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From: Jan Kara <jack@suse.cz>
To: Amir Goldstein <amir73il@gmail.com>
Cc: Jan Kara <jack@suse.cz>,
	Matthew Bobrowski <mbobrowski@mbobrowski.org>,
	linux-fsdevel@vger.kernel.org, linux-api@vger.kernel.org
Subject: Re: [PATCH v5 08/17] fanotify: copy event fid info to user
Date: Wed, 6 Feb 2019 18:41:10 +0100	[thread overview]
Message-ID: <20190206174110.GA30726@quack2.suse.cz> (raw)
In-Reply-To: <20190110170444.30616-9-amir73il@gmail.com>

On Thu 10-01-19 19:04:35, Amir Goldstein wrote:
> If group requested FAN_REPORT_FID and event has file identifier,
> copy that information to user reading the event after event metadata.
> 
> fid information is formatted as struct fanotify_event_info_fid
> that includes a generic header struct fanotify_event_info_header,
> so that other info types could be defined in the future using the
> same header.
> 
> metadata->event_len includes the length of the fid information.
> 
> The fid information includes the filesystem's fsid (see statfs(2))
> followed by an NFS file handle of the file that could be passed as
> an argument to open_by_handle_at(2).
> 
> Cc: <linux-api@vger.kernel.org>
> Signed-off-by: Amir Goldstein <amir73il@gmail.com>

> +#define FANOTIFY_EVENT_ALIGN (sizeof(struct fanotify_event_info_header))

Here I did a small change of setting FANOTIFY_EVENT_ALIGN to plain 4. It
just seems more logical to me to have the alignment specified as an
absolute number rather than a size of some structure...

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

  reply	other threads:[~2019-02-06 17:41 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-01-10 17:04 [PATCH v5 00/17] fanotify: add support for more event types Amir Goldstein
2019-01-10 17:04 ` [PATCH v5 01/17] fsnotify: annotate directory entry modification events Amir Goldstein
2019-02-06 14:14   ` Jan Kara
2019-01-10 17:04 ` [PATCH v5 02/17] fsnotify: remove dirent events from FS_EVENTS_POSS_ON_CHILD mask Amir Goldstein
2019-01-10 17:04 ` [PATCH v5 03/17] fsnotify: send all event types to super block marks Amir Goldstein
2019-01-10 17:04 ` [PATCH v5 04/17] fsnotify: move mask out of struct fsnotify_event Amir Goldstein
2019-01-10 17:04 ` [PATCH v5 05/17] fanotify: rename struct fanotify_{,perm_}event_info Amir Goldstein
2019-01-10 17:04 ` [PATCH v5 06/17] fanotify: open code fill_event_metadata() Amir Goldstein
2019-01-10 17:04 ` [PATCH v5 07/17] fanotify: encode file identifier for FAN_REPORT_FID Amir Goldstein
2019-01-11  8:10   ` kbuild test robot
2019-01-11  8:37     ` Amir Goldstein
2019-01-18 18:39       ` Paul Burton
2019-01-10 17:04 ` [PATCH v5 08/17] fanotify: copy event fid info to user Amir Goldstein
2019-02-06 17:41   ` Jan Kara [this message]
2019-01-10 17:04 ` [PATCH v5 09/17] fanotify: enable FAN_REPORT_FID init flag Amir Goldstein
2019-01-10 17:04 ` [PATCH v5 10/17] fanotify: cache fsid in fsnotify_mark_connector Amir Goldstein
2019-01-11  3:13   ` kbuild test robot
2019-01-14  7:30   ` Dan Carpenter
2019-01-14  7:30     ` Dan Carpenter
2019-01-14  9:17     ` Amir Goldstein
2019-02-07 14:48   ` Jan Kara
2019-02-07 16:31     ` Amir Goldstein
2019-02-08 10:15       ` Jan Kara
2019-01-10 17:04 ` [PATCH v5 11/17] vfs: add vfs_get_fsid() helper Amir Goldstein
2019-01-10 17:04 ` [PATCH v5 12/17] fanotify: use vfs_get_fsid() helper instead of vfs_statfs() Amir Goldstein
2019-01-10 17:04 ` [PATCH v5 13/17] fsnotify: report FS_ISDIR flag with MOVE_SELF and DELETE_SELF events Amir Goldstein
2019-02-07 14:57   ` Jan Kara
2019-01-10 17:04 ` [PATCH v5 14/17] fanotify: check FS_ISDIR flag instead of d_is_dir() Amir Goldstein
2019-01-10 17:04 ` [PATCH v5 15/17] fanotify: support events with data type FSNOTIFY_EVENT_INODE Amir Goldstein
2019-02-07 15:18   ` Jan Kara
2019-02-07 16:10     ` Amir Goldstein
2019-01-10 17:04 ` [PATCH v5 16/17] fanotify: add support for create/attrib/move/delete events Amir Goldstein
2019-01-10 17:04 ` [PATCH v5 17/17] fanotify: report FAN_ONDIR to listener with FAN_REPORT_FID Amir Goldstein
2019-02-07 16:26 ` [PATCH v5 00/17] fanotify: add support for more event types Jan Kara

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