From: "Theodore Ts'o" <tytso@mit.edu>
To: Gabriel Krisman Bertazi <krisman@collabora.com>
Cc: jack@suse.com, amir73il@gmail.com, djwong@kernel.org,
dhowells@redhat.com, khazhy@google.com,
linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org,
linux-api@vger.kernel.org, repnop@google.com,
kernel@collabora.com
Subject: Re: [PATCH v7 26/28] ext4: Send notifications on error
Date: Thu, 14 Oct 2021 17:59:09 -0400 [thread overview]
Message-ID: <YWioLfIxwcnemDwj@mit.edu> (raw)
In-Reply-To: <20211014213646.1139469-27-krisman@collabora.com>
On Thu, Oct 14, 2021 at 06:36:44PM -0300, Gabriel Krisman Bertazi wrote:
> Send a FS_ERROR message via fsnotify to a userspace monitoring tool
> whenever a ext4 error condition is triggered. This follows the existing
> error conditions in ext4, so it is hooked to the ext4_error* functions.
>
> It also follows the current dmesg reporting in the format. The
> filesystem message is composed mostly by the string that would be
> otherwise printed in dmesg.
>
> A new ext4 specific record format is exposed in the uapi, such that a
> monitoring tool knows what to expect when listening errors of an ext4
> filesystem.
>
> Signed-off-by: Gabriel Krisman Bertazi <krisman@collabora.com>
> Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Theodore Ts'o <tytso@mit.edu>
next prev parent reply other threads:[~2021-10-14 21:59 UTC|newest]
Thread overview: 67+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-14 21:36 [PATCH v7 00/28] file system-wide error monitoring Gabriel Krisman Bertazi
2021-10-14 21:36 ` [PATCH v7 01/28] fsnotify: pass data_type to fsnotify_name() Gabriel Krisman Bertazi
2021-10-15 9:18 ` Jan Kara
2021-10-14 21:36 ` [PATCH v7 02/28] fsnotify: pass dentry instead of inode data Gabriel Krisman Bertazi
2021-10-15 13:39 ` Jan Kara
2021-10-18 9:11 ` Jan Kara
2021-10-14 21:36 ` [PATCH v7 03/28] fsnotify: clarify contract for create event hooks Gabriel Krisman Bertazi
2021-10-15 9:21 ` Jan Kara
2021-10-14 21:36 ` [PATCH v7 04/28] fsnotify: Don't insert unmergeable events in hashtable Gabriel Krisman Bertazi
2021-10-14 21:36 ` [PATCH v7 05/28] fanotify: Fold event size calculation to its own function Gabriel Krisman Bertazi
2021-10-14 21:36 ` [PATCH v7 06/28] fanotify: Split fsid check from other fid mode checks Gabriel Krisman Bertazi
2021-10-14 21:36 ` [PATCH v7 07/28] inotify: Don't force FS_IN_IGNORED Gabriel Krisman Bertazi
2021-10-14 21:36 ` [PATCH v7 08/28] fsnotify: Add helper to detect overflow_event Gabriel Krisman Bertazi
2021-10-14 21:36 ` [PATCH v7 09/28] fsnotify: Add wrapper around fsnotify_add_event Gabriel Krisman Bertazi
2021-10-14 21:36 ` [PATCH v7 10/28] fsnotify: Retrieve super block from the data field Gabriel Krisman Bertazi
2021-10-15 5:39 ` Amir Goldstein
2021-10-15 9:26 ` Jan Kara
2021-10-14 21:36 ` [PATCH v7 11/28] fsnotify: Pass group argument to free_event Gabriel Krisman Bertazi
2021-10-15 5:40 ` Amir Goldstein
2021-10-15 9:26 ` Jan Kara
2021-10-14 21:36 ` [PATCH v7 12/28] fanotify: Support null inode event in fanotify_dfid_inode Gabriel Krisman Bertazi
2021-10-15 5:49 ` Amir Goldstein
2021-10-15 9:30 ` Jan Kara
2021-10-14 21:36 ` [PATCH v7 13/28] fanotify: Allow file handle encoding for unhashed events Gabriel Krisman Bertazi
2021-10-14 21:36 ` [PATCH v7 14/28] fanotify: Encode empty file handle when no inode is provided Gabriel Krisman Bertazi
2021-10-15 6:02 ` Amir Goldstein
2021-10-15 9:32 ` Jan Kara
2021-10-14 21:36 ` [PATCH v7 15/28] fanotify: Require fid_mode for any non-fd event Gabriel Krisman Bertazi
2021-10-14 21:36 ` [PATCH v7 16/28] fsnotify: Support FS_ERROR event type Gabriel Krisman Bertazi
2021-10-14 21:36 ` [PATCH v7 17/28] fanotify: Reserve UAPI bits for FAN_FS_ERROR Gabriel Krisman Bertazi
2021-10-15 9:37 ` Jan Kara
2021-10-14 21:36 ` [PATCH v7 18/28] fanotify: Pre-allocate pool of error events Gabriel Krisman Bertazi
2021-10-15 6:19 ` Amir Goldstein
2021-10-15 7:33 ` Amir Goldstein
2021-10-15 9:46 ` Jan Kara
2021-10-14 21:36 ` [PATCH v7 19/28] fanotify: Limit number of marks with FAN_FS_ERROR per group Gabriel Krisman Bertazi
2021-10-15 6:15 ` Amir Goldstein
2021-10-15 16:53 ` Gabriel Krisman Bertazi
2021-10-15 17:49 ` Amir Goldstein
2021-10-14 21:36 ` [PATCH v7 20/28] fanotify: Support enqueueing of error events Gabriel Krisman Bertazi
2021-10-15 7:04 ` Amir Goldstein
2021-10-15 16:50 ` Gabriel Krisman Bertazi
2021-10-15 12:34 ` Jan Kara
2021-10-14 21:36 ` [PATCH v7 21/28] fanotify: Support merging " Gabriel Krisman Bertazi
2021-10-15 7:09 ` Amir Goldstein
2021-10-15 16:54 ` Gabriel Krisman Bertazi
2021-10-15 17:52 ` Amir Goldstein
2021-10-18 13:55 ` Gabriel Krisman Bertazi
2021-10-15 12:43 ` Jan Kara
2021-10-14 21:36 ` [PATCH v7 22/28] fanotify: Report FID entry even for zero-length file_handle Gabriel Krisman Bertazi
2021-10-15 8:10 ` Amir Goldstein
2021-10-15 13:13 ` Jan Kara
2021-10-14 21:36 ` [PATCH v7 23/28] fanotify: Report fid info for file related file system errors Gabriel Krisman Bertazi
2021-10-15 7:56 ` Amir Goldstein
2021-10-15 13:38 ` Jan Kara
2021-10-14 21:36 ` [PATCH v7 24/28] fanotify: Emit generic error info for error event Gabriel Krisman Bertazi
2021-10-15 8:13 ` Amir Goldstein
2021-10-15 12:47 ` Jan Kara
2021-10-14 21:36 ` [PATCH v7 25/28] fanotify: Allow users to request FAN_FS_ERROR events Gabriel Krisman Bertazi
2021-10-15 8:27 ` Amir Goldstein
2021-10-15 12:49 ` Jan Kara
2021-10-14 21:36 ` [PATCH v7 26/28] ext4: Send notifications on error Gabriel Krisman Bertazi
2021-10-14 21:59 ` Theodore Ts'o [this message]
2021-10-14 21:36 ` [PATCH v7 27/28] samples: Add fs error monitoring example Gabriel Krisman Bertazi
2021-10-14 21:36 ` [PATCH v7 28/28] docs: Document the FAN_FS_ERROR event Gabriel Krisman Bertazi
2021-10-15 8:38 ` [PATCH v7 00/28] file system-wide error monitoring Amir Goldstein
2021-10-15 9:16 ` Jan Kara
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