diff options
Diffstat (limited to 'fs/block_dev.c')
| -rw-r--r-- | fs/block_dev.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/fs/block_dev.c b/fs/block_dev.c index e094806c3a0c..43dce929e7ee 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -1234,7 +1234,7 @@ void bd_unlink_disk_holder(struct block_device *bdev, struct gendisk *disk) EXPORT_SYMBOL_GPL(bd_unlink_disk_holder); #endif -static void __blkdev_put(struct block_device *bdev, fmode_t mode, int for_part); +static void __blkdev_put(struct block_device *bdev, fmode_t mode); int bdev_disk_changed(struct block_device *bdev, bool invalidate) { @@ -1329,12 +1329,12 @@ static int blkdev_get_part(struct block_device *part, fmode_t mode) ret = blkdev_get_whole(whole, mode); if (ret) goto out_put_whole; - whole->bd_part_count++; ret = -ENXIO; if (!bdev_nr_sectors(part)) goto out_blkdev_put; + whole->bd_part_count++; set_init_blocksize(part); if (part->bd_bdi == &noop_backing_dev_info) part->bd_bdi = bdi_get(disk->queue->backing_dev_info); @@ -1343,7 +1343,7 @@ done: return 0; out_blkdev_put: - __blkdev_put(whole, mode, 1); + __blkdev_put(whole, mode); out_put_whole: bdput(whole); return ret; @@ -1542,14 +1542,11 @@ static int blkdev_open(struct inode * inode, struct file * filp) return 0; } -static void __blkdev_put(struct block_device *bdev, fmode_t mode, int for_part) +static void __blkdev_put(struct block_device *bdev, fmode_t mode) { struct gendisk *disk = bdev->bd_disk; struct block_device *victim = NULL; - if (for_part) - bdev->bd_part_count--; - if (!--bdev->bd_openers) { WARN_ON_ONCE(bdev->bd_holders); sync_blockdev(bdev); @@ -1562,7 +1559,8 @@ static void __blkdev_put(struct block_device *bdev, fmode_t mode, int for_part) if (!bdev_is_partition(bdev) && disk->fops->release) disk->fops->release(disk, mode); if (victim) { - __blkdev_put(victim, mode, 1); + victim->bd_part_count--; + __blkdev_put(victim, mode); bdput(victim); } } @@ -1620,7 +1618,7 @@ void blkdev_put(struct block_device *bdev, fmode_t mode) */ disk_flush_events(disk, DISK_EVENT_MEDIA_CHANGE); - __blkdev_put(bdev, mode, 0); + __blkdev_put(bdev, mode); mutex_unlock(&disk->open_mutex); blkdev_put_no_open(bdev); |