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fs: get rid of base class btrfs_ioctl_same_extent_info

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We only use BtrfsExtentInfo when it's exactly equivalent to the
base, so drop the derived class.

While we're here, fix BtrfsExtentSame::add so it uses a btrfs-compatible
uint64_t instead of an off_t.

Signed-off-by: Zygo Blaxell <bees@furryterror.org>
This commit is contained in:
Zygo Blaxell
2022-10-23 14:01:38 -04:00
parent ded5bf0148
commit cb2c20ccc9
2 changed files with 7 additions and 20 deletions
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8
include/crucible/fs.h
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@ -27,20 +27,16 @@ namespace crucible {
// wrapper around fallocate(...FALLOC_FL_PUNCH_HOLE...)
void punch_hole(int fd, off_t offset, off_t len);
struct BtrfsExtentInfo : public btrfs_ioctl_same_extent_info {
BtrfsExtentInfo(int dst_fd, off_t dst_offset);
};
struct BtrfsExtentSame {
virtual ~BtrfsExtentSame();
BtrfsExtentSame(int src_fd, off_t src_offset, off_t src_length);
void add(int fd, off_t offset);
void add(int fd, uint64_t offset);
virtual void do_ioctl();
uint64_t m_logical_offset = 0;
uint64_t m_length = 0;
int m_fd;
vector<BtrfsExtentInfo> m_info;
vector<btrfs_ioctl_same_extent_info> m_info;
};
ostream & operator<<(ostream &os, const btrfs_ioctl_same_extent_info *info);