Commit 3e19e6f3 authored Oct 17, 2019 by Christoph Hellwig Committed by Darrick J. Wong Oct 21, 2019

iomap: warn on inline maps in iomap_writepage_map



And inline mapping should never mark the page dirty and thus never end up
in writepages.  Add a check for that condition and warn if it happens.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>

parent 598ecfba

fs/iomap/buffered-io.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -1415,6 +1415,8 @@ iomap_writepage_map(struct iomap_writepage_ctx *wpc,
		error = wpc->ops->map_blocks(wpc, inode, file_offset);
		if (error)
		break;
		if (WARN_ON_ONCE(wpc->iomap.type == IOMAP_INLINE))
		continue;
		if (wpc->iomap.type == IOMAP_HOLE)
		continue;
		iomap_add_to_ioend(inode, file_offset, page, iop, wpc, wbc,

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