Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: (41 commits)
  fs: add documentation on fallocate hole punching
  Gfs2: fail if we try to use hole punch
  Btrfs: fail if we try to use hole punch
  Ext4: fail if we try to use hole punch
  Ocfs2: handle hole punching via fallocate properly
  XFS: handle hole punching via fallocate properly
  fs: add hole punching to fallocate
  vfs: pass struct file to do_truncate on O_TRUNC opens (try #2)
  fix signedness mess in rw_verify_area() on 64bit architectures
  fs: fix kernel-doc for dcache::prepend_path
  fs: fix kernel-doc for dcache::d_validate
  sanitize ecryptfs ->mount()
  switch afs
  move internal-only parts of ncpfs headers to fs/ncpfs
  switch ncpfs
  switch 9p
  pass default dentry_operations to mount_pseudo()
  switch hostfs
  switch affs
  switch configfs
  ...

4 files changed, 8 insertions, 12 deletions

diff --git a/fs/ocfs2/export.c b/fs/ocfs2/export.c
index 6adafa576065..5dbc3062b4fd 100644
--- a/fs/ocfs2/export.c
+++ b/fs/ocfs2/export.c
@@ -137,9 +137,7 @@ check_gen:
         }
 
         result = d_obtain_alias(inode);
-        if (!IS_ERR(result))
-                d_set_d_op(result, &ocfs2_dentry_ops);
-        else
+        if (IS_ERR(result))
                 mlog_errno(PTR_ERR(result));
 
 bail:
@@ -175,8 +173,6 @@ static struct dentry *ocfs2_get_parent(struct dentry *child)
         }
 
         parent = d_obtain_alias(ocfs2_iget(OCFS2_SB(dir->i_sb), blkno, 0, 0));
-        if (!IS_ERR(parent))
-                d_set_d_op(parent, &ocfs2_dentry_ops);
 
 bail_unlock:
         ocfs2_inode_unlock(dir, 0);
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index bdadbae09094..63e3fca266e0 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -1995,6 +1995,7 @@ static long ocfs2_fallocate(struct inode *inode, int mode, loff_t offset,
         struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
         struct ocfs2_space_resv sr;
         int change_size = 1;
+        int cmd = OCFS2_IOC_RESVSP64;
 
         if (!ocfs2_writes_unwritten_extents(osb))
                 return -EOPNOTSUPP;
@@ -2005,12 +2006,15 @@ static long ocfs2_fallocate(struct inode *inode, int mode, loff_t offset,
         if (mode & FALLOC_FL_KEEP_SIZE)
                 change_size = 0;
 
+        if (mode & FALLOC_FL_PUNCH_HOLE)
+                cmd = OCFS2_IOC_UNRESVSP64;
+
         sr.l_whence = 0;
         sr.l_start = (s64)offset;
         sr.l_len = (s64)len;
 
-        return __ocfs2_change_file_space(NULL, inode, offset,
-                                         OCFS2_IOC_RESVSP64, &sr, change_size);
+        return __ocfs2_change_file_space(NULL, inode, offset, cmd, &sr,
+                                         change_size);
 }
 
 int ocfs2_check_range_for_refcount(struct inode *inode, loff_t pos,
diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
index 30c523144452..849fb4a2e814 100644
--- a/fs/ocfs2/namei.c
+++ b/fs/ocfs2/namei.c
@@ -147,7 +147,6 @@ static struct dentry *ocfs2_lookup(struct inode *dir, struct dentry *dentry,
         spin_unlock(&oi->ip_lock);
 
 bail_add:
-        d_set_d_op(dentry, &ocfs2_dentry_ops);
         ret = d_splice_alias(inode, dentry);
 
         if (inode) {
@@ -415,7 +414,6 @@ static int ocfs2_mknod(struct inode *dir,
                 mlog_errno(status);
                 goto leave;
         }
-        d_set_d_op(dentry, &ocfs2_dentry_ops);
 
         status = ocfs2_add_entry(handle, dentry, inode,
                                  OCFS2_I(inode)->ip_blkno, parent_fe_bh,
@@ -743,7 +741,6 @@ static int ocfs2_link(struct dentry *old_dentry,
         }
 
         ihold(inode);
-        d_set_d_op(dentry, &ocfs2_dentry_ops);
         d_instantiate(dentry, inode);
 
 out_commit:
@@ -1797,7 +1794,6 @@ static int ocfs2_symlink(struct inode *dir,
                 mlog_errno(status);
                 goto bail;
         }
-        d_set_d_op(dentry, &ocfs2_dentry_ops);
 
         status = ocfs2_add_entry(handle, dentry, inode,
                                  le64_to_cpu(fe->i_blkno), parent_fe_bh,
@@ -2462,7 +2458,6 @@ int ocfs2_mv_orphaned_inode_to_new(struct inode *dir,
                 goto out_commit;
         }
 
-        d_set_d_op(dentry, &ocfs2_dentry_ops);
         d_instantiate(dentry, inode);
         status = 0;
 out_commit:
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 17ff46fa8a10..06d1f749ca89 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -2097,6 +2097,7 @@ static int ocfs2_initialize_super(struct super_block *sb,
 
         sb->s_fs_info = osb;
         sb->s_op = &ocfs2_sops;
+        sb->s_d_op = &ocfs2_dentry_ops;
         sb->s_export_op = &ocfs2_export_ops;
         sb->s_qcop = &ocfs2_quotactl_ops;
         sb->dq_op = &ocfs2_quota_operations;