xfs: refactor xfs_iget calls from log intent recovery

Hoist the code from xfs_bui_item_recover that igets an inode and marks
it as being part of log intent recovery.  The next patch will want a
common function.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Allison Henderson <allison.henderson@oracle.com>
Reviewed-by: Chandan Babu R <chandanrlinux@gmail.com>
diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index 1d324c8..1d42133 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -26,6 +26,8 @@
 #include "xfs_error.h"
 #include "xfs_buf_item.h"
 #include "xfs_ag.h"
+#include "xfs_quota.h"
+
 
 #define BLK_AVG(blk1, blk2)	((blk1+blk2) >> 1)
 
@@ -1754,6 +1756,30 @@ xlog_recover_release_intent(
 	spin_unlock(&ailp->ail_lock);
 }
 
+int
+xlog_recover_iget(
+	struct xfs_mount	*mp,
+	xfs_ino_t		ino,
+	struct xfs_inode	**ipp)
+{
+	int			error;
+
+	error = xfs_iget(mp, NULL, ino, 0, 0, ipp);
+	if (error)
+		return error;
+
+	error = xfs_qm_dqattach(*ipp);
+	if (error) {
+		xfs_irele(*ipp);
+		return error;
+	}
+
+	if (VFS_I(*ipp)->i_nlink == 0)
+		xfs_iflags_set(*ipp, XFS_IRECOVERY);
+
+	return 0;
+}
+
 /******************************************************************************
  *
  *		Log recover routines