Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs

* 'for-linus' of git://oss.sgi.com/xfs/xfs: (61 commits)
  Revert "xfs: increase the maximum number of supported ACL entries"
  xfs: cleanup uuid handling
  xfs: remove m_attroffset
  xfs: fix various typos
  xfs: pagecache usage optimization
  xfs: remove m_litino
  xfs: kill ino64 mount option
  xfs: kill mutex_t typedef
  xfs: increase the maximum number of supported ACL entries
  xfs: factor out code to find the longest free extent in the AG
  xfs: kill VN_BAD
  xfs: kill vn_atime_* helpers.
  xfs: cleanup xlog_bread
  xfs: cleanup xlog_recover_do_trans
  xfs: remove another leftover of the old inode log item format
  xfs: cleanup log unmount handling
  Fix xfs debug build breakage by pushing xfs_error.h after
  xfs: include header files for prototypes
  xfs: make symbols static
  xfs: move declaration to header file
  ...

10 files changed, 261 insertions, 246 deletions

diff --git a/fs/xfs/linux-2.6/mutex.h b/fs/xfs/linux-2.6/mutex.h
deleted file mode 100644
index 2a88d56c4dc2..000000000000
--- a/fs/xfs/linux-2.6/mutex.h
+++ /dev/null
@@ -1,25 +0,0 @@
-/*
- * Copyright (c) 2000-2003,2005 Silicon Graphics, Inc.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it would be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write the Free Software Foundation,
- * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- */
-#ifndef __XFS_SUPPORT_MUTEX_H__
-#define __XFS_SUPPORT_MUTEX_H__
-
-#include <linux/mutex.h>
-
-typedef struct mutex mutex_t;
-
-#endif /* __XFS_SUPPORT_MUTEX_H__ */
diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c
index de3a198f771e..c13f67300fe7 100644
--- a/fs/xfs/linux-2.6/xfs_aops.c
+++ b/fs/xfs/linux-2.6/xfs_aops.c
@@ -1623,4 +1623,5 @@ const struct address_space_operations xfs_address_space_operations = {
         .bmap                   = xfs_vm_bmap,
         .direct_IO              = xfs_vm_direct_IO,
         .migratepage            = buffer_migrate_page,
+        .is_partially_uptodate  = block_is_partially_uptodate,
 };
diff --git a/fs/xfs/linux-2.6/xfs_ioctl.c b/fs/xfs/linux-2.6/xfs_ioctl.c
index 4bd112313f33..d0b499418a7d 100644
--- a/fs/xfs/linux-2.6/xfs_ioctl.c
+++ b/fs/xfs/linux-2.6/xfs_ioctl.c
@@ -34,6 +34,7 @@
 #include "xfs_dir2_sf.h"
 #include "xfs_dinode.h"
 #include "xfs_inode.h"
+#include "xfs_ioctl.h"
 #include "xfs_btree.h"
 #include "xfs_ialloc.h"
 #include "xfs_rtalloc.h"
@@ -78,92 +79,74 @@ xfs_find_handle(
         int                     hsize;
         xfs_handle_t            handle;
         struct inode            *inode;
+        struct file             *file = NULL;
+        struct path             path;
+        int                     error;
+        struct xfs_inode        *ip;
 
-        memset((char *)&handle, 0, sizeof(handle));
-
-        switch (cmd) {
-        case XFS_IOC_PATH_TO_FSHANDLE:
-        case XFS_IOC_PATH_TO_HANDLE: {
-                struct path path;
-                int error = user_lpath((const char __user *)hreq->path, &path);
+        if (cmd == XFS_IOC_FD_TO_HANDLE) {
+                file = fget(hreq->fd);
+                if (!file)
+                        return -EBADF;
+                inode = file->f_path.dentry->d_inode;
+        } else {
+                error = user_lpath((const char __user *)hreq->path, &path);
                 if (error)
                         return error;
-
-                ASSERT(path.dentry);
-                ASSERT(path.dentry->d_inode);
-                inode = igrab(path.dentry->d_inode);
-                path_put(&path);
-                break;
+                inode = path.dentry->d_inode;
         }
+        ip = XFS_I(inode);
 
-        case XFS_IOC_FD_TO_HANDLE: {
-                struct file     *file;
-
-                file = fget(hreq->fd);
-                if (!file)
-                    return -EBADF;
+        /*
+         * We can only generate handles for inodes residing on a XFS filesystem,
+         * and only for regular files, directories or symbolic links.
+         */
+        error = -EINVAL;
+        if (inode->i_sb->s_magic != XFS_SB_MAGIC)
+                goto out_put;
 
-                ASSERT(file->f_path.dentry);
-                ASSERT(file->f_path.dentry->d_inode);
-                inode = igrab(file->f_path.dentry->d_inode);
-                fput(file);
-                break;
-        }
+        error = -EBADF;
+        if (!S_ISREG(inode->i_mode) &&
+            !S_ISDIR(inode->i_mode) &&
+            !S_ISLNK(inode->i_mode))
+                goto out_put;
 
-        default:
-                ASSERT(0);
-                return -XFS_ERROR(EINVAL);
-        }
 
-        if (inode->i_sb->s_magic != XFS_SB_MAGIC) {
-                /* we're not in XFS anymore, Toto */
-                iput(inode);
-                return -XFS_ERROR(EINVAL);
-        }
+        memcpy(&handle.ha_fsid, ip->i_mount->m_fixedfsid, sizeof(xfs_fsid_t));
 
-        switch (inode->i_mode & S_IFMT) {
-        case S_IFREG:
-        case S_IFDIR:
-        case S_IFLNK:
-                break;
-        default:
-                iput(inode);
-                return -XFS_ERROR(EBADF);
-        }
-
-        /* now we can grab the fsid */
-        memcpy(&handle.ha_fsid, XFS_I(inode)->i_mount->m_fixedfsid,
-                        sizeof(xfs_fsid_t));
-        hsize = sizeof(xfs_fsid_t);
-
-        if (cmd != XFS_IOC_PATH_TO_FSHANDLE) {
-                xfs_inode_t     *ip = XFS_I(inode);
+        if (cmd == XFS_IOC_PATH_TO_FSHANDLE) {
+                /*
+                 * This handle only contains an fsid, zero the rest.
+                 */
+                memset(&handle.ha_fid, 0, sizeof(handle.ha_fid));
+                hsize = sizeof(xfs_fsid_t);
+        } else {
                 int             lock_mode;
 
-                /* need to get access to the xfs_inode to read the generation */
                 lock_mode = xfs_ilock_map_shared(ip);
-
-                /* fill in fid section of handle from inode */
                 handle.ha_fid.fid_len = sizeof(xfs_fid_t) -
                                         sizeof(handle.ha_fid.fid_len);
                 handle.ha_fid.fid_pad = 0;
                 handle.ha_fid.fid_gen = ip->i_d.di_gen;
                 handle.ha_fid.fid_ino = ip->i_ino;
-
                 xfs_iunlock_map_shared(ip, lock_mode);
 
                 hsize = XFS_HSIZE(handle);
         }
 
-        /* now copy our handle into the user buffer & write out the size */
+        error = -EFAULT;
         if (copy_to_user(hreq->ohandle, &handle, hsize) ||
-            copy_to_user(hreq->ohandlen, &hsize, sizeof(__s32))) {
-                iput(inode);
-                return -XFS_ERROR(EFAULT);
-        }
+            copy_to_user(hreq->ohandlen, &hsize, sizeof(__s32)))
+                goto out_put;
 
-        iput(inode);
-        return 0;
+        error = 0;
+
+ out_put:
+        if (cmd == XFS_IOC_FD_TO_HANDLE)
+                fput(file);
+        else
+                path_put(&path);
+        return error;
 }
 
 /*
diff --git a/fs/xfs/linux-2.6/xfs_iops.c b/fs/xfs/linux-2.6/xfs_iops.c
index 2940612e3aeb..6075382336d7 100644
--- a/fs/xfs/linux-2.6/xfs_iops.c
+++ b/fs/xfs/linux-2.6/xfs_iops.c
@@ -211,8 +211,13 @@ xfs_vn_mknod(
          * Irix uses Missed'em'V split, but doesn't want to see
          * the upper 5 bits of (14bit) major.
          */
-        if (unlikely(!sysv_valid_dev(rdev) || MAJOR(rdev) & ~0x1ff))
-                return -EINVAL;
+        if (S_ISCHR(mode) || S_ISBLK(mode)) {
+                if (unlikely(!sysv_valid_dev(rdev) || MAJOR(rdev) & ~0x1ff))
+                        return -EINVAL;
+                rdev = sysv_encode_dev(rdev);
+        } else {
+                rdev = 0;
+        }
 
         if (test_default_acl && test_default_acl(dir)) {
                 if (!_ACL_ALLOC(default_acl)) {
@@ -224,28 +229,11 @@ xfs_vn_mknod(
                 }
         }
 
-        xfs_dentry_to_name(&name, dentry);
-
         if (IS_POSIXACL(dir) && !default_acl)
                 mode &= ~current_umask();
 
-        switch (mode & S_IFMT) {
-        case S_IFCHR:
-        case S_IFBLK:
-        case S_IFIFO:
-        case S_IFSOCK:
-                rdev = sysv_encode_dev(rdev);
-        case S_IFREG:
-                error = xfs_create(XFS_I(dir), &name, mode, rdev, &ip, NULL);
-                break;
-        case S_IFDIR:
-                error = xfs_mkdir(XFS_I(dir), &name, mode, &ip, NULL);
-                break;
-        default:
-                error = EINVAL;
-                break;
-        }
-
+        xfs_dentry_to_name(&name, dentry);
+        error = xfs_create(XFS_I(dir), &name, mode, rdev, &ip, NULL);
         if (unlikely(error))
                 goto out_free_acl;
 
@@ -553,9 +541,6 @@ xfs_vn_getattr(
         stat->uid = ip->i_d.di_uid;
         stat->gid = ip->i_d.di_gid;
         stat->ino = ip->i_ino;
-#if XFS_BIG_INUMS
-        stat->ino += mp->m_inoadd;
-#endif
         stat->atime = inode->i_atime;
         stat->mtime.tv_sec = ip->i_d.di_mtime.t_sec;
         stat->mtime.tv_nsec = ip->i_d.di_mtime.t_nsec;
diff --git a/fs/xfs/linux-2.6/xfs_linux.h b/fs/xfs/linux-2.6/xfs_linux.h
index 507492d6dccd..f65a53f8752f 100644
--- a/fs/xfs/linux-2.6/xfs_linux.h
+++ b/fs/xfs/linux-2.6/xfs_linux.h
@@ -38,7 +38,6 @@
 #include <kmem.h>
 #include <mrlock.h>
 #include <sv.h>
-#include <mutex.h>
 #include <time.h>
 
 #include <support/ktrace.h>
@@ -51,6 +50,7 @@
 #include <linux/blkdev.h>
 #include <linux/slab.h>
 #include <linux/module.h>
+#include <linux/mutex.h>
 #include <linux/file.h>
 #include <linux/swap.h>
 #include <linux/errno.h>
@@ -147,17 +147,6 @@
 #define SYNCHRONIZE()   barrier()
 #define __return_address __builtin_return_address(0)
 
-/*
- * IRIX (BSD) quotactl makes use of separate commands for user/group,
- * whereas on Linux the syscall encodes this information into the cmd
- * 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(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 */
-
 #define dfltprid        0
 #define MAXPATHLEN      1024
 
diff --git a/fs/xfs/linux-2.6/xfs_quotaops.c b/fs/xfs/linux-2.6/xfs_quotaops.c
new file mode 100644
index 000000000000..94d9a633d3d9
--- /dev/null
+++ b/fs/xfs/linux-2.6/xfs_quotaops.c
@@ -0,0 +1,157 @@
+/*
+ * Copyright (c) 2008, Christoph Hellwig
+ * All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it would be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write the Free Software Foundation,
+ * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+#include "xfs.h"
+#include "xfs_dmapi.h"
+#include "xfs_sb.h"
+#include "xfs_inum.h"
+#include "xfs_ag.h"
+#include "xfs_mount.h"
+#include "xfs_quota.h"
+#include "xfs_log.h"
+#include "xfs_trans.h"
+#include "xfs_bmap_btree.h"
+#include "xfs_inode.h"
+#include "quota/xfs_qm.h"
+#include <linux/quota.h>
+
+
+STATIC int
+xfs_quota_type(int type)
+{
+        switch (type) {
+        case USRQUOTA:
+                return XFS_DQ_USER;
+        case GRPQUOTA:
+                return XFS_DQ_GROUP;
+        default:
+                return XFS_DQ_PROJ;
+        }
+}
+
+STATIC int
+xfs_fs_quota_sync(
+        struct super_block      *sb,
+        int                     type)
+{
+        struct xfs_mount        *mp = XFS_M(sb);
+
+        if (!XFS_IS_QUOTA_RUNNING(mp))
+                return -ENOSYS;
+        return -xfs_sync_inodes(mp, SYNC_DELWRI);
+}
+
+STATIC int
+xfs_fs_get_xstate(
+        struct super_block      *sb,
+        struct fs_quota_stat    *fqs)
+{
+        struct xfs_mount        *mp = XFS_M(sb);
+
+        if (!XFS_IS_QUOTA_RUNNING(mp))
+                return -ENOSYS;
+        return -xfs_qm_scall_getqstat(mp, fqs);
+}
+
+STATIC int
+xfs_fs_set_xstate(
+        struct super_block      *sb,
+        unsigned int            uflags,
+        int                     op)
+{
+        struct xfs_mount        *mp = XFS_M(sb);
+        unsigned int            flags = 0;
+
+        if (sb->s_flags & MS_RDONLY)
+                return -EROFS;
+        if (!XFS_IS_QUOTA_RUNNING(mp))
+                return -ENOSYS;
+        if (!capable(CAP_SYS_ADMIN))
+                return -EPERM;
+
+        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_PDQ_ENFD|XFS_QUOTA_GDQ_ENFD))
+                flags |= XFS_OQUOTA_ENFD;
+
+        switch (op) {
+        case Q_XQUOTAON:
+                return -xfs_qm_scall_quotaon(mp, flags);
+        case Q_XQUOTAOFF:
+                if (!XFS_IS_QUOTA_ON(mp))
+                        return -EINVAL;
+                return -xfs_qm_scall_quotaoff(mp, flags);
+        case Q_XQUOTARM:
+                if (XFS_IS_QUOTA_ON(mp))
+                        return -EINVAL;
+                return -xfs_qm_scall_trunc_qfiles(mp, flags);
+        }
+
+        return -EINVAL;
+}
+
+STATIC int
+xfs_fs_get_xquota(
+        struct super_block      *sb,
+        int                     type,
+        qid_t                   id,
+        struct fs_disk_quota    *fdq)
+{
+        struct xfs_mount        *mp = XFS_M(sb);
+
+        if (!XFS_IS_QUOTA_RUNNING(mp))
+                return -ENOSYS;
+        if (!XFS_IS_QUOTA_ON(mp))
+                return -ESRCH;
+
+        return -xfs_qm_scall_getquota(mp, id, xfs_quota_type(type), fdq);
+}
+
+STATIC int
+xfs_fs_set_xquota(
+        struct super_block      *sb,
+        int                     type,
+        qid_t                   id,
+        struct fs_disk_quota    *fdq)
+{
+        struct xfs_mount        *mp = XFS_M(sb);
+
+        if (sb->s_flags & MS_RDONLY)
+                return -EROFS;
+        if (!XFS_IS_QUOTA_RUNNING(mp))
+                return -ENOSYS;
+        if (!XFS_IS_QUOTA_ON(mp))
+                return -ESRCH;
+        if (!capable(CAP_SYS_ADMIN))
+                return -EPERM;
+
+        return -xfs_qm_scall_setqlim(mp, id, xfs_quota_type(type), fdq);
+}
+
+struct quotactl_ops xfs_quotactl_operations = {
+        .quota_sync             = xfs_fs_quota_sync,
+        .get_xstate             = xfs_fs_get_xstate,
+        .set_xstate             = xfs_fs_set_xstate,
+        .get_xquota             = xfs_fs_get_xquota,
+        .set_xquota             = xfs_fs_set_xquota,
+};
diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c
index 32ae5028e96b..bb685269f832 100644
--- a/fs/xfs/linux-2.6/xfs_super.c
+++ b/fs/xfs/linux-2.6/xfs_super.c
@@ -68,7 +68,6 @@
 #include <linux/freezer.h>
 #include <linux/parser.h>
 
-static struct quotactl_ops xfs_quotactl_operations;
 static struct super_operations xfs_super_operations;
 static kmem_zone_t *xfs_ioend_zone;
 mempool_t *xfs_ioend_pool;
@@ -79,7 +78,6 @@ mempool_t *xfs_ioend_pool;
 #define MNTOPT_RTDEV    "rtdev"         /* realtime I/O device */
 #define MNTOPT_BIOSIZE  "biosize"       /* log2 of preferred buffered io size */
 #define MNTOPT_WSYNC    "wsync"         /* safe-mode nfs compatible mount */
-#define MNTOPT_INO64    "ino64"         /* force inodes into 64-bit range */
 #define MNTOPT_NOALIGN  "noalign"       /* turn off stripe alignment */
 #define MNTOPT_SWALLOC  "swalloc"       /* turn on stripe width allocation */
 #define MNTOPT_SUNIT    "sunit"         /* data volume stripe unit */
@@ -180,7 +178,7 @@ xfs_parseargs(
         int                     dswidth = 0;
         int                     iosize = 0;
         int                     dmapi_implies_ikeep = 1;
-        uchar_t                 iosizelog = 0;
+        __uint8_t               iosizelog = 0;
 
         /*
          * Copy binary VFS mount flags we are interested in.
@@ -291,16 +289,6 @@ xfs_parseargs(
                         mp->m_flags |= XFS_MOUNT_OSYNCISOSYNC;
                 } else if (!strcmp(this_char, MNTOPT_NORECOVERY)) {
                         mp->m_flags |= XFS_MOUNT_NORECOVERY;
-                } else if (!strcmp(this_char, MNTOPT_INO64)) {
-#if XFS_BIG_INUMS
-                        mp->m_flags |= XFS_MOUNT_INO64;
-                        mp->m_inoadd = XFS_INO64_OFFSET;
-#else
-                        cmn_err(CE_WARN,
-                                "XFS: %s option not allowed on this system",
-                                this_char);
-                        return EINVAL;
-#endif
                 } else if (!strcmp(this_char, MNTOPT_NOALIGN)) {
                         mp->m_flags |= XFS_MOUNT_NOALIGN;
                 } else if (!strcmp(this_char, MNTOPT_SWALLOC)) {
@@ -529,7 +517,6 @@ xfs_showargs(
                 /* the few simple ones we can get from the mount struct */
                 { XFS_MOUNT_IKEEP,              "," MNTOPT_IKEEP },
                 { XFS_MOUNT_WSYNC,              "," MNTOPT_WSYNC },
-                { XFS_MOUNT_INO64,              "," MNTOPT_INO64 },
                 { XFS_MOUNT_NOALIGN,            "," MNTOPT_NOALIGN },
                 { XFS_MOUNT_SWALLOC,            "," MNTOPT_SWALLOC },
                 { XFS_MOUNT_NOUUID,             "," MNTOPT_NOUUID },
@@ -634,7 +621,7 @@ xfs_max_file_offset(
         return (((__uint64_t)pagefactor) << bitshift) - 1;
 }
 
-int
+STATIC int
 xfs_blkdev_get(
         xfs_mount_t             *mp,
         const char              *name,
@@ -651,7 +638,7 @@ xfs_blkdev_get(
         return -error;
 }
 
-void
+STATIC void
 xfs_blkdev_put(
         struct block_device     *bdev)
 {
@@ -872,7 +859,7 @@ xfsaild_wakeup(
         wake_up_process(ailp->xa_task);
 }
 
-int
+STATIC int
 xfsaild(
         void    *data)
 {
@@ -990,26 +977,57 @@ xfs_fs_write_inode(
         int                     sync)
 {
         struct xfs_inode        *ip = XFS_I(inode);
+        struct xfs_mount        *mp = ip->i_mount;
         int                     error = 0;
-        int                     flags = 0;
 
         xfs_itrace_entry(ip);
+
+        if (XFS_FORCED_SHUTDOWN(mp))
+                return XFS_ERROR(EIO);
+
         if (sync) {
                 error = xfs_wait_on_pages(ip, 0, -1);
                 if (error)
-                        goto out_error;
-                flags |= FLUSH_SYNC;
+                        goto out;
         }
-        error = xfs_inode_flush(ip, flags);
 
-out_error:
+        /*
+         * Bypass inodes which have already been cleaned by
+         * the inode flush clustering code inside xfs_iflush
+         */
+        if (xfs_inode_clean(ip))
+                goto out;
+
+        /*
+         * We make this non-blocking if the inode is contended, return
+         * EAGAIN to indicate to the caller that they did not succeed.
+         * This prevents the flush path from blocking on inodes inside
+         * another operation right now, they get caught later by xfs_sync.
+         */
+        if (sync) {
+                xfs_ilock(ip, XFS_ILOCK_SHARED);
+                xfs_iflock(ip);
+
+                error = xfs_iflush(ip, XFS_IFLUSH_SYNC);
+        } else {
+                error = EAGAIN;
+                if (!xfs_ilock_nowait(ip, XFS_ILOCK_SHARED))
+                        goto out;
+                if (xfs_ipincount(ip) || !xfs_iflock_nowait(ip))
+                        goto out_unlock;
+
+                error = xfs_iflush(ip, XFS_IFLUSH_ASYNC_NOBLOCK);
+        }
+
+ out_unlock:
+        xfs_iunlock(ip, XFS_ILOCK_SHARED);
+ out:
         /*
          * if we failed to write out the inode then mark
          * it dirty again so we'll try again later.
          */
         if (error)
                 xfs_mark_inode_dirty_sync(ip);
-
         return -error;
 }
 
@@ -1169,18 +1187,12 @@ xfs_fs_statfs(
         statp->f_bfree = statp->f_bavail =
                                 sbp->sb_fdblocks - XFS_ALLOC_SET_ASIDE(mp);
         fakeinos = statp->f_bfree << sbp->sb_inopblog;
-#if XFS_BIG_INUMS
-        fakeinos += mp->m_inoadd;
-#endif
         statp->f_files =
             MIN(sbp->sb_icount + fakeinos, (__uint64_t)XFS_MAXINUMBER);
         if (mp->m_maxicount)
-#if XFS_BIG_INUMS
-                if (!mp->m_inoadd)
-#endif
-                        statp->f_files = min_t(typeof(statp->f_files),
-                                                statp->f_files,
-                                                mp->m_maxicount);
+                statp->f_files = min_t(typeof(statp->f_files),
+                                        statp->f_files,
+                                        mp->m_maxicount);
         statp->f_ffree = statp->f_files - (sbp->sb_icount - sbp->sb_ifree);
         spin_unlock(&mp->m_sb_lock);
 
@@ -1302,57 +1314,6 @@ xfs_fs_show_options(
         return -xfs_showargs(XFS_M(mnt->mnt_sb), m);
 }
 
-STATIC int
-xfs_fs_quotasync(
-        struct super_block      *sb,
-        int                     type)
-{
-        return -XFS_QM_QUOTACTL(XFS_M(sb), Q_XQUOTASYNC, 0, NULL);
-}
-
-STATIC int
-xfs_fs_getxstate(
-        struct super_block      *sb,
-        struct fs_quota_stat    *fqs)
-{
-        return -XFS_QM_QUOTACTL(XFS_M(sb), Q_XGETQSTAT, 0, (caddr_t)fqs);
-}
-
-STATIC int
-xfs_fs_setxstate(
-        struct super_block      *sb,
-        unsigned int            flags,
-        int                     op)
-{
-        return -XFS_QM_QUOTACTL(XFS_M(sb), op, 0, (caddr_t)&flags);
-}
-
-STATIC int
-xfs_fs_getxquota(
-        struct super_block      *sb,
-        int                     type,
-        qid_t                   id,
-        struct fs_disk_quota    *fdq)
-{
-        return -XFS_QM_QUOTACTL(XFS_M(sb),
-                                 (type == USRQUOTA) ? Q_XGETQUOTA :
-                                  ((type == GRPQUOTA) ? Q_XGETGQUOTA :
-                                   Q_XGETPQUOTA), id, (caddr_t)fdq);
-}
-
-STATIC int
-xfs_fs_setxquota(
-        struct super_block      *sb,
-        int                     type,
-        qid_t                   id,
-        struct fs_disk_quota    *fdq)
-{
-        return -XFS_QM_QUOTACTL(XFS_M(sb),
-                                 (type == USRQUOTA) ? Q_XSETQLIM :
-                                  ((type == GRPQUOTA) ? Q_XSETGQLIM :
-                                   Q_XSETPQLIM), id, (caddr_t)fdq);
-}
-
 /*
  * This function fills in xfs_mount_t fields based on mount args.
  * Note: the superblock _has_ now been read in.
@@ -1435,7 +1396,9 @@ xfs_fs_fill_super(
         sb_min_blocksize(sb, BBSIZE);
         sb->s_xattr = xfs_xattr_handlers;
         sb->s_export_op = &xfs_export_operations;
+#ifdef CONFIG_XFS_QUOTA
         sb->s_qcop = &xfs_quotactl_operations;
+#endif
         sb->s_op = &xfs_super_operations;
 
         error = xfs_dmops_get(mp);
@@ -1578,14 +1541,6 @@ static struct super_operations xfs_super_operations = {
         .show_options           = xfs_fs_show_options,
 };
 
-static struct quotactl_ops xfs_quotactl_operations = {
-        .quota_sync             = xfs_fs_quotasync,
-        .get_xstate             = xfs_fs_getxstate,
-        .set_xstate             = xfs_fs_setxstate,
-        .get_xquota             = xfs_fs_getxquota,
-        .set_xquota             = xfs_fs_setxquota,
-};
-
 static struct file_system_type xfs_fs_type = {
         .owner                  = THIS_MODULE,
         .name                   = "xfs",
diff --git a/fs/xfs/linux-2.6/xfs_super.h b/fs/xfs/linux-2.6/xfs_super.h
index d5d776d4cd67..5a2ea3a21781 100644
--- a/fs/xfs/linux-2.6/xfs_super.h
+++ b/fs/xfs/linux-2.6/xfs_super.h
@@ -93,6 +93,7 @@ extern void xfs_blkdev_issue_flush(struct xfs_buftarg *);
 
 extern const struct export_operations xfs_export_operations;
 extern struct xattr_handler *xfs_xattr_handlers[];
+extern struct quotactl_ops xfs_quotactl_operations;
 
 #define XFS_M(sb)               ((struct xfs_mount *)((sb)->s_fs_info))
 
diff --git a/fs/xfs/linux-2.6/xfs_sync.h b/fs/xfs/linux-2.6/xfs_sync.h
index 5f6de1efe1f6..04f058c848ae 100644
--- a/fs/xfs/linux-2.6/xfs_sync.h
+++ b/fs/xfs/linux-2.6/xfs_sync.h
@@ -19,6 +19,7 @@
 #define XFS_SYNC_H 1
 
 struct xfs_mount;
+struct xfs_perag;
 
 typedef struct bhv_vfs_sync_work {
         struct list_head        w_list;
diff --git a/fs/xfs/linux-2.6/xfs_vnode.h b/fs/xfs/linux-2.6/xfs_vnode.h
index f65983a230d3..ad7fbead4c97 100644
--- a/fs/xfs/linux-2.6/xfs_vnode.h
+++ b/fs/xfs/linux-2.6/xfs_vnode.h
@@ -41,11 +41,6 @@ struct attrlist_cursor_kern;
 #define IO_INVIS        0x00020         /* don't update inode timestamps */
 
 /*
- * Flags for xfs_inode_flush
- */
-#define FLUSH_SYNC              1       /* wait for flush to complete   */
-
-/*
  * Flush/Invalidate options for vop_toss/flush/flushinval_pages.
  */
 #define FI_NONE                 0       /* none */
@@ -55,33 +50,6 @@ struct attrlist_cursor_kern;
                                            the operation completes. */
 
 /*
- * Dealing with bad inodes
- */
-static inline int VN_BAD(struct inode *vp)
-{
-        return is_bad_inode(vp);
-}
-
-/*
- * Extracting atime values in various formats
- */
-static inline void vn_atime_to_bstime(struct inode *vp, xfs_bstime_t *bs_atime)
-{
-        bs_atime->tv_sec = vp->i_atime.tv_sec;
-        bs_atime->tv_nsec = vp->i_atime.tv_nsec;
-}
-
-static inline void vn_atime_to_timespec(struct inode *vp, struct timespec *ts)
-{
-        *ts = vp->i_atime;
-}
-
-static inline void vn_atime_to_time_t(struct inode *vp, time_t *tt)
-{
-        *tt = vp->i_atime.tv_sec;
-}
-
-/*
  * Some useful predicates.
  */
 #define VN_MAPPED(vp)   mapping_mapped(vp->i_mapping)