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bcachefs: __bio_compress() fix up.

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A single block can't be compressed, so it's incompressible.
This stops rebalance repeatably marking extents as uncompressed.

Signed-off-by: Daniel Hill <daniel@gluo.nz>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Daniel Hill 2022-10-16 02:25:54 +13:00 committed by Kent Overstreet
parent 597c6d17b1
commit be75bb7a0e
1 changed files with 1 additions and 1 deletions
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2
fs/bcachefs/compress.c
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@ -377,7 +377,7 @@ static unsigned __bio_compress(struct bch_fs *c,
/* If it's only one block, don't bother trying to compress: */
if (src->bi_iter.bi_size <= c->opts.block_size)
return 0;
return BCH_COMPRESSION_TYPE_incompressible;
dst_data = bio_map_or_bounce(c, dst, WRITE);
src_data = bio_map_or_bounce(c, src, READ);