From: Darrick J. Wong Date: Mon, 29 Jul 2024 23:22:59 +0000 (-0700) Subject: xfs: fix direction in XFS_IOC_EXCHANGE_RANGE X-Git-Tag: v6.10.0~24^2 X-Git-Url: http://git.apps.os.sepia.ceph.com/?a=commitdiff_plain;h=7fbf8e036dc1d5b9caaf6f64ad4bc88d40c8292b;p=xfsprogs-dev.git xfs: fix direction in XFS_IOC_EXCHANGE_RANGE Source kernel commit: dc5e1cbae270b625dcb978f8ea762eb16a93a016 The kernel reads userspace's buffer but does not write it back. Therefore this is really an _IOW ioctl. Change this before 6.10 final releases. Signed-off-by: Darrick J. Wong Reviewed-by: Christoph Hellwig Signed-off-by: Chandan Babu R --- diff --git a/libxfs/xfs_fs.h b/libxfs/xfs_fs.h index 97996cb79..454b63ef7 100644 --- a/libxfs/xfs_fs.h +++ b/libxfs/xfs_fs.h @@ -996,7 +996,7 @@ struct xfs_getparents_by_handle { #define XFS_IOC_FSGEOMETRY _IOR ('X', 126, struct xfs_fsop_geom) #define XFS_IOC_BULKSTAT _IOR ('X', 127, struct xfs_bulkstat_req) #define XFS_IOC_INUMBERS _IOR ('X', 128, struct xfs_inumbers_req) -#define XFS_IOC_EXCHANGE_RANGE _IOWR('X', 129, struct xfs_exchange_range) +#define XFS_IOC_EXCHANGE_RANGE _IOW ('X', 129, struct xfs_exchange_range) /* XFS_IOC_GETFSUUID ---------- deprecated 140 */