Commit 1253811c authored May 05, 2022 by Andreas Gruenbacher Committed by Greg Kroah-Hartman Jun 14, 2022

iomap: iomap_write_failed fix



[ Upstream commit b71450e2cc4b3c79f33c5bd276d152af9bd54f79 ]

The @lend parameter of truncate_pagecache_range() should be the offset
of the last byte of the hole, not the first byte beyond it.

Fixes: ae259a9c ("fs: introduce iomap infrastructure")
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

parent 6b8291e5

fs/iomap/buffered-io.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -535,7 +535,8 @@ iomap_write_failed(struct inode *inode, loff_t pos, unsigned len)
		* write started inside the existing inode size.
		*/
		if (pos + len > i_size)
		truncate_pagecache_range(inode, max(pos, i_size), pos + len);
		truncate_pagecache_range(inode, max(pos, i_size),
		pos + len - 1);
		}

		static int