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Subject[RFC PATCH V6 4/7] ovl: set 'DONTCACHE' flag for overlayfs inode
Date
From: Chengguang Xu <charliecgxu@tencent.com>

Set 'DONTCACHE' flag to overlayfs inode so that
upper inode to be always synced before eviction.

Signed-off-by: Chengguang Xu <charliecgxu@tencent.com>
---
fs/overlayfs/inode.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c
index 027ffc0a2539..c4472299d5df 100644
--- a/fs/overlayfs/inode.c
+++ b/fs/overlayfs/inode.c
@@ -791,6 +791,7 @@ void ovl_inode_init(struct inode *inode, struct ovl_inode_params *oip,
ovl_copyattr(realinode, inode);
ovl_copyflags(realinode, inode);
ovl_map_ino(inode, ino, fsid);
+ d_mark_dontcache(inode);
}

static void ovl_fill_inode(struct inode *inode, umode_t mode, dev_t rdev)
--
2.27.0

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