From: Max Reitz <mreitz@redhat.com>
To: Greg Kurz <groug@kaod.org>, Miklos Szeredi <miklos@szeredi.hu>
Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
virtio-fs@redhat.com, Vivek Goyal <vgoyal@redhat.com>
Subject: Re: [PATCH v2 0/7] fuse: Some fixes for submounts
Date: Tue, 8 Jun 2021 17:52:13 +0200 [thread overview]
Message-ID: <c3d49438-6ee1-32b1-1be4-41be78cec2ce@redhat.com> (raw)
In-Reply-To: <20210604161156.408496-1-groug@kaod.org>
On 04.06.21 18:11, Greg Kurz wrote:
> v2:
>
> - add an extra fix (patch 2) : mount is now added to the list before
> unlocking sb->s_umount
> - set SB_BORN just before unlocking sb->s_umount, just like it would
> happen when using fc_mount() (Max)
> - don't allocate a FUSE context for the submounts (Max)
> - introduce a dedicated context ops for submounts
> - add a extra cleanup : simplify the code even more with fc_mount()
>
> v1:
>
> While working on adding syncfs() support in FUSE, I've hit some severe
> bugs with submounts (a crash and an infinite loop). The fix for the
> crash is straightforward (patch 1), but the fix for the infinite loop
> is more invasive : as suggested by Miklos, a simple bug fix is applied
> first (patch 2) and the final fix (patch 3) is applied on top.
Thanks a lot for these patches. I’ve had a style nit on patch 6, but
other than that, looks nice to me.
Max
next prev parent reply other threads:[~2021-06-08 15:52 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-04 16:11 [PATCH v2 0/7] fuse: Some fixes for submounts Greg Kurz
2021-06-04 16:11 ` [PATCH v2 1/7] fuse: Fix crash in fuse_dentry_automount() error path Greg Kurz
2021-06-04 16:11 ` [PATCH v2 2/7] fuse: Fix crash if superblock of submount gets killed early Greg Kurz
2021-06-08 15:08 ` Max Reitz
2021-06-04 16:11 ` [PATCH v2 3/7] fuse: Fix infinite loop in sget_fc() Greg Kurz
2021-06-08 15:12 ` Max Reitz
2021-06-04 16:11 ` [PATCH v2 4/7] fuse: Add dedicated filesystem context ops for submounts Greg Kurz
2021-06-08 15:25 ` Max Reitz
2021-06-04 16:11 ` [PATCH v2 5/7] fuse: Call vfs_get_tree() " Greg Kurz
2021-06-08 15:40 ` Max Reitz
2021-06-04 16:11 ` [PATCH v2 6/7] fuse: Switch to fc_mount() " Greg Kurz
2021-06-08 15:51 ` Max Reitz
2021-06-09 7:45 ` Greg Kurz
2021-06-11 14:44 ` Miklos Szeredi
2021-06-04 16:11 ` [PATCH v2 7/7] fuse: Make fuse_fill_super_submount() static Greg Kurz
2021-06-08 15:52 ` Max Reitz [this message]
2021-06-09 7:46 ` [PATCH v2 0/7] fuse: Some fixes for submounts Greg Kurz
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