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authorLars Ellenberg <Lars.Ellenberg@linbit.com>2007-01-11 02:15:37 -0500
committerLinus Torvalds <torvalds@woody.osdl.org>2007-01-11 21:18:21 -0500
commite3881a6816b45668df60a426e5c3431ece1539a7 (patch)
tree617032a76e25e7167b95ebe4c4a6c90ee301c4c6 /drivers/kvm
parent664c0d3d575946bce24ecf5b7f93ee9541e4caf3 (diff)
[PATCH] md: pass down BIO_RW_SYNC in raid{1,10}
md raidX make_request functions strip off the BIO_RW_SYNC flag, thus introducing additional latency. Fixing this in raid1 and raid10 seems to be straightforward enough. For our particular usage case in DRBD, passing this flag improved some initialization time from ~5 minutes to ~5 seconds. Acked-by: NeilBrown <neilb@suse.de> Signed-off-by: Lars Ellenberg <lars@linbit.com> Acked-by: Jens Axboe <jens.axboe@oracle.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/kvm')
0 files changed, 0 insertions, 0 deletions