linux-ext4 - Re: [PATCH] e2fsck: optimize clone

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:   Wed, 25 Jan 2023 22:50:55 -0500
From:   "Theodore Ts'o" <tytso@....edu>
To:     Li Dongyang <dongyangli@....com>, linux-ext4@...r.kernel.org
Cc:     "Theodore Ts'o" <tytso@....edu>, adilger@...ger.ca
Subject: Re: [PATCH] e2fsck: optimize clone_file on large devices

On Tue, 20 Dec 2022 00:05:44 +1100, Li Dongyang wrote:
> When cloning multiply-claimed blocks for an inode,
> clone_file() uses ext2fs_block_iterate3() to iterate
> every block calling clone_file_block().
> clone_file_block() calls check_if_fs_cluster(), even
> the block is not on the block_dup_map, which could take
> a long time on a large device.
> 
> [...]

Applied, thanks!

[1/1] e2fsck: optimize clone_file on large devices
      commit: 6cae615a47dfe37fe5fd096accb82579813a6366

Best regards,
-- 
Theodore Ts'o <tytso@....edu>