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From: Jan Kara <jack@suse.cz>
To: Gabriel Krisman Bertazi <krisman@collabora.com>
Cc: jack@suse.com, amir73il@gmail.com, djwong@kernel.org,
	tytso@mit.edu, david@fromorbit.com, dhowells@redhat.com,
	khazhy@google.com, linux-fsdevel@vger.kernel.org,
	linux-ext4@vger.kernel.org, linux-api@vger.kernel.org,
	kernel@collabora.com
Subject: Re: [PATCH v5 15/23] fanotify: Require fid_mode for any non-fd event
Date: Thu, 5 Aug 2021 12:29:29 +0200	[thread overview]
Message-ID: <20210805102929.GH14483@quack2.suse.cz> (raw)
In-Reply-To: <20210804160612.3575505-16-krisman@collabora.com>

On Wed 04-08-21 12:06:04, Gabriel Krisman Bertazi wrote:
> Like inode events, FAN_FS_ERROR will require fid mode.  Therefore,
> convert the verification during fanotify_mark(2) to require fid for any
> non-fd event.  This means fid_mode will not only be required for inode
> events, but for any event that doesn't provide a descriptor.
> 
> Suggested-by: Amir Goldstein <amir73il@gmail.com>
> Signed-off-by: Gabriel Krisman Bertazi <krisman@collabora.com>

Looks good. One style nit below, otherwise feel free to add:

Reviewed-by: Jan Kara <jack@suse.cz>

 
>  	/*
> -	 * Events with data type inode do not carry enough information to report
> -	 * event->fd, so we do not allow setting a mask for inode events unless
> -	 * group supports reporting fid.
> -	 * inode events are not supported on a mount mark, because they do not
> -	 * carry enough information (i.e. path) to be filtered by mount point.
> -	 */
> +	* Events that do not carry enough information to report
> +	* event->fd require a group that supports reporting fid.  Those
> +	* events are not supported on a mount mark, because they do not
> +	* carry enough information (i.e. path) to be filtered by mount
> +	* point.
> +	*/
        ^ I think these should be one column more to the right to align
with the opening /*.

								Honza

-- 
Jan Kara <jack@suse.com>
SUSE Labs, CR

  reply	other threads:[~2021-08-05 10:29 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-04 16:05 [PATCH v5 00/23] File system wide monitoring Gabriel Krisman Bertazi
2021-08-04 16:05 ` [PATCH v5 01/23] fsnotify: Don't insert unmergeable events in hashtable Gabriel Krisman Bertazi
2021-08-04 16:05 ` [PATCH v5 02/23] fanotify: Fold event size calculation to its own function Gabriel Krisman Bertazi
2021-08-04 16:05 ` [PATCH v5 03/23] fanotify: Split fsid check from other fid mode checks Gabriel Krisman Bertazi
2021-08-04 16:05 ` [PATCH v5 04/23] fsnotify: Reserve mark bits for backends Gabriel Krisman Bertazi
2021-08-05  8:44   ` kernel test robot
2021-08-05  9:14   ` Jan Kara
2021-08-04 16:05 ` [PATCH v5 05/23] fanotify: Split superblock marks out to a new cache Gabriel Krisman Bertazi
2021-08-05  9:24   ` Jan Kara
2021-08-04 16:05 ` [PATCH v5 06/23] inotify: Don't force FS_IN_IGNORED Gabriel Krisman Bertazi
2021-08-04 16:05 ` [PATCH v5 07/23] fsnotify: Add helper to detect overflow_event Gabriel Krisman Bertazi
2021-08-04 16:05 ` [PATCH v5 08/23] fsnotify: Add wrapper around fsnotify_add_event Gabriel Krisman Bertazi
2021-08-05  9:28   ` Jan Kara
2021-08-04 16:05 ` [PATCH v5 09/23] fsnotify: Support passing argument to insert callback on add_event Gabriel Krisman Bertazi
2021-08-04 16:05 ` [PATCH v5 10/23] fsnotify: Allow events reported with an empty inode Gabriel Krisman Bertazi
2021-08-05 10:24   ` Jan Kara
2021-08-05 14:14     ` Amir Goldstein
2021-08-05 15:55       ` Jan Kara
2021-08-04 16:06 ` [PATCH v5 11/23] fsnotify: Support FS_ERROR event type Gabriel Krisman Bertazi
2021-08-04 16:06 ` [PATCH v5 12/23] fanotify: Expose helper to estimate file handle encoding length Gabriel Krisman Bertazi
2021-08-04 16:06 ` [PATCH v5 13/23] fanotify: Allow file handle encoding for unhashed events Gabriel Krisman Bertazi
2021-08-05  9:39   ` Jan Kara
2021-08-04 16:06 ` [PATCH v5 14/23] fanotify: Encode invalid file handler when no inode is provided Gabriel Krisman Bertazi
2021-08-05  9:56   ` Jan Kara
2021-08-11 21:12     ` Gabriel Krisman Bertazi
2021-08-12 14:20       ` Jan Kara
2021-08-12 15:14         ` Gabriel Krisman Bertazi
2021-08-12 15:50           ` Amir Goldstein
2021-08-12 15:17         ` Amir Goldstein
2021-08-13 12:09           ` Jan Kara
2021-08-13 17:25             ` Amir Goldstein
2021-08-04 16:06 ` [PATCH v5 15/23] fanotify: Require fid_mode for any non-fd event Gabriel Krisman Bertazi
2021-08-05 10:29   ` Jan Kara [this message]
2021-08-04 16:06 ` [PATCH v5 16/23] fanotify: Reserve UAPI bits for FAN_FS_ERROR Gabriel Krisman Bertazi
2021-08-05 10:33   ` Jan Kara
2021-08-04 16:06 ` [PATCH v5 17/23] fanotify: Preallocate per superblock mark error event Gabriel Krisman Bertazi
2021-08-04 16:06 ` [PATCH v5 18/23] fanotify: Handle FAN_FS_ERROR events Gabriel Krisman Bertazi
2021-08-05 12:15   ` Jan Kara
2021-08-05 13:50     ` Amir Goldstein
2021-08-10  1:35     ` Gabriel Krisman Bertazi
2021-08-04 16:06 ` [PATCH v5 19/23] fanotify: Report fid info for file related file system errors Gabriel Krisman Bertazi
2021-08-05 11:28   ` Jan Kara
2021-08-05 12:06   ` Jan Kara
2021-08-04 16:06 ` [PATCH v5 20/23] fanotify: Emit generic error info type for error event Gabriel Krisman Bertazi
2021-08-04 16:06 ` [PATCH v5 21/23] ext4: Send notifications on error Gabriel Krisman Bertazi
2021-08-04 16:06 ` [PATCH v5 22/23] samples: Add fs error monitoring example Gabriel Krisman Bertazi
2021-08-04 16:06 ` [PATCH v5 23/23] docs: Document the FAN_FS_ERROR event Gabriel Krisman Bertazi

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