5 files changed, 65 insertions, 41 deletions

diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c
index 1206267894..74d8be87f9 100644
--- a/fs/xfs/linux-2.6/xfs_aops.c
+++ b/fs/xfs/linux-2.6/xfs_aops.c
@@ -540,7 +540,7 @@ xfs_probe_cluster(
 
         /* First sum forwards in this page */
         do {
-                if (mapped != buffer_mapped(bh))
+                if (!buffer_uptodate(bh) || (mapped != buffer_mapped(bh)))
                         return total;
                 total += bh->b_size;
         } while ((bh = bh->b_this_page) != head);
@@ -747,10 +747,11 @@ xfs_convert_page(
                         struct backing_dev_info *bdi;
 
                         bdi = inode->i_mapping->backing_dev_info;
+                        wbc->nr_to_write--;
                         if (bdi_write_congested(bdi)) {
                                 wbc->encountered_congestion = 1;
                                 done = 1;
-                        } else if (--wbc->nr_to_write <= 0) {
+                        } else if (wbc->nr_to_write <= 0) {
                                 done = 1;
                         }
                 }
@@ -1462,4 +1463,5 @@ struct address_space_operations linvfs_aops = {
         .commit_write           = generic_commit_write,
         .bmap                   = linvfs_bmap,
         .direct_IO              = linvfs_direct_IO,
+        .migratepage            = buffer_migrate_page,
 };
diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c
index e44b7c1a3a..bfb4f2917b 100644
--- a/fs/xfs/linux-2.6/xfs_buf.c
+++ b/fs/xfs/linux-2.6/xfs_buf.c
@@ -822,6 +822,13 @@ xfs_buf_rele(
 
         XB_TRACE(bp, "rele", bp->b_relse);
 
+        if (unlikely(!hash)) {
+                ASSERT(!bp->b_relse);
+                if (atomic_dec_and_test(&bp->b_hold))
+                        xfs_buf_free(bp);
+                return;
+        }
+
         if (atomic_dec_and_lock(&bp->b_hold, &hash->bh_lock)) {
                 if (bp->b_relse) {
                         atomic_inc(&bp->b_hold);
@@ -1514,6 +1521,7 @@ xfs_mapping_buftarg(
         struct address_space    *mapping;
         static struct address_space_operations mapping_aops = {
                 .sync_page = block_sync_page,
+                .migratepage = fail_migrate_page,
         };
 
         inode = new_inode(bdev->bd_inode->i_sb);
diff --git a/fs/xfs/linux-2.6/xfs_iops.c b/fs/xfs/linux-2.6/xfs_iops.c
index 76c6df34d0..d7f6f2d8ac 100644
--- a/fs/xfs/linux-2.6/xfs_iops.c
+++ b/fs/xfs/linux-2.6/xfs_iops.c
@@ -262,6 +262,31 @@ has_fs_struct(struct task_struct *task)
         return (task->fs != init_task.fs);
 }
 
+STATIC inline void
+cleanup_inode(
+        vnode_t         *dvp,
+        vnode_t         *vp,
+        struct dentry   *dentry,        
+        int             mode)
+{
+        struct dentry   teardown = {};
+        int             err2;
+
+        /* Oh, the horror.
+         * If we can't add the ACL or we fail in 
+         * linvfs_init_security we must back out.
+         * ENOSPC can hit here, among other things.
+         */
+        teardown.d_inode = LINVFS_GET_IP(vp);
+        teardown.d_name = dentry->d_name;
+
+        if (S_ISDIR(mode))
+                VOP_RMDIR(dvp, &teardown, NULL, err2);
+        else
+                VOP_REMOVE(dvp, &teardown, NULL, err2);
+        VN_RELE(vp);
+}
+
 STATIC int
 linvfs_mknod(
         struct inode    *dir,
@@ -316,30 +341,19 @@ linvfs_mknod(
         }
 
         if (!error)
+        {
                 error = linvfs_init_security(vp, dir);
+                if (error)
+                        cleanup_inode(dvp, vp, dentry, mode);
+        }
 
         if (default_acl) {
                 if (!error) {
                         error = _ACL_INHERIT(vp, &va, default_acl);
-                        if (!error) {
+                        if (!error) 
                                 VMODIFY(vp);
-                        } else {
-                                struct dentry   teardown = {};
-                                int             err2;
-
-                                /* Oh, the horror.
-                                 * If we can't add the ACL we must back out.
-                                 * ENOSPC can hit here, among other things.
-                                 */
-                                teardown.d_inode = ip = LINVFS_GET_IP(vp);
-                                teardown.d_name = dentry->d_name;
-
-                                if (S_ISDIR(mode))
-                                        VOP_RMDIR(dvp, &teardown, NULL, err2);
-                                else
-                                        VOP_REMOVE(dvp, &teardown, NULL, err2);
-                                VN_RELE(vp);
-                        }
+                        else
+                                cleanup_inode(dvp, vp, dentry, mode);
                 }
                 _ACL_FREE(default_acl);
         }
@@ -659,6 +673,8 @@ linvfs_setattr(
         if (ia_valid & ATTR_ATIME) {
                 vattr.va_mask |= XFS_AT_ATIME;
                 vattr.va_atime = attr->ia_atime;
+                if (ia_valid & ATTR_ATIME_SET)
+                        inode->i_atime = attr->ia_atime;
         }
         if (ia_valid & ATTR_MTIME) {
                 vattr.va_mask |= XFS_AT_MTIME;
diff --git a/fs/xfs/quota/xfs_qm.c b/fs/xfs/quota/xfs_qm.c
index 53a00fb217..7c0e39dc61 100644
--- a/fs/xfs/quota/xfs_qm.c
+++ b/fs/xfs/quota/xfs_qm.c
@@ -68,6 +68,9 @@ kmem_zone_t	*qm_dqzone;
 kmem_zone_t     *qm_dqtrxzone;
 STATIC kmem_shaker_t    xfs_qm_shaker;
 
+STATIC cred_t   xfs_zerocr;
+STATIC xfs_inode_t      xfs_zeroino;
+
 STATIC void     xfs_qm_list_init(xfs_dqlist_t *, char *, int);
 STATIC void     xfs_qm_list_destroy(xfs_dqlist_t *);
 
@@ -1393,8 +1396,6 @@ xfs_qm_qino_alloc(
         xfs_trans_t     *tp;
         int             error;
         unsigned long   s;
-        cred_t          zerocr;
-        xfs_inode_t     zeroino;
         int             committed;
 
         tp = xfs_trans_alloc(mp, XFS_TRANS_QM_QINOCREATE);
@@ -1406,11 +1407,9 @@ xfs_qm_qino_alloc(
                 xfs_trans_cancel(tp, 0);
                 return error;
         }
-        memset(&zerocr, 0, sizeof(zerocr));
-        memset(&zeroino, 0, sizeof(zeroino));
 
-        if ((error = xfs_dir_ialloc(&tp, &zeroino, S_IFREG, 1, 0,
-                                   &zerocr, 0, 1, ip, &committed))) {
+        if ((error = xfs_dir_ialloc(&tp, &xfs_zeroino, S_IFREG, 1, 0,
+                                   &xfs_zerocr, 0, 1, ip, &committed))) {
                 xfs_trans_cancel(tp, XFS_TRANS_RELEASE_LOG_RES |
                                  XFS_TRANS_ABORT);
                 return error;
diff --git a/fs/xfs/xfs_rtalloc.c b/fs/xfs/xfs_rtalloc.c
index 06fc061c50..5b413946b1 100644
--- a/fs/xfs/xfs_rtalloc.c
+++ b/fs/xfs/xfs_rtalloc.c
@@ -130,7 +130,8 @@ xfs_growfs_rt_alloc(
                 /*
                  * Lock the inode.
                  */
-                if ((error = xfs_trans_iget(mp, tp, ino, 0, XFS_ILOCK_EXCL, &ip)))
+                if ((error = xfs_trans_iget(mp, tp, ino, 0,
+                                                XFS_ILOCK_EXCL, &ip)))
                         goto error_exit;
                 XFS_BMAP_INIT(&flist, &firstblock);
                 /*
@@ -170,8 +171,8 @@ xfs_growfs_rt_alloc(
                         /*
                          * Lock the bitmap inode.
                          */
-                        if ((error = xfs_trans_iget(mp, tp, ino, 0, XFS_ILOCK_EXCL,
-                                        &ip)))
+                        if ((error = xfs_trans_iget(mp, tp, ino, 0,
+                                                        XFS_ILOCK_EXCL, &ip)))
                                 goto error_exit;
                         /*
                          * Get a buffer for the block.
@@ -2023,8 +2024,8 @@ xfs_growfs_rt(
                 /*
                  * Lock out other callers by grabbing the bitmap inode lock.
                  */
-                if ((error = xfs_trans_iget(mp, tp, 0, mp->m_sb.sb_rbmino,
-                                XFS_ILOCK_EXCL, &ip)))
+                if ((error = xfs_trans_iget(mp, tp, mp->m_sb.sb_rbmino, 0,
+                                                XFS_ILOCK_EXCL, &ip)))
                         goto error_exit;
                 ASSERT(ip == mp->m_rbmip);
                 /*
@@ -2037,8 +2038,8 @@ xfs_growfs_rt(
                 /*
                  * Get the summary inode into the transaction.
                  */
-                if ((error = xfs_trans_iget(mp, tp, mp->m_sb.sb_rsumino,
-                                0, XFS_ILOCK_EXCL, &ip)))
+                if ((error = xfs_trans_iget(mp, tp, mp->m_sb.sb_rsumino, 0,
+                                                XFS_ILOCK_EXCL, &ip)))
                         goto error_exit;
                 ASSERT(ip == mp->m_rsumip);
                 /*
@@ -2158,10 +2159,9 @@ xfs_rtallocate_extent(
         /*
          * Lock out other callers by grabbing the bitmap inode lock.
          */
-        error = xfs_trans_iget(mp, tp, mp->m_sb.sb_rbmino, 0, XFS_ILOCK_EXCL, &ip);
-        if (error) {
+        if ((error = xfs_trans_iget(mp, tp, mp->m_sb.sb_rbmino, 0,
+                                        XFS_ILOCK_EXCL, &ip)))
                 return error;
-        }
         sumbp = NULL;
         /*
          * Allocate by size, or near another block, or exactly at some block.
@@ -2221,10 +2221,9 @@ xfs_rtfree_extent(
         /*
          * Synchronize by locking the bitmap inode.
          */
-        error = xfs_trans_iget(mp, tp, mp->m_sb.sb_rbmino, 0, XFS_ILOCK_EXCL, &ip);
-        if (error) {
+        if ((error = xfs_trans_iget(mp, tp, mp->m_sb.sb_rbmino, 0,
+                                        XFS_ILOCK_EXCL, &ip)))
                 return error;
-        }
 #if defined(__KERNEL__) && defined(DEBUG)
         /*
          * Check to see that this whole range is currently allocated.
@@ -2365,8 +2364,8 @@ xfs_rtpick_extent(
         __uint64_t      seq;            /* sequence number of file creation */
         __uint64_t      *seqp;          /* pointer to seqno in inode */
 
-        error = xfs_trans_iget(mp, tp, mp->m_sb.sb_rbmino, 0, XFS_ILOCK_EXCL, &ip);
-        if (error)
+        if ((error = xfs_trans_iget(mp, tp, mp->m_sb.sb_rbmino, 0,
+                                        XFS_ILOCK_EXCL, &ip)))
                 return error;
         ASSERT(ip == mp->m_rbmip);
         seqp = (__uint64_t *)&ip->i_d.di_atime;