From: Chengguang Xu <cgxu519@mykernel.net>
To: miklos@szeredi.hu, jack@suse.cz, amir73il@gmail.com
Cc: linux-unionfs@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-kernel@vger.kernel.org,
Chengguang Xu <charliecgxu@tencent.com>
Subject: [RFC PATCH V6 1/7] ovl: setup overlayfs' private bdi
Date: Mon, 22 Nov 2021 11:00:32 +0800 [thread overview]
Message-ID: <20211122030038.1938875-2-cgxu519@mykernel.net> (raw)
In-Reply-To: <20211122030038.1938875-1-cgxu519@mykernel.net>
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
next prev parent reply other threads:[~2021-11-22 3:16 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-22 3:00 [RFC PATCH V6 0/7] implement containerized syncfs for overlayfs Chengguang Xu
2021-11-22 3:00 ` Chengguang Xu [this message]
2021-11-26 8:51 ` [RFC PATCH V6 1/7] ovl: setup overlayfs' private bdi Jan Kara
2021-11-22 3:00 ` [RFC PATCH V6 2/7] ovl: mark overlayfs inode dirty when it has upper Chengguang Xu
2021-11-26 9:10 ` Jan Kara
2021-11-26 13:06 ` Chengguang Xu
2021-11-26 14:32 ` Jan Kara
2021-11-22 3:00 ` [RFC PATCH V6 3/7] ovl: implement overlayfs' own ->write_inode operation Chengguang Xu
2021-11-26 9:14 ` Jan Kara
2021-11-26 13:09 ` Chengguang Xu
2021-11-22 3:00 ` [RFC PATCH V6 4/7] ovl: set 'DONTCACHE' flag for overlayfs inode Chengguang Xu
2021-11-26 9:20 ` Jan Kara
2021-11-22 3:00 ` [RFC PATCH V6 5/7] fs: export wait_sb_inodes() Chengguang Xu
2021-11-26 9:20 ` Jan Kara
2021-11-22 3:00 ` [RFC PATCH V6 6/7] ovl: introduce ovl_sync_upper_blockdev() Chengguang Xu
2021-11-26 9:21 ` Jan Kara
2021-11-22 3:00 ` [RFC PATCH V6 7/7] ovl: implement containerized syncfs for overlayfs Chengguang Xu
2021-11-22 7:40 ` Amir Goldstein
2021-11-26 5:03 ` Chengguang Xu
2021-11-26 9:25 ` Jan Kara
2021-11-27 9:26 ` 回复:[RFC PATCH V6 0/7] " Chengguang Xu
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