Commit 593bd5e5 authored Jun 13, 2020 by Linus Torvalds

xfs-linux

Pull iomap fix from Darrick Wong:
 "A single iomap bug fix for a variable type mistake on 32-bit
  architectures, fixing an integer overflow problem in the unshare
  actor"

* tag 'iomap-5.8-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
  iomap: Fix unsharing of an extent >2GB on a 32-bit machine

parents c5557227 d4ff3b2e

fs/iomap/buffered-io.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -870,7 +870,7 @@ iomap_unshare_actor(struct inode inode, loff_t pos, loff_t length, void data,
		struct iomap iomap, struct iomap srcmap)
		{
		long status = 0;
		ssize_t written = 0;
		loff_t written = 0;

		/* don't bother with blocks that are not shared to start with */
		if (!(iomap->flags & IOMAP_F_SHARED))

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