On 2023/1/4 11:24, Yue Hu wrote:
Hi Xiang,

On Wed, 4 Jan 2023 10:48:40 +0800
Xiang Gao <[email protected]> wrote:

Hi Yue,

在 2022/12/24 17:43, Yue Hu 写道:
From: Yue Hu <[email protected]>

Add compressed fragments support for fsck.erofs.

Signed-off-by: Yue Hu <[email protected]>
---
   fsck/main.c | 41 +++++++++++++++++++++++++++++++++++++++--
   lib/zmap.c  |  1 +
   2 files changed, 40 insertions(+), 2 deletions(-)

diff --git a/fsck/main.c b/fsck/main.c
index 2a9c501..9babc61 100644
--- a/fsck/main.c
+++ b/fsck/main.c
@@ -421,6 +421,31 @@ static int erofs_verify_inode_data(struct erofs_inode 
*inode, int outfd)
                if (!(map.m_flags & EROFS_MAP_MAPPED) || !fsckcfg.check_decomp)
                        continue;
+ if (map.m_flags & EROFS_MAP_FRAGMENT) {
+                       struct erofs_inode packed_inode = {
+                               .nid = sbi.packed_nid,
+                       };

Sorry for late response.

a question... why don't we just rely on z_erofs_read_data()?

We may fall back to uncompressed mode for packed inode due to 'ENOSPC'.

I think we could just export parts of erofs_pread() to clean up the whole erofs_verify_inode_data()...

Thanks,
Gao Xiang


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