linux-ext4 - [PATCH v6 20/20] btrfs: minimal conversion to errseq

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Message-Id: <20170612122316.13244-25-jlayton@redhat.com>
Date:   Mon, 12 Jun 2017 08:23:16 -0400
From:   Jeff Layton <jlayton@...hat.com>
To:     Andrew Morton <akpm@...ux-foundation.org>,
        Al Viro <viro@...IV.linux.org.uk>, Jan Kara <jack@...e.cz>,
        tytso@....edu, axboe@...nel.dk, mawilcox@...rosoft.com,
        ross.zwisler@...ux.intel.com, corbet@....net,
        Chris Mason <clm@...com>, Josef Bacik <jbacik@...com>,
        David Sterba <dsterba@...e.com>,
        "Darrick J . Wong" <darrick.wong@...cle.com>
Cc:     linux-fsdevel@...r.kernel.org, linux-mm@...ck.org,
        linux-ext4@...r.kernel.org, linux-xfs@...r.kernel.org,
        linux-btrfs@...r.kernel.org, linux-block@...r.kernel.org
Subject: [PATCH v6 20/20] btrfs: minimal conversion to errseq_t writeback error reporting on fsync

Set the FS_WB_ERRSEQ flag to opt-in to errseq_t based reporting.
Internal call to filemap_* functions are left as-is.

Signed-off-by: Jeff Layton <jlayton@...hat.com>
---
 fs/btrfs/super.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 4f1cdd5058f1..c99af09cd3e7 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -2184,7 +2184,7 @@ static struct file_system_type btrfs_fs_type = {
 	.name		= "btrfs",
 	.mount		= btrfs_mount,
 	.kill_sb	= btrfs_kill_super,
-	.fs_flags	= FS_REQUIRES_DEV | FS_BINARY_MOUNTDATA,
+	.fs_flags	= FS_REQUIRES_DEV | FS_BINARY_MOUNTDATA | FS_WB_ERRSEQ,
 };
 MODULE_ALIAS_FS("btrfs");
 
-- 
2.13.0