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[v2,01/11] block: widen BlockLimits.zone_size to uint64_t

Message ID 20260902194423.759355-2-cassel@kernel.org
State New
Headers show
Series block: fix the zone write granularity and the zone append limit | expand

Commit Message

Niklas Cassel Sept. 2, 2026, 7:44 p.m. UTC 
From: Sam Li <faithilikerun@gmail.com>

The zone-size field in BlockLimits is currently uint32_t, capping
expressible zone sizes at 4 GiB. Real zoned-device protocols
like NVMe ZNS allow larger zones. Widen BlockLimits.zone_size to
uint64_t to match.

Signed-off-by: Sam Li <faithilikerun@gmail.com>
Reviewed-by: Niklas Cassel <cassel@kernel.org>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Signed-off-by: Niklas Cassel <cassel@kernel.org>
---
 block/file-posix.c               | 2 +-
 include/block/block_int-common.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/block/file-posix.c b/block/file-posix.c
index 9aad156aad..c0d6ee30e4 100644
--- a/block/file-posix.c
+++ b/block/file-posix.c
@@ -3598,7 +3598,7 @@  raw_co_zone_append(BlockDriverState *bs,
 
     if (*offset & zone_size_mask) {
         error_report("sector offset %" PRId64 " is not aligned to zone size "
-                     "%" PRId32 "", *offset / 512, bs->bl.zone_size / 512);
+                     "%" PRId64 "", *offset / 512, bs->bl.zone_size / 512);
         return -EINVAL;
     }
 
diff --git a/include/block/block_int-common.h b/include/block/block_int-common.h
index 147c08155f..7571ed9968 100644
--- a/include/block/block_int-common.h
+++ b/include/block/block_int-common.h
@@ -901,7 +901,7 @@  typedef struct BlockLimits {
     BlockZoneModel zoned;
 
     /* zone size expressed in bytes */
-    uint32_t zone_size;
+    uint64_t zone_size;
 
     /* total number of zones */
     uint32_t nr_zones;