Re: [PATCH v4 00/15] fanotify: add support for more event types

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On Fri, Jan 4, 2019 at 1:00 PM Jan Kara <jack@xxxxxxx> wrote:
>
> Hi,
>
> On Sun 02-12-18 13:38:11, Amir Goldstein wrote:
> > This is the 4th revision of patch series to add support for filesystem
> > change monitoring to fanotify.
> > It incorporates the changes you requested in review of v3 FAN_REPORT_FID
> > patches.
> > The complete work is available on fanotify_dirent branch [1] on my tree.
> >
> > The combined functionality of FAN_MARK_FILESYSTEM, FAN_REPORT_FID and
> > dirent modification events is demonstrated with a prototype of global
> > filesystem monitor based on inotify-tools [2].
> >
> > In your review of v3 patched you only got as far as patch v3 9/13.
> > Because this patch marks the end of the FAN_REPORT_FID sub series,
> > I found it best to re-post the entire series with the changes you
> > requested thus far. For convenience of review, I pushed branches
> > fanotify_fid-v3 [3] and fanotify_fid-v4 [4] with the work you
> > reviewed so far and its re-worked version.
> >
> > One thing that we discussed and I did NOT do is move struct file_handle
> > to uapi headers. This got complicated due to existing definitions in
> > glibc header files and I realized we could do without it.
> >
> > I have added the vfs_get_fsid() helper as you requested, but since it
> > wasn't required by the patch set, I added it as two new cleanup patches
> > at the end of the FAN_REPORT_FID series, so you will be able to stage
> > the feature with or without the VFS change.
>
> So overall the series looks very good. I've had only some smaller comments
> / disagreements. So once we settle those please resend the series and I'll
> pick it up to my tree.
>

Jan,

I addressed all your comments, rebased on v5.0-rc1 and pushed to:
https://github.com/amir73il/linux/commits/fanotify_dirent

When I get an ACK from you on the FAN_ONDIR issue, I will post the v5 series.
The gist is that FAN_ONDIR an input flag is required to produce mkdir/rmdir
events (as you suggested) and FAN_ONDIR is reported as output flag
for FAN_REPORT_FID group for all events that occur on directories
and never reported to non FAN_REPORT_FID group.

Thanks,
Amir.



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