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| author | Mikulas Patocka <mpatocka@redhat.com> | 2012-12-21 20:23:41 +0000 |
|---|---|---|
| committer | Alasdair G Kergon <agk@redhat.com> | 2012-12-21 20:23:41 +0000 |
| commit | ee18026ac69efba804144541171299efd41747d2 (patch) | |
| tree | 8e6e9e85114a6b6568b8325aca750428150d4b95 /README | |
| parent | 59c3d2c6a12ff580b2c19c3925af4f4552639f8a (diff) | |
| download | linux-ee18026ac69efba804144541171299efd41747d2.tar.bz2 | |
dm snapshot: do not use map_context
Eliminate struct map_info from dm-snap.
map_info->ptr was used in dm-snap to indicate if the bio was tracked.
If map_info->ptr was non-NULL, the bio was linked in tracked_chunk_hash.
This patch removes the use of map_info->ptr. We determine if the bio was
tracked based on hlist_unhashed(&c->node). If hlist_unhashed is true,
the bio is not tracked, if it is false, the bio is tracked.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Diffstat (limited to 'README')
0 files changed, 0 insertions, 0 deletions