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crucible: extentwalker: add compressed() and bytenr() methods

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Also use C++11 syntax for construction.

Signed-off-by: Zygo Blaxell <bees@furryterror.org>
This commit is contained in:
Zygo Blaxell
2017-01-11 20:58:01 -05:00
parent 845267821c
commit ffe2a767d3
2 changed files with 22 additions and 19 deletions
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23
lib/extentwalker.cc
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@ -79,17 +79,6 @@ namespace crucible {
<< "] }";
}
Extent::Extent() :
m_begin(0),
m_end(0),
m_physical(0),
m_flags(0),
m_physical_len(0),
m_logical_len(0),
m_offset(0)
{
}
Extent::operator bool() const
{
THROW_CHECK2(invalid_argument, m_begin, m_end, m_end >= m_begin);
@ -109,6 +98,18 @@ namespace crucible {
return m_begin == that.m_begin && m_end == that.m_end && m_physical == that.m_physical && m_flags == that.m_flags;
}
bool
Extent::compressed() const
{
return m_flags & FIEMAP_EXTENT_ENCODED;
}
uint64_t
Extent::bytenr() const
{
return compressed() ? m_physical : m_physical - m_offset;
}
ExtentWalker::ExtentWalker(Fd fd) :
m_fd(fd),
m_current(m_extents.begin())