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fs: do not emulate extent-same by clone

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It is not possible to emulate extent-same by clone in a safe way.
EXTENT_SAME has been supported in btrfs since kernel 3.13, which
is much too old to contemplate running bees on.

Remove this dangerous and unused function.

Signed-off-by: Zygo Blaxell <bees@furryterror.org>
This commit is contained in:
Zygo Blaxell
2019-06-10 22:06:44 -04:00
parent e3747320cf
commit 87e8a21c41
2 changed files with 0 additions and 50 deletions
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5
include/crucible/fs.h
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@ -39,11 +39,6 @@ namespace crucible {
vector<BtrfsExtentInfo> m_info;
};
struct BtrfsExtentSameByClone : public BtrfsExtentSame {
using BtrfsExtentSame::BtrfsExtentSame;
void do_ioctl() override;
};
ostream & operator<<(ostream &os, const btrfs_ioctl_same_extent_info *info);
ostream & operator<<(ostream &os, const btrfs_ioctl_same_args *info);
ostream & operator<<(ostream &os, const BtrfsExtentSame &bes);