From: Gao Xiang <hsiangkao@linux.alibaba.com>
Date: Sat, 8 Mar 2025 17:35:23 +0000 (+0800)
Subject: erofs-utils: lib: fix insufficient fragment cache bitmap
X-Git-Tag: accepted/tizen/unified/20250610.081809~27
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b763022c1c981871b2983d1eca008117ecd4cf7a;p=platform%2Fupstream%2Ferofs-utils.git

erofs-utils: lib: fix insufficient fragment cache bitmap

.. should round up to the nearest byte instead of down.

Fixes: f511cfbbc0da ("erofs-utils: introduce fragment cache")
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Link: https://lore.kernel.org/r/20250308173523.3696606-1-hsiangkao@linux.alibaba.com
---

diff --git a/lib/fragments.c b/lib/fragments.c
index 05bbf0d..d300439 100644
--- a/lib/fragments.c
+++ b/lib/fragments.c
@@ -402,7 +402,7 @@ int erofs_packedfile_init(struct erofs_sb_info *sbi, bool fragments_mkfs)
 			err = -errno;
 			goto err_out;
 		}
-		epi->uptodate_size = BLK_ROUND_UP(sbi, ei.i_size) / 8;
+		epi->uptodate_size = DIV_ROUND_UP(BLK_ROUND_UP(sbi, ei.i_size), 8);
 		epi->uptodate = calloc(1, epi->uptodate_size);
 		if (!epi->uptodate) {
 			err = -ENOMEM;