Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx> --- block/bdev.c | 9 +++++---- include/linux/blk_types.h | 2 +- 2 files changed, 6 insertions(+), 5 deletions(-) diff --git a/block/bdev.c b/block/bdev.c index 0c55f7abaac3..24c1dd6de8a9 100644 --- a/block/bdev.c +++ b/block/bdev.c @@ -624,7 +624,7 @@ static void bd_end_claim(struct block_device *bdev, void *holder) bdev->bd_holder = NULL; bdev->bd_holder_ops = NULL; mutex_unlock(&bdev->bd_holder_lock); - if (bdev->bd_write_holder) + if (bdev_test_flag(bdev, BD_WRITE_HOLDER)) unblock = true; } if (!whole->bd_holders) @@ -640,7 +640,7 @@ static void bd_end_claim(struct block_device *bdev, void *holder) */ if (unblock) { disk_unblock_events(bdev->bd_disk); - bdev->bd_write_holder = false; + bdev_clear_flag(bdev, BD_WRITE_HOLDER); } } @@ -892,9 +892,10 @@ int bdev_open(struct block_device *bdev, blk_mode_t mode, void *holder, * writeable reference is too fragile given the way @mode is * used in blkdev_get/put(). */ - if ((mode & BLK_OPEN_WRITE) && !bdev->bd_write_holder && + if ((mode & BLK_OPEN_WRITE) && + !bdev_test_flag(bdev, BD_WRITE_HOLDER) && (disk->event_flags & DISK_EVENT_FLAG_BLOCK_ON_EXCL_WRITE)) { - bdev->bd_write_holder = true; + bdev_set_flag(bdev, BD_WRITE_HOLDER); unblock_events = false; } } diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h index 1aa41b651614..8a336053b5fa 100644 --- a/include/linux/blk_types.h +++ b/include/linux/blk_types.h @@ -46,7 +46,6 @@ struct block_device { struct disk_stats __percpu *bd_stats; unsigned long bd_stamp; u32 __bd_flags; // partition number + flags - bool bd_write_holder; bool bd_has_submit_bio; dev_t bd_dev; struct inode *bd_inode; /* will die */ @@ -87,6 +86,7 @@ struct block_device { enum { BD_READ_ONLY, // read-only policy + BD_WRITE_HOLDER, }; /* -- 2.39.2