dm log userspace: group clear and mark requests

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Allow the device-mapper log's 'mark' and 'clear' requests to be
grouped and processed in a batch.  This can significantly reduce the
amount of traffic going between the kernel and userspace (where the
processing daemon resides).

Signed-off-by: Jonathan Brassow <jbrassow@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>

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Jonathan Brassow 2011-01-13 19:59:51 +00:00 • committed by Alasdair G Kergon

parent 909cc4fb48

commit 085ae0651b

1 changed files with 79 additions and 23 deletions

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102

drivers/md/dm-log-userspace-base.c

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