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f2fs: fix the fault of checking F2FS_LINK_MAX for rename inode

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The parent directory's nlink will change, not the inode.

Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Kinglong Mee 2017-03-04 21:48:28 +08:00 committed by Jaegeuk Kim
parent 4f1bca9f0d
commit e2f0e962ac
1 changed files with 2 additions and 2 deletions
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4
fs/f2fs/namei.c
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@ -908,8 +908,8 @@ static int f2fs_cross_rename(struct inode *old_dir, struct dentry *old_dentry,
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))
if ((old_nlink > 0 && old_dir->i_nlink >= F2FS_LINK_MAX) ||
(new_nlink > 0 && new_dir->i_nlink >= F2FS_LINK_MAX))
goto out_new_dir;
}