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Subject[RFC PATCH V6 1/7] ovl: setup overlayfs' private bdi
Date
From: Chengguang Xu <charliecgxu@tencent.com>

Setup overlayfs' private bdi so that we can collect
overlayfs' own dirty inodes.

Signed-off-by: Chengguang Xu <charliecgxu@tencent.com>
---
fs/overlayfs/super.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c
index 265181c110ae..18a12088a37b 100644
--- a/fs/overlayfs/super.c
+++ b/fs/overlayfs/super.c
@@ -1984,6 +1984,10 @@ static int ovl_fill_super(struct super_block *sb, void *data, int silent)
if (!ofs)
goto out;

+ err = super_setup_bdi(sb);
+ if (err)
+ goto out_err;
+
err = -ENOMEM;
ofs->creator_cred = cred = prepare_creds();
if (!cred)
--
2.27.0

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