
558	if (old_nlink) {
559	down_write(&F2FS_I(old_dir)->i_sem);
560	if (old_nlink < 0)
561	drop_nlink(old_dir);
562	else
563	inc_nlink(old_dir);
564	up_write(&F2FS_I(old_dir)->i_sem);
565	}
566	mark_inode_dirty(old_dir);
567	update_inode_page(old_dir);
568
569	/* update directory entry info of new dir inode */
570	f2fs_set_link(new_dir, new_entry, new_page, old_inode);
571
572	down_write(&F2FS_I(new_inode)->i_sem);
573	file_lost_pino(new_inode);
574	up_write(&F2FS_I(new_inode)->i_sem);
575
576	update_inode_page(new_inode);
577
578	new_dir->i_ctime = CURRENT_TIME;
579	if (new_nlink) {
580	down_write(&F2FS_I(new_dir)->i_sem);
581	if (new_nlink < 0)
582	drop_nlink(new_dir);
583	else
584	inc_nlink(new_dir);
585	up_write(&F2FS_I(new_dir)->i_sem);
586	}
587	mark_inode_dirty(new_dir);
588	update_inode_page(new_dir);
589
590	f2fs_unlock_op(sbi);
591	return 0;
592	out_undo:
593	/* Still we may fail to recover name info of f2fs_inode here */
594	update_dent_inode(old_inode, &old_dentry->d_name);
595	out_unlock:
596	f2fs_unlock_op(sbi);
597	out_new_dir:
598	if (new_dir_entry) {
599	kunmap(new_dir_page);
600	f2fs_put_page(new_dir_page, 0);
601	}
602	out_old_dir:
603	if (old_dir_entry) {
604	kunmap(old_dir_page);
605	f2fs_put_page(old_dir_page, 0);
606	}
607	out_new:
608	kunmap(new_page);
609	f2fs_put_page(new_page, 0);
610	out_old:
611	kunmap(old_page);
612	f2fs_put_page(old_page, 0);
613	out:
614	return err;
615	}
616
617	static int f2fs_rename2(struct inode old_dir, struct dentry old_dentry,
618	struct inode new_dir, struct dentry new_dentry,
619	unsigned int flags)
620	{
621	if (flags & ~(RENAME_NOREPLACE \| RENAME_EXCHANGE))
622	return -EINVAL;
623
624	if (flags & RENAME_EXCHANGE) {
625	return f2fs_cross_rename(old_dir, old_dentry,
626	new_dir, new_dentry);
627	}
628	/*
629	* VFS has already handled the new dentry existence case,
630	* here, we just deal with "RENAME_NOREPLACE" as regular rename.
631	*/
632	return f2fs_rename(old_dir, old_dentry, new_dir, new_dentry);
633	}
634
50732df0 CY	635	static int f2fs_tmpfile(struct inode dir, struct dentry dentry, umode_t mode)
50732df0 CY	636	{
4081363f	637	struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
50732df0	638	struct inode *inode;
50732df0 CY	639	int err;
	640
	641	inode = f2fs_new_inode(dir, mode);
	642	if (IS_ERR(inode))
	643	return PTR_ERR(inode);
	644
	645	inode->i_op = &f2fs_file_inode_operations;
	646	inode->i_fop = &f2fs_file_operations;
	647	inode->i_mapping->a_ops = &f2fs_dblock_aops;
	648
	649	f2fs_lock_op(sbi);
	650	err = acquire_orphan_inode(sbi);
	651	if (err)
	652	goto out;
b97a9b5d JK	653
	654	err = f2fs_do_tmpfile(inode, dir);
	655	if (err)
	656	goto release_out;
	657
50732df0 CY	658	/*
	659	* add this non-linked tmpfile to orphan list, in this way we could
	660	* remove all unused data of tmpfile after abnormal power-off.
	661	*/
	662	add_orphan_inode(sbi, inode->i_ino);
50732df0 CY	663	f2fs_unlock_op(sbi);
	664
	665	alloc_nid_done(sbi, inode->i_ino);
50732df0 CY	666	d_tmpfile(dentry, inode);
	667	unlock_new_inode(inode);
	668	return 0;
b97a9b5d JK	669
	670	release_out:
	671	release_orphan_inode(sbi);
50732df0	672	out:
44c16156	673	handle_failed_inode(inode);
50732df0 CY	674	return err;
	675	}
	676
57397d86 JK	677	const struct inode_operations f2fs_dir_inode_operations = {
	678	.create = f2fs_create,
	679	.lookup = f2fs_lookup,
	680	.link = f2fs_link,
	681	.unlink = f2fs_unlink,
	682	.symlink = f2fs_symlink,
	683	.mkdir = f2fs_mkdir,
	684	.rmdir = f2fs_rmdir,
	685	.mknod = f2fs_mknod,
32f9bc25	686	.rename2 = f2fs_rename2,
50732df0	687	.tmpfile = f2fs_tmpfile,
2d4d9fb5	688	.getattr = f2fs_getattr,
57397d86 JK	689	.setattr = f2fs_setattr,
57397d86 JK	690	.get_acl = f2fs_get_acl,
a6dda0e6	691	.set_acl = f2fs_set_acl,
57397d86 JK	692	#ifdef CONFIG_F2FS_FS_XATTR
	693	.setxattr = generic_setxattr,
	694	.getxattr = generic_getxattr,
	695	.listxattr = f2fs_listxattr,
	696	.removexattr = generic_removexattr,
	697	#endif
	698	};
	699
	700	const struct inode_operations f2fs_symlink_inode_operations = {
	701	.readlink = generic_readlink,
	702	.follow_link = page_follow_link_light,
	703	.put_link = page_put_link,
2d4d9fb5	704	.getattr = f2fs_getattr,
57397d86 JK	705	.setattr = f2fs_setattr,
	706	#ifdef CONFIG_F2FS_FS_XATTR
	707	.setxattr = generic_setxattr,
	708	.getxattr = generic_getxattr,
	709	.listxattr = f2fs_listxattr,
	710	.removexattr = generic_removexattr,
	711	#endif
	712	};
	713
	714	const struct inode_operations f2fs_special_inode_operations = {
2d4d9fb5	715	.getattr = f2fs_getattr,
57397d86 JK	716	.setattr = f2fs_setattr,
57397d86 JK	717	.get_acl = f2fs_get_acl,
a6dda0e6	718	.set_acl = f2fs_set_acl,
57397d86 JK	719	#ifdef CONFIG_F2FS_FS_XATTR
	720	.setxattr = generic_setxattr,
	721	.getxattr = generic_getxattr,
	722	.listxattr = f2fs_listxattr,
	723	.removexattr = generic_removexattr,
	724	#endif
	725	};