Get a zoned block device total number of zones. The device can be a partition of the whole device. The number of zones is always 0 for regular block devices.
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| @@ -142,5 +142,6 @@ struct blk_zone_range { · 141 unmodified lines | ||
| 142 | 142 | #define BLKREPORTZONE _IOWR(0x12, 130, struct blk_zone_report) |
| 143 | 143 | #define BLKRESETZONE _IOW(0x12, 131, struct blk_zone_range) |
| 144 | 144 | #define BLKGETZONESZ _IOW(0x12, 132, __u32) |
| 145 | +#define BLKGETNRZONES _IOW(0x12, 133, __u32) | |
| 145 | 146 | |
| 146 | 147 | #endif /* _UAPI_BLKZONED_H */ |