Date: Wed, 30 May 2012 16:45:41 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r236322 - head/sys/ufs/ffs Message-ID: <201205301645.q4UGjfwB063073@svn.freebsd.org>
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Author: kib Date: Wed May 30 16:45:41 2012 New Revision: 236322 URL: http://svn.freebsd.org/changeset/base/236322 Log: Enable vn_io_fault() lock avoidance for UFS. Tested by: pho MFC after: 2 months Modified: head/sys/ufs/ffs/ffs_vfsops.c head/sys/ufs/ffs/ffs_vnops.c Modified: head/sys/ufs/ffs/ffs_vfsops.c ============================================================================== --- head/sys/ufs/ffs/ffs_vfsops.c Wed May 30 16:42:08 2012 (r236321) +++ head/sys/ufs/ffs/ffs_vfsops.c Wed May 30 16:45:41 2012 (r236322) @@ -1064,7 +1064,7 @@ ffs_mountfs(devvp, mp, td) */ MNT_ILOCK(mp); mp->mnt_kern_flag |= MNTK_MPSAFE | MNTK_LOOKUP_SHARED | - MNTK_EXTENDED_SHARED; + MNTK_EXTENDED_SHARED | MNTK_NO_IOPF; MNT_IUNLOCK(mp); #ifdef UFS_EXTATTR #ifdef UFS_EXTATTR_AUTOSTART Modified: head/sys/ufs/ffs/ffs_vnops.c ============================================================================== --- head/sys/ufs/ffs/ffs_vnops.c Wed May 30 16:42:08 2012 (r236321) +++ head/sys/ufs/ffs/ffs_vnops.c Wed May 30 16:45:41 2012 (r236322) @@ -567,7 +567,7 @@ ffs_read(ap) xfersize = size; } - error = uiomove((char *)bp->b_data + blkoffset, + error = vn_io_fault_uiomove((char *)bp->b_data + blkoffset, (int)xfersize, uio); if (error) break; @@ -738,8 +738,8 @@ ffs_write(ap) if (size < xfersize) xfersize = size; - error = - uiomove((char *)bp->b_data + blkoffset, (int)xfersize, uio); + error = vn_io_fault_uiomove((char *)bp->b_data + blkoffset, + (int)xfersize, uio); /* * If the buffer is not already filled and we encounter an * error while trying to fill it, we have to clear out any
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