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iomap: Fix unsharing of an extent >2GB on a 32-bit machine

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Widen the type used for counting the number of bytes unshared.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
This commit is contained in:
Matthew Wilcox (Oracle) 2020-06-08 20:58:29 -07:00 committed by Darrick J. Wong
parent 0e698dfa28
commit d4ff3b2ef9
1 changed files with 1 additions and 1 deletions
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2
fs/iomap/buffered-io.c
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@ -909,7 +909,7 @@ 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))