On Thu 10-09-20 16:48:21, Christoph Hellwig wrote:
> The last user of SB_I_MULTIROOT is disappeared with commit f2aedb713c28
> ("NFS: Add fs_context support.")
>
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
> Reviewed-by: Johannes Thumshirn <johannes.thumshirn@xxxxxxx>
Nice. You can add:
Reviewed-by: Jan Kara <jack@xxxxxxx>
Honza
> ---
> fs/namei.c | 4 ++--
> include/linux/fs.h | 1 -
> 2 files changed, 2 insertions(+), 3 deletions(-)
>
> diff --git a/fs/namei.c b/fs/namei.c
> index e99e2a9da0f7de..f1eb8ccd2be958 100644
> --- a/fs/namei.c
> +++ b/fs/namei.c
> @@ -568,8 +568,8 @@ static bool path_connected(struct vfsmount *mnt, struct dentry *dentry)
> {
> struct super_block *sb = mnt->mnt_sb;
>
> - /* Bind mounts and multi-root filesystems can have disconnected paths */
> - if (!(sb->s_iflags & SB_I_MULTIROOT) && (mnt->mnt_root == sb->s_root))
> + /* Bind mounts can have disconnected paths */
> + if (mnt->mnt_root == sb->s_root)
> return true;
>
> return is_subdir(dentry, mnt->mnt_root);
> diff --git a/include/linux/fs.h b/include/linux/fs.h
> index 7519ae003a082c..fbd74df5ce5f34 100644
> --- a/include/linux/fs.h
> +++ b/include/linux/fs.h
> @@ -1385,7 +1385,6 @@ extern int send_sigurg(struct fown_struct *fown);
> #define SB_I_CGROUPWB 0x00000001 /* cgroup-aware writeback enabled */
> #define SB_I_NOEXEC 0x00000002 /* Ignore executables on this fs */
> #define SB_I_NODEV 0x00000004 /* Ignore devices on this fs */
> -#define SB_I_MULTIROOT 0x00000008 /* Multiple roots to the dentry tree */
>
> /* sb->s_iflags to limit user namespace mounts */
> #define SB_I_USERNS_VISIBLE 0x00000010 /* fstype already mounted */
> --
> 2.28.0
>
--
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR
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