Merge rsync://oss.sgi.com/git/xfs-2.6

fs/xfs/linux-2.6/xfs_buf.c

@@ -61,12 +61,13 @@
  * File wide globals
  */
 
-STATIC kmem_cache_t *pagebuf_cache;
+STATIC kmem_cache_t *pagebuf_zone;
 STATIC kmem_shaker_t pagebuf_shake;
-STATIC int pagebuf_daemon_wakeup(int, unsigned int);
+STATIC int xfsbufd_wakeup(int, unsigned int);
 STATIC void pagebuf_delwri_queue(xfs_buf_t *, int);
-STATIC struct workqueue_struct *pagebuf_logio_workqueue;
-STATIC struct workqueue_struct *pagebuf_dataio_workqueue;
+
+STATIC struct workqueue_struct *xfslogd_workqueue;
+STATIC struct workqueue_struct *xfsdatad_workqueue;
 
 /*
  * Pagebuf debugging
@@ -123,9 +124,9 @@ ktrace_t *pagebuf_trace_buf;
 
 
 #define pagebuf_allocate(flags) \
-	kmem_zone_alloc(pagebuf_cache, pb_to_km(flags))
+	kmem_zone_alloc(pagebuf_zone, pb_to_km(flags))
 #define pagebuf_deallocate(pb) \
-	kmem_zone_free(pagebuf_cache, (pb));
+	kmem_zone_free(pagebuf_zone, (pb));
 
 /*
  * Page Region interfaces.
@@ -425,7 +426,7 @@ _pagebuf_lookup_pages(
 					__FUNCTION__, gfp_mask);
 
 			XFS_STATS_INC(pb_page_retries);
-			pagebuf_daemon_wakeup(0, gfp_mask);
+			xfsbufd_wakeup(0, gfp_mask);
 			blk_congestion_wait(WRITE, HZ/50);
 			goto retry;
 		}
@@ -1136,8 +1137,8 @@ pagebuf_iodone(
 	if ((pb->pb_iodone) || (pb->pb_flags & PBF_ASYNC)) {
 		if (schedule) {
 			INIT_WORK(&pb->pb_iodone_work, pagebuf_iodone_work, pb);
-			queue_work(dataio ? pagebuf_dataio_workqueue :
-				pagebuf_logio_workqueue, &pb->pb_iodone_work);
+			queue_work(dataio ? xfsdatad_workqueue :
+				xfslogd_workqueue, &pb->pb_iodone_work);
 		} else {
 			pagebuf_iodone_work(pb);
 		}
@@ -1562,16 +1563,6 @@ xfs_free_buftarg(
 	kmem_free(btp, sizeof(*btp));
 }
 
-void
-xfs_incore_relse(
-	xfs_buftarg_t		*btp,
-	int			delwri_only,
-	int			wait)
-{
-	invalidate_bdev(btp->pbr_bdev, 1);
-	truncate_inode_pages(btp->pbr_mapping, 0LL);
-}
-
 STATIC int
 xfs_setsize_buftarg_flags(
 	xfs_buftarg_t		*btp,
@@ -1742,27 +1733,27 @@ pagebuf_runall_queues(
 }
 
 /* Defines for pagebuf daemon */
-STATIC DECLARE_COMPLETION(pagebuf_daemon_done);
-STATIC struct task_struct *pagebuf_daemon_task;
-STATIC int pagebuf_daemon_active;
-STATIC int force_flush;
-STATIC int force_sleep;
+STATIC DECLARE_COMPLETION(xfsbufd_done);
+STATIC struct task_struct *xfsbufd_task;
+STATIC int xfsbufd_active;
+STATIC int xfsbufd_force_flush;
+STATIC int xfsbufd_force_sleep;
 
 STATIC int
-pagebuf_daemon_wakeup(
+xfsbufd_wakeup(
 	int			priority,
 	unsigned int		mask)
 {
-	if (force_sleep)
+	if (xfsbufd_force_sleep)
 		return 0;
-	force_flush = 1;
+	xfsbufd_force_flush = 1;
 	barrier();
-	wake_up_process(pagebuf_daemon_task);
+	wake_up_process(xfsbufd_task);
 	return 0;
 }
 
 STATIC int
-pagebuf_daemon(
+xfsbufd(
 	void			*data)
 {
 	struct list_head	tmp;
@@ -1774,17 +1765,17 @@ pagebuf_daemon(
 	daemonize("xfsbufd");
 	current->flags |= PF_MEMALLOC;
 
-	pagebuf_daemon_task = current;
-	pagebuf_daemon_active = 1;
+	xfsbufd_task = current;
+	xfsbufd_active = 1;
 	barrier();
 
 	INIT_LIST_HEAD(&tmp);
 	do {
 		if (unlikely(current->flags & PF_FREEZE)) {
-			force_sleep = 1;
+			xfsbufd_force_sleep = 1;
 			refrigerator(PF_FREEZE);
 		} else {
-			force_sleep = 0;
+			xfsbufd_force_sleep = 0;
 		}
 
 		set_current_state(TASK_INTERRUPTIBLE);
@@ -1797,7 +1788,7 @@ pagebuf_daemon(
 			ASSERT(pb->pb_flags & PBF_DELWRI);
 
 			if (!pagebuf_ispin(pb) && !pagebuf_cond_lock(pb)) {
-				if (!force_flush &&
+				if (!xfsbufd_force_flush &&
 				    time_before(jiffies,
 						pb->pb_queuetime + age)) {
 					pagebuf_unlock(pb);
@@ -1824,10 +1815,10 @@ pagebuf_daemon(
 		if (as_list_len > 0)
 			purge_addresses();
 
-		force_flush = 0;
-	} while (pagebuf_daemon_active);
+		xfsbufd_force_flush = 0;
+	} while (xfsbufd_active);
 
-	complete_and_exit(&pagebuf_daemon_done, 0);
+	complete_and_exit(&xfsbufd_done, 0);
 }
 
 /*
@@ -1844,8 +1835,8 @@ xfs_flush_buftarg(
 	xfs_buf_t		*pb, *n;
 	int			pincount = 0;
 
-	pagebuf_runall_queues(pagebuf_dataio_workqueue);
-	pagebuf_runall_queues(pagebuf_logio_workqueue);
+	pagebuf_runall_queues(xfsdatad_workqueue);
+	pagebuf_runall_queues(xfslogd_workqueue);
 
 	INIT_LIST_HEAD(&tmp);
 	spin_lock(&pbd_delwrite_lock);
@@ -1898,43 +1889,43 @@ xfs_flush_buftarg(
 }
 
 STATIC int
-pagebuf_daemon_start(void)
+xfs_buf_daemons_start(void)
 {
-	int		rval;
+	int		error = -ENOMEM;
 
-	pagebuf_logio_workqueue = create_workqueue("xfslogd");
-	if (!pagebuf_logio_workqueue)
-		return -ENOMEM;
+	xfslogd_workqueue = create_workqueue("xfslogd");
+	if (!xfslogd_workqueue)
+		goto out;
 
-	pagebuf_dataio_workqueue = create_workqueue("xfsdatad");
-	if (!pagebuf_dataio_workqueue) {
-		destroy_workqueue(pagebuf_logio_workqueue);
-		return -ENOMEM;
-	}
+	xfsdatad_workqueue = create_workqueue("xfsdatad");
+	if (!xfsdatad_workqueue)
+		goto out_destroy_xfslogd_workqueue;
 
-	rval = kernel_thread(pagebuf_daemon, NULL, CLONE_FS|CLONE_FILES);
-	if (rval < 0) {
-		destroy_workqueue(pagebuf_logio_workqueue);
-		destroy_workqueue(pagebuf_dataio_workqueue);
-	}
+	error = kernel_thread(xfsbufd, NULL, CLONE_FS|CLONE_FILES);
+	if (error < 0)
+		goto out_destroy_xfsdatad_workqueue;
+	return 0;
 
-	return rval;
+ out_destroy_xfsdatad_workqueue:
+	destroy_workqueue(xfsdatad_workqueue);
+ out_destroy_xfslogd_workqueue:
+	destroy_workqueue(xfslogd_workqueue);
+ out:
+	return error;
 }
 
 /*
- * pagebuf_daemon_stop
- *
  * Note: do not mark as __exit, it is called from pagebuf_terminate.
  */
 STATIC void
-pagebuf_daemon_stop(void)
+xfs_buf_daemons_stop(void)
 {
-	pagebuf_daemon_active = 0;
+	xfsbufd_active = 0;
 	barrier();
-	wait_for_completion(&pagebuf_daemon_done);
+	wait_for_completion(&xfsbufd_done);
 
-	destroy_workqueue(pagebuf_logio_workqueue);
-	destroy_workqueue(pagebuf_dataio_workqueue);
+	destroy_workqueue(xfslogd_workqueue);
+	destroy_workqueue(xfsdatad_workqueue);
 }
 
 /*
@@ -1944,27 +1935,37 @@ pagebuf_daemon_stop(void)
 int __init
 pagebuf_init(void)
 {
-	pagebuf_cache = kmem_cache_create("xfs_buf_t", sizeof(xfs_buf_t), 0,
-			SLAB_HWCACHE_ALIGN, NULL, NULL);
-	if (pagebuf_cache == NULL) {
-		printk("XFS: couldn't init xfs_buf_t cache\n");
-		pagebuf_terminate();
-		return -ENOMEM;
-	}
+	int		error = -ENOMEM;
+
+	pagebuf_zone = kmem_zone_init(sizeof(xfs_buf_t), "xfs_buf");
+	if (!pagebuf_zone)
+		goto out;
 
 #ifdef PAGEBUF_TRACE
 	pagebuf_trace_buf = ktrace_alloc(PAGEBUF_TRACE_SIZE, KM_SLEEP);
 #endif
 
-	pagebuf_daemon_start();
+	error = xfs_buf_daemons_start();
+	if (error)
+		goto out_free_buf_zone;
 
-	pagebuf_shake = kmem_shake_register(pagebuf_daemon_wakeup);
-	if (pagebuf_shake == NULL) {
-		pagebuf_terminate();
-		return -ENOMEM;
+	pagebuf_shake = kmem_shake_register(xfsbufd_wakeup);
+	if (!pagebuf_shake) {
+		error = -ENOMEM;
+		goto out_stop_daemons;
 	}
 
 	return 0;
+
+ out_stop_daemons:
+	xfs_buf_daemons_stop();
+ out_free_buf_zone:
+#ifdef PAGEBUF_TRACE
+	ktrace_free(pagebuf_trace_buf);
+#endif
+	kmem_zone_destroy(pagebuf_zone);
+ out:
+	return error;
 }
 
 
@@ -1976,12 +1977,12 @@ pagebuf_init(void)
 void
 pagebuf_terminate(void)
 {
-	pagebuf_daemon_stop();
+	xfs_buf_daemons_stop();
 
 #ifdef PAGEBUF_TRACE
 	ktrace_free(pagebuf_trace_buf);
 #endif
 
-	kmem_zone_destroy(pagebuf_cache);
+	kmem_zone_destroy(pagebuf_zone);
 	kmem_shake_deregister(pagebuf_shake);
 }

fs/xfs/linux-2.6/xfs_buf.h

@@ -576,7 +576,6 @@ extern xfs_buftarg_t *xfs_alloc_buftarg(struct block_device *, int);
 extern void xfs_free_buftarg(xfs_buftarg_t *, int);
 extern void xfs_wait_buftarg(xfs_buftarg_t *);
 extern int xfs_setsize_buftarg(xfs_buftarg_t *, unsigned int, unsigned int);
-extern void xfs_incore_relse(xfs_buftarg_t *, int, int);
 extern int xfs_flush_buftarg(xfs_buftarg_t *, int);
 
 #define xfs_getsize_buftarg(buftarg) \

fs/xfs/linux-2.6/xfs_file.c

@@ -57,7 +57,9 @@
 #include <linux/smp_lock.h>
 
 static struct vm_operations_struct linvfs_file_vm_ops;
-
+#ifdef CONFIG_XFS_DMAPI
+static struct vm_operations_struct linvfs_dmapi_file_vm_ops;
+#endif
 
 STATIC inline ssize_t
 __linvfs_read(
@@ -388,6 +390,14 @@ done:
 	return -error;
 }
 
+#ifdef CONFIG_XFS_DMAPI
+STATIC void
+linvfs_mmap_close(
+	struct vm_area_struct	*vma)
+{
+	xfs_dm_mm_put(vma);
+}
+#endif /* CONFIG_XFS_DMAPI */
 
 STATIC int
 linvfs_file_mmap(
@@ -399,16 +409,19 @@ linvfs_file_mmap(
 	vattr_t		va = { .va_mask = XFS_AT_UPDATIME };
 	int		error;
 
+	vma->vm_ops = &linvfs_file_vm_ops;
+
 	if (vp->v_vfsp->vfs_flag & VFS_DMI) {
 		xfs_mount_t	*mp = XFS_VFSTOM(vp->v_vfsp);
 
 		error = -XFS_SEND_MMAP(mp, vma, 0);
 		if (error)
 			return error;
+#ifdef CONFIG_XFS_DMAPI
+		vma->vm_ops = &linvfs_dmapi_file_vm_ops;
+#endif
 	}
 
-	vma->vm_ops = &linvfs_file_vm_ops;
-
 	VOP_SETATTR(vp, &va, XFS_AT_UPDATIME, NULL, error);
 	if (!error)
 		vn_revalidate(vp);	/* update Linux inode flags */
@@ -609,7 +622,15 @@ struct file_operations linvfs_dir_operations = {
 static struct vm_operations_struct linvfs_file_vm_ops = {
 	.nopage		= filemap_nopage,
 	.populate	= filemap_populate,
+};
+
+#ifdef CONFIG_XFS_DMAPI
+static struct vm_operations_struct linvfs_dmapi_file_vm_ops = {
+	.close		= linvfs_mmap_close,
+	.nopage		= filemap_nopage,
+	.populate	= filemap_populate,
 #ifdef HAVE_VMOP_MPROTECT
 	.mprotect	= linvfs_mprotect,
 #endif
 };
+#endif /* CONFIG_XFS_DMAPI */

fs/xfs/linux-2.6/xfs_ioctl.c

@@ -1174,7 +1174,8 @@ xfs_ioc_xattr(
 
 	switch (cmd) {
 	case XFS_IOC_FSGETXATTR: {
-		va.va_mask = XFS_AT_XFLAGS|XFS_AT_EXTSIZE|XFS_AT_NEXTENTS;
+		va.va_mask = XFS_AT_XFLAGS | XFS_AT_EXTSIZE | \
+			     XFS_AT_NEXTENTS | XFS_AT_PROJID;
 		VOP_GETATTR(vp, &va, 0, NULL, error);
 		if (error)
 			return -error;
@@ -1182,6 +1183,7 @@ xfs_ioc_xattr(
 		fa.fsx_xflags	= va.va_xflags;
 		fa.fsx_extsize	= va.va_extsize;
 		fa.fsx_nextents = va.va_nextents;
+		fa.fsx_projid	= va.va_projid;
 
 		if (copy_to_user(arg, &fa, sizeof(fa)))
 			return -XFS_ERROR(EFAULT);
@@ -1196,9 +1198,10 @@ xfs_ioc_xattr(
 		if (filp->f_flags & (O_NDELAY|O_NONBLOCK))
 			attr_flags |= ATTR_NONBLOCK;
 
-		va.va_mask = XFS_AT_XFLAGS | XFS_AT_EXTSIZE;
+		va.va_mask = XFS_AT_XFLAGS | XFS_AT_EXTSIZE | XFS_AT_PROJID;
 		va.va_xflags  = fa.fsx_xflags;
 		va.va_extsize = fa.fsx_extsize;
+		va.va_projid  = fa.fsx_projid;
 
 		VOP_SETATTR(vp, &va, attr_flags, NULL, error);
 		if (!error)
@@ -1207,7 +1210,8 @@ xfs_ioc_xattr(
 	}
 
 	case XFS_IOC_FSGETXATTRA: {
-		va.va_mask = XFS_AT_XFLAGS|XFS_AT_EXTSIZE|XFS_AT_ANEXTENTS;
+		va.va_mask = XFS_AT_XFLAGS | XFS_AT_EXTSIZE | \
+			     XFS_AT_ANEXTENTS | XFS_AT_PROJID;
 		VOP_GETATTR(vp, &va, 0, NULL, error);
 		if (error)
 			return -error;
@@ -1215,6 +1219,7 @@ xfs_ioc_xattr(
 		fa.fsx_xflags	= va.va_xflags;
 		fa.fsx_extsize	= va.va_extsize;
 		fa.fsx_nextents = va.va_anextents;
+		fa.fsx_projid	= va.va_projid;
 
 		if (copy_to_user(arg, &fa, sizeof(fa)))
 			return -XFS_ERROR(EFAULT);

fs/xfs/linux-2.6/xfs_linux.h

@@ -230,8 +230,10 @@ static inline void set_buffer_unwritten_io(struct buffer_head *bh)
  * field (see the QCMD macro in quota.h).  These macros help keep the
  * code portable - they are not visible from the syscall interface.
  */
-#define Q_XSETGQLIM	XQM_CMD(0x8)	/* set groups disk limits */
-#define Q_XGETGQUOTA	XQM_CMD(0x9)	/* get groups disk limits */
+#define Q_XSETGQLIM	XQM_CMD(8)	/* set groups disk limits */
+#define Q_XGETGQUOTA	XQM_CMD(9)	/* get groups disk limits */
+#define Q_XSETPQLIM	XQM_CMD(10)	/* set projects disk limits */
+#define Q_XGETPQUOTA	XQM_CMD(11)	/* get projects disk limits */
 
 /* IRIX uses a dynamic sizing algorithm (ndquot = 200 + numprocs*2) */
 /* we may well need to fine-tune this if it ever becomes an issue.  */

fs/xfs/linux-2.6/xfs_lrw.c

@@ -209,30 +209,6 @@ unlock:
 	return (-status);
 }
 
-/*
- * xfs_inval_cached_pages
- * 
- * This routine is responsible for keeping direct I/O and buffered I/O
- * somewhat coherent.  From here we make sure that we're at least
- * temporarily holding the inode I/O lock exclusively and then call
- * the page cache to flush and invalidate any cached pages.  If there
- * are no cached pages this routine will be very quick.
- */
-void
-xfs_inval_cached_pages(
-	vnode_t		*vp,
-	xfs_iocore_t	*io,
-	xfs_off_t	offset,
-	int		write,
-	int		relock)
-{
-	if (VN_CACHED(vp)) {
-		xfs_inval_cached_trace(io, offset, -1, ctooff(offtoct(offset)), -1);
-		VOP_FLUSHINVAL_PAGES(vp, ctooff(offtoct(offset)), -1, FI_REMAPF_LOCKED);
-	}
-
-}
-
 ssize_t			/* bytes read, or (-)  error */
 xfs_read(
 	bhv_desc_t		*bdp,
@@ -304,10 +280,11 @@ xfs_read(
 	if (DM_EVENT_ENABLED(vp->v_vfsp, ip, DM_EVENT_READ) &&
 	    !(ioflags & IO_INVIS)) {
 		vrwlock_t locktype = VRWLOCK_READ;
+		int dmflags = FILP_DELAY_FLAG(file) | DM_SEM_FLAG_RD(ioflags);
 
 		ret = -XFS_SEND_DATA(mp, DM_EVENT_READ,
 					BHV_TO_VNODE(bdp), *offset, size,
-					FILP_DELAY_FLAG(file), &locktype);
+					dmflags, &locktype);
 		if (ret) {
 			xfs_iunlock(ip, XFS_IOLOCK_SHARED);
 			goto unlock_isem;
@@ -867,11 +844,15 @@ retry:
 	    !(ioflags & IO_INVIS)) {
 
 		xfs_rwunlock(bdp, locktype);
+		if (need_isem)
+			up(&inode->i_sem);
 		error = XFS_SEND_NAMESP(xip->i_mount, DM_EVENT_NOSPACE, vp,
 				DM_RIGHT_NULL, vp, DM_RIGHT_NULL, NULL, NULL,
 				0, 0, 0); /* Delay flag intentionally  unused */
 		if (error)
-			goto out_unlock_isem;
+			goto out_nounlocks;
+		if (need_isem)
+			down(&inode->i_sem);
 		xfs_rwlock(bdp, locktype);
 		pos = xip->i_d.di_size;
 		ret = 0;
@@ -986,6 +967,7 @@ retry:
  out_unlock_isem:
 	if (need_isem)
 		up(&inode->i_sem);
+ out_nounlocks:
 	return -error;
 }
 

fs/xfs/linux-2.6/xfs_lrw.h

@@ -94,8 +94,6 @@ extern int xfs_bdstrat_cb(struct xfs_buf *);
 
 extern int xfs_zero_eof(struct vnode *, struct xfs_iocore *, xfs_off_t,
 				xfs_fsize_t, xfs_fsize_t);
-extern void xfs_inval_cached_pages(struct vnode	*, struct xfs_iocore *,
-				xfs_off_t, int, int);
 extern ssize_t xfs_read(struct bhv_desc *, struct kiocb *,
 				const struct iovec *, unsigned int,
 				loff_t *, int, struct cred *);

fs/xfs/linux-2.6/xfs_super.c

@@ -590,8 +590,10 @@ linvfs_sync_super(
 	int		error;
 	int		flags = SYNC_FSDATA;
 
-	if (wait)
-		flags |= SYNC_WAIT;
+	if (unlikely(sb->s_frozen == SB_FREEZE_WRITE))
+		flags = SYNC_QUIESCE;
+	else
+		flags = SYNC_FSDATA | (wait ? SYNC_WAIT : 0);
 
 	VFS_SYNC(vfsp, flags, NULL, error);
 	sb->s_dirt = 0;
@@ -701,7 +703,8 @@ linvfs_getxquota(
 	struct vfs		*vfsp = LINVFS_GET_VFS(sb);
 	int			error, getmode;
 
-	getmode = (type == GRPQUOTA) ? Q_XGETGQUOTA : Q_XGETQUOTA;
+	getmode = (type == USRQUOTA) ? Q_XGETQUOTA :
+		 ((type == GRPQUOTA) ? Q_XGETGQUOTA : Q_XGETPQUOTA);
 	VFS_QUOTACTL(vfsp, getmode, id, (caddr_t)fdq, error);
 	return -error;
 }
@@ -716,7 +719,8 @@ linvfs_setxquota(
 	struct vfs		*vfsp = LINVFS_GET_VFS(sb);
 	int			error, setmode;
 
-	setmode = (type == GRPQUOTA) ? Q_XSETGQLIM : Q_XSETQLIM;
+	setmode = (type == USRQUOTA) ? Q_XSETQLIM :
+		 ((type == GRPQUOTA) ? Q_XSETGQLIM : Q_XSETPQLIM);
 	VFS_QUOTACTL(vfsp, setmode, id, (caddr_t)fdq, error);
 	return -error;
 }

fs/xfs/linux-2.6/xfs_vfs.h

@@ -107,6 +107,7 @@ typedef enum {
 #define SYNC_FSDATA		0x0020	/* flush fs data (e.g. superblocks) */
 #define SYNC_REFCACHE		0x0040  /* prune some of the nfs ref cache */
 #define SYNC_REMOUNT		0x0080  /* remount readonly, no dummy LRs */
+#define SYNC_QUIESCE		0x0100  /* quiesce fileystem for a snapshot */
 
 typedef int	(*vfs_mount_t)(bhv_desc_t *,
 				struct xfs_mount_args *, struct cred *);

fs/xfs/linux-2.6/xfs_vnode.c

@@ -411,13 +411,13 @@ vn_remove(
 /*  0 */		(void *)(__psint_t)(vk),		\
 /*  1 */		(void *)(s),				\
 /*  2 */		(void *)(__psint_t) line,		\
-/*  3 */		(void *)(vn_count(vp)), \
+/*  3 */		(void *)(__psint_t)(vn_count(vp)),	\
 /*  4 */		(void *)(ra),				\
 /*  5 */		(void *)(__psunsigned_t)(vp)->v_flag,	\
 /*  6 */		(void *)(__psint_t)current_cpu(),	\
 /*  7 */		(void *)(__psint_t)current_pid(),	\
 /*  8 */		(void *)__return_address,		\
-/*  9 */		0, 0, 0, 0, 0, 0, 0)
+/*  9 */		NULL, NULL, NULL, NULL, NULL, NULL, NULL)
 
 /*
  * Vnode tracing code.

fs/xfs/linux-2.6/xfs_vnode.h

@@ -426,7 +426,7 @@ typedef struct vattr {
 	u_long		va_extsize;	/* file extent size */
 	u_long		va_nextents;	/* number of extents in file */
 	u_long		va_anextents;	/* number of attr extents in file */
-	int		va_projid;	/* project id */
+	prid_t		va_projid;	/* project id */
 } vattr_t;
 
 /*

fs/xfs/quota/xfs_dquot.c

@@ -101,7 +101,7 @@ int xfs_dqerror_mod = 33;
  * is the d_id field. The idea is to fill in the entire q_core
  * when we read in the on disk dquot.
  */
-xfs_dquot_t *
+STATIC xfs_dquot_t *
 xfs_qm_dqinit(
 	xfs_mount_t  *mp,
 	xfs_dqid_t   id,
@@ -286,7 +286,9 @@ xfs_qm_adjust_dqlimits(
  * We also return 0 as the values of the timers in Q_GETQUOTA calls, when
  * enforcement's off.
  * In contrast, warnings are a little different in that they don't
- * 'automatically' get started when limits get exceeded.
+ * 'automatically' get started when limits get exceeded.  They do
+ * get reset to zero, however, when we find the count to be under
+ * the soft limit (they are only ever set non-zero via userspace).
  */
 void
 xfs_qm_adjust_dqtimers(
@@ -315,6 +317,8 @@ xfs_qm_adjust_dqtimers(
 				INT_GET(d->d_blk_hardlimit, ARCH_CONVERT)))) {
 			INT_SET(d->d_btimer, ARCH_CONVERT,
 				get_seconds() + XFS_QI_BTIMELIMIT(mp));
+		} else {
+			d->d_bwarns = 0;
 		}
 	} else {
 		if ((!d->d_blk_softlimit ||
@@ -336,6 +340,8 @@ xfs_qm_adjust_dqtimers(
 				INT_GET(d->d_ino_hardlimit, ARCH_CONVERT)))) {
 			INT_SET(d->d_itimer, ARCH_CONVERT,
 				get_seconds() + XFS_QI_ITIMELIMIT(mp));
+		} else {
+			d->d_iwarns = 0;
 		}
 	} else {
 		if ((!d->d_ino_softlimit ||
@@ -357,6 +363,8 @@ xfs_qm_adjust_dqtimers(
 				INT_GET(d->d_rtb_hardlimit, ARCH_CONVERT)))) {
 			INT_SET(d->d_rtbtimer, ARCH_CONVERT,
 				get_seconds() + XFS_QI_RTBTIMELIMIT(mp));
+		} else {
+			d->d_rtbwarns = 0;
 		}
 	} else {
 		if ((!d->d_rtb_softlimit ||
@@ -370,68 +378,6 @@ xfs_qm_adjust_dqtimers(
 	}
 }
 
-/*
- * Increment or reset warnings of a given dquot.
- */
-int
-xfs_qm_dqwarn(
-	xfs_disk_dquot_t	*d,
-	uint			flags)
-{
-	int	warned;
-
-	/*
-	 * root's limits are not real limits.
-	 */
-	if (!d->d_id)
-		return (0);
-
-	warned = 0;
-	if (INT_GET(d->d_blk_softlimit, ARCH_CONVERT) &&
-	    (INT_GET(d->d_bcount, ARCH_CONVERT) >=
-	     INT_GET(d->d_blk_softlimit, ARCH_CONVERT))) {
-		if (flags & XFS_QMOPT_DOWARN) {
-			INT_MOD(d->d_bwarns, ARCH_CONVERT, +1);
-			warned++;
-		}
-	} else {
-		if (!d->d_blk_softlimit ||
-		    (INT_GET(d->d_bcount, ARCH_CONVERT) <
-		     INT_GET(d->d_blk_softlimit, ARCH_CONVERT))) {
-			d->d_bwarns = 0;
-		}
-	}
-
-	if (INT_GET(d->d_ino_softlimit, ARCH_CONVERT) > 0 &&
-	    (INT_GET(d->d_icount, ARCH_CONVERT) >=
-	     INT_GET(d->d_ino_softlimit, ARCH_CONVERT))) {
-		if (flags & XFS_QMOPT_DOWARN) {
-			INT_MOD(d->d_iwarns, ARCH_CONVERT, +1);
-			warned++;
-		}
-	} else {
-		if (!d->d_ino_softlimit ||
-		    (INT_GET(d->d_icount, ARCH_CONVERT) <
-		     INT_GET(d->d_ino_softlimit, ARCH_CONVERT))) {
-			d->d_iwarns = 0;
-		}
-	}
-#ifdef QUOTADEBUG
-	if (INT_GET(d->d_iwarns, ARCH_CONVERT))
-		cmn_err(CE_DEBUG,
-			"--------@@Inode warnings running : %Lu >= %Lu",
-			INT_GET(d->d_icount, ARCH_CONVERT),
-			INT_GET(d->d_ino_softlimit, ARCH_CONVERT));
-	if (INT_GET(d->d_bwarns, ARCH_CONVERT))
-		cmn_err(CE_DEBUG,
-			"--------@@Blks warnings running : %Lu >= %Lu",
-			INT_GET(d->d_bcount, ARCH_CONVERT),
-			INT_GET(d->d_blk_softlimit, ARCH_CONVERT));
-#endif
-	return (warned);
-}
-
-
 /*
  * initialize a buffer full of dquots and log the whole thing
  */
@@ -461,9 +407,9 @@ xfs_qm_init_dquot_blk(
 	for (i = 0; i < XFS_QM_DQPERBLK(mp); i++, d++, curid++)
 		xfs_qm_dqinit_core(curid, type, d);
 	xfs_trans_dquot_buf(tp, bp,
-			    type & XFS_DQ_USER ?
-			    XFS_BLI_UDQUOT_BUF :
-			    XFS_BLI_GDQUOT_BUF);
+			    (type & XFS_DQ_USER ? XFS_BLI_UDQUOT_BUF :
+			    ((type & XFS_DQ_PROJ) ? XFS_BLI_PDQUOT_BUF :
+			     XFS_BLI_GDQUOT_BUF)));
 	xfs_trans_log_buf(tp, bp, 0, BBTOB(XFS_QI_DQCHUNKLEN(mp)) - 1);
 }
 
@@ -544,8 +490,7 @@ xfs_qm_dqalloc(
 	 * the entire thing.
 	 */
 	xfs_qm_init_dquot_blk(tp, mp, INT_GET(dqp->q_core.d_id, ARCH_CONVERT),
-			      dqp->dq_flags & (XFS_DQ_USER|XFS_DQ_GROUP),
-			      bp);
+			      dqp->dq_flags & XFS_DQ_ALLTYPES, bp);
 
 	if ((error = xfs_bmap_finish(&tp, &flist, firstblock, &committed))) {
 		goto error1;
@@ -675,8 +620,7 @@ xfs_qm_dqtobp(
 	/*
 	 * A simple sanity check in case we got a corrupted dquot...
 	 */
-	if (xfs_qm_dqcheck(ddq, id,
-			   dqp->dq_flags & (XFS_DQ_USER|XFS_DQ_GROUP),
+	if (xfs_qm_dqcheck(ddq, id, dqp->dq_flags & XFS_DQ_ALLTYPES,
 			   flags & (XFS_QMOPT_DQREPAIR|XFS_QMOPT_DOWARN),
 			   "dqtobp")) {
 		if (!(flags & XFS_QMOPT_DQREPAIR)) {
@@ -953,8 +897,8 @@ int
 xfs_qm_dqget(
 	xfs_mount_t	*mp,
 	xfs_inode_t	*ip,	  /* locked inode (optional) */
-	xfs_dqid_t	id,	  /* gid or uid, depending on type */
-	uint		type,	  /* UDQUOT or GDQUOT */
+	xfs_dqid_t	id,	  /* uid/projid/gid depending on type */
+	uint		type,	  /* XFS_DQ_USER/XFS_DQ_PROJ/XFS_DQ_GROUP */
 	uint		flags,	  /* DQALLOC, DQSUSER, DQREPAIR, DOWARN */
 	xfs_dquot_t	**O_dqpp) /* OUT : locked incore dquot */
 {
@@ -965,6 +909,7 @@ xfs_qm_dqget(
 
 	ASSERT(XFS_IS_QUOTA_RUNNING(mp));
 	if ((! XFS_IS_UQUOTA_ON(mp) && type == XFS_DQ_USER) ||
+	    (! XFS_IS_PQUOTA_ON(mp) && type == XFS_DQ_PROJ) ||
 	    (! XFS_IS_GQUOTA_ON(mp) && type == XFS_DQ_GROUP)) {
 		return (ESRCH);
 	}
@@ -983,7 +928,9 @@ xfs_qm_dqget(
  again:
 
 #ifdef DEBUG
-	ASSERT(type == XFS_DQ_USER || type == XFS_DQ_GROUP);
+	ASSERT(type == XFS_DQ_USER ||
+	       type == XFS_DQ_PROJ ||
+	       type == XFS_DQ_GROUP);
 	if (ip) {
 		ASSERT(XFS_ISLOCKED_INODE_EXCL(ip));
 		if (type == XFS_DQ_USER)
@@ -1306,8 +1253,8 @@ xfs_qm_dqflush(
 		return (error);
 	}
 
-	if (xfs_qm_dqcheck(&dqp->q_core, INT_GET(ddqp->d_id, ARCH_CONVERT), 0, XFS_QMOPT_DOWARN,
-			   "dqflush (incore copy)")) {
+	if (xfs_qm_dqcheck(&dqp->q_core, INT_GET(ddqp->d_id, ARCH_CONVERT),
+			   0, XFS_QMOPT_DOWARN, "dqflush (incore copy)")) {
 		xfs_force_shutdown(dqp->q_mount, XFS_CORRUPT_INCORE);
 		return XFS_ERROR(EIO);
 	}
@@ -1459,7 +1406,8 @@ xfs_dqlock2(
 {
 	if (d1 && d2) {
 		ASSERT(d1 != d2);
-		if (INT_GET(d1->q_core.d_id, ARCH_CONVERT) > INT_GET(d2->q_core.d_id, ARCH_CONVERT)) {
+		if (INT_GET(d1->q_core.d_id, ARCH_CONVERT) >
+		    INT_GET(d2->q_core.d_id, ARCH_CONVERT)) {
 			xfs_dqlock(d2);
 			xfs_dqlock(d1);
 		} else {
@@ -1582,8 +1530,7 @@ xfs_qm_dqprint(xfs_dquot_t *dqp)
 	cmn_err(CE_DEBUG, "-----------KERNEL DQUOT----------------");
 	cmn_err(CE_DEBUG, "---- dquotID =  %d",
 		(int)INT_GET(dqp->q_core.d_id, ARCH_CONVERT));
-	cmn_err(CE_DEBUG, "---- type    =  %s",
-		XFS_QM_ISUDQ(dqp) ? "USR" : "GRP");
+	cmn_err(CE_DEBUG, "---- type    =  %s", DQFLAGTO_TYPESTR(dqp));
 	cmn_err(CE_DEBUG, "---- fs      =  0x%p", dqp->q_mount);
 	cmn_err(CE_DEBUG, "---- blkno   =  0x%x", (int) dqp->q_blkno);
 	cmn_err(CE_DEBUG, "---- boffset =  0x%x", (int) dqp->q_bufoffset);

fs/xfs/quota/xfs_dquot.h

@@ -114,25 +114,18 @@ typedef struct xfs_dquot {
 #define XFS_DQHOLD(dqp)		((dqp)->q_nrefs++)
 
 /*
- * Quota Accounting flags
+ * Quota Accounting/Enforcement flags
  */
-#define XFS_ALL_QUOTA_ACCT	(XFS_UQUOTA_ACCT | XFS_GQUOTA_ACCT)
-#define XFS_ALL_QUOTA_ENFD	(XFS_UQUOTA_ENFD | XFS_GQUOTA_ENFD)
-#define XFS_ALL_QUOTA_CHKD	(XFS_UQUOTA_CHKD | XFS_GQUOTA_CHKD)
-#define XFS_ALL_QUOTA_ACTV	(XFS_UQUOTA_ACTIVE | XFS_GQUOTA_ACTIVE)
-#define XFS_ALL_QUOTA_ACCT_ENFD (XFS_UQUOTA_ACCT|XFS_UQUOTA_ENFD|\
-				 XFS_GQUOTA_ACCT|XFS_GQUOTA_ENFD)
+#define XFS_ALL_QUOTA_ACCT	\
+		(XFS_UQUOTA_ACCT | XFS_GQUOTA_ACCT | XFS_PQUOTA_ACCT)
+#define XFS_ALL_QUOTA_ENFD	(XFS_UQUOTA_ENFD | XFS_OQUOTA_ENFD)
+#define XFS_ALL_QUOTA_CHKD	(XFS_UQUOTA_CHKD | XFS_OQUOTA_CHKD)
 
-#define XFS_IS_QUOTA_RUNNING(mp)  ((mp)->m_qflags & XFS_ALL_QUOTA_ACCT)
-#define XFS_IS_UQUOTA_RUNNING(mp) ((mp)->m_qflags & XFS_UQUOTA_ACCT)
-#define XFS_IS_GQUOTA_RUNNING(mp) ((mp)->m_qflags & XFS_GQUOTA_ACCT)
-
-/*
- * Quota Limit Enforcement flags
- */
+#define XFS_IS_QUOTA_RUNNING(mp)	((mp)->m_qflags & XFS_ALL_QUOTA_ACCT)
 #define XFS_IS_QUOTA_ENFORCED(mp)	((mp)->m_qflags & XFS_ALL_QUOTA_ENFD)
-#define XFS_IS_UQUOTA_ENFORCED(mp)	((mp)->m_qflags & XFS_UQUOTA_ENFD)
-#define XFS_IS_GQUOTA_ENFORCED(mp)	((mp)->m_qflags & XFS_GQUOTA_ENFD)
+#define XFS_IS_UQUOTA_RUNNING(mp)	((mp)->m_qflags & XFS_UQUOTA_ACCT)
+#define XFS_IS_PQUOTA_RUNNING(mp)	((mp)->m_qflags & XFS_PQUOTA_ACCT)
+#define XFS_IS_GQUOTA_RUNNING(mp)	((mp)->m_qflags & XFS_GQUOTA_ACCT)
 
 #ifdef DEBUG
 static inline int
@@ -167,6 +160,8 @@ XFS_DQ_IS_LOCKED(xfs_dquot_t *dqp)
 #define XFS_DQ_IS_ON_FREELIST(dqp)  ((dqp)->dq_flnext != (dqp))
 #define XFS_DQ_IS_DIRTY(dqp)	((dqp)->dq_flags & XFS_DQ_DIRTY)
 #define XFS_QM_ISUDQ(dqp)	((dqp)->dq_flags & XFS_DQ_USER)
+#define XFS_QM_ISPDQ(dqp)	((dqp)->dq_flags & XFS_DQ_PROJ)
+#define XFS_QM_ISGDQ(dqp)	((dqp)->dq_flags & XFS_DQ_GROUP)
 #define XFS_DQ_TO_QINF(dqp)	((dqp)->q_mount->m_quotainfo)
 #define XFS_DQ_TO_QIP(dqp)	(XFS_QM_ISUDQ(dqp) ? \
 				 XFS_DQ_TO_QINF(dqp)->qi_uquotaip : \
@@ -174,7 +169,7 @@ XFS_DQ_IS_LOCKED(xfs_dquot_t *dqp)
 
 #define XFS_IS_THIS_QUOTA_OFF(d) (! (XFS_QM_ISUDQ(d) ? \
 				     (XFS_IS_UQUOTA_ON((d)->q_mount)) : \
-				     (XFS_IS_GQUOTA_ON((d)->q_mount))))
+				     (XFS_IS_OQUOTA_ON((d)->q_mount))))
 
 #ifdef XFS_DQUOT_TRACE
 /*
@@ -211,7 +206,6 @@ extern void		xfs_qm_adjust_dqtimers(xfs_mount_t *,
 					xfs_disk_dquot_t *);
 extern void		xfs_qm_adjust_dqlimits(xfs_mount_t *,
 					xfs_disk_dquot_t *);
-extern int		xfs_qm_dqwarn(xfs_disk_dquot_t *, uint);
 extern int		xfs_qm_dqget(xfs_mount_t *, xfs_inode_t *,
 					xfs_dqid_t, uint, uint, xfs_dquot_t **);
 extern void		xfs_qm_dqput(xfs_dquot_t *);

fs/xfs/quota/xfs_dquot_item.c

@@ -428,7 +428,7 @@ xfs_qm_dquot_logitem_committing(
 /*
  * This is the ops vector for dquots
  */
-struct xfs_item_ops xfs_dquot_item_ops = {
+STATIC struct xfs_item_ops xfs_dquot_item_ops = {
 	.iop_size	= (uint(*)(xfs_log_item_t*))xfs_qm_dquot_logitem_size,
 	.iop_format	= (void(*)(xfs_log_item_t*, xfs_log_iovec_t*))
 					xfs_qm_dquot_logitem_format,
@@ -646,7 +646,7 @@ xfs_qm_qoffend_logitem_committing(xfs_qoff_logitem_t *qip, xfs_lsn_t commit_lsn)
 	return;
 }
 
-struct xfs_item_ops xfs_qm_qoffend_logitem_ops = {
+STATIC struct xfs_item_ops xfs_qm_qoffend_logitem_ops = {
 	.iop_size	= (uint(*)(xfs_log_item_t*))xfs_qm_qoff_logitem_size,
 	.iop_format	= (void(*)(xfs_log_item_t*, xfs_log_iovec_t*))
 					xfs_qm_qoff_logitem_format,
@@ -669,7 +669,7 @@ struct xfs_item_ops xfs_qm_qoffend_logitem_ops = {
 /*
  * This is the ops vector shared by all quotaoff-start log items.
  */
-struct xfs_item_ops xfs_qm_qoff_logitem_ops = {
+STATIC struct xfs_item_ops xfs_qm_qoff_logitem_ops = {
 	.iop_size	= (uint(*)(xfs_log_item_t*))xfs_qm_qoff_logitem_size,
 	.iop_format	= (void(*)(xfs_log_item_t*, xfs_log_iovec_t*))
 					xfs_qm_qoff_logitem_format,

fs/xfs/quota/xfs_qm.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000-2004 Silicon Graphics, Inc.  All Rights Reserved.
+ * Copyright (c) 2000-2005 Silicon Graphics, Inc.  All Rights Reserved.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of version 2 of the GNU General Public License as
@@ -133,8 +133,9 @@ typedef struct xfs_quotainfo {
 	time_t		 qi_btimelimit;	 /* limit for blks timer */
 	time_t		 qi_itimelimit;	 /* limit for inodes timer */
 	time_t		 qi_rtbtimelimit;/* limit for rt blks timer */
-	xfs_qwarncnt_t	 qi_bwarnlimit;	 /* limit for num warnings */
-	xfs_qwarncnt_t	 qi_iwarnlimit;	 /* limit for num warnings */
+	xfs_qwarncnt_t	 qi_bwarnlimit;	 /* limit for blks warnings */
+	xfs_qwarncnt_t	 qi_iwarnlimit;	 /* limit for inodes warnings */
+	xfs_qwarncnt_t	 qi_rtbwarnlimit;/* limit for rt blks warnings */
 	mutex_t		 qi_quotaofflock;/* to serialize quotaoff */
 	xfs_filblks_t	 qi_dqchunklen;	 /* # BBs in a chunk of dqs */
 	uint		 qi_dqperchunk;	 /* # ondisk dqs in above chunk */
@@ -176,6 +177,7 @@ typedef struct xfs_dquot_acct {
 
 #define XFS_QM_BWARNLIMIT	5
 #define XFS_QM_IWARNLIMIT	5
+#define XFS_QM_RTBWARNLIMIT	5
 
 #define XFS_QM_LOCK(xqm)	(mutex_lock(&xqm##_lock, PINOD))
 #define XFS_QM_UNLOCK(xqm)	(mutex_unlock(&xqm##_lock))
@@ -184,7 +186,6 @@ typedef struct xfs_dquot_acct {
 
 extern void		xfs_mount_reset_sbqflags(xfs_mount_t *);
 
-extern int		xfs_qm_init_quotainfo(xfs_mount_t *);
 extern void		xfs_qm_destroy_quotainfo(xfs_mount_t *);
 extern int		xfs_qm_mount_quotas(xfs_mount_t *, int);
 extern void		xfs_qm_mount_quotainit(xfs_mount_t *, uint);
@@ -203,7 +204,7 @@ extern void		xfs_qm_dqrele_all_inodes(xfs_mount_t *, uint);
 
 /* vop stuff */
 extern int		xfs_qm_vop_dqalloc(xfs_mount_t *, xfs_inode_t *,
-					uid_t, gid_t, uint,
+					uid_t, gid_t, prid_t, uint,
 					xfs_dquot_t **, xfs_dquot_t **);
 extern void		xfs_qm_vop_dqattach_and_dqmod_newinode(
 					xfs_trans_t *, xfs_inode_t *,
@@ -215,14 +216,9 @@ extern int		xfs_qm_vop_chown_reserve(xfs_trans_t *, xfs_inode_t *,
 					xfs_dquot_t *, xfs_dquot_t *, uint);
 
 /* list stuff */
-extern void		xfs_qm_freelist_init(xfs_frlist_t *);
-extern void		xfs_qm_freelist_destroy(xfs_frlist_t *);
-extern void		xfs_qm_freelist_insert(xfs_frlist_t *, xfs_dquot_t *);
 extern void		xfs_qm_freelist_append(xfs_frlist_t *, xfs_dquot_t *);
 extern void		xfs_qm_freelist_unlink(xfs_dquot_t *);
 extern int		xfs_qm_freelist_lock_nowait(xfs_qm_t *);
-extern int		xfs_qm_mplist_nowait(xfs_mount_t *);
-extern int		xfs_qm_dqhashlock_nowait(xfs_dquot_t *);
 
 /* system call interface */
 extern int		xfs_qm_quotactl(bhv_desc_t *, int, int, xfs_caddr_t);

fs/xfs/quota/xfs_qm_bhv.c

@@ -71,10 +71,13 @@
 #define MNTOPT_NOQUOTA	"noquota"	/* no quotas */
 #define MNTOPT_USRQUOTA	"usrquota"	/* user quota enabled */
 #define MNTOPT_GRPQUOTA	"grpquota"	/* group quota enabled */
+#define MNTOPT_PRJQUOTA	"prjquota"	/* project quota enabled */
 #define MNTOPT_UQUOTA	"uquota"	/* user quota (IRIX variant) */
 #define MNTOPT_GQUOTA	"gquota"	/* group quota (IRIX variant) */
+#define MNTOPT_PQUOTA	"pquota"	/* project quota (IRIX variant) */
 #define MNTOPT_UQUOTANOENF "uqnoenforce"/* user quota limit enforcement */
 #define MNTOPT_GQUOTANOENF "gqnoenforce"/* group quota limit enforcement */
+#define MNTOPT_PQUOTANOENF "pqnoenforce"/* project quota limit enforcement */
 #define MNTOPT_QUOTANOENF  "qnoenforce"	/* same as uqnoenforce */
 
 STATIC int
@@ -109,6 +112,14 @@ xfs_qm_parseargs(
 			args->flags |= XFSMNT_UQUOTA;
 			args->flags &= ~XFSMNT_UQUOTAENF;
 			referenced = 1;
+		} else if (!strcmp(this_char, MNTOPT_PQUOTA) ||
+			   !strcmp(this_char, MNTOPT_PRJQUOTA)) {
+			args->flags |= XFSMNT_PQUOTA | XFSMNT_PQUOTAENF;
+			referenced = 1;
+		} else if (!strcmp(this_char, MNTOPT_PQUOTANOENF)) {
+			args->flags |= XFSMNT_PQUOTA;
+			args->flags &= ~XFSMNT_PQUOTAENF;
+			referenced = 1;
 		} else if (!strcmp(this_char, MNTOPT_GQUOTA) ||
 			   !strcmp(this_char, MNTOPT_GRPQUOTA)) {
 			args->flags |= XFSMNT_GQUOTA | XFSMNT_GQUOTAENF;
@@ -127,6 +138,12 @@ xfs_qm_parseargs(
 			*this_char++ = ',';
 	}
 
+	if ((args->flags & XFSMNT_GQUOTA) && (args->flags & XFSMNT_PQUOTA)) {
+		cmn_err(CE_WARN,
+			"XFS: cannot mount with both project and group quota");
+		return XFS_ERROR(EINVAL);
+	}
+
 	PVFS_PARSEARGS(BHV_NEXT(bhv), options, args, update, error);
 	if (!error && !referenced)
 		bhv_remove_vfsops(bhvtovfs(bhv), VFS_POSITION_QM);
@@ -148,13 +165,19 @@ xfs_qm_showargs(
 			seq_puts(m, "," MNTOPT_UQUOTANOENF);
 	}
 
+	if (mp->m_qflags & XFS_PQUOTA_ACCT) {
+		(mp->m_qflags & XFS_OQUOTA_ENFD) ?
+			seq_puts(m, "," MNTOPT_PRJQUOTA) :
+			seq_puts(m, "," MNTOPT_PQUOTANOENF);
+	}
+
 	if (mp->m_qflags & XFS_GQUOTA_ACCT) {
-		(mp->m_qflags & XFS_GQUOTA_ENFD) ?
+		(mp->m_qflags & XFS_OQUOTA_ENFD) ?
 			seq_puts(m, "," MNTOPT_GRPQUOTA) :
 			seq_puts(m, "," MNTOPT_GQUOTANOENF);
 	}
 
-	if (!(mp->m_qflags & (XFS_UQUOTA_ACCT|XFS_GQUOTA_ACCT)))
+	if (!(mp->m_qflags & XFS_ALL_QUOTA_ACCT))
 		seq_puts(m, "," MNTOPT_NOQUOTA);
 
 	PVFS_SHOWARGS(BHV_NEXT(bhv), m, error);
@@ -171,7 +194,7 @@ xfs_qm_mount(
 	struct xfs_mount	*mp = XFS_VFSTOM(vfsp);
 	int			error;
 
-	if (args->flags & (XFSMNT_UQUOTA | XFSMNT_GQUOTA))
+	if (args->flags & (XFSMNT_UQUOTA | XFSMNT_GQUOTA | XFSMNT_PQUOTA))
 		xfs_qm_mount_quotainit(mp, args->flags);
 	PVFS_MOUNT(BHV_NEXT(bhv), args, cr, error);
 	return error;
@@ -255,16 +278,17 @@ xfs_qm_newmount(
 	uint		*quotaflags)
 {
 	uint		quotaondisk;
-	uint		uquotaondisk = 0, gquotaondisk = 0;
+	uint		uquotaondisk = 0, gquotaondisk = 0, pquotaondisk = 0;
 
 	*quotaflags = 0;
 	*needquotamount = B_FALSE;
 
 	quotaondisk = XFS_SB_VERSION_HASQUOTA(&mp->m_sb) &&
-		mp->m_sb.sb_qflags & (XFS_UQUOTA_ACCT|XFS_GQUOTA_ACCT);
+				(mp->m_sb.sb_qflags & XFS_ALL_QUOTA_ACCT);
 
 	if (quotaondisk) {
 		uquotaondisk = mp->m_sb.sb_qflags & XFS_UQUOTA_ACCT;
+		pquotaondisk = mp->m_sb.sb_qflags & XFS_PQUOTA_ACCT;
 		gquotaondisk = mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT;
 	}
 
@@ -277,13 +301,16 @@ xfs_qm_newmount(
 
 	if (((uquotaondisk && !XFS_IS_UQUOTA_ON(mp)) ||
 	    (!uquotaondisk &&  XFS_IS_UQUOTA_ON(mp)) ||
+	     (pquotaondisk && !XFS_IS_PQUOTA_ON(mp)) ||
+	    (!pquotaondisk &&  XFS_IS_PQUOTA_ON(mp)) ||
 	     (gquotaondisk && !XFS_IS_GQUOTA_ON(mp)) ||
-	    (!gquotaondisk &&  XFS_IS_GQUOTA_ON(mp)))  &&
+	    (!gquotaondisk &&  XFS_IS_OQUOTA_ON(mp)))  &&
 	    xfs_dev_is_read_only(mp, "changing quota state")) {
 		cmn_err(CE_WARN,
-			"XFS: please mount with%s%s%s.",
+			"XFS: please mount with%s%s%s%s.",
 			(!quotaondisk ? "out quota" : ""),
 			(uquotaondisk ? " usrquota" : ""),
+			(pquotaondisk ? " prjquota" : ""),
 			(gquotaondisk ? " grpquota" : ""));
 		return XFS_ERROR(EPERM);
 	}
@@ -359,7 +386,7 @@ xfs_qm_dqrele_null(
 }
 
 
-struct xfs_qmops xfs_qmcore_xfs = {
+STATIC struct xfs_qmops xfs_qmcore_xfs = {
 	.xfs_qminit		= xfs_qm_newmount,
 	.xfs_qmdone		= xfs_qm_unmount_quotadestroy,
 	.xfs_qmmount		= xfs_qm_endmount,

fs/xfs/quota/xfs_qm_syscalls.c

@@ -118,40 +118,41 @@ xfs_qm_quotactl(
 	 * The following commands are valid even when quotaoff.
 	 */
 	switch (cmd) {
+	case Q_XQUOTARM:
 		/*
-		 * truncate quota files. quota must be off.
+		 * Truncate quota files. quota must be off.
 		 */
-	      case Q_XQUOTARM:
 		if (XFS_IS_QUOTA_ON(mp) || addr == NULL)
 			return XFS_ERROR(EINVAL);
 		if (vfsp->vfs_flag & VFS_RDONLY)
 			return XFS_ERROR(EROFS);
 		return (xfs_qm_scall_trunc_qfiles(mp,
 			       xfs_qm_import_qtype_flags(*(uint *)addr)));
+
+	case Q_XGETQSTAT:
 		/*
 		 * Get quota status information.
 		 */
-	      case Q_XGETQSTAT:
 		return (xfs_qm_scall_getqstat(mp, (fs_quota_stat_t *)addr));
 
+	case Q_XQUOTAON:
 		/*
-		 * QUOTAON for root f/s and quota enforcement on others..
-		 * Quota accounting for non-root f/s's must be turned on
-		 * at mount time.
+		 * QUOTAON - enabling quota enforcement.
+		 * Quota accounting must be turned on at mount time.
 		 */
-	      case Q_XQUOTAON:
 		if (addr == NULL)
 			return XFS_ERROR(EINVAL);
 		if (vfsp->vfs_flag & VFS_RDONLY)
 			return XFS_ERROR(EROFS);
 		return (xfs_qm_scall_quotaon(mp,
 					  xfs_qm_import_flags(*(uint *)addr)));
-	      case Q_XQUOTAOFF:
+
+	case Q_XQUOTAOFF:
 		if (vfsp->vfs_flag & VFS_RDONLY)
 			return XFS_ERROR(EROFS);
 		break;
 
-	      default:
+	default:
 		break;
 	}
 
@@ -159,7 +160,7 @@ xfs_qm_quotactl(
 		return XFS_ERROR(ESRCH);
 
 	switch (cmd) {
-	      case Q_XQUOTAOFF:
+	case Q_XQUOTAOFF:
 		if (vfsp->vfs_flag & VFS_RDONLY)
 			return XFS_ERROR(EROFS);
 		error = xfs_qm_scall_quotaoff(mp,
@@ -167,42 +168,39 @@ xfs_qm_quotactl(
 					    B_FALSE);
 		break;
 
-		/*
-		 * Defaults to XFS_GETUQUOTA.
-		 */
-	      case Q_XGETQUOTA:
+	case Q_XGETQUOTA:
 		error = xfs_qm_scall_getquota(mp, (xfs_dqid_t)id, XFS_DQ_USER,
 					(fs_disk_quota_t *)addr);
 		break;
-		/*
-		 * Set limits, both hard and soft. Defaults to Q_SETUQLIM.
-		 */
-	      case Q_XSETQLIM:
+	case Q_XGETGQUOTA:
+		error = xfs_qm_scall_getquota(mp, (xfs_dqid_t)id, XFS_DQ_GROUP,
+					(fs_disk_quota_t *)addr);
+		break;
+	case Q_XGETPQUOTA:
+		error = xfs_qm_scall_getquota(mp, (xfs_dqid_t)id, XFS_DQ_PROJ,
+					(fs_disk_quota_t *)addr);
+		break;
+
+	case Q_XSETQLIM:
 		if (vfsp->vfs_flag & VFS_RDONLY)
 			return XFS_ERROR(EROFS);
 		error = xfs_qm_scall_setqlim(mp, (xfs_dqid_t)id, XFS_DQ_USER,
 					     (fs_disk_quota_t *)addr);
 		break;
-
-	       case Q_XSETGQLIM:
+	case Q_XSETGQLIM:
 		if (vfsp->vfs_flag & VFS_RDONLY)
 			return XFS_ERROR(EROFS);
 		error = xfs_qm_scall_setqlim(mp, (xfs_dqid_t)id, XFS_DQ_GROUP,
 					     (fs_disk_quota_t *)addr);
 		break;
-
-
-	      case Q_XGETGQUOTA:
-		error = xfs_qm_scall_getquota(mp, (xfs_dqid_t)id, XFS_DQ_GROUP,
-					(fs_disk_quota_t *)addr);
+	case Q_XSETPQLIM:
+		if (vfsp->vfs_flag & VFS_RDONLY)
+			return XFS_ERROR(EROFS);
+		error = xfs_qm_scall_setqlim(mp, (xfs_dqid_t)id, XFS_DQ_PROJ,
+					     (fs_disk_quota_t *)addr);
 		break;
 
-		/*
-		 * Quotas are entirely undefined after quotaoff in XFS quotas.
-		 * For instance, there's no way to set limits when quotaoff.
-		 */
-
-	      default:
+	default:
 		error = XFS_ERROR(EINVAL);
 		break;
 	}
@@ -286,8 +284,12 @@ xfs_qm_scall_quotaoff(
 	}
 	if (flags & XFS_GQUOTA_ACCT) {
 		dqtype |= XFS_QMOPT_GQUOTA;
-		flags |= (XFS_GQUOTA_CHKD | XFS_GQUOTA_ENFD);
+		flags |= (XFS_OQUOTA_CHKD | XFS_OQUOTA_ENFD);
 		inactivate_flags |= XFS_GQUOTA_ACTIVE;
+	} else if (flags & XFS_PQUOTA_ACCT) {
+		dqtype |= XFS_QMOPT_PQUOTA;
+		flags |= (XFS_OQUOTA_CHKD | XFS_OQUOTA_ENFD);
+		inactivate_flags |= XFS_PQUOTA_ACTIVE;
 	}
 
 	/*
@@ -364,7 +366,8 @@ xfs_qm_scall_quotaoff(
 	/*
 	 * If quotas is completely disabled, close shop.
 	 */
-	if ((flags & XFS_MOUNT_QUOTA_ALL) == XFS_MOUNT_QUOTA_ALL) {
+	if (((flags & XFS_MOUNT_QUOTA_ALL) == XFS_MOUNT_QUOTA_SET1) ||
+	    ((flags & XFS_MOUNT_QUOTA_ALL) == XFS_MOUNT_QUOTA_SET2)) {
 		mutex_unlock(&(XFS_QI_QOFFLOCK(mp)));
 		xfs_qm_destroy_quotainfo(mp);
 		return (0);
@@ -378,7 +381,7 @@ xfs_qm_scall_quotaoff(
 		XFS_PURGE_INODE(XFS_QI_UQIP(mp));
 		XFS_QI_UQIP(mp) = NULL;
 	}
-	if ((dqtype & XFS_QMOPT_GQUOTA) && XFS_QI_GQIP(mp)) {
+	if ((dqtype & (XFS_QMOPT_GQUOTA|XFS_QMOPT_PQUOTA)) && XFS_QI_GQIP(mp)) {
 		XFS_PURGE_INODE(XFS_QI_GQIP(mp));
 		XFS_QI_GQIP(mp) = NULL;
 	}
@@ -411,7 +414,8 @@ xfs_qm_scall_trunc_qfiles(
 		}
 	}
 
-	if ((flags & XFS_DQ_GROUP) && mp->m_sb.sb_gquotino != NULLFSINO) {
+	if ((flags & (XFS_DQ_GROUP|XFS_DQ_PROJ)) &&
+	    mp->m_sb.sb_gquotino != NULLFSINO) {
 		error = xfs_iget(mp, NULL, mp->m_sb.sb_gquotino, 0, 0, &qip, 0);
 		if (! error) {
 			(void) xfs_truncate_file(mp, qip);
@@ -434,7 +438,7 @@ xfs_qm_scall_quotaon(
 	uint		flags)
 {
 	int		error;
-	unsigned long s;
+	unsigned long	s;
 	uint		qf;
 	uint		accflags;
 	__int64_t	sbflags;
@@ -468,9 +472,13 @@ xfs_qm_scall_quotaon(
 	    (mp->m_sb.sb_qflags & XFS_UQUOTA_ACCT) == 0 &&
 	    (flags & XFS_UQUOTA_ENFD))
 	    ||
+	    ((flags & XFS_PQUOTA_ACCT) == 0 &&
+	    (mp->m_sb.sb_qflags & XFS_PQUOTA_ACCT) == 0 &&
+	    (flags & XFS_OQUOTA_ENFD))
+	    ||
 	    ((flags & XFS_GQUOTA_ACCT) == 0 &&
 	    (mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT) == 0 &&
-	    (flags & XFS_GQUOTA_ENFD))) {
+	    (flags & XFS_OQUOTA_ENFD))) {
 		qdprintk("Can't enforce without acct, flags=%x sbflags=%x\n",
 			flags, mp->m_sb.sb_qflags);
 		return XFS_ERROR(EINVAL);
@@ -504,6 +512,10 @@ xfs_qm_scall_quotaon(
 	 */
 	if  (((mp->m_sb.sb_qflags & XFS_UQUOTA_ACCT) !=
 	     (mp->m_qflags & XFS_UQUOTA_ACCT)) ||
+	     ((mp->m_sb.sb_qflags & XFS_PQUOTA_ACCT) !=
+	     (mp->m_qflags & XFS_PQUOTA_ACCT)) ||
+	     ((mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT) !=
+	     (mp->m_qflags & XFS_GQUOTA_ACCT)) ||
 	    (flags & XFS_ALL_QUOTA_ENFD) == 0)
 		return (0);
 
@@ -521,7 +533,6 @@ xfs_qm_scall_quotaon(
 }
 
 
-
 /*
  * Return quota status information, such as uquota-off, enforcements, etc.
  */
@@ -606,7 +617,8 @@ xfs_qm_scall_setqlim(
 	if (!capable(CAP_SYS_ADMIN))
 		return XFS_ERROR(EPERM);
 
-	if ((newlim->d_fieldmask & (FS_DQ_LIMIT_MASK|FS_DQ_TIMER_MASK)) == 0)
+	if ((newlim->d_fieldmask &
+	    (FS_DQ_LIMIT_MASK|FS_DQ_TIMER_MASK|FS_DQ_WARNS_MASK)) == 0)
 		return (0);
 
 	tp = xfs_trans_alloc(mp, XFS_TRANS_QM_SETQLIM);
@@ -691,12 +703,23 @@ xfs_qm_scall_setqlim(
 		qdprintk("ihard %Ld < isoft %Ld\n", hard, soft);
 	}
 
+	/*
+	 * Update warnings counter(s) if requested
+	 */
+	if (newlim->d_fieldmask & FS_DQ_BWARNS)
+		INT_SET(ddq->d_bwarns, ARCH_CONVERT, newlim->d_bwarns);
+	if (newlim->d_fieldmask & FS_DQ_IWARNS)
+		INT_SET(ddq->d_iwarns, ARCH_CONVERT, newlim->d_iwarns);
+	if (newlim->d_fieldmask & FS_DQ_RTBWARNS)
+		INT_SET(ddq->d_rtbwarns, ARCH_CONVERT, newlim->d_rtbwarns);
+
 	if (id == 0) {
 		/*
 		 * Timelimits for the super user set the relative time
 		 * the other users can be over quota for this file system.
 		 * If it is zero a default is used.  Ditto for the default
-		 * soft and hard limit values (already done, above).
+		 * soft and hard limit values (already done, above), and
+		 * for warnings.
 		 */
 		if (newlim->d_fieldmask & FS_DQ_BTIMER) {
 			mp->m_quotainfo->qi_btimelimit = newlim->d_btimer;
@@ -710,7 +733,13 @@ xfs_qm_scall_setqlim(
 			mp->m_quotainfo->qi_rtbtimelimit = newlim->d_rtbtimer;
 			INT_SET(ddq->d_rtbtimer, ARCH_CONVERT, newlim->d_rtbtimer);
 		}
-	} else /* if (XFS_IS_QUOTA_ENFORCED(mp)) */ {
+		if (newlim->d_fieldmask & FS_DQ_BWARNS)
+			mp->m_quotainfo->qi_bwarnlimit = newlim->d_bwarns;
+		if (newlim->d_fieldmask & FS_DQ_IWARNS)
+			mp->m_quotainfo->qi_iwarnlimit = newlim->d_iwarns;
+		if (newlim->d_fieldmask & FS_DQ_RTBWARNS)
+			mp->m_quotainfo->qi_rtbwarnlimit = newlim->d_rtbwarns;
+	} else {
 		/*
 		 * If the user is now over quota, start the timelimit.
 		 * The user will not be 'warned'.
@@ -776,9 +805,9 @@ xfs_qm_log_quotaoff_end(
 	xfs_qoff_logitem_t	*startqoff,
 	uint			flags)
 {
-	xfs_trans_t	       *tp;
+	xfs_trans_t		*tp;
 	int			error;
-	xfs_qoff_logitem_t     *qoffi;
+	xfs_qoff_logitem_t	*qoffi;
 
 	tp = xfs_trans_alloc(mp, XFS_TRANS_QM_QUOTAOFF_END);
 
@@ -928,18 +957,26 @@ xfs_qm_export_dquot(
 
 STATIC uint
 xfs_qm_import_qtype_flags(
-	uint uflags)
+	uint		uflags)
 {
+	uint		oflags = 0;
+
 	/*
-	 * Can't be both at the same time.
+	 * Can't be more than one, or none.
 	 */
 	if (((uflags & (XFS_GROUP_QUOTA | XFS_USER_QUOTA)) ==
-	     (XFS_GROUP_QUOTA | XFS_USER_QUOTA)) ||
-	    ((uflags & (XFS_GROUP_QUOTA | XFS_USER_QUOTA)) == 0))
+			(XFS_GROUP_QUOTA | XFS_USER_QUOTA)) ||
+	    ((uflags & (XFS_GROUP_QUOTA | XFS_PROJ_QUOTA)) ==
+			(XFS_GROUP_QUOTA | XFS_PROJ_QUOTA)) ||
+	    ((uflags & (XFS_USER_QUOTA | XFS_PROJ_QUOTA)) ==
+			(XFS_USER_QUOTA | XFS_PROJ_QUOTA)) ||
+	    ((uflags & (XFS_GROUP_QUOTA|XFS_USER_QUOTA|XFS_PROJ_QUOTA)) == 0))
 		return (0);
 
-	return (uflags & XFS_USER_QUOTA) ?
-		XFS_DQ_USER : XFS_DQ_GROUP;
+	oflags |= (uflags & XFS_USER_QUOTA) ? XFS_DQ_USER : 0;
+	oflags |= (uflags & XFS_PROJ_QUOTA) ? XFS_DQ_PROJ : 0;
+	oflags |= (uflags & XFS_GROUP_QUOTA) ? XFS_DQ_GROUP: 0;
+	return oflags;
 }
 
 STATIC uint
@@ -947,14 +984,19 @@ xfs_qm_export_qtype_flags(
 	uint flags)
 {
 	/*
-	 * Can't be both at the same time.
+	 * Can't be more than one, or none.
 	 */
-	ASSERT((flags & (XFS_GROUP_QUOTA | XFS_USER_QUOTA)) !=
-		(XFS_GROUP_QUOTA | XFS_USER_QUOTA));
-	ASSERT((flags & (XFS_GROUP_QUOTA | XFS_USER_QUOTA)) != 0);
+	ASSERT((flags & (XFS_PROJ_QUOTA | XFS_USER_QUOTA)) !=
+		(XFS_PROJ_QUOTA | XFS_USER_QUOTA));
+	ASSERT((flags & (XFS_PROJ_QUOTA | XFS_GROUP_QUOTA)) !=
+		(XFS_PROJ_QUOTA | XFS_GROUP_QUOTA));
+	ASSERT((flags & (XFS_USER_QUOTA | XFS_GROUP_QUOTA)) !=
+		(XFS_USER_QUOTA | XFS_GROUP_QUOTA));
+	ASSERT((flags & (XFS_PROJ_QUOTA|XFS_USER_QUOTA|XFS_GROUP_QUOTA)) != 0);
 
 	return (flags & XFS_DQ_USER) ?
-		XFS_USER_QUOTA : XFS_GROUP_QUOTA;
+		XFS_USER_QUOTA : (flags & XFS_DQ_PROJ) ?
+			XFS_PROJ_QUOTA : XFS_GROUP_QUOTA;
 }
 
 STATIC uint
@@ -965,12 +1007,14 @@ xfs_qm_import_flags(
 
 	if (uflags & XFS_QUOTA_UDQ_ACCT)
 		flags |= XFS_UQUOTA_ACCT;
+	if (uflags & XFS_QUOTA_PDQ_ACCT)
+		flags |= XFS_PQUOTA_ACCT;
 	if (uflags & XFS_QUOTA_GDQ_ACCT)
 		flags |= XFS_GQUOTA_ACCT;
 	if (uflags & XFS_QUOTA_UDQ_ENFD)
 		flags |= XFS_UQUOTA_ENFD;
-	if (uflags & XFS_QUOTA_GDQ_ENFD)
-		flags |= XFS_GQUOTA_ENFD;
+	if (uflags & (XFS_QUOTA_PDQ_ENFD|XFS_QUOTA_GDQ_ENFD))
+		flags |= XFS_OQUOTA_ENFD;
 	return (flags);
 }
 
@@ -984,12 +1028,16 @@ xfs_qm_export_flags(
 	uflags = 0;
 	if (flags & XFS_UQUOTA_ACCT)
 		uflags |= XFS_QUOTA_UDQ_ACCT;
+	if (flags & XFS_PQUOTA_ACCT)
+		uflags |= XFS_QUOTA_PDQ_ACCT;
 	if (flags & XFS_GQUOTA_ACCT)
 		uflags |= XFS_QUOTA_GDQ_ACCT;
 	if (flags & XFS_UQUOTA_ENFD)
 		uflags |= XFS_QUOTA_UDQ_ENFD;
-	if (flags & XFS_GQUOTA_ENFD)
-		uflags |= XFS_QUOTA_GDQ_ENFD;
+	if (flags & (XFS_OQUOTA_ENFD)) {
+		uflags |= (flags & XFS_GQUOTA_ACCT) ?
+			XFS_QUOTA_GDQ_ENFD : XFS_QUOTA_PDQ_ENFD;
+	}
 	return (uflags);
 }
 
@@ -1070,7 +1118,7 @@ again:
 			xfs_qm_dqrele(ip->i_udquot);
 			ip->i_udquot = NULL;
 		}
-		if ((flags & XFS_GQUOTA_ACCT) && ip->i_gdquot) {
+		if (flags & (XFS_PQUOTA_ACCT|XFS_GQUOTA_ACCT) && ip->i_gdquot) {
 			xfs_qm_dqrele(ip->i_gdquot);
 			ip->i_gdquot = NULL;
 		}
@@ -1160,7 +1208,6 @@ xfs_qm_dqtest_print(
 {
 	cmn_err(CE_DEBUG, "-----------DQTEST DQUOT----------------");
 	cmn_err(CE_DEBUG, "---- dquot ID = %d", d->d_id);
-	cmn_err(CE_DEBUG, "---- type     = %s", XFS_QM_ISUDQ(d)? "USR" : "GRP");
 	cmn_err(CE_DEBUG, "---- fs       = 0x%p", d->q_mount);
 	cmn_err(CE_DEBUG, "---- bcount   = %Lu (0x%x)",
 		d->d_bcount, (int)d->d_bcount);
@@ -1231,7 +1278,7 @@ xfs_dqtest_cmp2(
 #ifdef QUOTADEBUG
 	if (!err) {
 		cmn_err(CE_DEBUG, "%d [%s] [0x%p] qchecked",
-			d->d_id, XFS_QM_ISUDQ(d) ? "USR" : "GRP", d->q_mount);
+			d->d_id, DQFLAGTO_TYPESTR(d), d->q_mount);
 	}
 #endif
 	return (err);
@@ -1287,6 +1334,7 @@ STATIC void
 xfs_qm_internalqcheck_get_dquots(
 	xfs_mount_t	*mp,
 	xfs_dqid_t	uid,
+	xfs_dqid_t	projid,
 	xfs_dqid_t	gid,
 	xfs_dqtest_t	**ud,
 	xfs_dqtest_t	**gd)
@@ -1295,6 +1343,8 @@ xfs_qm_internalqcheck_get_dquots(
 		xfs_qm_internalqcheck_dqget(mp, uid, XFS_DQ_USER, ud);
 	if (XFS_IS_GQUOTA_ON(mp))
 		xfs_qm_internalqcheck_dqget(mp, gid, XFS_DQ_GROUP, gd);
+	else if (XFS_IS_PQUOTA_ON(mp))
+		xfs_qm_internalqcheck_dqget(mp, projid, XFS_DQ_PROJ, gd);
 }
 
 
@@ -1362,13 +1412,14 @@ xfs_qm_internalqcheck_adjust(
 	}
 	xfs_qm_internalqcheck_get_dquots(mp,
 					(xfs_dqid_t) ip->i_d.di_uid,
+					(xfs_dqid_t) ip->i_d.di_projid,
 					(xfs_dqid_t) ip->i_d.di_gid,
 					&ud, &gd);
 	if (XFS_IS_UQUOTA_ON(mp)) {
 		ASSERT(ud);
 		xfs_qm_internalqcheck_dqadjust(ip, ud);
 	}
-	if (XFS_IS_GQUOTA_ON(mp)) {
+	if (XFS_IS_OQUOTA_ON(mp)) {
 		ASSERT(gd);
 		xfs_qm_internalqcheck_dqadjust(ip, gd);
 	}

fs/xfs/quota/xfs_quota_priv.h

@@ -56,6 +56,7 @@
 #define XFS_QI_RTBTIMELIMIT(mp) ((mp)->m_quotainfo->qi_rtbtimelimit)
 #define XFS_QI_ITIMELIMIT(mp)	((mp)->m_quotainfo->qi_itimelimit)
 #define XFS_QI_BWARNLIMIT(mp)	((mp)->m_quotainfo->qi_bwarnlimit)
+#define XFS_QI_RTBWARNLIMIT(mp)	((mp)->m_quotainfo->qi_rtbwarnlimit)
 #define XFS_QI_IWARNLIMIT(mp)	((mp)->m_quotainfo->qi_iwarnlimit)
 #define XFS_QI_QOFFLOCK(mp)	((mp)->m_quotainfo->qi_quotaofflock)
 
@@ -102,7 +103,8 @@ static inline int XQMISLCKD(struct xfs_dqhash *h)
 				     (xfs_Gqm->qm_grp_dqhtable + \
 				      XFS_DQ_HASHVAL(mp, id)))
 #define XFS_IS_DQTYPE_ON(mp, type)   (type == XFS_DQ_USER ? \
-				      XFS_IS_UQUOTA_ON(mp):XFS_IS_GQUOTA_ON(mp))
+					XFS_IS_UQUOTA_ON(mp) : \
+					XFS_IS_OQUOTA_ON(mp))
 #define XFS_IS_DQUOT_UNINITIALIZED(dqp) ( \
 	!dqp->q_core.d_blk_hardlimit && \
 	!dqp->q_core.d_blk_softlimit && \
@@ -177,16 +179,11 @@ for ((dqp) = (qlist)->qh_next; (dqp) != (xfs_dquot_t *)(qlist); \
 	(!((dqp)->q_core.d_id))
 
 #define XFS_PURGE_INODE(ip)		\
-	{				\
-	  vmap_t dqvmap;		\
-	  vnode_t *dqvp;		\
-	  dqvp = XFS_ITOV(ip);		\
-	  VMAP(dqvp, dqvmap);		\
-	  VN_RELE(dqvp);		\
-	}
+	IRELE(ip);
 
 #define DQFLAGTO_TYPESTR(d)	(((d)->dq_flags & XFS_DQ_USER) ? "USR" : \
-				 (((d)->dq_flags & XFS_DQ_GROUP) ? "GRP" : "???"))
+				 (((d)->dq_flags & XFS_DQ_GROUP) ? "GRP" : \
+				 (((d)->dq_flags & XFS_DQ_PROJ) ? "PRJ":"???")))
 #define DQFLAGTO_DIRTYSTR(d)	(XFS_DQ_IS_DIRTY(d) ? "DIRTY" : "NOTDIRTY")
 
 #endif	/* __XFS_QUOTA_PRIV_H__ */

fs/xfs/quota/xfs_trans_dquot.c

@@ -187,7 +187,7 @@ xfs_trans_dup_dqinfo(
 /*
  * Wrap around mod_dquot to account for both user and group quotas.
  */
-void
+STATIC void
 xfs_trans_mod_dquot_byino(
 	xfs_trans_t	*tp,
 	xfs_inode_t	*ip,
@@ -207,12 +207,10 @@ xfs_trans_mod_dquot_byino(
 	if (tp->t_dqinfo == NULL)
 		xfs_trans_alloc_dqinfo(tp);
 
-	if (XFS_IS_UQUOTA_ON(mp) && ip->i_udquot) {
+	if (XFS_IS_UQUOTA_ON(mp) && ip->i_udquot)
 		(void) xfs_trans_mod_dquot(tp, ip->i_udquot, field, delta);
-	}
-	if (XFS_IS_GQUOTA_ON(mp) && ip->i_gdquot) {
+	if (XFS_IS_OQUOTA_ON(mp) && ip->i_gdquot)
 		(void) xfs_trans_mod_dquot(tp, ip->i_gdquot, field, delta);
-	}
 }
 
 STATIC xfs_dqtrx_t *
@@ -368,7 +366,7 @@ xfs_trans_dqlockedjoin(
  * Unreserve just the reservations done by this transaction.
  * dquot is still left locked at exit.
  */
-void
+STATIC void
 xfs_trans_apply_dquot_deltas(
 	xfs_trans_t		*tp)
 {
@@ -499,7 +497,7 @@ xfs_trans_apply_dquot_deltas(
 			 * Adjust the RT reservation.
 			 */
 			if (qtrx->qt_rtblk_res != 0) {
-				if (qtrx->qt_blk_res != qtrx->qt_blk_res_used) {
+				if (qtrx->qt_rtblk_res != qtrx->qt_rtblk_res_used) {
 					if (qtrx->qt_rtblk_res >
 					    qtrx->qt_rtblk_res_used)
 					       dqp->q_res_rtbcount -= (xfs_qcnt_t)
@@ -532,12 +530,6 @@ xfs_trans_apply_dquot_deltas(
 					    (xfs_qcnt_t)qtrx->qt_icount_delta;
 			}
 
-
-#ifdef QUOTADEBUG
-			if (qtrx->qt_rtblk_res != 0)
-				cmn_err(CE_DEBUG, "RT res %d for 0x%p\n",
-					(int) qtrx->qt_rtblk_res, dqp);
-#endif
 			ASSERT(dqp->q_res_bcount >=
 				INT_GET(dqp->q_core.d_bcount, ARCH_CONVERT));
 			ASSERT(dqp->q_res_icount >=
@@ -638,7 +630,10 @@ xfs_trans_dqresv(
 	int		error;
 	xfs_qcnt_t	hardlimit;
 	xfs_qcnt_t	softlimit;
-	time_t		btimer;
+	time_t		timer;
+	xfs_qwarncnt_t	warns;
+	xfs_qwarncnt_t	warnlimit;
+	xfs_qcnt_t	count;
 	xfs_qcnt_t	*resbcountp;
 	xfs_quotainfo_t	*q = mp->m_quotainfo;
 
@@ -653,7 +648,9 @@ xfs_trans_dqresv(
 		softlimit = INT_GET(dqp->q_core.d_blk_softlimit, ARCH_CONVERT);
 		if (!softlimit)
 			softlimit = q->qi_bsoftlimit;
-		btimer = INT_GET(dqp->q_core.d_btimer, ARCH_CONVERT);
+		timer = INT_GET(dqp->q_core.d_btimer, ARCH_CONVERT);
+		warns = INT_GET(dqp->q_core.d_bwarns, ARCH_CONVERT);
+		warnlimit = XFS_QI_BWARNLIMIT(dqp->q_mount);
 		resbcountp = &dqp->q_res_bcount;
 	} else {
 		ASSERT(flags & XFS_TRANS_DQ_RES_RTBLKS);
@@ -663,7 +660,9 @@ xfs_trans_dqresv(
 		softlimit = INT_GET(dqp->q_core.d_rtb_softlimit, ARCH_CONVERT);
 		if (!softlimit)
 			softlimit = q->qi_rtbsoftlimit;
-		btimer = INT_GET(dqp->q_core.d_rtbtimer, ARCH_CONVERT);
+		timer = INT_GET(dqp->q_core.d_rtbtimer, ARCH_CONVERT);
+		warns = INT_GET(dqp->q_core.d_rtbwarns, ARCH_CONVERT);
+		warnlimit = XFS_QI_RTBWARNLIMIT(dqp->q_mount);
 		resbcountp = &dqp->q_res_rtbcount;
 	}
 	error = 0;
@@ -693,37 +692,36 @@ xfs_trans_dqresv(
 				 * If timer or warnings has expired,
 				 * return EDQUOT
 				 */
-				if ((btimer != 0 && get_seconds() > btimer) ||
-				    (dqp->q_core.d_bwarns &&
-				     INT_GET(dqp->q_core.d_bwarns, ARCH_CONVERT) >=
-				     XFS_QI_BWARNLIMIT(dqp->q_mount))) {
+				if ((timer != 0 && get_seconds() > timer) ||
+				    (warns != 0 && warns >= warnlimit)) {
 					error = EDQUOT;
 					goto error_return;
 				}
 			}
 		}
 		if (ninos > 0) {
-			hardlimit = INT_GET(dqp->q_core.d_ino_hardlimit, ARCH_CONVERT);
+			count = INT_GET(dqp->q_core.d_icount, ARCH_CONVERT);
+			timer = INT_GET(dqp->q_core.d_itimer, ARCH_CONVERT);
+			warns = INT_GET(dqp->q_core.d_iwarns, ARCH_CONVERT);
+			warnlimit = XFS_QI_IWARNLIMIT(dqp->q_mount);
+			hardlimit = INT_GET(dqp->q_core.d_ino_hardlimit,
+						ARCH_CONVERT);
 			if (!hardlimit)
 				hardlimit = q->qi_ihardlimit;
-			softlimit = INT_GET(dqp->q_core.d_ino_softlimit, ARCH_CONVERT);
+			softlimit = INT_GET(dqp->q_core.d_ino_softlimit,
+						ARCH_CONVERT);
 			if (!softlimit)
 				softlimit = q->qi_isoftlimit;
-			if (hardlimit > 0ULL &&
-			    INT_GET(dqp->q_core.d_icount, ARCH_CONVERT) >= hardlimit) {
+			if (hardlimit > 0ULL && count >= hardlimit) {
 				error = EDQUOT;
 				goto error_return;
-			} else if (softlimit > 0ULL &&
-				   INT_GET(dqp->q_core.d_icount, ARCH_CONVERT) >= softlimit) {
+			} else if (softlimit > 0ULL && count >= softlimit) {
 				/*
 				 * If timer or warnings has expired,
 				 * return EDQUOT
 				 */
-				if ((dqp->q_core.d_itimer &&
-				     get_seconds() > INT_GET(dqp->q_core.d_itimer, ARCH_CONVERT)) ||
-				    (dqp->q_core.d_iwarns &&
-				     INT_GET(dqp->q_core.d_iwarns, ARCH_CONVERT) >=
-				     XFS_QI_IWARNLIMIT(dqp->q_mount))) {
+				if ((timer != 0 && get_seconds() > timer) ||
+				     (warns != 0 && warns >= warnlimit)) {
 					error = EDQUOT;
 					goto error_return;
 				}