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| author | Christian Brauner <brauner@kernel.org> | 2022-07-06 17:13:23 +0200 |
|---|---|---|
| committer | Christian Brauner (Microsoft) <brauner@kernel.org> | 2022-07-15 22:09:57 +0200 |
| commit | 8043bffd01833a8544f2466fb3804310d6e73d09 (patch) | |
| tree | ccd606f7a6956bff3511233e5c4549670ba36a5a /fs/posix_acl.c | |
| parent | e933c15f7621074ef6d5c137fe212996fb5038a8 (diff) | |
| download | lwn-8043bffd01833a8544f2466fb3804310d6e73d09.tar.gz lwn-8043bffd01833a8544f2466fb3804310d6e73d09.zip | |
acl: make posix_acl_clone() available to overlayfs
The ovl_get_acl() function needs to alter the POSIX ACLs retrieved from the
lower filesystem. Instead of hand-rolling a overlayfs specific
posix_acl_clone() variant allow export it. It's not special and it's not deeply
internal anyway.
Link: https://lore.kernel.org/r/20220708090134.385160-3-brauner@kernel.org
Cc: Seth Forshee <sforshee@digitalocean.com>
Cc: Amir Goldstein <amir73il@gmail.com>
Cc: Vivek Goyal <vgoyal@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Aleksa Sarai <cyphar@cyphar.com>
Cc: Miklos Szeredi <mszeredi@redhat.com>
Cc: linux-unionfs@vger.kernel.org
Cc: linux-fsdevel@vger.kernel.org
Reviewed-by: Seth Forshee <sforshee@digitalocean.com>
Signed-off-by: Christian Brauner (Microsoft) <brauner@kernel.org>
Diffstat (limited to 'fs/posix_acl.c')
| -rw-r--r-- | fs/posix_acl.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/posix_acl.c b/fs/posix_acl.c index d4b60c18fda7..1d17d7b13dcd 100644 --- a/fs/posix_acl.c +++ b/fs/posix_acl.c @@ -199,7 +199,7 @@ EXPORT_SYMBOL(posix_acl_alloc); /* * Clone an ACL. */ -static struct posix_acl * +struct posix_acl * posix_acl_clone(const struct posix_acl *acl, gfp_t flags) { struct posix_acl *clone = NULL; @@ -213,6 +213,7 @@ posix_acl_clone(const struct posix_acl *acl, gfp_t flags) } return clone; } +EXPORT_SYMBOL_GPL(posix_acl_clone); /* * Check if an acl is valid. Returns 0 if it is, or -E... otherwise. |