Re: [PATCH 4/6] vfs: Add iomap_seek_hole and iomap_seek_data helpers

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On Wed, Jun 28, 2017 at 12:14:57AM +0200, Andreas Grünbacher wrote:
> This shouldn't be true anymore now that the actors don't recompute the
> length; the above three lines should be obsolete.

Indeed.

> This comment makes more sense in iomap_seek_hole now.

Or just drop it..

What about the incremental patch below?

diff --git a/fs/iomap.c b/fs/iomap.c
index c90cda33994b..432eed8f091f 100644
--- a/fs/iomap.c
+++ b/fs/iomap.c
@@ -626,9 +626,6 @@ iomap_seek_hole(struct inode *inode, loff_t offset, const struct iomap_ops *ops)
 		length -= ret;
 	}
 
-	/* The last segment can extend beyond the end of the file. */
-	if (length <= 0)
-		return min(offset, size);
 	return offset;
 }
 EXPORT_SYMBOL_GPL(iomap_seek_hole);
@@ -675,7 +672,6 @@ iomap_seek_data(struct inode *inode, loff_t offset, const struct iomap_ops *ops)
 		length -= ret;
 	}
 
-	/* There is an implicit hole at the end of the file. */
 	if (length <= 0)
 		return -ENXIO;
 	return offset;
--
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