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| author | Weichao Guo <guoweichao@huawei.com> | 2018-03-09 23:10:21 +0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2018-07-27 18:03:59 +0900 |
| commit | 54c55c4e4fc7ec35f96a3b6a626314b0b7256137 (patch) | |
| tree | f32b8aa53f4fc9fc633cbc6ffcee1b54e03c8ec8 /fs/f2fs/node.c | |
| parent | 4e423832a675af671eab9d8a3d96636aa63faa9e (diff) | |
| download | lwn-54c55c4e4fc7ec35f96a3b6a626314b0b7256137.tar.gz lwn-54c55c4e4fc7ec35f96a3b6a626314b0b7256137.zip | |
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/node.c')
| -rw-r--r-- | fs/f2fs/node.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index 1061dd18b09c..3d1240949d87 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -1141,8 +1141,12 @@ static int read_node_page(struct page *page, int op_flags) .encrypted_page = NULL, }; - if (PageUptodate(page)) + if (PageUptodate(page)) { +#ifdef CONFIG_F2FS_CHECK_FS + f2fs_bug_on(sbi, !f2fs_inode_chksum_verify(sbi, page)); +#endif return LOCKED_PAGE; + } f2fs_get_node_info(sbi, page->index, &ni); @@ -1775,6 +1779,10 @@ static int f2fs_set_node_page_dirty(struct page *page) if (!PageUptodate(page)) SetPageUptodate(page); +#ifdef CONFIG_F2FS_CHECK_FS + if (IS_INODE(page)) + f2fs_inode_chksum_set(F2FS_P_SB(page), page); +#endif if (!PageDirty(page)) { __set_page_dirty_nobuffers(page); inc_page_count(F2FS_P_SB(page), F2FS_DIRTY_NODES); |