pr_reserve 341 block/ioctl.c if (!ops || !ops->pr_reserve) pr_reserve 348 block/ioctl.c return ops->pr_reserve(bdev, rsv.key, rsv.type, rsv.flags); pr_reserve 3131 drivers/md/dm.c if (ops && ops->pr_reserve) pr_reserve 3132 drivers/md/dm.c r = ops->pr_reserve(bdev, key, type, flags); pr_reserve 3203 drivers/md/dm.c .pr_reserve = dm_pr_reserve, pr_reserve 2006 drivers/nvme/host/core.c .pr_reserve = nvme_pr_reserve, pr_reserve 1811 drivers/scsi/sd.c .pr_reserve = sd_pr_reserve, pr_reserve 368 fs/nfsd/blocklayout.c error = ops->pr_reserve(sb->s_bdev, NFSD_MDS_PR_KEY, pr_reserve 10 include/linux/pr.h int (*pr_reserve)(struct block_device *bdev, u64 key,