diff options
Diffstat (limited to 'block')
| -rw-r--r-- | block/iscsi.c | 6 | ||||
| -rw-r--r-- | block/qcow2-cluster.c | 11 | ||||
| -rw-r--r-- | block/qcow2-refcount.c | 8 | ||||
| -rw-r--r-- | block/vhdx.c | 10 |
4 files changed, 25 insertions, 10 deletions
diff --git a/block/iscsi.c b/block/iscsi.c index 6152ef1891..a2a961e163 100644 --- a/block/iscsi.c +++ b/block/iscsi.c @@ -811,7 +811,7 @@ iscsi_getlength(BlockDriverState *bs) return len; } -#if defined(SCSI_PROVISIONING_TYPE_DEALLOCATED) +#if defined(LIBISCSI_FEATURE_IOVECTOR) static int64_t coroutine_fn iscsi_co_get_block_status(BlockDriverState *bs, int64_t sector_num, @@ -903,7 +903,7 @@ out: return ret; } -#endif /* SCSI_PROVISIONING_TYPE_DEALLOCATED */ +#endif /* LIBISCSI_FEATURE_IOVECTOR */ static int coroutine_fn iscsi_co_discard(BlockDriverState *bs, int64_t sector_num, @@ -1529,7 +1529,7 @@ static BlockDriver bdrv_iscsi = { .bdrv_getlength = iscsi_getlength, .bdrv_truncate = iscsi_truncate, -#if defined(SCSI_PROVISIONING_TYPE_DEALLOCATED) +#if defined(LIBISCSI_FEATURE_IOVECTOR) .bdrv_co_get_block_status = iscsi_co_get_block_status, #endif .bdrv_co_discard = iscsi_co_discard, diff --git a/block/qcow2-cluster.c b/block/qcow2-cluster.c index 39323ace38..0fd26bb4cc 100644 --- a/block/qcow2-cluster.c +++ b/block/qcow2-cluster.c @@ -35,6 +35,7 @@ int qcow2_grow_l1_table(BlockDriverState *bs, uint64_t min_size, BDRVQcowState *s = bs->opaque; int new_l1_size2, ret, i; uint64_t *new_l1_table; + int64_t old_l1_table_offset, old_l1_size; int64_t new_l1_table_offset, new_l1_size; uint8_t data[12]; @@ -106,11 +107,13 @@ int qcow2_grow_l1_table(BlockDriverState *bs, uint64_t min_size, goto fail; } g_free(s->l1_table); - qcow2_free_clusters(bs, s->l1_table_offset, s->l1_size * sizeof(uint64_t), - QCOW2_DISCARD_OTHER); + old_l1_table_offset = s->l1_table_offset; s->l1_table_offset = new_l1_table_offset; s->l1_table = new_l1_table; + old_l1_size = s->l1_size; s->l1_size = new_l1_size; + qcow2_free_clusters(bs, old_l1_table_offset, old_l1_size * sizeof(uint64_t), + QCOW2_DISCARD_OTHER); return 0; fail: g_free(new_l1_table); @@ -270,6 +273,10 @@ fail: qcow2_cache_put(bs, s->l2_table_cache, (void**) table); } s->l1_table[l1_index] = old_l2_offset; + if (l2_offset > 0) { + qcow2_free_clusters(bs, l2_offset, s->l2_size * sizeof(uint64_t), + QCOW2_DISCARD_ALWAYS); + } return ret; } diff --git a/block/qcow2-refcount.c b/block/qcow2-refcount.c index d2b7064a02..2d67885850 100644 --- a/block/qcow2-refcount.c +++ b/block/qcow2-refcount.c @@ -1034,7 +1034,6 @@ static void inc_refcounts(BlockDriverState *bs, /* Flags for check_refcounts_l1() and check_refcounts_l2() */ enum { - CHECK_OFLAG_COPIED = 0x1, /* check QCOW_OFLAG_COPIED matches refcount */ CHECK_FRAG_INFO = 0x2, /* update BlockFragInfo counters */ }; @@ -1481,8 +1480,7 @@ int qcow2_check_refcounts(BlockDriverState *bs, BdrvCheckResult *res, /* current L1 table */ ret = check_refcounts_l1(bs, res, refcount_table, nb_clusters, - s->l1_table_offset, s->l1_size, - CHECK_OFLAG_COPIED | CHECK_FRAG_INFO); + s->l1_table_offset, s->l1_size, CHECK_FRAG_INFO); if (ret < 0) { goto fail; } @@ -1733,8 +1731,8 @@ int qcow2_check_metadata_overlap(BlockDriverState *bs, int chk, int64_t offset, } for (j = 0; j < l1_sz; j++) { - if ((l1[j] & L1E_OFFSET_MASK) && - overlaps_with(l1[j] & L1E_OFFSET_MASK, s->cluster_size)) { + uint64_t l2_ofs = be64_to_cpu(l1[j]) & L1E_OFFSET_MASK; + if (l2_ofs && overlaps_with(l2_ofs, s->cluster_size)) { g_free(l1); return QCOW2_OL_INACTIVE_L2; } diff --git a/block/vhdx.c b/block/vhdx.c index b8aa49ce4e..6cb04122bb 100644 --- a/block/vhdx.c +++ b/block/vhdx.c @@ -20,6 +20,7 @@ #include "qemu/module.h" #include "qemu/crc32c.h" #include "block/vhdx.h" +#include "migration/migration.h" /* Several metadata and region table data entries are identified by @@ -159,6 +160,7 @@ typedef struct BDRVVHDXState { VHDXParentLocatorHeader parent_header; VHDXParentLocatorEntry *parent_entries; + Error *migration_blocker; } BDRVVHDXState; uint32_t vhdx_checksum_calc(uint32_t crc, uint8_t *buf, size_t size, @@ -806,6 +808,12 @@ static int vhdx_open(BlockDriverState *bs, QDict *options, int flags, /* TODO: differencing files, write */ + /* Disable migration when VHDX images are used */ + error_set(&s->migration_blocker, + QERR_BLOCK_FORMAT_FEATURE_NOT_SUPPORTED, + "vhdx", bs->device_name, "live migration"); + migrate_add_blocker(s->migration_blocker); + return 0; fail: qemu_vfree(s->headers[0]); @@ -952,6 +960,8 @@ static void vhdx_close(BlockDriverState *bs) qemu_vfree(s->headers[1]); qemu_vfree(s->bat); qemu_vfree(s->parent_entries); + migrate_del_blocker(s->migration_blocker); + error_free(s->migration_blocker); } static BlockDriver bdrv_vhdx = { |