linux-kernel - linux-next: manual merge of the pidfd tree with the f2fs tree

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Message-ID: <20210125163255.1a87bba4@canb.auug.org.au>
Date:   Mon, 25 Jan 2021 16:32:55 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Christian Brauner <christian@...uner.io>,
        Jaegeuk Kim <jaegeuk@...nel.org>
Cc:     Chao Yu <chao@...nel.org>, Chao Yu <yuchao0@...wei.com>,
        Christian Brauner <christian.brauner@...ntu.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: linux-next: manual merge of the pidfd tree with the f2fs tree

Hi all,

Today's linux-next merge of the pidfd tree got a conflict in:

  fs/f2fs/acl.c

between commit:

  7cf2e6173b2d ("f2fs: enhance to update i_mode and acl atomically in f2fs_setattr()")

from the f2fs tree and commit:

  e65ce2a50cf6 ("acl: handle idmapped mounts")

from the pidfd tree.

I fixed it up (see below) and can carry the fix as necessary. This
is now fixed as far as linux-next is concerned, but any non trivial
conflicts should be mentioned to your upstream maintainer when your tree
is submitted for merging.  You may also want to consider cooperating
with the maintainer of the conflicting tree to minimise any particularly
complex conflicts.

-- 
Cheers,
Stephen Rothwell

diff --cc fs/f2fs/acl.c
index 732ec10e7890,a19e86c9adac..000000000000
--- a/fs/f2fs/acl.c
+++ b/fs/f2fs/acl.c
@@@ -200,27 -200,6 +200,27 @@@ struct posix_acl *f2fs_get_acl(struct i
  	return __f2fs_get_acl(inode, type, NULL);
  }
  
 +static int f2fs_acl_update_mode(struct inode *inode, umode_t *mode_p,
 +			  struct posix_acl **acl)
 +{
 +	umode_t mode = inode->i_mode;
 +	int error;
 +
 +	if (is_inode_flag_set(inode, FI_ACL_MODE))
 +		mode = F2FS_I(inode)->i_acl_mode;
 +
 +	error = posix_acl_equiv_mode(*acl, &mode);
 +	if (error < 0)
 +		return error;
 +	if (error == 0)
 +		*acl = NULL;
- 	if (!in_group_p(inode->i_gid) &&
- 	    !capable_wrt_inode_uidgid(inode, CAP_FSETID))
++	if (!in_group_p(i_gid_into_mnt(&init_user_ns, inode)) &&
++	    !capable_wrt_inode_uidgid(&init_user_ns, inode, CAP_FSETID))
 +		mode &= ~S_ISGID;
 +	*mode_p = mode;
 +	return 0;
 +}
 +
  static int __f2fs_set_acl(struct inode *inode, int type,
  			struct posix_acl *acl, struct page *ipage)
  {

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