From: Hrutvik Kanabar <[email protected]> When `DISABLE_FS_CSUM_VERIFICATION` is enabled, bypass checksum verification.
Signed-off-by: Hrutvik Kanabar <[email protected]> --- fs/f2fs/checkpoint.c | 3 ++- fs/f2fs/compress.c | 3 ++- fs/f2fs/f2fs.h | 2 ++ fs/f2fs/inode.c | 3 +++ 4 files changed, 9 insertions(+), 2 deletions(-) diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c index 0c82dae082aa..cc5043fbffcb 100644 --- a/fs/f2fs/checkpoint.c +++ b/fs/f2fs/checkpoint.c @@ -864,7 +864,8 @@ static int get_checkpoint_version(struct f2fs_sb_info *sbi, block_t cp_addr, } crc = f2fs_checkpoint_chksum(sbi, *cp_block); - if (crc != cur_cp_crc(*cp_block)) { + if (!IS_ENABLED(CONFIG_DISABLE_FS_CSUM_VERIFICATION) && + crc != cur_cp_crc(*cp_block)) { f2fs_put_page(*cp_page, 1); f2fs_warn(sbi, "invalid crc value"); return -EINVAL; diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c index d315c2de136f..d0bce92dbf38 100644 --- a/fs/f2fs/compress.c +++ b/fs/f2fs/compress.c @@ -772,7 +772,8 @@ void f2fs_decompress_cluster(struct decompress_io_ctx *dic, bool in_task) u32 provided = le32_to_cpu(dic->cbuf->chksum); u32 calculated = f2fs_crc32(sbi, dic->cbuf->cdata, dic->clen); - if (provided != calculated) { + if (!IS_ENABLED(CONFIG_DISABLE_FS_CSUM_VERIFICATION) && + provided != calculated) { if (!is_inode_flag_set(dic->inode, FI_COMPRESS_CORRUPT)) { set_inode_flag(dic->inode, FI_COMPRESS_CORRUPT); printk_ratelimited( diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index e6355a5683b7..b27f1ec9b49f 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -1976,6 +1976,8 @@ static inline u32 f2fs_crc32(struct f2fs_sb_info *sbi, const void *address, static inline bool f2fs_crc_valid(struct f2fs_sb_info *sbi, __u32 blk_crc, void *buf, size_t buf_size) { + if (IS_ENABLED(CONFIG_DISABLE_FS_CSUM_VERIFICATION)) + return true; return f2fs_crc32(sbi, buf, buf_size) == blk_crc; } diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c index 9f0d3864d9f1..239bb08e45b1 100644 --- a/fs/f2fs/inode.c +++ b/fs/f2fs/inode.c @@ -181,6 +181,9 @@ bool f2fs_inode_chksum_verify(struct f2fs_sb_info *sbi, struct page *page) #endif return true; + if (IS_ENABLED(CONFIG_DISABLE_FS_CSUM_VERIFICATION)) + return true; + ri = &F2FS_NODE(page)->i; provided = le32_to_cpu(ri->i_inode_checksum); calculated = f2fs_inode_chksum(sbi, page); -- 2.38.0.413.g74048e4d9e-goog _______________________________________________ Linux-f2fs-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
