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From: Chengguang Xu <cgxu519@mykernel.net>
To: miklos@szeredi.hu, amir73il@gmail.com, jack@suse.cz
Cc: linux-unionfs@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	Chengguang Xu <cgxu519@mykernel.net>
Subject: [RFC PATCH 3/5] ovl: setup overlayfs' private bdi
Date: Sat, 10 Oct 2020 22:23:53 +0800	[thread overview]
Message-ID: <20201010142355.741645-4-cgxu519@mykernel.net> (raw)
In-Reply-To: <20201010142355.741645-1-cgxu519@mykernel.net>

Setup private bdi to collect overlayfs' dirty inodes.

Signed-off-by: Chengguang Xu <cgxu519@mykernel.net>
---
 fs/overlayfs/super.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c
index 290983b..dc22725 100644
--- a/fs/overlayfs/super.c
+++ b/fs/overlayfs/super.c
@@ -1863,6 +1863,9 @@ static int ovl_fill_super(struct super_block *sb, void *data, int silent)
 	int err;
 
 	sb->s_d_op = &ovl_dentry_operations;
+	err = super_setup_bdi(sb);
+	if (err)
+		goto out;
 
 	err = -ENOMEM;
 	ofs = kzalloc(sizeof(struct ovl_fs), GFP_KERNEL);
-- 
1.8.3.1



  parent reply	other threads:[~2020-10-10 23:12 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-10 14:23 [RFC PATCH 0/5] implement containerized syncfs for overlayfs Chengguang Xu
2020-10-10 14:23 ` [RFC PATCH 1/5] fs: introduce notifier list for vfs inode Chengguang Xu
2020-10-14 16:15   ` Jan Kara
2020-10-15  3:03     ` Chengguang Xu
2020-10-15  6:11       ` Amir Goldstein
2020-10-15 11:29         ` Chengguang Xu
2020-10-15 12:32           ` Amir Goldstein
2020-10-15 13:13             ` Chengguang Xu
2020-10-15 16:02               ` Amir Goldstein
2020-10-15 16:06                 ` Amir Goldstein
2020-10-16  1:56                 ` Chengguang Xu
2020-10-16  4:39                   ` Amir Goldstein
2020-10-16  7:43                     ` Chengguang Xu
2020-10-15  3:25   ` Al Viro
2020-10-15  3:42     ` Chengguang Xu
2020-10-15  4:57       ` Al Viro
2020-10-15 10:56         ` Chengguang Xu
2020-10-16  7:09         ` Chengguang Xu
2020-10-16  9:22           ` Jan Kara
2020-10-10 14:23 ` [RFC PATCH 2/5] fs: export symbol of writeback_single_inode() Chengguang Xu
2020-10-10 14:23 ` Chengguang Xu [this message]
2020-10-10 14:23 ` [RFC PATCH 4/5] ovl: monitor marking dirty activity of underlying upper inode Chengguang Xu
2020-10-10 14:23 ` [RFC PATCH 5/5] ovl: impement containerized syncfs for overlayfs Chengguang Xu

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