diff options
| author | Alasdair G Kergon <agk@redhat.com> | 2006-03-27 01:17:50 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-27 08:44:59 -0800 |
| commit | 138728dc96529f20dfe970c470e51885a60e329f (patch) | |
| tree | a0369a9de402cd8b9a123129c5e8ba7c69ba1a95 /drivers/md/dm.c | |
| parent | 969429b504ae866d3f8b1cafd68a2c099e305093 (diff) | |
[PATCH] dm snapshot: fix kcopyd destructor
Before removing a snapshot, wait for the completion of any kcopyd jobs using
it.
Do this by maintaining a count (nr_jobs) of how many outstanding jobs each
kcopyd_client has.
The snapshot destructor first unregisters the snapshot so that no new kcopyd
jobs (created by writes to the origin) will reference that particular
snapshot. kcopyd_client_destroy() is now run next to wait for the completion
of any outstanding jobs before the snapshot exception structures (that those
jobs reference) are freed.
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/md/dm.c')
0 files changed, 0 insertions, 0 deletions