block/rbd: bump librbd requirement to luminous release
Ceph Luminous (version 12.2.z) is almost 4 years old at this point. Bump the requirement to get rid of the ifdef'ry in the code. Qemu 6.1 dropped the support for RHEL-7 which was the last supported OS that required an older librbd. Signed-off-by: Peter Lieven <pl@kamp.de> Reviewed-by: Ilya Dryomov <idryomov@gmail.com> Message-Id: <20210702172356.11574-2-idryomov@gmail.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Peter Lieven
Kevin Wolf
parent
42e4ac9ef5
commit
48672ac058
120
block/rbd.c
120
block/rbd.c
@ -55,24 +55,10 @@
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* leading "\".
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*/
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/* rbd_aio_discard added in 0.1.2 */
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#if LIBRBD_VERSION_CODE >= LIBRBD_VERSION(0, 1, 2)
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#define LIBRBD_SUPPORTS_DISCARD
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#else
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#undef LIBRBD_SUPPORTS_DISCARD
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#endif
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#define OBJ_MAX_SIZE (1UL << OBJ_DEFAULT_OBJ_ORDER)
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#define RBD_MAX_SNAPS 100
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/* The LIBRBD_SUPPORTS_IOVEC is defined in librbd.h */
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#ifdef LIBRBD_SUPPORTS_IOVEC
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#define LIBRBD_USE_IOVEC 1
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#else
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#define LIBRBD_USE_IOVEC 0
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#endif
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#define RBD_ENCRYPTION_LUKS_HEADER_VERIFICATION_LEN 8
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static const char rbd_luks_header_verification[
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@ -96,7 +82,6 @@ typedef struct RBDAIOCB {
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BlockAIOCB common;
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int64_t ret;
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QEMUIOVector *qiov;
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char *bounce;
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RBDAIOCmd cmd;
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int error;
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struct BDRVRBDState *s;
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@ -106,7 +91,6 @@ typedef struct RADOSCB {
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RBDAIOCB *acb;
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struct BDRVRBDState *s;
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int64_t size;
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char *buf;
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int64_t ret;
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} RADOSCB;
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@ -354,13 +338,9 @@ static int qemu_rbd_set_keypairs(rados_t cluster, const char *keypairs_json,
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static void qemu_rbd_memset(RADOSCB *rcb, int64_t offs)
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{
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if (LIBRBD_USE_IOVEC) {
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RBDAIOCB *acb = rcb->acb;
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iov_memset(acb->qiov->iov, acb->qiov->niov, offs, 0,
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acb->qiov->size - offs);
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} else {
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memset(rcb->buf + offs, 0, rcb->size - offs);
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}
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RBDAIOCB *acb = rcb->acb;
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iov_memset(acb->qiov->iov, acb->qiov->niov, offs, 0,
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acb->qiov->size - offs);
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}
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#ifdef LIBRBD_SUPPORTS_ENCRYPTION
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@ -787,13 +767,6 @@ static void qemu_rbd_complete_aio(RADOSCB *rcb)
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g_free(rcb);
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if (!LIBRBD_USE_IOVEC) {
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if (acb->cmd == RBD_AIO_READ) {
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qemu_iovec_from_buf(acb->qiov, 0, acb->bounce, acb->qiov->size);
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}
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qemu_vfree(acb->bounce);
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}
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acb->common.cb(acb->common.opaque, (acb->ret > 0 ? 0 : acb->ret));
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qemu_aio_unref(acb);
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@ -1174,28 +1147,6 @@ static void rbd_finish_aiocb(rbd_completion_t c, RADOSCB *rcb)
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rbd_finish_bh, rcb);
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}
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static int rbd_aio_discard_wrapper(rbd_image_t image,
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uint64_t off,
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uint64_t len,
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rbd_completion_t comp)
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{
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#ifdef LIBRBD_SUPPORTS_DISCARD
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return rbd_aio_discard(image, off, len, comp);
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#else
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return -ENOTSUP;
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#endif
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}
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static int rbd_aio_flush_wrapper(rbd_image_t image,
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rbd_completion_t comp)
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{
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#ifdef LIBRBD_SUPPORTS_AIO_FLUSH
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return rbd_aio_flush(image, comp);
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#else
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return -ENOTSUP;
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#endif
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}
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static BlockAIOCB *rbd_start_aio(BlockDriverState *bs,
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int64_t off,
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QEMUIOVector *qiov,
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@ -1218,21 +1169,6 @@ static BlockAIOCB *rbd_start_aio(BlockDriverState *bs,
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rcb = g_new(RADOSCB, 1);
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if (!LIBRBD_USE_IOVEC) {
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if (cmd == RBD_AIO_DISCARD || cmd == RBD_AIO_FLUSH) {
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acb->bounce = NULL;
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} else {
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acb->bounce = qemu_try_blockalign(bs, qiov->size);
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if (acb->bounce == NULL) {
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goto failed;
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}
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}
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if (cmd == RBD_AIO_WRITE) {
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qemu_iovec_to_buf(acb->qiov, 0, acb->bounce, qiov->size);
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}
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rcb->buf = acb->bounce;
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}
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acb->ret = 0;
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acb->error = 0;
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acb->s = s;
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@ -1246,7 +1182,7 @@ static BlockAIOCB *rbd_start_aio(BlockDriverState *bs,
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}
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switch (cmd) {
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case RBD_AIO_WRITE: {
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case RBD_AIO_WRITE:
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/*
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* RBD APIs don't allow us to write more than actual size, so in order
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* to support growing images, we resize the image before write
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@ -1258,25 +1194,16 @@ static BlockAIOCB *rbd_start_aio(BlockDriverState *bs,
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goto failed_completion;
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}
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}
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#ifdef LIBRBD_SUPPORTS_IOVEC
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r = rbd_aio_writev(s->image, qiov->iov, qiov->niov, off, c);
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#else
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r = rbd_aio_write(s->image, off, size, rcb->buf, c);
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#endif
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r = rbd_aio_writev(s->image, qiov->iov, qiov->niov, off, c);
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break;
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}
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case RBD_AIO_READ:
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#ifdef LIBRBD_SUPPORTS_IOVEC
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r = rbd_aio_readv(s->image, qiov->iov, qiov->niov, off, c);
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#else
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r = rbd_aio_read(s->image, off, size, rcb->buf, c);
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#endif
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r = rbd_aio_readv(s->image, qiov->iov, qiov->niov, off, c);
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break;
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case RBD_AIO_DISCARD:
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r = rbd_aio_discard_wrapper(s->image, off, size, c);
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r = rbd_aio_discard(s->image, off, size, c);
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break;
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case RBD_AIO_FLUSH:
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r = rbd_aio_flush_wrapper(s->image, c);
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r = rbd_aio_flush(s->image, c);
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break;
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default:
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r = -EINVAL;
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@ -1291,9 +1218,6 @@ failed_completion:
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rbd_aio_release(c);
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failed:
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g_free(rcb);
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if (!LIBRBD_USE_IOVEC) {
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qemu_vfree(acb->bounce);
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}
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qemu_aio_unref(acb);
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return NULL;
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@ -1319,7 +1243,6 @@ static BlockAIOCB *qemu_rbd_aio_pwritev(BlockDriverState *bs,
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RBD_AIO_WRITE);
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}
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#ifdef LIBRBD_SUPPORTS_AIO_FLUSH
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static BlockAIOCB *qemu_rbd_aio_flush(BlockDriverState *bs,
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BlockCompletionFunc *cb,
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void *opaque)
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@ -1327,20 +1250,6 @@ static BlockAIOCB *qemu_rbd_aio_flush(BlockDriverState *bs,
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return rbd_start_aio(bs, 0, NULL, 0, cb, opaque, RBD_AIO_FLUSH);
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}
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#else
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static int qemu_rbd_co_flush(BlockDriverState *bs)
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{
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#if LIBRBD_VERSION_CODE >= LIBRBD_VERSION(0, 1, 1)
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/* rbd_flush added in 0.1.1 */
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BDRVRBDState *s = bs->opaque;
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return rbd_flush(s->image);
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#else
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return 0;
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#endif
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}
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#endif
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static int qemu_rbd_getinfo(BlockDriverState *bs, BlockDriverInfo *bdi)
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{
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BDRVRBDState *s = bs->opaque;
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@ -1546,7 +1455,6 @@ static int qemu_rbd_snap_list(BlockDriverState *bs,
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return snap_count;
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}
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#ifdef LIBRBD_SUPPORTS_DISCARD
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static BlockAIOCB *qemu_rbd_aio_pdiscard(BlockDriverState *bs,
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int64_t offset,
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int bytes,
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@ -1556,9 +1464,7 @@ static BlockAIOCB *qemu_rbd_aio_pdiscard(BlockDriverState *bs,
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return rbd_start_aio(bs, offset, NULL, bytes, cb, opaque,
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RBD_AIO_DISCARD);
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}
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#endif
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#ifdef LIBRBD_SUPPORTS_INVALIDATE
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static void coroutine_fn qemu_rbd_co_invalidate_cache(BlockDriverState *bs,
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Error **errp)
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{
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@ -1568,7 +1474,6 @@ static void coroutine_fn qemu_rbd_co_invalidate_cache(BlockDriverState *bs,
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error_setg_errno(errp, -r, "Failed to invalidate the cache");
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}
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}
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#endif
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static QemuOptsList qemu_rbd_create_opts = {
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.name = "rbd-create-opts",
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@ -1643,23 +1548,14 @@ static BlockDriver bdrv_rbd = {
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.bdrv_aio_preadv = qemu_rbd_aio_preadv,
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.bdrv_aio_pwritev = qemu_rbd_aio_pwritev,
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#ifdef LIBRBD_SUPPORTS_AIO_FLUSH
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.bdrv_aio_flush = qemu_rbd_aio_flush,
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#else
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.bdrv_co_flush_to_disk = qemu_rbd_co_flush,
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#endif
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#ifdef LIBRBD_SUPPORTS_DISCARD
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.bdrv_aio_pdiscard = qemu_rbd_aio_pdiscard,
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#endif
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.bdrv_snapshot_create = qemu_rbd_snap_create,
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.bdrv_snapshot_delete = qemu_rbd_snap_remove,
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.bdrv_snapshot_list = qemu_rbd_snap_list,
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.bdrv_snapshot_goto = qemu_rbd_snap_rollback,
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#ifdef LIBRBD_SUPPORTS_INVALIDATE
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.bdrv_co_invalidate_cache = qemu_rbd_co_invalidate_cache,
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#endif
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.strong_runtime_opts = qemu_rbd_strong_runtime_opts,
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};
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@ -710,13 +710,16 @@ if not get_option('rbd').auto() or have_block
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int main(void) {
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rados_t cluster;
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rados_create(&cluster, NULL);
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#if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
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#error
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#endif
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return 0;
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}''', dependencies: [librbd, librados])
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rbd = declare_dependency(dependencies: [librbd, librados])
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elif get_option('rbd').enabled()
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error('could not link librados')
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error('librbd >= 1.12.0 required')
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else
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warning('could not link librados, disabling')
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warning('librbd >= 1.12.0 not found, disabling')
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endif
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endif
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endif
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