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Date: Thu, 14 Oct 2021 17:59:09 -0400 From: "Theodore Ts'o" <tytso@....edu> To: Gabriel Krisman Bertazi <krisman@...labora.com> Cc: jack@...e.com, amir73il@...il.com, djwong@...nel.org, dhowells@...hat.com, khazhy@...gle.com, linux-fsdevel@...r.kernel.org, linux-ext4@...r.kernel.org, linux-api@...r.kernel.org, repnop@...gle.com, kernel@...labora.com Subject: Re: [PATCH v7 26/28] ext4: Send notifications on error 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@...labora.com> > Reviewed-by: Amir Goldstein <amir73il@...il.com> Reviewed-by: Theodore Ts'o <tytso@....edu>
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