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(parent: 909cc4f) | patch
dm log userspace: group clear and mark requests
authorJonathan Brassow <jbrassow@redhat.com>
Thu, 13 Jan 2011 19:59:51 +0000 (19:59 +0000)
committerAlasdair G Kergon <agk@redhat.com>
Thu, 13 Jan 2011 19:59:51 +0000 (19:59 +0000)
commit085ae0651b2791f3a430ddb76da92925b9952e13
tree8d15e4fed61628e285f7c22956f77319e5e839d5tree | snapshot
parent909cc4fb48dd9870f6ebe4bd32cfbe37c102df62commit | diff
dm log userspace: group clear and mark requests

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>
drivers/md/dm-log-userspace-base.c diff | blob | history
Linux for Marvell Sheeva based platforms