[PATCH v3 3/4] erofs-utils: mfks: add rebuild FULLDATA for combined EROFS images

[Gao Xiang]

On 2026/4/15 11:35, zhaoyifan (H) wrote:
> This patch incorrectly handles inline inode:
> 
> Reproduce in erofs-utils directory:
>      mkfs/mkfs.erofs 1.erofs man/
>      mkfs/mkfs.erofs 2.erofs docs/
>      mkfs/mkfs.erofs --clean=data merged.erofs 1.erofs 2.erofs
> 
> Then PERFORMANCE.md in merged.erofs contains incorrect data after offset 0x2000.
> 
> Fixed with following diff:
> 
> diff --git a/lib/inode.c b/lib/inode.c
>    index bd10e26..36dce56 100644
>    --- a/lib/inode.c
>    +++ b/lib/inode.c
>    @@ -683,6 +683,13 @@ static int erofs_write_unencoded_data(struct erofs_inode *inode,
> 
>          /* read the tail-end data */
>          if (inode->idata_size) {
>    +             /*
>    +              * If inode->idata is already present, the caller has prepared
>    +              * the tail data and nothing more needs to be done here.
>    +              */
>    +             if (inode->idata)
>    +                     return 0;

Yes, it should be fixed as:
	/*
	 * Read the tail-end data if inode->idata is NULL; if the tail data
	 * has been prepared then nothing more needs to be done here.
	 */
	if (inode->idata_size && !inode->idata) {
	}

...

>> +#include "liberofs_cache.h"
> Unnecessary include `liberofs_cache.h`

That would be nice to be addressed too.


I've applied [PATCH 1 and 2], could you send v4 to address this?

Thanks,
Gao Xiang