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From: Ming Lei <ming.lei@redhat.com>
To: Jens Axboe <axboe@kernel.dk>
Cc: linux-block@vger.kernel.org, Christoph Hellwig <hch@lst.de>,
	Ming Lei <ming.lei@redhat.com>, Ewan Milne <emilne@redhat.com>
Subject: [PATCH V2 2/4] block: store partition flags into block_device
Date: Wed, 24 Feb 2021 11:58:28 +0800	[thread overview]
Message-ID: <20210224035830.990123-3-ming.lei@redhat.com> (raw)
In-Reply-To: <20210224035830.990123-1-ming.lei@redhat.com>

Prepare for checking if partition is changed.

Cc: Ewan Milne <emilne@redhat.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
---
 block/partitions/core.c   | 1 +
 include/linux/blk_types.h | 1 +
 2 files changed, 2 insertions(+)

diff --git a/block/partitions/core.c b/block/partitions/core.c
index 430ff7863556..07981f663f66 100644
--- a/block/partitions/core.c
+++ b/block/partitions/core.c
@@ -352,6 +352,7 @@ static struct block_device *add_partition(struct gendisk *disk, int partno,
 
 	bdev->bd_start_sect = start;
 	bdev_set_nr_sectors(bdev, len);
+	bdev->bd_part_flags = flags;
 
 	if (info) {
 		err = -ENOMEM;
diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h
index db026b6ec15a..4d43b80cb9e9 100644
--- a/include/linux/blk_types.h
+++ b/include/linux/blk_types.h
@@ -40,6 +40,7 @@ struct block_device {
 #endif
 	struct kobject		*bd_holder_dir;
 	u8			bd_partno;
+	u8			bd_part_flags;
 	/* number of times partitions within this device have been opened. */
 	unsigned		bd_part_count;
 
-- 
2.29.2


  parent reply	other threads:[~2021-02-24  4:00 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-24  3:58 [PATCH V2 0/3] block: avoid to drop & re-add partitions if partitions aren't changed Ming Lei
2021-02-24  3:58 ` [PATCH V2 1/4] block: define parsed_partitions.flags as 'unsigned char' Ming Lei
2021-02-24  4:32   ` Chaitanya Kulkarni
2021-02-24  3:58 ` Ming Lei [this message]
2021-02-24  3:58 ` [PATCH V2 3/4] block: re-organize blk_add_partitions Ming Lei
2021-02-24  3:58 ` [PATCH V2 4/4] block: avoid to drop & re-add partitions if partitions aren't changed Ming Lei
2021-02-24  8:18 ` [PATCH V2 0/3] " Christoph Hellwig
2021-02-24 11:23   ` Ming Lei
2021-02-24 16:14     ` Christoph Hellwig

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