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From: Jan Kara <jack@suse.cz>
To: Jens Axboe <axboe@kernel.dk>
Cc: <linux-block@vger.kernel.org>, <linux-fsdevel@vger.kernel.org>,
	Jan Kara <jack@suse.cz>, Petr Vandrovec <petr@vandrovec.name>
Subject: [PATCH 20/25] ncpfs: Convert to separately allocated bdi
Date: Wed, 12 Apr 2017 12:24:44 +0200	[thread overview]
Message-ID: <20170412102449.16901-21-jack@suse.cz> (raw)
In-Reply-To: <20170412102449.16901-1-jack@suse.cz>

Allocate struct backing_dev_info separately instead of embedding it
inside the superblock. This unifies handling of bdi among users.

CC: Petr Vandrovec <petr@vandrovec.name>
Acked-by: Petr Vandrovec <petr@vandrovec.name>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/ncpfs/inode.c     | 8 ++------
 fs/ncpfs/ncp_fs_sb.h | 1 -
 2 files changed, 2 insertions(+), 7 deletions(-)

diff --git a/fs/ncpfs/inode.c b/fs/ncpfs/inode.c
index d5606099712a..6d0f14c86099 100644
--- a/fs/ncpfs/inode.c
+++ b/fs/ncpfs/inode.c
@@ -554,12 +554,11 @@ static int ncp_fill_super(struct super_block *sb, void *raw_data, int silent)
 	sb->s_magic = NCP_SUPER_MAGIC;
 	sb->s_op = &ncp_sops;
 	sb->s_d_op = &ncp_dentry_operations;
-	sb->s_bdi = &server->bdi;
 
 	server = NCP_SBP(sb);
 	memset(server, 0, sizeof(*server));
 
-	error = bdi_setup_and_register(&server->bdi, "ncpfs");
+	error = super_setup_bdi(sb);
 	if (error)
 		goto out_fput;
 
@@ -568,7 +567,7 @@ static int ncp_fill_super(struct super_block *sb, void *raw_data, int silent)
 	if (data.info_fd != -1) {
 		struct socket *info_sock = sockfd_lookup(data.info_fd, &error);
 		if (!info_sock)
-			goto out_bdi;
+			goto out_fput;
 		server->info_sock = info_sock;
 		error = -EBADFD;
 		if (info_sock->type != SOCK_STREAM)
@@ -746,8 +745,6 @@ static int ncp_fill_super(struct super_block *sb, void *raw_data, int silent)
 out_fput2:
 	if (server->info_sock)
 		sockfd_put(server->info_sock);
-out_bdi:
-	bdi_destroy(&server->bdi);
 out_fput:
 	sockfd_put(sock);
 out:
@@ -788,7 +785,6 @@ static void ncp_put_super(struct super_block *sb)
 	kill_pid(server->m.wdog_pid, SIGTERM, 1);
 	put_pid(server->m.wdog_pid);
 
-	bdi_destroy(&server->bdi);
 	kfree(server->priv.data);
 	kfree(server->auth.object_name);
 	vfree(server->rxbuf);
diff --git a/fs/ncpfs/ncp_fs_sb.h b/fs/ncpfs/ncp_fs_sb.h
index 55e26fd80886..366fd63cc506 100644
--- a/fs/ncpfs/ncp_fs_sb.h
+++ b/fs/ncpfs/ncp_fs_sb.h
@@ -143,7 +143,6 @@ struct ncp_server {
 		size_t len;
 		__u8 data[128];
 	} unexpected_packet;
-	struct backing_dev_info bdi;
 };
 
 extern void ncp_tcp_rcv_proc(struct work_struct *work);
-- 
2.12.0

  parent reply	other threads:[~2017-04-12 10:25 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-12 10:24 [PATCH 0/25 v3] fs: Convert all embedded bdis into separate ones Jan Kara
2017-04-12 10:24 ` [PATCH 01/25] bdi: Provide bdi_register_va() and bdi_alloc() Jan Kara
2017-04-12 10:24 ` [PATCH 02/25] block: Unregister bdi on last reference drop Jan Kara
2017-04-12 10:24 ` [PATCH 03/25] bdi: Export bdi_alloc_node() and bdi_put() Jan Kara
2017-04-12 10:24 ` [PATCH 04/25] fs: Provide infrastructure for dynamic BDIs in filesystems Jan Kara
2017-04-12 10:24 ` [PATCH 05/25] fs: Get proper reference for s_bdi Jan Kara
2017-04-12 10:24 ` [PATCH 06/25] lustre: Convert to separately allocated bdi Jan Kara
2017-04-12 10:24 ` [PATCH 07/25] 9p: " Jan Kara
2017-04-12 10:24 ` [PATCH 08/25] btrfs: " Jan Kara
2017-04-12 10:24 ` [PATCH 09/25] ceph: " Jan Kara
2017-04-12 10:24 ` [PATCH 10/25] cifs: " Jan Kara
2017-04-12 10:24 ` [PATCH 11/25] ecryptfs: " Jan Kara
2017-04-12 10:24 ` [PATCH 12/25] afs: " Jan Kara
2017-04-12 10:24 ` [PATCH 13/25] mtd: Convert to dynamically allocated bdi infrastructure Jan Kara
2017-04-12 10:24 ` [PATCH 14/25] coda: Convert to separately allocated bdi Jan Kara
2017-04-12 10:24 ` [PATCH 15/25] exofs: " Jan Kara
2017-04-12 10:24 ` [PATCH 16/25] fuse: " Jan Kara
2017-05-15 20:34   ` Rakesh Pandit
2017-05-16 10:48     ` Jan Kara
2017-05-16 18:37       ` Rakesh Pandit
2017-05-16 23:24         ` Jens Axboe
2017-05-17  7:46           ` Jan Kara
2017-05-17 14:15             ` Jens Axboe
2017-04-12 10:24 ` [PATCH 17/25] fuse: Get rid of bdi_initialized Jan Kara
2017-04-12 10:24 ` [PATCH 18/25] gfs2: Convert to properly refcounting bdi Jan Kara
2017-04-12 10:24 ` [PATCH 19/25] nilfs2: " Jan Kara
2017-04-12 13:47   ` Ryusuke Konishi
2017-04-12 10:24 ` Jan Kara [this message]
2017-04-12 10:24 ` [PATCH 21/25] nfs: Convert to separately allocated bdi Jan Kara
2017-04-20 18:06   ` Trond Myklebust
2017-04-12 10:24 ` [PATCH 22/25] ubifs: " Jan Kara
2017-04-12 10:24 ` [PATCH 23/25] fs: Remove SB_I_DYNBDI flag Jan Kara
2017-04-12 10:24 ` [PATCH 24/25] block: Remove unused functions Jan Kara
2017-04-12 10:24 ` [PATCH 25/25] bdi: Drop 'parent' argument from bdi_register[_va]() Jan Kara
2017-04-20 18:11 ` [PATCH 0/25 v3] fs: Convert all embedded bdis into separate ones Jens Axboe
  -- strict thread matches above, loose matches on Subject: below --
2017-03-29 10:55 [PATCH 0/25 v2] " Jan Kara
2017-03-29 10:56 ` [PATCH 20/25] ncpfs: Convert to separately allocated bdi Jan Kara
2017-04-12  8:18   ` Christoph Hellwig

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