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Accepting request 173533 from Base:System

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- Fix handle-etc-HOSTNAME.patch to properly set hostname at startup
  when using /etc/HOSTNAME. (forwarded request 173532 from fcrozat)

OBS-URL: https://build.opensuse.org/request/show/173533
OBS-URL: https://build.opensuse.org/package/show/openSUSE:Factory/systemd?expand=0&rev=136
This commit is contained in:
Stephan Kulow
2013-04-26 17:21:58 +00:00
committed by Git OBS Bridge
parent b8fb83676d
commit 567f741c5e
14 changed files with 175 additions and 644 deletions
Download Patch File Download Diff File Expand all files Collapse all files

120
1001-re-enable-by_path-links-for-ata-devices.patch Normal file
View File

@@ -0,0 +1,120 @@
From: Robert Milasan <rmilasan@suse.com>
Date: Thu, 12 Jul 2012 15:56:34 +0000
Subject: re-enable by_path links for ata devices
Fix by-path links for ATA transport (bnc#770910)
---
src/udev/udev-builtin-path_id.c | 92 +++++++++++++++++++++++++++++++++++------
1 file changed, 80 insertions(+), 12 deletions(-)
diff --git a/src/udev/udev-builtin-path_id.c b/src/udev/udev-builtin-path_id.c
index da02731..a77d4e8 100644
--- a/src/udev/udev-builtin-path_id.c
+++ b/src/udev/udev-builtin-path_id.c
@@ -338,6 +338,85 @@ static struct udev_device *handle_scsi_hyperv(struct udev_device *parent, char *
return parent;
}
+static struct udev_device *handle_ata(struct udev_device *parent, char **path)
+{
+ struct udev_device *hostdev;
+ int host, bus, target, lun;
+ const char *name;
+ char *base;
+ char *pos;
+ DIR *dir;
+ struct dirent *dent;
+ int basenum, len;
+
+ hostdev = udev_device_get_parent_with_subsystem_devtype(parent, "scsi", "scsi_host");
+ if (hostdev == NULL)
+ return NULL;
+
+ name = udev_device_get_sysname(parent);
+ if (sscanf(name, "%d:%d:%d:%d", &host, &bus, &target, &lun) != 4)
+ return NULL;
+
+ /* rebase ata offset to get the local relative number */
+ basenum = -1;
+ base = strdup(udev_device_get_syspath(hostdev));
+ if (base == NULL)
+ return NULL;
+ pos = strrchr(base, '/');
+ if (pos == NULL) {
+ parent = NULL;
+ goto out;
+ }
+ pos[0] = '\0';
+ len = strlen(base) - 5;
+ if (len <= 0) {
+ parent = NULL;
+ goto out;
+ }
+ base[len] = '\0';
+ dir = opendir(base);
+ if (dir == NULL) {
+ parent = NULL;
+ goto out;
+ }
+ for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) {
+ char *rest;
+ int i;
+
+ if (dent->d_name[0] == '.')
+ continue;
+ if (dent->d_type != DT_DIR && dent->d_type != DT_LNK)
+ continue;
+ if (strncmp(dent->d_name, "ata", 3) != 0)
+ continue;
+ i = strtoul(&dent->d_name[3], &rest, 10);
+
+ /* ata devices start with 1, so decrease by 1 if i is bigger then 0 */
+ if (i > 0)
+ i--;
+ if (rest[0] != '\0')
+ continue;
+ /*
+ * find the smallest number; the host really needs to export its
+ * own instance number per parent device; relying on the global host
+ * enumeration and plainly rebasing the numbers sounds unreliable
+ */
+ if (basenum == -1 || i < basenum)
+ basenum = i;
+ }
+ closedir(dir);
+ if (basenum == -1) {
+ parent = NULL;
+ goto out;
+ }
+ host -= basenum;
+
+ path_prepend(path, "scsi-%u:%u:%u:%u", host, bus, target, lun);
+out:
+ free(base);
+ return hostdev;
+}
+
static struct udev_device *handle_scsi(struct udev_device *parent, char **path)
{
const char *devtype;
@@ -374,19 +453,8 @@ static struct udev_device *handle_scsi(struct udev_device *parent, char **path)
goto out;
}
- /*
- * We do not support the ATA transport class, it uses global counters
- * to name the ata devices which numbers spread across multiple
- * controllers.
- *
- * The real link numbers are not exported. Also, possible chains of ports
- * behind port multipliers cannot be composed that way.
- *
- * Until all that is solved at the kernel level, there are no by-path/
- * links for ATA devices.
- */
if (strstr(name, "/ata") != NULL) {
- parent = NULL;
+ parent = handle_ata(parent, path);
goto out;
}