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MFC r278619: Make WRITE SAME commands respect physical block size.
authormav <mav@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
Thu, 19 Feb 2015 13:06:38 +0000 (13:06 +0000)
committermav <mav@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
Thu, 19 Feb 2015 13:06:38 +0000 (13:06 +0000)
commitbde8b6e3ee817b9a3e6893056750fb04480cf86c
tree0d047b9a3b91ec7ad3bf881a34256dc7e52a5af2tree | snapshot
parentc3a4071027630044da0c8299921b405d751ba133commit | diff
MFC r278619: Make WRITE SAME commands respect physical block size.

This change by 2-3 times improves performance of misaligned WRITE SAME
commands by avoiding unneeded read-modify-write cycles inside ZFS.

git-svn-id: svn://svn.freebsd.org/base/stable/10@278999 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
sys/cam/ctl/ctl_backend_block.c diff | blob | history
10-STABLE