Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx> --- block/blk-core.c | 5 +++-- include/linux/blk_types.h | 2 +- 2 files changed, 4 insertions(+), 3 deletions(-) diff --git a/block/blk-core.c b/block/blk-core.c index f61460b65408..1be49be9fac4 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -514,10 +514,11 @@ static inline void bio_check_ro(struct bio *bio) if (op_is_flush(bio->bi_opf) && !bio_sectors(bio)) return; - if (bio->bi_bdev->bd_ro_warned) + if (bdev_test_flag(bio->bi_bdev, BD_RO_WARNED)) return; - bio->bi_bdev->bd_ro_warned = true; + bdev_set_flag(bio->bi_bdev, BD_RO_WARNED); + /* * Use ioctl to set underlying disk of raid/dm to read-only * will trigger this. diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h index 11b9e8eeb79f..4e0c8785090c 100644 --- a/include/linux/blk_types.h +++ b/include/linux/blk_types.h @@ -50,6 +50,7 @@ struct block_device { #define BD_READ_ONLY (1u<<8) // read-only policy #define BD_WRITE_HOLDER (1u<<9) #define BD_HAS_SUBMIT_BIO (1u<<10) +#define BD_RO_WARNED (1u<<11) dev_t bd_dev; struct inode *bd_inode; /* will die */ @@ -69,7 +70,6 @@ struct block_device { #ifdef CONFIG_FAIL_MAKE_REQUEST bool bd_make_it_fail; #endif - bool bd_ro_warned; int bd_writers; /* * keep this out-of-line as it's both big and not needed in the fast -- 2.39.2