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From: Jan Kara <jack@suse.cz>
To: "Theodore Y. Ts'o" <tytso@mit.edu>
Cc: Jan Kara <jack@suse.cz>, linux-ext4@vger.kernel.org
Subject: Re: [PATCH 07/12] ext4: Defer saving error info from atomic context
Date: Wed, 16 Dec 2020 10:56:06 +0100	[thread overview]
Message-ID: <20201216095606.GA21258@quack2.suse.cz> (raw)
In-Reply-To: <X9mdzfqfC1HJC4ts@mit.edu>

On Wed 16-12-20 00:40:29, Theodore Y. Ts'o wrote:
> Applied with the following additional change folded in:

Cool. Thanks for fixing this!

								Honza


> 
> diff --git a/fs/ext4/super.c b/fs/ext4/super.c
> index 0c18f50f2207..9d0ce11bd48e 100644
> --- a/fs/ext4/super.c
> +++ b/fs/ext4/super.c
> @@ -5475,17 +5475,21 @@ static int ext4_commit_super(struct super_block *sb, int sync)
>  	spin_lock(&sbi->s_error_lock);
>  	if (sbi->s_add_error_count > 0) {
>  		es->s_state |= cpu_to_le16(EXT4_ERROR_FS);
> -		__ext4_update_tstamp(&es->s_first_error_time,
> -				     &es->s_first_error_time_hi,
> -				     sbi->s_first_error_time);
> -		strncpy(es->s_first_error_func, sbi->s_first_error_func,
> -			sizeof(es->s_first_error_func));
> -		es->s_first_error_line = cpu_to_le32(sbi->s_first_error_line);
> -		es->s_first_error_ino = cpu_to_le32(sbi->s_first_error_ino);
> -		es->s_first_error_block = cpu_to_le64(sbi->s_first_error_block);
> -		es->s_first_error_errcode =
> +		if (!es->s_first_error_time && !es->s_first_error_time_hi) {
> +			__ext4_update_tstamp(&es->s_first_error_time,
> +					     &es->s_first_error_time_hi,
> +					     sbi->s_first_error_time);
> +			strncpy(es->s_first_error_func, sbi->s_first_error_func,
> +				sizeof(es->s_first_error_func));
> +			es->s_first_error_line =
> +				cpu_to_le32(sbi->s_first_error_line);
> +			es->s_first_error_ino =
> +				cpu_to_le32(sbi->s_first_error_ino);
> +			es->s_first_error_block =
> +				cpu_to_le64(sbi->s_first_error_block);
> +			es->s_first_error_errcode =
>  				ext4_errno_to_code(sbi->s_first_error_code);
> -
> +		}
>  		__ext4_update_tstamp(&es->s_last_error_time,
>  				     &es->s_last_error_time_hi,
>  				     sbi->s_last_error_time);
-- 
Jan Kara <jack@suse.com>
SUSE Labs, CR

  reply	other threads:[~2020-12-16  9:56 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-27 11:33 [PATCH 00/12] ext4: Various fixes of ext4 handling of fs errors Jan Kara
2020-11-27 11:33 ` [PATCH 01/12] ext4: Don't remount read-only with errors=continue on reboot Jan Kara
2020-11-29 21:33   ` Andreas Dilger
2020-12-16  4:59     ` Theodore Y. Ts'o
2020-11-27 11:33 ` [PATCH 02/12] ext4: Remove redundant sb checksum recomputation Jan Kara
2020-11-29 22:11   ` Andreas Dilger
2020-11-30 10:59     ` Jan Kara
2020-12-16  5:01   ` Theodore Y. Ts'o
2020-11-27 11:33 ` [PATCH 03/12] ext4: Standardize error message in ext4_protect_reserved_inode() Jan Kara
2020-11-29 21:39   ` Andreas Dilger
2020-12-16  5:04   ` Theodore Y. Ts'o
2020-11-27 11:33 ` [PATCH 04/12] ext4: Make ext4_abort() use __ext4_error() Jan Kara
2020-11-29 22:12   ` Andreas Dilger
2020-12-16  5:07   ` Theodore Y. Ts'o
2020-11-27 11:33 ` [PATCH 05/12] ext4: Move functions in super.c Jan Kara
2020-11-29 22:13   ` Andreas Dilger
2020-12-16  5:09   ` Theodore Y. Ts'o
2020-11-27 11:33 ` [PATCH 06/12] ext4: Simplify ext4 error translation Jan Kara
2020-11-29 21:57   ` Andreas Dilger
2020-12-16  5:11   ` Theodore Y. Ts'o
2020-11-27 11:34 ` [PATCH 07/12] ext4: Defer saving error info from atomic context Jan Kara
2020-12-16  5:31   ` Theodore Y. Ts'o
2020-12-16  5:40     ` Theodore Y. Ts'o
2020-12-16  9:56       ` Jan Kara [this message]
2020-11-27 11:34 ` [PATCH 08/12] ext4: Combine ext4_handle_error() and save_error_info() Jan Kara
2020-12-14 19:23   ` harshad shirwadkar
2020-12-16 10:11     ` Jan Kara
2020-12-16 10:24       ` Jan Kara
2020-11-27 11:34 ` [PATCH 09/12] ext4: Drop sync argument of ext4_commit_super() Jan Kara
2020-12-14 19:25   ` harshad shirwadkar
2020-11-27 11:34 ` [PATCH 10/12] ext4: Protect superblock modifications with a buffer lock Jan Kara
2020-11-27 11:34 ` [PATCH 11/12] ext4: Save error info to sb through journal if available Jan Kara
2020-11-27 11:34 ` [PATCH 12/12] ext4: Use sbi instead of EXT4_SB(sb) in ext4_update_super() Jan Kara
2020-12-14 19:07 ` [PATCH 00/12] ext4: Various fixes of ext4 handling of fs errors harshad shirwadkar

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