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Remove not needed acquision of the mount interlock aroung reading of

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mnt_kern_flags in ufs_itimes().

Suggested by:	ssouhlal
Confirmed by:	tegge
MFC after:	2 weeks
This commit is contained in:
Konstantin Belousov 2007-02-08 09:47:19 +00:00
parent d00914ea85
commit 6a000036fc
1 changed files with 6 additions and 13 deletions
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19
sys/ufs/ufs/ufs_vnops.c
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@ -133,19 +133,15 @@ ufs_itimes(vp)
{
struct inode *ip;
struct timespec ts;
int mnt_locked;
ip = VTOI(vp);
mnt_locked = 0;
if ((vp->v_mount->mnt_flag & MNT_RDONLY) != 0) {
VI_LOCK(vp);
goto out;
}
MNT_ILOCK(vp->v_mount); /* For reading of mnt_kern_flags. */
mnt_locked = 1;
VI_LOCK(vp);
if ((ip->i_flag & (IN_ACCESS | IN_CHANGE | IN_UPDATE)) == 0)
goto out_unl;
if ((vp->v_mount->mnt_flag & MNT_RDONLY) != 0)
goto out;
if ((ip->i_flag & (IN_ACCESS | IN_CHANGE | IN_UPDATE)) == 0) {
VI_UNLOCK(vp);
return;
}
if ((vp->v_type == VBLK || vp->v_type == VCHR) && !DOINGSOFTDEP(vp))
ip->i_flag |= IN_LAZYMOD;
@ -172,10 +168,7 @@ ufs_itimes(vp)
out:
ip->i_flag &= ~(IN_ACCESS | IN_CHANGE | IN_UPDATE);
out_unl:
VI_UNLOCK(vp);
if (mnt_locked)
MNT_IUNLOCK(vp->v_mount);
}
/*