parted/0062-libparted-mklabel-to-support-EDEV-DASD.patch
Brian C. Lane a248769183 - Rebasing Fedora patches with upstream master since v3.1 release
- Summary of important changes from upstream:
  - add support for a new Linux-specific GPT partition type code
  - partprobe: remove partitions when there is no partition table
  - libparted: refactor device-mapper partition sync code
  - libparted: remove extraneous blkpg add partition ped exception
  - libparted: don't probe every dm device in probe_all
- New Fedora changes:
  - libparted: Add Intel Rapid Start Technology partition flag.
  - libparted: Add UEFI System Partition flag.
  - libparted: Add hfs_esp partition flag to GPT.
  - libparted: Recognize btrfs filesystem
  - tests: Add btrfs and xfs to the fs probe test
2013-08-28 13:55:15 -07:00

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Diff

From b4758f5b4af423174871a68c235d20a646f4807b Mon Sep 17 00:00:00 2001
From: Nageswara R Sastry <rnsastry@linux.vnet.ibm.com>
Date: Wed, 21 Aug 2013 16:37:17 -0700
Subject: [PATCH 62/69] libparted: mklabel to support EDEV DASD
Fixed Block Access (FBA) DASDs are mainframe-specific disk devices
which are layed out as a sequence of 512-byte sectors. This patch adds
support for mklabel to properly handle FBA devices.
Signed-off-by: Nageswara R Sastry <rnsastry@linux.vnet.ibm.com>
---
libparted/labels/fdasd.c | 28 +++++++++++++++-------------
1 file changed, 15 insertions(+), 13 deletions(-)
diff --git a/libparted/labels/fdasd.c b/libparted/labels/fdasd.c
index 7de5f34..1f87937 100644
--- a/libparted/labels/fdasd.c
+++ b/libparted/labels/fdasd.c
@@ -870,19 +870,21 @@ fdasd_check_volume (fdasd_anchor_t *anc, int fd)
vtoc_read_volume_label (fd, anc->label_pos, v);
if (strncmp(v->vollbl, vtoc_ebcdic_enc ("VOL1", str, 4), 4) == 0) {
- /* found VOL1 volume label */
- b = (cchhb2blk (&v->vtoc, &anc->geo) - 1) * anc->blksize;
-
- if (b > 0) {
- int rc;
- rc = fdasd_valid_vtoc_pointer (anc, b, fd);
-
- if (rc < 0)
- return 1;
- else
- return 0;
- } else {
- fdasd_invalid_vtoc_pointer(anc);
+ if (anc->FBA_layout != 1 ) {
+ /* found VOL1 volume label */
+ b = (cchhb2blk (&v->vtoc, &anc->geo) - 1) * anc->blksize;
+
+ if (b > 0) {
+ int rc;
+ rc = fdasd_valid_vtoc_pointer (anc, b, fd);
+
+ if (rc < 0)
+ return 1;
+ else
+ return 0;
+ } else {
+ fdasd_invalid_vtoc_pointer(anc);
+ }
}
} else if (strncmp (v->volkey, vtoc_ebcdic_enc ("LNX1", str, 4), 4) == 0 ||
strncmp (v->volkey, vtoc_ebcdic_enc ("CMS1", str, 4), 4) == 0) {
--
1.8.3.1