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authorWeichao Guo <guoweichao@huawei.com>2018-03-09 23:10:21 +0800
committerJaegeuk Kim <jaegeuk@kernel.org>2018-07-27 18:03:59 +0900
commit54c55c4e4fc7ec35f96a3b6a626314b0b7256137 (patch)
treef32b8aa53f4fc9fc633cbc6ffcee1b54e03c8ec8 /fs/f2fs/inode.c
parent4e423832a675af671eab9d8a3d96636aa63faa9e (diff)
f2fs: support in-memory inode checksum when checking consistency
Enable in-memory inode checksum to protect metadata blocks from in-memory scribbles when checking consistency, which has no performance requirements. Signed-off-by: Weichao Guo <guoweichao@huawei.com> Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/inode.c')
-rw-r--r--fs/f2fs/inode.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c
index f91dd017a65c..ec672c7ac52c 100644
--- a/fs/f2fs/inode.c
+++ b/fs/f2fs/inode.c
@@ -162,8 +162,12 @@ bool f2fs_inode_chksum_verify(struct f2fs_sb_info *sbi, struct page *page)
if (unlikely(is_sbi_flag_set(sbi, SBI_IS_SHUTDOWN)))
return true;
+#ifdef CONFIG_F2FS_CHECK_FS
+ if (!f2fs_enable_inode_chksum(sbi, page))
+#else
if (!f2fs_enable_inode_chksum(sbi, page) ||
PageDirty(page) || PageWriteback(page))
+#endif
return true;
ri = &F2FS_NODE(page)->i;
@@ -477,6 +481,10 @@ void f2fs_update_inode(struct inode *inode, struct page *node_page)
F2FS_I(inode)->i_disk_time[1] = timespec64_to_timespec(inode->i_ctime);
F2FS_I(inode)->i_disk_time[2] = timespec64_to_timespec(inode->i_mtime);
F2FS_I(inode)->i_disk_time[3] = F2FS_I(inode)->i_crtime;
+
+#ifdef CONFIG_F2FS_CHECK_FS
+ f2fs_inode_chksum_set(F2FS_I_SB(inode), node_page);
+#endif
}
void f2fs_update_inode_page(struct inode *inode)