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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Qu Wenruo <wqu@suse.com>,
        David Sterba <dsterba@suse.com>
Subject: [PATCH 4.4 100/162] btrfs: Remove btrfs_bio::flags member
Date:   Thu, 19 Dec 2019 19:33:28 +0100
Message-Id: <20191219183213.864044070@linuxfoundation.org>
In-Reply-To: <20191219183150.477687052@linuxfoundation.org>
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From: Qu Wenruo <wqu@suse.com>

commit 34b127aecd4fe8e6a3903e10f204a7b7ffddca22 upstream.

The last user of btrfs_bio::flags was removed in commit 326e1dbb5736
("block: remove management of bi_remaining when restoring original
bi_end_io"), remove it.

(Tagged for stable as the structure is heavily used and space savings
are desirable.)

CC: stable@vger.kernel.org # 4.4+
Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 fs/btrfs/volumes.h |    1 -
 1 file changed, 1 deletion(-)

--- a/fs/btrfs/volumes.h
+++ b/fs/btrfs/volumes.h
@@ -312,7 +312,6 @@ struct btrfs_bio {
 	u64 map_type; /* get from map_lookup->type */
 	bio_end_io_t *end_io;
 	struct bio *orig_bio;
-	unsigned long flags;
 	void *private;
 	atomic_t error;
 	int max_errors;