Date: Thu, 20 Jun 2013 14:20:03 +0000 (UTC) From: Attilio Rao <attilio@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r252031 - user/attilio/vmobj-readlock/sys/cddl/contrib/opensolaris/uts/common/fs/zfs Message-ID: <201306201420.r5KEK3Gb045905@svn.freebsd.org>
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Author: attilio Date: Thu Jun 20 14:20:03 2013 New Revision: 252031 URL: http://svnweb.freebsd.org/changeset/base/252031 Log: Reinser VM_ALLOC_IGN_RBUSY type of sleeping on vm_page_grab() for mappedread_sf: the page is going to be acquired only in read busing. Sponsored by: EMC / Isilon storage division Modified: user/attilio/vmobj-readlock/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c Modified: user/attilio/vmobj-readlock/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c ============================================================================== --- user/attilio/vmobj-readlock/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c Thu Jun 20 12:46:03 2013 (r252030) +++ user/attilio/vmobj-readlock/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c Thu Jun 20 14:20:03 2013 (r252031) @@ -495,7 +495,7 @@ mappedread_sf(vnode_t *vp, int nbytes, u int bytes = MIN(PAGESIZE, len); pp = vm_page_grab(obj, OFF_TO_IDX(start), VM_ALLOC_NOBUSY | - VM_ALLOC_NORMAL | VM_ALLOC_RETRY); + VM_ALLOC_NORMAL | VM_ALLOC_RETRY | VM_ALLOC_IGN_RBUSY); if (pp->valid == 0) { vm_page_io_start(pp); zfs_vmobject_wunlock(obj);
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