bcachefs: Improve check for when bios are physically contiguous

Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com> Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

bcachefs: Improve check for when bios are physically contiguous
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com> Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
b16fa0ba · Kent Overstreet · Kent Overstreet · dcf141b9 · b16fa0ba
Commit b16fa0ba authored Oct 30, 2020 by Kent Overstreet Committed by Kent Overstreet Oct 22, 2023
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fs/bcachefs/compress.c fs/bcachefs/compress.c +1 -1

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--- a/fs/bcachefs/compress.c
+++ b/fs/bcachefs/compress.c
@@ -70,7 +70,7 @@ static struct bbuf __bio_map_or_bounce(struct bch_fs *c, struct bio *bio,
 	BUG_ON(bvec_iter_sectors(start) > c->sb.encoded_extent_max);
-	if (!IS_ENABLED(CONFIG_HIGHMEM) &&
+	if (!PageHighMem(bio_iter_page(bio, start)) &&
 	    bio_phys_contig(bio, start))
 		return (struct bbuf) {
 			.b = page_address(bio_iter_page(bio, start)) +