tizen: Use unique directory prefix for baselibs packages
[platform/kernel/linux-rpi.git] / fs / xfs / xfs_inode.c
index 4d55f58..f9d29ac 100644 (file)
@@ -918,6 +918,13 @@ xfs_droplink(
        xfs_trans_t *tp,
        xfs_inode_t *ip)
 {
+       if (VFS_I(ip)->i_nlink == 0) {
+               xfs_alert(ip->i_mount,
+                         "%s: Attempt to drop inode (%llu) with nlink zero.",
+                         __func__, ip->i_ino);
+               return -EFSCORRUPTED;
+       }
+
        xfs_trans_ichgtime(tp, ip, XFS_ICHGTIME_CHG);
 
        drop_nlink(VFS_I(ip));
@@ -3621,6 +3628,23 @@ xfs_iunlock2_io_mmap(
                inode_unlock(VFS_I(ip1));
 }
 
+/* Drop the MMAPLOCK and the IOLOCK after a remap completes. */
+void
+xfs_iunlock2_remapping(
+       struct xfs_inode        *ip1,
+       struct xfs_inode        *ip2)
+{
+       xfs_iflags_clear(ip1, XFS_IREMAPPING);
+
+       if (ip1 != ip2)
+               xfs_iunlock(ip1, XFS_MMAPLOCK_SHARED);
+       xfs_iunlock(ip2, XFS_MMAPLOCK_EXCL);
+
+       if (ip1 != ip2)
+               inode_unlock_shared(VFS_I(ip1));
+       inode_unlock(VFS_I(ip2));
+}
+
 /*
  * Reload the incore inode list for this inode.  Caller should ensure that
  * the link count cannot change, either by taking ILOCK_SHARED or otherwise