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Revert "udf: Protect rename against modification of moved directory"

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This reverts commit f950fd0529. The
locking is going to be provided by vfs_rename() in the following
patches.

CC: stable@vger.kernel.org
Signed-off-by: Jan Kara <jack@suse.cz>
Message-Id: <20230601105830.13168-2-jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Jan Kara 2023-06-01 12:58:22 +02:00 committed by Christian Brauner
parent 3658840cd3
commit 7517ce5dc4
No known key found for this signature in database
GPG Key ID: 91C61BC06578DCA2
1 changed files with 2 additions and 12 deletions
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14
fs/udf/namei.c
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@ -793,11 +793,6 @@ static int udf_rename(struct mnt_idmap *idmap, struct inode *old_dir,
if (!empty_dir(new_inode))
goto out_oiter;
}
/*
* We need to protect against old_inode getting converted from
* ICB to normal directory.
*/
inode_lock_nested(old_inode, I_MUTEX_NONDIR2);
retval = udf_fiiter_find_entry(old_inode, &dotdot_name,
&diriter);
if (retval == -ENOENT) {
@ -806,10 +801,8 @@ static int udf_rename(struct mnt_idmap *idmap, struct inode *old_dir,
old_inode->i_ino);
retval = -EFSCORRUPTED;
}
if (retval) {
inode_unlock(old_inode);
if (retval)
goto out_oiter;
}
has_diriter = true;
tloc = lelb_to_cpu(diriter.fi.icb.extLocation);
if (udf_get_lb_pblock(old_inode->i_sb, &tloc, 0) !=
@ -889,7 +882,6 @@ static int udf_rename(struct mnt_idmap *idmap, struct inode *old_dir,
udf_dir_entry_len(&diriter.fi));
udf_fiiter_write_fi(&diriter, NULL);
udf_fiiter_release(&diriter);
inode_unlock(old_inode);
inode_dec_link_count(old_dir);
if (new_inode)
@ -901,10 +893,8 @@ static int udf_rename(struct mnt_idmap *idmap, struct inode *old_dir,
}
return 0;
out_oiter:
if (has_diriter) {
if (has_diriter)
udf_fiiter_release(&diriter);
inode_unlock(old_inode);
}
udf_fiiter_release(&oiter);
return retval;