Messages in this thread Patch in this message | | | From | Chengguang Xu <> | Subject | [RFC PATCH V6 2/7] ovl: mark overlayfs inode dirty when it has upper | Date | Mon, 22 Nov 2021 11:00:33 +0800 |
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From: Chengguang Xu <charliecgxu@tencent.com>
We simply mark overlayfs inode dirty when it has upper, it's much simpler than mark dirtiness on modification.
Signed-off-by: Chengguang Xu <charliecgxu@tencent.com> --- fs/overlayfs/inode.c | 4 +++- fs/overlayfs/util.c | 1 + 2 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c index 1f36158c7dbe..027ffc0a2539 100644 --- a/fs/overlayfs/inode.c +++ b/fs/overlayfs/inode.c @@ -778,8 +778,10 @@ void ovl_inode_init(struct inode *inode, struct ovl_inode_params *oip, { struct inode *realinode; - if (oip->upperdentry) + if (oip->upperdentry) { OVL_I(inode)->__upperdentry = oip->upperdentry; + mark_inode_dirty(inode); + } if (oip->lowerpath && oip->lowerpath->dentry) OVL_I(inode)->lower = igrab(d_inode(oip->lowerpath->dentry)); if (oip->lowerdata) diff --git a/fs/overlayfs/util.c b/fs/overlayfs/util.c index f48284a2a896..a1922af32a13 100644 --- a/fs/overlayfs/util.c +++ b/fs/overlayfs/util.c @@ -421,6 +421,7 @@ void ovl_inode_update(struct inode *inode, struct dentry *upperdentry) inode->i_private = upperinode; __insert_inode_hash(inode, (unsigned long) upperinode); } + mark_inode_dirty(inode); } static void ovl_dir_version_inc(struct dentry *dentry, bool impurity) -- 2.27.0
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