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author | Miklos Szeredi <mszeredi@redhat.com> | 2017-07-04 22:03:18 +0200 |
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committer | Miklos Szeredi <mszeredi@redhat.com> | 2017-07-04 22:03:18 +0200 |
commit | 55acc6618259c8ff0a400a131f0f4b613e96010a (patch) | |
tree | 82f73eccca8d417ec8c77ad1b02dd28748c5c456 /fs/overlayfs/dir.c | |
parent | 23f0ab13eaa69b4a351184cbec448be2aad3a3a9 (diff) |
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/dir.c')
-rw-r--r-- | fs/overlayfs/dir.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/overlayfs/dir.c b/fs/overlayfs/dir.c index a072c27e03bc..8b2b23181b19 100644 --- a/fs/overlayfs/dir.c +++ b/fs/overlayfs/dir.c @@ -156,6 +156,7 @@ static void ovl_instantiate(struct dentry *dentry, struct inode *inode, struct dentry *newdentry, bool hardlink) { ovl_dentry_version_inc(dentry->d_parent); + ovl_dentry_set_upper_alias(dentry); if (!hardlink) { ovl_inode_update(inode, newdentry); ovl_copyattr(newdentry->d_inode, inode); |