linux-kernel - [PATCH] f2fs: fix to use f2fs_readpage_limit() in f2fs_read_multi

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Date:   Mon, 30 Mar 2020 18:03:15 +0800
From:   Chao Yu <yuchao0@...wei.com>
To:     <jaegeuk@...nel.org>
CC:     <linux-f2fs-devel@...ts.sourceforge.net>,
        <linux-kernel@...r.kernel.org>, <chao@...nel.org>,
        Chao Yu <yuchao0@...wei.com>
Subject: [PATCH] f2fs: fix to use f2fs_readpage_limit() in f2fs_read_multi_pages()

Multipage read flow should consider fsverity, so it needs to use
f2fs_readpage_limit() instead of i_size_read() to check EOF condition.

Signed-off-by: Chao Yu <yuchao0@...wei.com>
---
 fs/f2fs/data.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 8adf507c1d90..0a829a89f596 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -2099,7 +2099,8 @@ int f2fs_read_multi_pages(struct compress_ctx *cc, struct bio **bio_ret,
 
 	f2fs_bug_on(sbi, f2fs_cluster_is_empty(cc));
 
-	last_block_in_file = (i_size_read(inode) + blocksize - 1) >> blkbits;
+	last_block_in_file = (f2fs_readpage_limit(inode) +
+					blocksize - 1) >> blkbits;
 
 	/* get rid of pages beyond EOF */
 	for (i = 0; i < cc->cluster_size; i++) {
-- 
2.18.0.rc1