[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <87edjj8b2z.fsf@doe.com>
Date: Thu, 31 Aug 2023 21:21:00 +0530
From: Ritesh Harjani (IBM) <ritesh.list@...il.com>
To: Kemeng Shi <shikemeng@...weicloud.com>, tytso@....edu,
adilger.kernel@...ger.ca, linux-ext4@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH v6 03/11] ext4: extent ext4_mb_mark_context to support allocation under journal
Kemeng Shi <shikemeng@...weicloud.com> writes:
commit: extent ext4_mb_mark_context to support allocation under journal
^^^ extend
> Previously, ext4_mb_mark_context is only called under fast commit
> replay path, so there is no valid handle when we update block bitmap
> and group descriptor. This patch try to extent ext4_mb_mark_context
^^^^ extend
> to be used by code under journal. There are several improves:
^^^ improvement:
> 1. add "handle_t *handle" to struct ext4_mark_context to accept handle
> to journal block bitmap and group descriptor update inside
> ext4_mb_mark_context (the added journal caode is based on journal
^^^ code
(we can remove the next "journal code in")
> code in ext4_mb_mark_diskspace_used where ext4_mb_mark_context
> is going to be used.)
> 2. add EXT4_MB_BITMAP_MARKED_CHECK flag to control check if bits in block
> bitmap are already marked as allocation code under journal asserts that
> all bits to be changed are not marked before.
> 3. add "ext4_grpblk_t changed" to struct ext4_mark_context to notify number
> of bits in block bitmap has changed.
>
> Signed-off-by: Kemeng Shi <shikemeng@...weicloud.com>
> Reviewed-by: Ojaswin Mujoo <ojaswin@...ux.ibm.com>
The patch functionally looks good to me. Please feel free to add -
Reviewed-by: Ritesh Harjani (IBM) <ritesh.list@...il.com>
-ritesh
Powered by blists - more mailing lists