Date: Fri, 21 Mar 2008 12:38:44 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org Subject: cvs commit: src/sys/kern vfs_bio.c Message-ID: <200803211238.m2LCcjhx006887@repoman.freebsd.org>
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kib 2008-03-21 12:38:44 UTC
FreeBSD src repository
Modified files:
sys/kern vfs_bio.c
Log:
Reduce contention on the vnode interlock by not acquiring the BO_LOCK
around the check for the BV_BKGRDINPROG in the brelse() and bqrelse().
See the comment for the explanation why it is safe.
Tested by: pho
Submitted by: jeff
Revision Changes Path
1.540 +10 -12 src/sys/kern/vfs_bio.c
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