diff mbox series

fs: export getname()

Message ID 20231116211822.leztxrldjzyqadtm@moria.home.lan (mailing list archive)
State New, archived
Headers show
Series fs: export getname() | expand

Commit Message

Kent Overstreet Nov. 16, 2023, 9:18 p.m. UTC 
On Thu, Nov 16, 2023 at 05:08:32AM +0000, Al Viro wrote:
> (in #work.namei; used for bcachefs locking fix)
> From 74d016ecc1a7974664e98d1afbf649cd4e0e0423 Mon Sep 17 00:00:00 2001
> From: Al Viro <viro@zeniv.linux.org.uk>
> Date: Wed, 15 Nov 2023 22:41:27 -0500
> Subject: [PATCH 1/2] new helper: user_path_locked_at()
> 
> Equivalent of kern_path_locked() taking dfd/userland name.
> User introduced in the next commit.

also applying this:
-- >8 --

The locking fix in bch2_ioctl_subvolume_destroy() also needs getname()
exported; previous patch provided filename_path_locked()

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

Comments

Al Viro Nov. 16, 2023, 9:53 p.m. UTC | #1 
On Thu, Nov 16, 2023 at 04:18:22PM -0500, Kent Overstreet wrote:
> On Thu, Nov 16, 2023 at 05:08:32AM +0000, Al Viro wrote:
> > (in #work.namei; used for bcachefs locking fix)
> > From 74d016ecc1a7974664e98d1afbf649cd4e0e0423 Mon Sep 17 00:00:00 2001
> > From: Al Viro <viro@zeniv.linux.org.uk>
> > Date: Wed, 15 Nov 2023 22:41:27 -0500
> > Subject: [PATCH 1/2] new helper: user_path_locked_at()
> > 
> > Equivalent of kern_path_locked() taking dfd/userland name.
> > User introduced in the next commit.
> 
> also applying this:
> -- >8 --
> 
> The locking fix in bch2_ioctl_subvolume_destroy() also needs getname()
> exported; previous patch provided filename_path_locked()

Not needed anymore...
Kent Overstreet Nov. 16, 2023, 9:56 p.m. UTC | #2 
On Thu, Nov 16, 2023 at 09:53:56PM +0000, Al Viro wrote:
> On Thu, Nov 16, 2023 at 04:18:22PM -0500, Kent Overstreet wrote:
> > On Thu, Nov 16, 2023 at 05:08:32AM +0000, Al Viro wrote:
> > > (in #work.namei; used for bcachefs locking fix)
> > > From 74d016ecc1a7974664e98d1afbf649cd4e0e0423 Mon Sep 17 00:00:00 2001
> > > From: Al Viro <viro@zeniv.linux.org.uk>
> > > Date: Wed, 15 Nov 2023 22:41:27 -0500
> > > Subject: [PATCH 1/2] new helper: user_path_locked_at()
> > > 
> > > Equivalent of kern_path_locked() taking dfd/userland name.
> > > User introduced in the next commit.
> > 
> > also applying this:
> > -- >8 --
> > 
> > The locking fix in bch2_ioctl_subvolume_destroy() also needs getname()
> > exported; previous patch provided filename_path_locked()
> 
> Not needed anymore...

Saw your message about user_path_locked(); dropping these
diff mbox series

Patch

diff --git a/fs/namei.c b/fs/namei.c
index eab372e04767..83dd8b51995a 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -218,6 +218,7 @@  getname(const char __user * filename)
 {
 	return getname_flags(filename, 0, NULL);
 }
+EXPORT_SYMBOL(getname);
 
 struct filename *
 getname_kernel(const char * filename)