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[3/9] iomap: Remove lockdep_assert_held()

Message ID 20200326210254.17647-4-rgoldwyn@suse.de
State New, archived
Headers show
Series btrfs direct-io using iomap | expand

Commit Message

Goldwyn Rodrigues March 26, 2020, 9:02 p.m. UTC
From: Goldwyn Rodrigues <rgoldwyn@suse.com>

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()

Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
 fs/iomap/direct-io.c | 2 --
 1 file changed, 2 deletions(-)
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diff --git a/fs/iomap/direct-io.c b/fs/iomap/direct-io.c
index 63967fbd8b32..1cac159e912b 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;