Author: kib
Date: Tue May 17 21:35:35 2016
New Revision: 300084
URL: https://svnweb.freebsd.org/changeset/base/300084
Log:
Do enable io accounting for read-only mounts and mounts which are
remounted to writeable after initial read-only. Assign to
dev->si_mountpt earlier to account the accesses done at the mount
time.
Based on submission by: bde
MFC after: 1 week
Modified:
head/sys/ufs/ffs/ffs_vfsops.c
Modified: head/sys/ufs/ffs/ffs_vfsops.c
==============================================================================
--- head/sys/ufs/ffs/ffs_vfsops.c Tue May 17 21:30:58 2016
(r300083)
+++ head/sys/ufs/ffs/ffs_vfsops.c Tue May 17 21:35:35 2016
(r300084)
@@ -780,6 +780,8 @@ ffs_mountfs(devvp, mp, td)
mp->mnt_iosize_max = MAXPHYS;
devvp->v_bufobj.bo_ops = &ffs_ops;
+ if (devvp->v_type == VCHR)
+ devvp->v_rdev->si_mountpt = mp;
fs = NULL;
sblockloc = 0;
@@ -1049,8 +1051,6 @@ ffs_mountfs(devvp, mp, td)
ffs_flushfiles(mp, FORCECLOSE, td);
goto out;
}
- if (devvp->v_type == VCHR && devvp->v_rdev != NULL)
- devvp->v_rdev->si_mountpt = mp;
if (fs->fs_snapinum[0] != 0)
ffs_snapshot_mount(mp);
fs->fs_fmod = 1;
@@ -1083,6 +1083,8 @@ ffs_mountfs(devvp, mp, td)
out:
if (bp)
brelse(bp);
+ if (devvp->v_type == VCHR && devvp->v_rdev != NULL)
+ devvp->v_rdev->si_mountpt = NULL;
if (cp != NULL) {
DROP_GIANT();
g_topology_lock();
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