14 files changed, 169 insertions, 145 deletions

diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c
index 9278e9aba9ba..a3a4b5aaf5d9 100644
--- a/fs/xfs/linux-2.6/xfs_aops.c
+++ b/fs/xfs/linux-2.6/xfs_aops.c
@@ -149,11 +149,12 @@ linvfs_unwritten_convert(
  */
 STATIC void
 linvfs_unwritten_convert_direct(
-        struct inode    *inode,
+        struct kiocb    *iocb,
         loff_t          offset,
         ssize_t         size,
         void            *private)
 {
+        struct inode    *inode = iocb->ki_filp->f_dentry->d_inode;
         ASSERT(!private || inode == (struct inode *)private);
 
         /* private indicates an unwritten extent lay beneath this IO */
@@ -886,7 +887,6 @@ xfs_page_state_convert(
                 SetPageUptodate(page);
 
         if (startio) {
-                WARN_ON(page_dirty);
                 xfs_submit_page(page, wbc, bh_arr, cnt, 0, !page_dirty);
         }
 
diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c
index 997963e53622..df0cba239dd5 100644
--- a/fs/xfs/linux-2.6/xfs_buf.c
+++ b/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;
-                        refrigerator(PF_FREEZE);
+                if (unlikely(freezing(current))) {
+                        xfsbufd_force_sleep = 1;
+                        refrigerator();
                 } 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);
 }
diff --git a/fs/xfs/linux-2.6/xfs_buf.h b/fs/xfs/linux-2.6/xfs_buf.h
index 74deed8e6d90..3f8f69a66aea 100644
--- a/fs/xfs/linux-2.6/xfs_buf.h
+++ b/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) \
diff --git a/fs/xfs/linux-2.6/xfs_file.c b/fs/xfs/linux-2.6/xfs_file.c
index d0d412afd261..f1ce4323f56e 100644
--- a/fs/xfs/linux-2.6/xfs_file.c
+++ b/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 */
@@ -565,7 +578,7 @@ struct file_operations linvfs_file_operations = {
         .sendfile       = linvfs_sendfile,
         .unlocked_ioctl = linvfs_ioctl,
 #ifdef CONFIG_COMPAT
-        .compat_ioctl   = xfs_compat_ioctl,
+        .compat_ioctl   = linvfs_compat_ioctl,
 #endif
         .mmap           = linvfs_file_mmap,
         .open           = linvfs_open,
@@ -587,7 +600,7 @@ struct file_operations linvfs_invis_file_operations = {
         .sendfile       = linvfs_sendfile,
         .unlocked_ioctl = linvfs_ioctl_invis,
 #ifdef CONFIG_COMPAT
-        .compat_ioctl   = xfs_compat_invis_ioctl,
+        .compat_ioctl   = linvfs_compat_invis_ioctl,
 #endif
         .mmap           = linvfs_file_mmap,
         .open           = linvfs_open,
@@ -600,13 +613,24 @@ struct file_operations linvfs_dir_operations = {
         .read           = generic_read_dir,
         .readdir        = linvfs_readdir,
         .unlocked_ioctl = linvfs_ioctl,
+#ifdef CONFIG_COMPAT
+        .compat_ioctl   = linvfs_compat_ioctl,
+#endif
         .fsync          = linvfs_fsync,
 };
 
 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 */
diff --git a/fs/xfs/linux-2.6/xfs_ioctl.c b/fs/xfs/linux-2.6/xfs_ioctl.c
index 69809eef8a54..05a447e51cc0 100644
--- a/fs/xfs/linux-2.6/xfs_ioctl.c
+++ b/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);
diff --git a/fs/xfs/linux-2.6/xfs_ioctl32.c b/fs/xfs/linux-2.6/xfs_ioctl32.c
index 7a12c83184f5..0f8f1384eb36 100644
--- a/fs/xfs/linux-2.6/xfs_ioctl32.c
+++ b/fs/xfs/linux-2.6/xfs_ioctl32.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2004 Silicon Graphics, Inc.  All Rights Reserved.
+ * Copyright (c) 2004-2005 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
@@ -58,8 +58,9 @@ typedef struct xfs_fsop_bulkreq32 {
         __s32           ocount;         /* output count pointer         */
 } xfs_fsop_bulkreq32_t;
 
-static unsigned long
-xfs_ioctl32_bulkstat(unsigned long arg)
+STATIC unsigned long
+xfs_ioctl32_bulkstat(
+        unsigned long           arg)
 {
         xfs_fsop_bulkreq32_t    __user *p32 = (void __user *)arg;
         xfs_fsop_bulkreq_t      __user *p = compat_alloc_user_space(sizeof(*p));
@@ -78,11 +79,11 @@ xfs_ioctl32_bulkstat(unsigned long arg)
 }
 #endif
 
-static long
-__xfs_compat_ioctl(int mode, struct file *f, unsigned cmd, unsigned long arg)
+STATIC long
+__linvfs_compat_ioctl(int mode, struct file *f, unsigned cmd, unsigned long arg)
 {
         int             error;
-        struct inode *inode = f->f_dentry->d_inode;
+        struct          inode *inode = f->f_dentry->d_inode;
         vnode_t         *vp = LINVFS_GET_VP(inode);
 
         switch (cmd) {
@@ -152,12 +153,20 @@ __xfs_compat_ioctl(int mode, struct file *f, unsigned cmd, unsigned long arg)
         return error;
 }
 
-long xfs_compat_ioctl(struct file *f, unsigned cmd, unsigned long arg)
+long
+linvfs_compat_ioctl(
+        struct file             *f,
+        unsigned                cmd,
+        unsigned long           arg)
 {
-        return __xfs_compat_ioctl(0, f, cmd, arg);
+        return __linvfs_compat_ioctl(0, f, cmd, arg);
 }
 
-long xfs_compat_invis_ioctl(struct file *f, unsigned cmd, unsigned long arg)
+long
+linvfs_compat_invis_ioctl(
+        struct file             *f,
+        unsigned                cmd,
+        unsigned long           arg)
 {
-        return __xfs_compat_ioctl(IO_INVIS, f, cmd, arg);
+        return __linvfs_compat_ioctl(IO_INVIS, f, cmd, arg);
 }
diff --git a/fs/xfs/linux-2.6/xfs_ioctl32.h b/fs/xfs/linux-2.6/xfs_ioctl32.h
index 779f69a48116..c874793a1dc9 100644
--- a/fs/xfs/linux-2.6/xfs_ioctl32.h
+++ b/fs/xfs/linux-2.6/xfs_ioctl32.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2004 Silicon Graphics, Inc.  All Rights Reserved.
+ * Copyright (c) 2004-2005 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
@@ -30,5 +30,5 @@
  * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
  */
 
-long xfs_compat_ioctl(struct file *f, unsigned cmd, unsigned long arg);
-long xfs_compat_invis_ioctl(struct file *f, unsigned cmd, unsigned long arg);
+long linvfs_compat_ioctl(struct file *f, unsigned cmd, unsigned long arg);
+long linvfs_compat_invis_ioctl(struct file *f, unsigned cmd, unsigned long arg);
diff --git a/fs/xfs/linux-2.6/xfs_linux.h b/fs/xfs/linux-2.6/xfs_linux.h
index 71bb41019a12..42dc5e4662ed 100644
--- a/fs/xfs/linux-2.6/xfs_linux.h
+++ b/fs/xfs/linux-2.6/xfs_linux.h
@@ -145,10 +145,10 @@ static inline void set_buffer_unwritten_io(struct buffer_head *bh)
 #define xfs_inherit_nosymlinks  xfs_params.inherit_nosym.val
 #define xfs_rotorstep           xfs_params.rotorstep.val
 
-#ifndef __smp_processor_id
-#define __smp_processor_id()    smp_processor_id()
+#ifndef raw_smp_processor_id
+#define raw_smp_processor_id()  smp_processor_id()
 #endif
-#define current_cpu()           __smp_processor_id()
+#define current_cpu()           raw_smp_processor_id()
 #define current_pid()           (current->pid)
 #define current_fsuid(cred)     (current->fsuid)
 #define current_fsgid(cred)     (current->fsgid)
@@ -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.  */
diff --git a/fs/xfs/linux-2.6/xfs_lrw.c b/fs/xfs/linux-2.6/xfs_lrw.c
index aa9daaea6c34..acab58c48043 100644
--- a/fs/xfs/linux-2.6/xfs_lrw.c
+++ b/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;
 }
 
diff --git a/fs/xfs/linux-2.6/xfs_lrw.h b/fs/xfs/linux-2.6/xfs_lrw.h
index d723e35254a0..f197a720e394 100644
--- a/fs/xfs/linux-2.6/xfs_lrw.h
+++ b/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 *);
diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c
index 53dc658cafa6..f6dd7de25927 100644
--- a/fs/xfs/linux-2.6/xfs_super.c
+++ b/fs/xfs/linux-2.6/xfs_super.c
@@ -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
@@ -66,7 +66,6 @@
 #include "xfs_buf_item.h"
 #include "xfs_utils.h"
 #include "xfs_version.h"
-#include "xfs_ioctl32.h"
 
 #include <linux/namei.h>
 #include <linux/init.h>
@@ -484,7 +483,7 @@ xfssyncd(
                 set_current_state(TASK_INTERRUPTIBLE);
                 timeleft = schedule_timeout(timeleft);
                 /* swsusp */
-                try_to_freeze(PF_FREEZE);
+                try_to_freeze();
                 if (vfsp->vfs_flag & VFS_UMOUNT)
                         break;
 
@@ -591,8 +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;
@@ -702,7 +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;
 }
@@ -717,7 +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;
 }
diff --git a/fs/xfs/linux-2.6/xfs_vfs.h b/fs/xfs/linux-2.6/xfs_vfs.h
index 76493991578f..7ee1f714e9ba 100644
--- a/fs/xfs/linux-2.6/xfs_vfs.h
+++ b/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 *);
diff --git a/fs/xfs/linux-2.6/xfs_vnode.c b/fs/xfs/linux-2.6/xfs_vnode.c
index a832d165f24f..250cad54e892 100644
--- a/fs/xfs/linux-2.6/xfs_vnode.c
+++ b/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.
diff --git a/fs/xfs/linux-2.6/xfs_vnode.h b/fs/xfs/linux-2.6/xfs_vnode.h
index 00466c3194ac..a6e57c647be4 100644
--- a/fs/xfs/linux-2.6/xfs_vnode.h
+++ b/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;
 
 /*