diff options
Diffstat (limited to 'fs/inode.c')
| -rw-r--r-- | fs/inode.c | 21 |
1 files changed, 4 insertions, 17 deletions
diff --git a/fs/inode.c b/fs/inode.c index 2c300e981796..7ef6f1942757 100644 --- a/fs/inode.c +++ b/fs/inode.c @@ -1560,24 +1560,11 @@ EXPORT_SYMBOL(bmap); static void update_ovl_inode_times(struct dentry *dentry, struct inode *inode, bool rcu) { - struct dentry *upperdentry; + if (!rcu) { + struct inode *realinode = d_real_inode(dentry); - /* - * Nothing to do if in rcu or if non-overlayfs - */ - if (rcu || likely(!(dentry->d_flags & DCACHE_OP_REAL))) - return; - - upperdentry = d_real(dentry, NULL, 0, D_REAL_UPPER); - - /* - * If file is on lower then we can't update atime, so no worries about - * stale mtime/ctime. - */ - if (upperdentry) { - struct inode *realinode = d_inode(upperdentry); - - if ((!timespec64_equal(&inode->i_mtime, &realinode->i_mtime) || + if (unlikely(inode != realinode) && + (!timespec64_equal(&inode->i_mtime, &realinode->i_mtime) || !timespec64_equal(&inode->i_ctime, &realinode->i_ctime))) { inode->i_mtime = realinode->i_mtime; inode->i_ctime = realinode->i_ctime; |