From: "Darrick J. Wong" <darrick.wong@oracle.com>
To: Christoph Hellwig <hch@infradead.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>,
matthew.garrett@nebula.com, yuchao0@huawei.com, tytso@mit.edu,
shaggy@kernel.org, ard.biesheuvel@linaro.org,
josef@toxicpanda.com, clm@fb.com, adilger.kernel@dilger.ca,
jk@ozlabs.org, jack@suse.com, dsterba@suse.com,
jaegeuk@kernel.org, cluster-devel@redhat.com,
jfs-discussion@lists.sourceforge.net, linux-efi@vger.kernel.org,
Jan Kara <jack@suse.cz>,
reiserfs-devel@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-f2fs-devel@lists.sourceforge.net,
linux-xfs@vger.kernel.org, linux-nilfs@vger.kernel.org,
linux-mtd@lists.infradead.org, ocfs2-devel@oss.oracle.com,
linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org,
linux-btrfs@vger.kernel.org
Subject: Re: [PATCH 2/5] vfs: create a generic checking function for FS_IOC_FSSETXATTR
Date: Wed, 26 Jun 2019 17:19:26 -0700 [thread overview]
Message-ID: <20190627001926.GL5171@magnolia> (raw)
In-Reply-To: <20190626154302.GA31445@infradead.org>
On Wed, Jun 26, 2019 at 08:43:02AM -0700, Christoph Hellwig wrote:
> On Wed, Jun 26, 2019 at 08:35:42AM -0700, Darrick J. Wong wrote:
> > > static inline void simple_fill_fsxattr(struct fsxattr *fa, unsigned xflags)
> > > {
> > > memset(fa, 0, sizeof(*fa));
> > > fa->fsx_xflags = xflags;
> > > }
> > >
> > > and let the compiler optimize the crap out?
> >
> > The v2 series used to do that, but Christoph complained that having a
> > helper for a two-line memset and initialization was silly[1] so now we
> > have this version.
> >
> > I don't mind reinstating it as a static inline helper, but I'd like some
> > input from any of the btrfs developers (or you, Al) about which form is
> > preferred.
>
> I complained having that helper in btrfs. I think Al wants a generic
> one, which at least makes a little more sense.
Ok.
> That being said I wonder if we should lift these attr ioctls to
> file op methods and deal with all that crap in VFS code instead of
> having all those duplicated ioctl parsers.
That sounds like an excellent next patchset. :)
--D
WARNING: multiple messages have this Message-ID (diff)
From: Darrick J. Wong <darrick.wong@oracle.com>
To: Christoph Hellwig <hch@infradead.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>,
matthew.garrett@nebula.com, yuchao0@huawei.com, tytso@mit.edu,
shaggy@kernel.org, ard.biesheuvel@linaro.org,
josef@toxicpanda.com, clm@fb.com, adilger.kernel@dilger.ca,
jk@ozlabs.org, jack@suse.com, dsterba@suse.com,
jaegeuk@kernel.org, cluster-devel@redhat.com,
jfs-discussion@lists.sourceforge.net, linux-efi@vger.kernel.org,
Jan Kara <jack@suse.cz>,
reiserfs-devel@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-f2fs-devel@lists.sourceforge.net,
linux-xfs@vger.kernel.org, linux-nilfs@vger.kernel.org,
linux-mtd@lists.infradead.org, ocfs2-devel@oss.oracle.com,
linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org,
linux-btrfs@vger.kernel.org
Subject: [Ocfs2-devel] [PATCH 2/5] vfs: create a generic checking function for FS_IOC_FSSETXATTR
Date: Wed, 26 Jun 2019 17:19:26 -0700 [thread overview]
Message-ID: <20190627001926.GL5171@magnolia> (raw)
In-Reply-To: <20190626154302.GA31445@infradead.org>
On Wed, Jun 26, 2019 at 08:43:02AM -0700, Christoph Hellwig wrote:
> On Wed, Jun 26, 2019 at 08:35:42AM -0700, Darrick J. Wong wrote:
> > > static inline void simple_fill_fsxattr(struct fsxattr *fa, unsigned xflags)
> > > {
> > > memset(fa, 0, sizeof(*fa));
> > > fa->fsx_xflags = xflags;
> > > }
> > >
> > > and let the compiler optimize the crap out?
> >
> > The v2 series used to do that, but Christoph complained that having a
> > helper for a two-line memset and initialization was silly[1] so now we
> > have this version.
> >
> > I don't mind reinstating it as a static inline helper, but I'd like some
> > input from any of the btrfs developers (or you, Al) about which form is
> > preferred.
>
> I complained having that helper in btrfs. I think Al wants a generic
> one, which at least makes a little more sense.
Ok.
> That being said I wonder if we should lift these attr ioctls to
> file op methods and deal with all that crap in VFS code instead of
> having all those duplicated ioctl parsers.
That sounds like an excellent next patchset. :)
--D
WARNING: multiple messages have this Message-ID (diff)
From: "Darrick J. Wong" <darrick.wong@oracle.com>
To: Christoph Hellwig <hch@infradead.org>
Cc: shaggy@kernel.org, jfs-discussion@lists.sourceforge.net,
linux-efi@vger.kernel.org, Jan Kara <jack@suse.cz>,
linux-btrfs@vger.kernel.org, clm@fb.com,
adilger.kernel@dilger.ca, matthew.garrett@nebula.com,
linux-nilfs@vger.kernel.org, cluster-devel@redhat.com,
linux-ext4@vger.kernel.org, josef@toxicpanda.com,
reiserfs-devel@vger.kernel.org, Al Viro <viro@zeniv.linux.org.uk>,
dsterba@suse.com, jaegeuk@kernel.org, tytso@mit.edu,
ard.biesheuvel@linaro.org, linux-kernel@vger.kernel.org,
linux-f2fs-devel@lists.sourceforge.net,
linux-xfs@vger.kernel.org, jk@ozlabs.org, jack@suse.com,
linux-fsdevel@vger.kernel.org, linux-mtd@lists.infradead.org,
ocfs2-devel@oss.oracle.com
Subject: Re: [f2fs-dev] [PATCH 2/5] vfs: create a generic checking function for FS_IOC_FSSETXATTR
Date: Wed, 26 Jun 2019 17:19:26 -0700 [thread overview]
Message-ID: <20190627001926.GL5171@magnolia> (raw)
In-Reply-To: <20190626154302.GA31445@infradead.org>
On Wed, Jun 26, 2019 at 08:43:02AM -0700, Christoph Hellwig wrote:
> On Wed, Jun 26, 2019 at 08:35:42AM -0700, Darrick J. Wong wrote:
> > > static inline void simple_fill_fsxattr(struct fsxattr *fa, unsigned xflags)
> > > {
> > > memset(fa, 0, sizeof(*fa));
> > > fa->fsx_xflags = xflags;
> > > }
> > >
> > > and let the compiler optimize the crap out?
> >
> > The v2 series used to do that, but Christoph complained that having a
> > helper for a two-line memset and initialization was silly[1] so now we
> > have this version.
> >
> > I don't mind reinstating it as a static inline helper, but I'd like some
> > input from any of the btrfs developers (or you, Al) about which form is
> > preferred.
>
> I complained having that helper in btrfs. I think Al wants a generic
> one, which at least makes a little more sense.
Ok.
> That being said I wonder if we should lift these attr ioctls to
> file op methods and deal with all that crap in VFS code instead of
> having all those duplicated ioctl parsers.
That sounds like an excellent next patchset. :)
--D
_______________________________________________
Linux-f2fs-devel mailing list
Linux-f2fs-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
WARNING: multiple messages have this Message-ID (diff)
From: "Darrick J. Wong" <darrick.wong@oracle.com>
To: Christoph Hellwig <hch@infradead.org>
Cc: shaggy@kernel.org, jfs-discussion@lists.sourceforge.net,
linux-efi@vger.kernel.org, Jan Kara <jack@suse.cz>,
linux-btrfs@vger.kernel.org, yuchao0@huawei.com, clm@fb.com,
adilger.kernel@dilger.ca, matthew.garrett@nebula.com,
linux-nilfs@vger.kernel.org, cluster-devel@redhat.com,
linux-ext4@vger.kernel.org, josef@toxicpanda.com,
reiserfs-devel@vger.kernel.org, Al Viro <viro@zeniv.linux.org.uk>,
dsterba@suse.com, jaegeuk@kernel.org, tytso@mit.edu,
ard.biesheuvel@linaro.org, linux-kernel@vger.kernel.org,
linux-f2fs-devel@lists.sourceforge.net,
linux-xfs@vger.kernel.org, jk@ozlabs.org, jack@suse.com,
linux-fsdevel@vger.kernel.org, linux-mtd@lists.infradead.org,
ocfs2-devel@oss.oracle.com
Subject: Re: [PATCH 2/5] vfs: create a generic checking function for FS_IOC_FSSETXATTR
Date: Wed, 26 Jun 2019 17:19:26 -0700 [thread overview]
Message-ID: <20190627001926.GL5171@magnolia> (raw)
In-Reply-To: <20190626154302.GA31445@infradead.org>
On Wed, Jun 26, 2019 at 08:43:02AM -0700, Christoph Hellwig wrote:
> On Wed, Jun 26, 2019 at 08:35:42AM -0700, Darrick J. Wong wrote:
> > > static inline void simple_fill_fsxattr(struct fsxattr *fa, unsigned xflags)
> > > {
> > > memset(fa, 0, sizeof(*fa));
> > > fa->fsx_xflags = xflags;
> > > }
> > >
> > > and let the compiler optimize the crap out?
> >
> > The v2 series used to do that, but Christoph complained that having a
> > helper for a two-line memset and initialization was silly[1] so now we
> > have this version.
> >
> > I don't mind reinstating it as a static inline helper, but I'd like some
> > input from any of the btrfs developers (or you, Al) about which form is
> > preferred.
>
> I complained having that helper in btrfs. I think Al wants a generic
> one, which at least makes a little more sense.
Ok.
> That being said I wonder if we should lift these attr ioctls to
> file op methods and deal with all that crap in VFS code instead of
> having all those duplicated ioctl parsers.
That sounds like an excellent next patchset. :)
--D
______________________________________________________
Linux MTD discussion mailing list
http://lists.infradead.org/mailman/listinfo/linux-mtd/
WARNING: multiple messages have this Message-ID (diff)
From: Darrick J. Wong <darrick.wong@oracle.com>
To: cluster-devel.redhat.com
Subject: [Cluster-devel] [PATCH 2/5] vfs: create a generic checking function for FS_IOC_FSSETXATTR
Date: Wed, 26 Jun 2019 17:19:26 -0700 [thread overview]
Message-ID: <20190627001926.GL5171@magnolia> (raw)
In-Reply-To: <20190626154302.GA31445@infradead.org>
On Wed, Jun 26, 2019 at 08:43:02AM -0700, Christoph Hellwig wrote:
> On Wed, Jun 26, 2019 at 08:35:42AM -0700, Darrick J. Wong wrote:
> > > static inline void simple_fill_fsxattr(struct fsxattr *fa, unsigned xflags)
> > > {
> > > memset(fa, 0, sizeof(*fa));
> > > fa->fsx_xflags = xflags;
> > > }
> > >
> > > and let the compiler optimize the crap out?
> >
> > The v2 series used to do that, but Christoph complained that having a
> > helper for a two-line memset and initialization was silly[1] so now we
> > have this version.
> >
> > I don't mind reinstating it as a static inline helper, but I'd like some
> > input from any of the btrfs developers (or you, Al) about which form is
> > preferred.
>
> I complained having that helper in btrfs. I think Al wants a generic
> one, which at least makes a little more sense.
Ok.
> That being said I wonder if we should lift these attr ioctls to
> file op methods and deal with all that crap in VFS code instead of
> having all those duplicated ioctl parsers.
That sounds like an excellent next patchset. :)
--D
WARNING: multiple messages have this Message-ID (diff)
From: "Darrick J. Wong" <darrick.wong@oracle.com>
To: Christoph Hellwig <hch@infradead.org>
Cc: shaggy@kernel.org, jfs-discussion@lists.sourceforge.net,
linux-efi@vger.kernel.org, Jan Kara <jack@suse.cz>,
linux-btrfs@vger.kernel.org, yuchao0@huawei.com, clm@fb.com,
adilger.kernel@dilger.ca, matthew.garrett@nebula.com,
linux-nilfs@vger.kernel.org, cluster-devel@redhat.com,
linux-ext4@vger.kernel.org, josef@toxicpanda.com,
reiserfs-devel@vger.kernel.org, Al Viro <viro@zeniv.linux.org.uk>,
dsterba@suse.com, jaegeuk@kernel.org, tytso@mit.edu,
ard.biesheuvel@linaro.org, linux-kernel@vger.kernel.org,
linux-f2fs-devel@lists.sourceforge.net,
linux-xfs@vger.kernel.org, jk@ozlabs.org, jack@suse.com,
linux-fsdevel@vger.kernel.org, linux-mtd@lists.infradead.org,
ocfs2-devel@oss.oracle.com
Subject: Re: [PATCH 2/5] vfs: create a generic checking function for FS_IOC_FSSETXATTR
Date: Wed, 26 Jun 2019 17:19:26 -0700 [thread overview]
Message-ID: <20190627001926.GL5171@magnolia> (raw)
In-Reply-To: <20190626154302.GA31445@infradead.org>
On Wed, Jun 26, 2019 at 08:43:02AM -0700, Christoph Hellwig wrote:
> On Wed, Jun 26, 2019 at 08:35:42AM -0700, Darrick J. Wong wrote:
> > > static inline void simple_fill_fsxattr(struct fsxattr *fa, unsigned xflags)
> > > {
> > > memset(fa, 0, sizeof(*fa));
> > > fa->fsx_xflags = xflags;
> > > }
> > >
> > > and let the compiler optimize the crap out?
> >
> > The v2 series used to do that, but Christoph complained that having a
> > helper for a two-line memset and initialization was silly[1] so now we
> > have this version.
> >
> > I don't mind reinstating it as a static inline helper, but I'd like some
> > input from any of the btrfs developers (or you, Al) about which form is
> > preferred.
>
> I complained having that helper in btrfs. I think Al wants a generic
> one, which at least makes a little more sense.
Ok.
> That being said I wonder if we should lift these attr ioctls to
> file op methods and deal with all that crap in VFS code instead of
> having all those duplicated ioctl parsers.
That sounds like an excellent next patchset. :)
--D
next prev parent reply other threads:[~2019-06-27 0:22 UTC|newest]
Thread overview: 75+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-26 2:32 [PATCH v3 0/5] vfs: clean up SETFLAGS and FSSETXATTR option processing Darrick J. Wong
2019-06-26 2:32 ` Darrick J. Wong
2019-06-26 2:32 ` [Cluster-devel] " Darrick J. Wong
2019-06-26 2:32 ` Darrick J. Wong
2019-06-26 2:32 ` [f2fs-dev] " Darrick J. Wong
2019-06-26 2:32 ` [Ocfs2-devel] " Darrick J. Wong
2019-06-26 2:32 ` [PATCH 1/5] vfs: create a generic checking and prep function for FS_IOC_SETFLAGS Darrick J. Wong
2019-06-26 2:32 ` Darrick J. Wong
2019-06-26 2:32 ` [Cluster-devel] " Darrick J. Wong
2019-06-26 2:32 ` Darrick J. Wong
2019-06-26 2:32 ` [f2fs-dev] " Darrick J. Wong
2019-06-26 4:02 ` Al Viro
2019-06-26 4:02 ` [Cluster-devel] " Al Viro
2019-06-26 4:02 ` Al Viro
2019-06-26 4:02 ` [f2fs-dev] " Al Viro
2019-06-26 4:02 ` [Ocfs2-devel] " Al Viro
2019-06-26 15:30 ` Darrick J. Wong
2019-06-26 15:30 ` [Cluster-devel] " Darrick J. Wong
2019-06-26 15:30 ` Darrick J. Wong
2019-06-26 15:30 ` [f2fs-dev] " Darrick J. Wong
2019-06-26 15:30 ` [Ocfs2-devel] " Darrick J. Wong
2019-06-26 12:20 ` [Cluster-devel] " Bob Peterson
2019-06-26 12:20 ` Bob Peterson
2019-06-26 12:20 ` Bob Peterson
2019-06-26 12:20 ` [f2fs-dev] " Bob Peterson
2019-06-26 2:32 ` [PATCH 2/5] vfs: create a generic checking function for FS_IOC_FSSETXATTR Darrick J. Wong
2019-06-26 2:32 ` Darrick J. Wong
2019-06-26 2:32 ` [Cluster-devel] " Darrick J. Wong
2019-06-26 2:32 ` Darrick J. Wong
2019-06-26 2:32 ` [f2fs-dev] " Darrick J. Wong
2019-06-26 2:32 ` [Ocfs2-devel] " Darrick J. Wong
2019-06-26 4:11 ` Al Viro
2019-06-26 4:11 ` Al Viro
2019-06-26 4:11 ` [Cluster-devel] " Al Viro
2019-06-26 4:11 ` Al Viro
2019-06-26 4:11 ` [f2fs-dev] " Al Viro
2019-06-26 4:11 ` [Ocfs2-devel] " Al Viro
2019-06-26 15:35 ` Darrick J. Wong
2019-06-26 15:35 ` Darrick J. Wong
2019-06-26 15:35 ` [Cluster-devel] " Darrick J. Wong
2019-06-26 15:35 ` Darrick J. Wong
2019-06-26 15:35 ` [f2fs-dev] " Darrick J. Wong
2019-06-26 15:35 ` [Ocfs2-devel] " Darrick J. Wong
2019-06-26 15:43 ` Christoph Hellwig
2019-06-26 15:43 ` [Cluster-devel] " Christoph Hellwig
2019-06-26 15:43 ` Christoph Hellwig
2019-06-26 15:43 ` [f2fs-dev] " Christoph Hellwig
2019-06-26 15:43 ` [Ocfs2-devel] " Christoph Hellwig
2019-06-27 0:19 ` Darrick J. Wong [this message]
2019-06-27 0:19 ` Darrick J. Wong
2019-06-27 0:19 ` [Cluster-devel] " Darrick J. Wong
2019-06-27 0:19 ` Darrick J. Wong
2019-06-27 0:19 ` [f2fs-dev] " Darrick J. Wong
2019-06-27 0:19 ` [Ocfs2-devel] " Darrick J. Wong
2019-06-26 2:32 ` [PATCH 3/5] vfs: teach vfs_ioc_fssetxattr_check to check project id info Darrick J. Wong
2019-06-26 2:32 ` Darrick J. Wong
2019-06-26 2:32 ` [Cluster-devel] " Darrick J. Wong
2019-06-26 2:32 ` Darrick J. Wong
2019-06-26 2:32 ` [f2fs-dev] " Darrick J. Wong
2019-06-26 2:32 ` [Ocfs2-devel] " Darrick J. Wong
2019-06-26 2:32 ` [PATCH 4/5] vfs: teach vfs_ioc_fssetxattr_check to check extent size hints Darrick J. Wong
2019-06-26 2:32 ` Darrick J. Wong
2019-06-26 2:32 ` [Cluster-devel] " Darrick J. Wong
2019-06-26 2:32 ` Darrick J. Wong
2019-06-26 2:32 ` [f2fs-dev] " Darrick J. Wong
2019-06-26 2:32 ` [Ocfs2-devel] " Darrick J. Wong
2019-06-26 2:32 ` [PATCH 5/5] vfs: only allow FSSETXATTR to set DAX flag on files and dirs Darrick J. Wong
2019-06-26 2:32 ` Darrick J. Wong
2019-06-26 2:32 ` [Cluster-devel] " Darrick J. Wong
2019-06-26 2:32 ` Darrick J. Wong
2019-06-26 2:32 ` [f2fs-dev] " Darrick J. Wong
2019-06-26 2:32 ` [Ocfs2-devel] " Darrick J. Wong
2019-06-28 18:33 [PATCH v4 0/5] vfs: clean up SETFLAGS and FSSETXATTR option processing Darrick J. Wong
2019-06-28 18:34 ` [PATCH 2/5] vfs: create a generic checking function for FS_IOC_FSSETXATTR Darrick J. Wong
2019-06-28 18:34 ` Darrick J. Wong
2019-06-28 18:34 ` Darrick J. Wong
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