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2009 Dec 17
0
[PATCH] Btrfs: set a incompat flag when setting default subvol
...0ULL #define BTRFS_FEATURE_INCOMPAT_SUPP \ - BTRFS_FEATURE_INCOMPAT_MIXED_BACKREF + (BTRFS_FEATURE_INCOMPAT_MIXED_BACKREF | \ + BTRFS_FEATURE_INCOMPAT_DEFAULT_SUBVOL) /* * A leaf is full of items. offset and size tell us where to find diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 81d8378..9070b86 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -1563,6 +1563,8 @@ static long btrfs_ioctl_default_subvol(struct file *file, void __user *argp) struct btrfs_path *path; struct btrfs_key location; struct btrfs_disk_key disk_key; + struct btrfs_super_block *disk_super; + u64 fe...