diff options
| -rw-r--r-- | fs/f2fs/namei.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c index a776ade00549..01b9ef6ac581 100644 --- a/fs/f2fs/namei.c +++ b/fs/f2fs/namei.c @@ -612,6 +612,7 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry, struct f2fs_dir_entry *old_dir_entry = NULL; struct f2fs_dir_entry *old_entry; struct f2fs_dir_entry *new_entry; + bool is_old_inline = f2fs_has_inline_dentry(old_dir); int err = -ENOENT; if ((old_dir != new_dir) && f2fs_encrypted_inode(new_dir) && @@ -698,6 +699,26 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry, inc_nlink(new_dir); update_inode_page(new_dir); } + + /* + * old entry and new entry can locate in the same inline + * dentry in inode, when attaching new entry in inline dentry, + * it could force inline dentry conversion, after that, + * old_entry and old_page will point to wrong address, in + * order to avoid this, let's do the check and update here. + */ + if (is_old_inline && !f2fs_has_inline_dentry(old_dir)) { + f2fs_put_page(old_page, 0); + old_page = NULL; + + old_entry = f2fs_find_entry(old_dir, + &old_dentry->d_name, &old_page); + if (!old_entry) { + err = -EIO; + f2fs_unlock_op(sbi); + goto out_whiteout; + } + } } down_write(&F2FS_I(old_inode)->i_sem); |