From: Goldwyn Rodrigues <rgoldwyn@suse.com>
Date: Sat, 30 Nov 2019 15:59:25 +0000 (-0600)
Subject: iomap: remove lockdep_assert_held()
X-Git-Tag: v5.8-rc1~182^2~9
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3ad99bec6e82e32fa9faf2f84e74b134586b46f7;p=thirdparty%2Fkernel%2Flinux.git

iomap: remove lockdep_assert_held()

Filesystems such as btrfs can perform direct I/O without holding the
inode->i_rwsem in some of the cases like writing within i_size.  So,
remove the check for lockdep_assert_held() in iomap_dio_rw().

Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
---

diff --git a/fs/iomap/direct-io.c b/fs/iomap/direct-io.c
index f88ba6e7f6af8..e4addfc581070 100644
--- a/fs/iomap/direct-io.c
+++ b/fs/iomap/direct-io.c
@@ -416,8 +416,6 @@ iomap_dio_rw(struct kiocb *iocb, struct iov_iter *iter,
 	struct blk_plug plug;
 	struct iomap_dio *dio;
 
-	lockdep_assert_held(&inode->i_rwsem);
-
 	if (!count)
 		return 0;