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[35.205.142.120]) by smtp.gmail.com with ESMTPSA id 123-20020a1c1981000000b003c6c4639ac6sm1547372wmz.34.2022.10.14.01.49.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 Oct 2022 01:49:50 -0700 (PDT) From: Hrutvik Kanabar To: Hrutvik Kanabar Date: Fri, 14 Oct 2022 08:48:34 +0000 Message-Id: <20221014084837.1787196-5-hrkanabar@gmail.com> X-Mailer: git-send-email 2.38.0.413.g74048e4d9e-goog In-Reply-To: <20221014084837.1787196-1-hrkanabar@gmail.com> References: <20221014084837.1787196-1-hrkanabar@gmail.com> MIME-Version: 1.0 X-Headers-End: 1ojGOC-0002J6-BP Subject: [f2fs-dev] [PATCH RFC 4/7] fs/exfat: support `DISABLE_FS_CSUM_VERIFICATION` config option X-BeenThere: linux-f2fs-devel@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "Darrick J . Wong" , Chris Mason , Andreas Dilger , kasan-dev@googlegroups.com, linux-ext4@vger.kernel.org, Namjae Jeon , Marco Elver , Josef Bacik , Alexander Viro , David Sterba , Jaegeuk Kim , Anton Altaparmakov , Theodore Ts'o , linux-ntfs-dev@lists.sourceforge.net, linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-xfs@vger.kernel.org, Aleksandr Nogikh , linux-fsdevel@vger.kernel.org, Sungjong Seo , linux-btrfs@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net From: Hrutvik Kanabar When `DISABLE_FS_CSUM_VERIFICATION` is enabled, bypass checksum verification. Signed-off-by: Hrutvik Kanabar --- fs/exfat/nls.c | 3 ++- fs/exfat/super.c | 3 +++ 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/fs/exfat/nls.c b/fs/exfat/nls.c index 705710f93e2d..f0f92eaf6ccc 100644 --- a/fs/exfat/nls.c +++ b/fs/exfat/nls.c @@ -696,7 +696,8 @@ static int exfat_load_upcase_table(struct super_block *sb, brelse(bh); } - if (index >= 0xFFFF && utbl_checksum == chksum) + if (IS_ENABLED(CONFIG_DISABLE_FS_CSUM_VERIFICATION) || + (index >= 0xFFFF && utbl_checksum == chksum)) return 0; exfat_err(sb, "failed to load upcase table (idx : 0x%08x, chksum : 0x%08x, utbl_chksum : 0x%08x)", diff --git a/fs/exfat/super.c b/fs/exfat/super.c index 35f0305cd493..7418858792b3 100644 --- a/fs/exfat/super.c +++ b/fs/exfat/super.c @@ -564,6 +564,9 @@ static int exfat_verify_boot_region(struct super_block *sb) if (!bh) return -EIO; + if (IS_ENABLED(CONFIG_DISABLE_FS_CSUM_VERIFICATION)) + return 0; + for (i = 0; i < sb->s_blocksize; i += sizeof(u32)) { p_chksum = (__le32 *)&bh->b_data[i]; if (le32_to_cpu(*p_chksum) != chksum) { -- 2.38.0.413.g74048e4d9e-goog _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel