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| author | Miklos Szeredi <mszeredi@redhat.com> | 2017-07-04 22:03:18 +0200 |
|---|---|---|
| committer | Miklos Szeredi <mszeredi@redhat.com> | 2017-07-04 22:03:18 +0200 |
| commit | 55acc6618259c8ff0a400a131f0f4b613e96010a (patch) | |
| tree | 82f73eccca8d417ec8c77ad1b02dd28748c5c456 /fs/overlayfs/super.c | |
| parent | 23f0ab13eaa69b4a351184cbec448be2aad3a3a9 (diff) | |
| download | lwn-55acc6618259c8ff0a400a131f0f4b613e96010a.tar.gz lwn-55acc6618259c8ff0a400a131f0f4b613e96010a.zip | |
ovl: add flag for upper in ovl_entry
For rename, we need to ensure that an upper alias exists for hard links
before attempting the operation. Introduce a flag in ovl_entry to track
the state of the upper alias.
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Diffstat (limited to 'fs/overlayfs/super.c')
| -rw-r--r-- | fs/overlayfs/super.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c index 791581c370f5..f29ee08cf99f 100644 --- a/fs/overlayfs/super.c +++ b/fs/overlayfs/super.c @@ -1119,6 +1119,7 @@ static int ovl_fill_super(struct super_block *sb, void *data, int silent) kfree(lowertmp); if (upperpath.dentry) { + oe->has_upper = true; if (ovl_is_impuredir(upperpath.dentry)) ovl_set_flag(OVL_IMPURE, d_inode(root_dentry)); } |