Gui Hecheng
2014-Oct-16 01:53 UTC
[PATCH] btrfs: fix wrong pad for kernelspace arg of btrfs dev stat
The @btrfs_ioctl_get_dev_stats fails to pad to 1k as descripted,
actually it valuates to 1032 bytes.
The corresponding userspace change follows this change.
Signed-off-by: Gui Hecheng <guihc.fnst@cn.fujitsu.com>
---
include/uapi/linux/btrfs.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/uapi/linux/btrfs.h b/include/uapi/linux/btrfs.h
index 2f47824..fc4e326 100644
--- a/include/uapi/linux/btrfs.h
+++ b/include/uapi/linux/btrfs.h
@@ -416,7 +416,7 @@ struct btrfs_ioctl_get_dev_stats {
/* out values: */
__u64 values[BTRFS_DEV_STAT_VALUES_MAX];
- __u64 unused[128 - 2 - BTRFS_DEV_STAT_VALUES_MAX]; /* pad to 1k */
+ __u64 unused[128 - 3 - BTRFS_DEV_STAT_VALUES_MAX]; /* pad to 1k */
};
#define BTRFS_QUOTA_CTL_ENABLE 1
--
1.8.1.4
--
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