Date: Wed, 16 Dec 2015 00:13:16 +0000 (UTC) From: Adrian Chadd <adrian@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r292299 - head/sys/kern Message-ID: <201512160013.tBG0DGhd048910@repo.freebsd.org>
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Author: adrian Date: Wed Dec 16 00:13:16 2015 New Revision: 292299 URL: https://svnweb.freebsd.org/changeset/base/292299 Log: Don't call wakeup if we're just returning reserved space; just return the reservation and wait for more space to appear. Submitted by: jeff Reviewed by: kib Modified: head/sys/kern/vfs_bio.c Modified: head/sys/kern/vfs_bio.c ============================================================================== --- head/sys/kern/vfs_bio.c Wed Dec 16 00:09:57 2015 (r292298) +++ head/sys/kern/vfs_bio.c Wed Dec 16 00:13:16 2015 (r292299) @@ -2909,7 +2909,7 @@ getnewbuf(struct vnode *vp, int slpflag, } while(buf_scan(false) == 0); if (reserved) - bufspace_release(maxsize); + atomic_subtract_long(&bufspace, maxsize); if (bp != NULL) { bp->b_flags |= B_INVAL; brelse(bp);
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