[dm-devel] [PATCH v3 0/3] dm: allow mempool and bioset reserves to be tuned

Mike Snitzer snitzer at redhat.com
Fri Sep 13 21:08:11 UTC 2013


You can pull these changes from the 'devel' branch of:
git://git.kernel.org/pub/scm/linux/kernel/git/snitzer/linux.git

To browse, see:
https://git.kernel.org/cgit/linux/kernel/git/snitzer/linux.git/log/?h=devel

v3 changes:
Added bounds checking (if 0 reset to default, if > 1024 reset to 1024)

v2 changes:
Simplified the implementation.  Dropped the peak_reserved_rq_based_ios
tracking, we'll use the tracepoint patch Jun'ichi Nomura suggested:
http://www.redhat.com/archives/dm-devel/2013-September/msg00048.html

Mike Snitzer (3):
  dm: lower bio-based mempool reservation
  dm: add reserved_rq_based_ios module parameter
  dm: add reserved_bio_based_ios module parameter

 drivers/md/dm-io.c    |    7 ++---
 drivers/md/dm-mpath.c |    6 ++--
 drivers/md/dm.c       |   60 +++++++++++++++++++++++++++++++++++++++++++++---
 drivers/md/dm.h       |    3 ++
 4 files changed, 65 insertions(+), 11 deletions(-)




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