diff --git a/lib/bdev/aio/blockdev_aio.c b/lib/bdev/aio/blockdev_aio.c
index e259f9f3b..b871e5300 100644
--- a/lib/bdev/aio/blockdev_aio.c
+++ b/lib/bdev/aio/blockdev_aio.c
@@ -99,7 +99,7 @@ blockdev_aio_close(struct file_disk *disk)
 
 static int64_t
 blockdev_aio_read(struct file_disk *fdisk, struct spdk_io_channel *ch,
-		  struct blockdev_aio_task *aio_task, void *buf, uint64_t nbytes, off_t offset)
+		  struct blockdev_aio_task *aio_task, void *buf, uint64_t nbytes, uint64_t offset)
 {
 	struct iocb *iocb = &aio_task->iocb;
 	struct blockdev_aio_io_channel *aio_ch = spdk_io_channel_get_ctx(ch);
@@ -129,7 +129,7 @@ blockdev_aio_read(struct file_disk *fdisk, struct spdk_io_channel *ch,
 static int64_t
 blockdev_aio_writev(struct file_disk *fdisk, struct spdk_io_channel *ch,
 		    struct blockdev_aio_task *aio_task,
-		    struct iovec *iov, int iovcnt, size_t len, off_t offset)
+		    struct iovec *iov, int iovcnt, size_t len, uint64_t offset)
 {
 	struct iocb *iocb = &aio_task->iocb;
 	struct blockdev_aio_io_channel *aio_ch = spdk_io_channel_get_ctx(ch);
diff --git a/lib/bdev/malloc/blockdev_malloc.c b/lib/bdev/malloc/blockdev_malloc.c
index da70e0f71..0237d0e6b 100644
--- a/lib/bdev/malloc/blockdev_malloc.c
+++ b/lib/bdev/malloc/blockdev_malloc.c
@@ -123,7 +123,7 @@ blockdev_malloc_destruct(struct spdk_bdev *bdev)
 static int64_t
 blockdev_malloc_read(struct malloc_disk *mdisk, struct spdk_io_channel *ch,
 		     struct copy_task *copy_req,
-		     void *buf, uint64_t nbytes, off_t offset)
+		     void *buf, uint64_t nbytes, uint64_t offset)
 {
 	SPDK_TRACELOG(SPDK_TRACE_MALLOC, "read %lu bytes from offset %#lx to %p\n",
 		      nbytes, offset, buf);
@@ -135,7 +135,7 @@ blockdev_malloc_read(struct malloc_disk *mdisk, struct spdk_io_channel *ch,
 static int64_t
 blockdev_malloc_writev(struct malloc_disk *mdisk, struct spdk_io_channel *ch,
 		       struct copy_task *copy_req,
-		       struct iovec *iov, int iovcnt, size_t len, off_t offset)
+		       struct iovec *iov, int iovcnt, size_t len, uint64_t offset)
 {
 	if ((iovcnt != 1) || (iov->iov_len != len))
 		return -1;
diff --git a/lib/bdev/nvme/blockdev_nvme.c b/lib/bdev/nvme/blockdev_nvme.c
index 7c236f2be..16633ecbc 100644
--- a/lib/bdev/nvme/blockdev_nvme.c
+++ b/lib/bdev/nvme/blockdev_nvme.c
@@ -139,7 +139,7 @@ SPDK_BDEV_MODULE_REGISTER(nvme_library_init, NULL, blockdev_nvme_get_spdk_runnin
 static int64_t
 blockdev_nvme_read(struct nvme_blockdev *nbdev, struct spdk_io_channel *ch,
 		   struct nvme_blockio *bio,
-		   void *buf, uint64_t nbytes, off_t offset)
+		   void *buf, uint64_t nbytes, uint64_t offset)
 {
 	struct nvme_io_channel *nvme_ch = spdk_io_channel_get_ctx(ch);
 	int64_t rc;
@@ -157,7 +157,7 @@ blockdev_nvme_read(struct nvme_blockdev *nbdev, struct spdk_io_channel *ch,
 static int64_t
 blockdev_nvme_writev(struct nvme_blockdev *nbdev, struct spdk_io_channel *ch,
 		     struct nvme_blockio *bio,
-		     struct iovec *iov, int iovcnt, size_t len, off_t offset)
+		     struct iovec *iov, int iovcnt, size_t len, uint64_t offset)
 {
 	struct nvme_io_channel *nvme_ch = spdk_io_channel_get_ctx(ch);
 	int64_t rc;