From: Valerie Aurora <vaurora@redhat.com>
To: Erez Zadok <ezk@cs.sunysb.edu>
Cc: Jan Blunck <jblunck@suse.de>,
Alexander Viro <viro@zeniv.linux.org.uk>,
Christoph Hellwig <hch@infradead.org>,
Andy Whitcroft <apw@canonical.com>,
Scott James Remnant <scott@canonical.com>,
Sandu Popa Marius <sandupopamarius@gmail.com>,
Jan Rekorajski <baggins@sith.mimuw.edu.pl>,
"J. R. Okajima" <hooanon05@yahoo.co.jp>,
Arnd Bergmann <arnd@arndb.de>,
Vladimir Dronnikov <dronnikov@gmail.com>,
Felix Fietkau <nbd@openwrt.org>,
linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
Jan Blunck <jblunck@suse.org>
Subject: Re: [PATCH 17/41] whiteout: Add path_whiteout() helper
Date: Tue, 26 Jan 2010 15:02:10 -0500 [thread overview]
Message-ID: <20100126200210.GA10855@shell> (raw)
In-Reply-To: <200911300757.nAU7vU73022810@agora.fsl.cs.sunysb.edu>
On Mon, Nov 30, 2009 at 02:57:30AM -0500, Erez Zadok wrote:
> In message <1256152779-10054-18-git-send-email-vaurora@redhat.com>, Valerie Aurora writes:
> > From: Jan Blunck <jblunck@suse.de>
> >
> > Add a path_whiteout() helper for vfs_whiteout().
> >
> > Signed-off-by: Jan Blunck <jblunck@suse.org>
> > Signed-off-by: Valerie Aurora <vaurora@redhat.com>
> > ---
> > fs/namei.c | 15 ++++++++++++++-
> > include/linux/fs.h | 1 -
> > 2 files changed, 14 insertions(+), 2 deletions(-)
> >
> > diff --git a/fs/namei.c b/fs/namei.c
> > index 9a62c75..408380d 100644
> > --- a/fs/namei.c
> > +++ b/fs/namei.c
> > @@ -2231,7 +2231,7 @@ static inline int may_whiteout(struct inode *dir, struct dentry *victim,
> > * After this returns with success, don't make any assumptions about the inode.
> > * Just dput() it dentry.
> > */
> > -int vfs_whiteout(struct inode *dir, struct dentry *dentry, int isdir)
> > +static int vfs_whiteout(struct inode *dir, struct dentry *dentry, int isdir)
>
> Didn't some other patch introduce vfs_whiteout? So why have a second patch
> which makes vfs_whiteout a static? Why not introduce both vfs_whiteout and
> path_whiteout in one patch?
You're right, I merged those patches.
> > {
> > int err;
> > struct inode *old_inode = dentry->d_inode;
> > @@ -2283,6 +2283,19 @@ int vfs_whiteout(struct inode *dir, struct dentry *dentry, int isdir)
> > return err;
> > }
> >
> > +int path_whiteout(struct path *dir_path, struct dentry *dentry, int isdir)
>
> Please document the behavior of path_whiteout in a proper comment above ii
> (kernel-doc). Describe return values, side effects, etc.
Superseded by improved vfs_whiteout() documentation.
Thanks,
-VAL
next prev parent reply other threads:[~2010-01-26 20:02 UTC|newest]
Thread overview: 150+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-21 19:18 [RFC PATCH 00/40] Writable overlays (union mounts) Valerie Aurora
2009-10-21 19:18 ` Valerie Aurora
2009-10-21 19:18 ` [PATCH 01/41] VFS: BUG() if somebody tries to rehash an already hashed dentry Valerie Aurora
2009-10-21 19:18 ` Valerie Aurora
2009-10-21 19:19 ` [PATCH 02/41] VFS: propagate mnt_flags into do_loopback Valerie Aurora
2009-10-21 19:19 ` Valerie Aurora
2009-10-21 19:19 ` [PATCH 03/41] VFS: Make lookup_hash() return a struct path Valerie Aurora
2009-10-21 19:19 ` Valerie Aurora
2009-10-21 19:19 ` [PATCH 04/41] VFS: Remove unnecessary micro-optimization in cached_lookup() Valerie Aurora
2009-10-21 19:19 ` Valerie Aurora
2009-10-21 19:19 ` [PATCH 05/41] VFS: Make real_lookup() return a struct path Valerie Aurora
2009-10-21 19:19 ` Valerie Aurora
2009-10-21 19:19 ` [PATCH 06/41] VFS: Introduce dput() variant that maintains a kill-list Valerie Aurora
2009-10-21 19:19 ` Valerie Aurora
2009-10-21 19:19 ` [PATCH 07/41] VFS: Add read-only users count to superblock Valerie Aurora
2009-10-21 19:19 ` Valerie Aurora
2009-10-21 19:19 ` [PATCH 08/41] Don't replace nameidata path when following links Valerie Aurora
2009-10-21 19:19 ` Valerie Aurora
2009-10-21 19:19 ` [PATCH 09/41] whiteout: Don't return information about whiteouts to userspace Valerie Aurora
2009-10-21 19:19 ` Valerie Aurora
2009-10-21 19:19 ` [PATCH 10/41] whiteout: Add vfs_whiteout() and whiteout inode operation Valerie Aurora
2009-10-21 19:19 ` Valerie Aurora
2009-10-21 19:19 ` [PATCH 11/41] whiteout: Set S_OPAQUE inode flag when creating directories Valerie Aurora
2009-10-21 19:19 ` Valerie Aurora
2009-10-21 19:19 ` [PATCH 12/41] union-mount: Allow removal of a directory Valerie Aurora
2009-10-21 19:19 ` Valerie Aurora
2009-10-21 19:19 ` [PATCH 13/41] whiteout: tmpfs whiteout support Valerie Aurora
2009-10-21 19:19 ` Valerie Aurora
2009-10-21 19:19 ` [PATCH 14/41] whiteout: Split of ext2_append_link() from ext2_add_link() Valerie Aurora
2009-10-21 19:19 ` Valerie Aurora
2009-10-21 19:19 ` [PATCH 15/41] whiteout: ext2 whiteout support Valerie Aurora
2009-10-21 19:19 ` Valerie Aurora
2009-10-21 19:19 ` [PATCH 16/41] whiteout: jffs2 " Valerie Aurora
2009-10-21 19:19 ` Valerie Aurora
2009-10-21 19:19 ` Valerie Aurora
2009-10-21 19:19 ` [PATCH 17/41] whiteout: Add path_whiteout() helper Valerie Aurora
2009-10-21 19:19 ` Valerie Aurora
2009-10-21 19:19 ` [PATCH 18/41] union-mount: Documentation Valerie Aurora
2009-10-21 19:19 ` Valerie Aurora
2009-10-21 19:19 ` [PATCH 19/41] union-mount: Introduce MNT_UNION and MS_UNION flags Valerie Aurora
2009-10-21 19:19 ` Valerie Aurora
2009-10-21 19:19 ` [PATCH 20/41] union-mount: Introduce union_mount structure Valerie Aurora
2009-10-21 19:19 ` Valerie Aurora
2009-10-21 19:19 ` [PATCH 21/41] union-mount: Drive the union cache via dcache Valerie Aurora
2009-10-21 19:19 ` Valerie Aurora
2009-10-21 19:19 ` [PATCH 22/41] union-mount: Some checks during namespace changes Valerie Aurora
2009-10-21 19:19 ` Valerie Aurora
2009-10-21 19:19 ` [PATCH 23/41] union-mount: Changes to the namespace handling Valerie Aurora
2009-10-21 19:19 ` Valerie Aurora
2009-10-21 19:19 ` [PATCH 24/41] union-mount: Make lookup work for union-mounted file systems Valerie Aurora
2009-10-21 19:19 ` Valerie Aurora
2009-10-21 19:19 ` [PATCH 25/41] union-mount: stop lookup when directory has S_OPAQUE flag set Valerie Aurora
2009-10-21 19:19 ` Valerie Aurora
2009-10-21 19:19 ` [PATCH 26/41] union-mount: stop lookup when finding a whiteout Valerie Aurora
2009-10-21 19:19 ` Valerie Aurora
2009-10-21 19:19 ` [PATCH 27/41] union-mount: in-kernel file copy between union mounted filesystems Valerie Aurora
2009-10-21 19:19 ` Valerie Aurora
2009-10-21 19:19 ` [PATCH 28/41] union-mount: call do_whiteout() on unlink and rmdir Valerie Aurora
2009-10-21 19:19 ` Valerie Aurora
2009-10-21 19:19 ` [PATCH 29/41] union-mount: Always create topmost directory on open Valerie Aurora
2009-10-21 19:19 ` Valerie Aurora
2009-10-21 19:19 ` [PATCH 30/41] fallthru: Basic fallthru definitions Valerie Aurora
2009-10-21 19:19 ` Valerie Aurora
2009-10-21 19:19 ` [PATCH 31/41] fallthru: Support for fallthru entries in union mount lookup Valerie Aurora
2009-10-21 19:19 ` Valerie Aurora
2009-10-21 19:19 ` [PATCH 32/41] fallthru: ext2 fallthru support Valerie Aurora
2009-10-21 19:19 ` Valerie Aurora
2009-10-21 19:19 ` [PATCH 33/41] fallthru: jffs2 " Valerie Aurora
2009-10-21 19:19 ` Valerie Aurora
2009-10-21 19:19 ` Valerie Aurora
2009-10-21 19:19 ` [PATCH 34/41] fallthru: tmpfs " Valerie Aurora
2009-10-21 19:19 ` Valerie Aurora
2009-10-21 19:19 ` [PATCH 35/41] union-mount: Copy up directory entries on first readdir() Valerie Aurora
2009-10-21 19:19 ` Valerie Aurora
2009-10-21 19:19 ` [PATCH 36/41] union-mount: Increment read-only users count for read-only layer Valerie Aurora
2009-10-21 19:19 ` Valerie Aurora
2009-10-21 19:19 ` [PATCH 37/41] union-mount: Check read-only/read-write status of layers Valerie Aurora
2009-10-21 19:19 ` Valerie Aurora
2009-10-21 19:19 ` [PATCH 38/41] union-mount: Make pivot_root work with union mounts Valerie Aurora
2009-10-21 19:19 ` Valerie Aurora
2009-10-21 19:19 ` [PATCH 39/41] union-mount: Ignore read-only file system in permission checks Valerie Aurora
2009-10-21 19:19 ` Valerie Aurora
2009-10-21 19:19 ` [PATCH 40/41] union-mount: Make truncate work in all its glorious UNIX variations Valerie Aurora
2009-10-21 19:19 ` Valerie Aurora
2009-10-21 19:19 ` [PATCH 41/41] union-mount: Add support for rename by __union_copyup() Valerie Aurora
2009-10-21 19:19 ` Valerie Aurora
2009-12-01 4:57 ` Erez Zadok
2009-12-01 4:50 ` [PATCH 40/41] union-mount: Make truncate work in all its glorious UNIX variations Erez Zadok
2009-12-01 4:34 ` [PATCH 39/41] union-mount: Ignore read-only file system in permission checks Erez Zadok
2009-12-01 4:26 ` [PATCH 38/41] union-mount: Make pivot_root work with union mounts Erez Zadok
2009-12-01 4:18 ` [PATCH 35/41] union-mount: Copy up directory entries on first readdir() Erez Zadok
2009-12-01 4:17 ` [PATCH 34/41] fallthru: tmpfs fallthru support Erez Zadok
2009-12-01 4:17 ` [PATCH 33/41] fallthru: jffs2 " Erez Zadok
2009-12-01 4:17 ` Erez Zadok
2009-12-01 4:17 ` [PATCH 32/41] fallthru: ext2 " Erez Zadok
2009-12-01 4:15 ` [PATCH 31/41] fallthru: Support for fallthru entries in union mount lookup Erez Zadok
2009-12-01 4:14 ` [PATCH 30/41] fallthru: Basic fallthru definitions Erez Zadok
2009-12-01 4:14 ` [PATCH 29/41] union-mount: Always create topmost directory on open Erez Zadok
2009-12-01 4:13 ` [PATCH 27/41] union-mount: in-kernel file copy between union mounted filesystems Erez Zadok
2009-12-01 4:11 ` [PATCH 26/41] union-mount: stop lookup when finding a whiteout Erez Zadok
2009-12-01 4:10 ` [PATCH 25/41] union-mount: stop lookup when directory has S_OPAQUE flag set Erez Zadok
2009-12-01 4:10 ` [PATCH 24/41] union-mount: Make lookup work for union-mounted file systems Erez Zadok
2009-11-30 9:15 ` [PATCH 23/41] union-mount: Changes to the namespace handling Erez Zadok
2009-11-30 9:04 ` [PATCH 22/41] union-mount: Some checks during namespace changes Erez Zadok
2009-11-30 8:57 ` [PATCH 21/41] union-mount: Drive the union cache via dcache Erez Zadok
2009-11-30 8:46 ` [PATCH 20/41] union-mount: Introduce union_mount structure Erez Zadok
2010-01-26 22:38 ` Valerie Aurora
2009-11-30 8:02 ` [PATCH 19/41] union-mount: Introduce MNT_UNION and MS_UNION flags Erez Zadok
2010-01-26 20:03 ` Valerie Aurora
2009-12-01 5:37 ` [PATCH 18/41] union-mount: Documentation Erez Zadok
2009-11-30 7:57 ` [PATCH 17/41] whiteout: Add path_whiteout() helper Erez Zadok
2010-01-26 20:02 ` Valerie Aurora [this message]
2009-10-21 22:50 ` [PATCH 16/41] whiteout: jffs2 whiteout support David Woodhouse
2009-10-21 22:50 ` David Woodhouse
2009-10-27 2:21 ` Valerie Aurora
2009-10-27 2:21 ` Valerie Aurora
2009-11-30 7:51 ` Erez Zadok
2009-11-30 7:51 ` Erez Zadok
2010-01-26 19:52 ` Valerie Aurora
2010-01-26 19:52 ` Valerie Aurora
2009-10-21 21:17 ` [PATCH 15/41] whiteout: ext2 " Andreas Dilger
2009-10-27 2:14 ` Valerie Aurora
2009-11-30 7:45 ` Erez Zadok
2009-11-30 6:32 ` [PATCH 14/41] whiteout: Split of ext2_append_link() from ext2_add_link() Erez Zadok
2009-11-30 6:26 ` [PATCH 13/41] whiteout: tmpfs whiteout support Erez Zadok
2010-01-21 2:02 ` Valerie Aurora
2009-11-30 6:13 ` [PATCH 12/41] union-mount: Allow removal of a directory Erez Zadok
2010-01-21 0:52 ` Valerie Aurora
2009-10-27 14:36 ` [PATCH 10/41] whiteout: Add vfs_whiteout() and whiteout inode operation Eric Paris
2009-10-27 14:36 ` Eric Paris
2009-10-27 21:22 ` Valerie Aurora
2009-11-30 3:04 ` Erez Zadok
2010-01-21 0:35 ` Valerie Aurora
2009-11-30 2:53 ` [PATCH 09/41] whiteout: Don't return information about whiteouts to userspace Erez Zadok
2010-01-21 0:19 ` Valerie Aurora
2009-11-30 2:44 ` [PATCH 08/41] Don't replace nameidata path when following links Erez Zadok
2009-11-30 2:33 ` [PATCH 07/41] VFS: Add read-only users count to superblock Erez Zadok
2009-11-30 2:28 ` [PATCH 06/41] VFS: Introduce dput() variant that maintains a kill-list Erez Zadok
2010-01-20 23:31 ` Valerie Aurora
2009-11-30 2:11 ` [PATCH 05/41] VFS: Make real_lookup() return a struct path Erez Zadok
2009-11-30 2:07 ` [PATCH 04/41] VFS: Remove unnecessary micro-optimization in cached_lookup() Erez Zadok
2009-12-10 21:25 ` Valerie Aurora
2009-11-30 2:02 ` [PATCH 03/41] VFS: Make lookup_hash() return a struct path Erez Zadok
2009-12-10 21:23 ` Valerie Aurora
2009-11-30 6:04 ` Erez Zadok
2009-12-10 21:24 ` Valerie Aurora
2009-11-30 1:43 ` [PATCH 01/41] VFS: BUG() if somebody tries to rehash an already hashed dentry Erez Zadok
2009-12-10 20:20 ` Valerie Aurora
2009-10-22 2:44 ` [RFC PATCH 00/40] Writable overlays (union mounts) hooanon05
2009-10-27 2:23 ` Valerie Aurora
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20100126200210.GA10855@shell \
--to=vaurora@redhat.com \
--cc=apw@canonical.com \
--cc=arnd@arndb.de \
--cc=baggins@sith.mimuw.edu.pl \
--cc=dronnikov@gmail.com \
--cc=ezk@cs.sunysb.edu \
--cc=hch@infradead.org \
--cc=hooanon05@yahoo.co.jp \
--cc=jblunck@suse.de \
--cc=jblunck@suse.org \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=nbd@openwrt.org \
--cc=sandupopamarius@gmail.com \
--cc=scott@canonical.com \
--cc=viro@zeniv.linux.org.uk \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.