Differential D17208 Diff 48213 head/sys/ufs/ufs/ufs_quota.c

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head/sys/ufs/ufs/ufs_quota.c

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qvp->v_vflag &= ~VV_SYSTEM;		qvp->v_vflag &= ~VV_SYSTEM;
VOP_UNLOCK(qvp, 0);		VOP_UNLOCK(qvp, 0);
error = vn_close(qvp, FREAD\|FWRITE, td->td_ucred, td);		error = vn_close(qvp, FREAD\|FWRITE, td->td_ucred, td);
crfree(cr);		crfree(cr);

return (error);		return (error);
}		}

		static int
		quotaoff_inchange1(struct thread td, struct mount mp, int type)
		{
		int error;
		bool need_resume;

/*		/*
		* mp is already suspended on unmount. If not, suspend it, to
		* avoid the situation where quotaoff operation eventually
		* failing due to SU structures still keeping references on
		* dquots, but vnode's references are already clean. This
		* would cause quota accounting leak and asserts otherwise.
		* Note that the thread has already called vn_start_write().
		*/
		if (mp->mnt_susp_owner == td) {
		need_resume = false;
		} else {
		error = vfs_write_suspend_umnt(mp);
		if (error != 0)
		return (error);
		need_resume = true;
		}
		error = quotaoff1(td, mp, type);
		if (need_resume)
		vfs_write_resume(mp, VR_START_WRITE);
		return (error);
		}

		/*
* Turns off quotas, assumes that ump->um_qflags are already checked		* Turns off quotas, assumes that ump->um_qflags are already checked
* and QTF_CLOSING is set to indicate operation in progress. Fixes		* and QTF_CLOSING is set to indicate operation in progress. Fixes
* ump->um_qflags and mp->mnt_flag after.		* ump->um_qflags and mp->mnt_flag after.
*/		*/
int		int
quotaoff_inchange(struct thread td, struct mount mp, int type)		quotaoff_inchange(struct thread td, struct mount mp, int type)
{		{
struct ufsmount *ump;		struct ufsmount *ump;
int i;		int error, i;
int error;

error = quotaoff1(td, mp, type);		error = quotaoff_inchange1(td, mp, type);

ump = VFSTOUFS(mp);		ump = VFSTOUFS(mp);
UFS_LOCK(ump);		UFS_LOCK(ump);
ump->um_qflags[type] &= ~QTF_CLOSING;		ump->um_qflags[type] &= ~QTF_CLOSING;
for (i = 0; i < MAXQUOTAS; i++)		for (i = 0; i < MAXQUOTAS; i++)
if (ump->um_quotas[i] != NULLVP)		if (ump->um_quotas[i] != NULLVP)
break;		break;
if (i == MAXQUOTAS) {		if (i == MAXQUOTAS) {
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