reiserfs: open-code reiserfs_mutex_lock_safe() in reiserfs_unpack()
... and have it use inode_lock()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/reiserfs/ioctl.c b/fs/reiserfs/ioctl.c
index 57045f4..2f1ddc9 100644
--- a/fs/reiserfs/ioctl.c
+++ b/fs/reiserfs/ioctl.c
@@ -187,7 +187,11 @@
}
/* we need to make sure nobody is changing the file size beneath us */
- reiserfs_mutex_lock_safe(&inode->i_mutex, inode->i_sb);
+{
+ int depth = reiserfs_write_unlock_nested(inode->i_sb);
+ inode_lock(inode);
+ reiserfs_write_lock_nested(inode->i_sb, depth);
+}
reiserfs_write_lock(inode->i_sb);