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openSUSE:12.1
btrfsprogs
0108-Added-support-for-an-additional-ioctl.patch
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File 0108-Added-support-for-an-additional-ioctl.patch of Package btrfsprogs
From 5cfea320d7c0119589009cd445c8938be5db1d90 Mon Sep 17 00:00:00 2001 From: Andreas Philipp <philipp.andreas@gmail.com> Date: Tue, 26 Apr 2011 10:02:40 +0200 Subject: [PATCH 08/28] Added support for an additional ioctl. Added BTRFS_IOC_SNAP_CREATE_V2 and struct btrfs_ioctl_vol_args_v2 as defined in fs/btrfs/ioctl.h in the kernel sources. Signed-off-by: Andreas Philipp <philipp.andreas@gmail.com> Signed-off-by: Hugo Mills <hugo@carfax.org.uk> --- ioctl.h | 17 +++++++++++++++++ 1 files changed, 17 insertions(+), 0 deletions(-) diff --git a/ioctl.h b/ioctl.h index bb7b9e0..5aa288b 100644 --- a/ioctl.h +++ b/ioctl.h @@ -30,6 +30,20 @@ struct btrfs_ioctl_vol_args { char name[BTRFS_PATH_NAME_MAX + 1]; }; +#define BTRFS_SUBVOL_RDONLY (1ULL << 1) +#define BTRFS_SUBVOL_NAME_MAX 4039 + +struct btrfs_ioctl_vol_args_v2 { + __s64 fd; + __u64 transid; + __u64 flags; + __u64 unused[4]; + char name[BTRFS_SUBVOL_NAME_MAX + 1]; +}; + +#define BTRFS_FSID_SIZE 16 +#define BTRFS_UUID_SIZE 16 + struct btrfs_ioctl_search_key { /* which root are we searching. 0 is the tree of tree roots */ __u64 tree_id; @@ -139,6 +153,7 @@ struct btrfs_ioctl_space_args { struct btrfs_ioctl_space_info spaces[0]; }; +/* BTRFS_IOC_SNAP_CREATE is no longer used by the btrfs command */ #define BTRFS_IOC_SNAP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 1, \ struct btrfs_ioctl_vol_args) #define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2, \ @@ -176,4 +191,6 @@ struct btrfs_ioctl_space_args { #define BTRFS_IOC_DEFAULT_SUBVOL _IOW(BTRFS_IOCTL_MAGIC, 19, u64) #define BTRFS_IOC_SPACE_INFO _IOWR(BTRFS_IOCTL_MAGIC, 20, \ struct btrfs_ioctl_space_args) +#define BTRFS_IOC_SNAP_CREATE_V2 _IOW(BTRFS_IOCTL_MAGIC, 23, \ + struct btrfs_ioctl_vol_args_v2) #endif -- 1.7.5.2.353.g5df3e
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