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zdump: Drop non-extended multi-volume DASD dump support

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Since DASD standalone dumper does not support non-extended s390
multi-volume dumps for years, drop zgetdump support of non-extended s390_mv
DASD dumps and dump-tools:
- Merge dfi_s390mv_ext and dt_s390mv_ext with related dfi_s390mv and
  dt_s390mv counterparts.
- Update DFI and DT vectors of supported dump formats and dump-tools
  removing dfi_s390mv and dt_s390mv entries and keeping dt_s390mv_ext and
  dfi_s390mv_ext ones for s390_mv extended dump and dump-tool accordingly.
- Remove dfi_s390mv.c and dt_s390mv.c sources and update the Makefile.
- Make dfi_s390mv_ext_init() and dfi_s390mv_info() static.
- Remove magic number relevant to non-extended s390_mv DASD dumper.
- Completely drop DASD dumper version 5 case in df_s390_dumper_read().

Note: Since non-extended s390 multi-volume dumps can reside on DASD
partitions only and cannot be produced via DFO interface, we can drop this
dump format entirely.

Signed-off-by: Mikhail Zaslonko <zaslonko@linux.ibm.com>
Reviewed-by: Alexander Egorenkov <egorenar@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
This commit is contained in:
Mikhail Zaslonko
2025-03-20 12:00:15 +01:00
committed by Jan Höppner
parent 6f82c5792a
commit ee4cb78dc2
13 changed files with 531 additions and 721 deletions
Download Patch File Download Diff File Expand all files Collapse all files
zdump/df_s390.c
-5
View File
@@ -168,11 +168,6 @@ int df_s390_dumper_read(struct zg_fh *fh, int blk_size,
DF_S390_DUMPER_MAGIC_SIZE) == 0)
dumper->size = STAGE2_DUMPER_SIZE_MV;
break;
case 5:
if (strncmp(dumper->magic, DF_S390_DUMPER_MAGIC_MV,
DF_S390_DUMPER_MAGIC_SIZE) == 0)
dumper->size = STAGE2_DUMPER_SIZE_SV;
break;
}
if (dumper->size == 0)
return -1;