Commit 0cad8a11 authored Mar 17, 2010 by Josef Bacik Committed by Chris Mason Mar 30, 2010

Btrfs: fix chunk allocate size calculation

If the amount of free space left in a device is less than what we think should
be the minimum size, just ignore the minimum size and use the amount we have. I
ran into this running tests on a 600mb volume, the chunk allocator wouldn't let
me allocate the last 52mb of the disk for data because we want to have at least
64mb chunks for data. This patch fixes that problem. Thanks,

Signed-off-by: Josef Bacik <josef@redhat.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>

parent 287a0ab9

fs/btrfs/volumes.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -2244,7 +2244,9 @@ again:
		do_div(calc_size, stripe_len);
		calc_size *= stripe_len;
		}

		/* we don't want tiny stripes */
		if (!looped)
		calc_size = max_t(u64, min_stripe_size, calc_size);

		do_div(calc_size, stripe_len);

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