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author | Christian Brauner <brauner@kernel.org> | 2022-07-06 17:13:23 +0200 |
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committer | Christian Brauner (Microsoft) <brauner@kernel.org> | 2022-07-15 22:09:57 +0200 |
commit | 8043bffd01833a8544f2466fb3804310d6e73d09 (patch) | |
tree | ccd606f7a6956bff3511233e5c4549670ba36a5a /include/linux/posix_acl.h | |
parent | e933c15f7621074ef6d5c137fe212996fb5038a8 (diff) | |
download | linux-stable-8043bffd01833a8544f2466fb3804310d6e73d09.tar.gz linux-stable-8043bffd01833a8544f2466fb3804310d6e73d09.tar.bz2 linux-stable-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 'include/linux/posix_acl.h')
-rw-r--r-- | include/linux/posix_acl.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/posix_acl.h b/include/linux/posix_acl.h index b65c877d92b8..7d1e604c1325 100644 --- a/include/linux/posix_acl.h +++ b/include/linux/posix_acl.h @@ -73,6 +73,7 @@ extern int set_posix_acl(struct user_namespace *, struct inode *, int, struct posix_acl *); struct posix_acl *get_cached_acl_rcu(struct inode *inode, int type); +struct posix_acl *posix_acl_clone(const struct posix_acl *acl, gfp_t flags); #ifdef CONFIG_FS_POSIX_ACL int posix_acl_chmod(struct user_namespace *, struct inode *, umode_t); |