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Bring over illumos ZFS FMA logic -- phase 1

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This first phase brings over the ZFS SLM module, zfs_mod.c, to handle
auto operations in response to disk events. Disk event monitoring is
provided from libudev and generates the expected payload schema for
zfs_mod. This work leverages the recently added devid and phys_path
strings in the vdev label.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Don Brady <don.brady@intel.com>
Signed-off-by: Tony Hutter <hutter2@llnl.gov>
Closes #4673
This commit is contained in:
Don Brady
2016-08-31 15:46:58 -06:00
committed by Brian Behlendorf
parent 0b284702b7
commit d02ca37979
20 changed files with 1837 additions and 39 deletions
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lib/libzfs/libzfs_pool.c
+6 -4
View File
@@ -3397,9 +3397,11 @@ set_path(zpool_handle_t *zhp, nvlist_t *nv, const char *path)
* case only occurs when the suffix is preceded by a digit, i.e. "md0p0" The
* third case only occurs when preceded by a string matching the regular
* expression "^([hsv]|xv)d[a-z]+", i.e. a scsi, ide, virtio or xen disk.
*
* caller must free the returned string
*/
static char *
strip_partition(libzfs_handle_t *hdl, char *path)
char *
zfs_strip_partition(libzfs_handle_t *hdl, char *path)
{
char *tmp = zfs_strdup(hdl, path);
char *part = NULL, *d = NULL;
@@ -3542,7 +3544,7 @@ zpool_vdev_name(libzfs_handle_t *hdl, zpool_handle_t *zhp, nvlist_t *nv,
*/
if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_WHOLE_DISK, &value)
== 0 && value && !(name_flags & VDEV_NAME_PATH)) {
return (strip_partition(hdl, path));
return (zfs_strip_partition(hdl, path));
}
} else {
verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &path) == 0);
@@ -4216,7 +4218,7 @@ zpool_label_disk(libzfs_handle_t *hdl, zpool_handle_t *zhp, char *name)
(void) snprintf(path, sizeof (path), "%s/%s", DISK_ROOT, name);
if ((fd = open(path, O_RDWR|O_DIRECT)) < 0) {
if ((fd = open(path, O_RDWR|O_DIRECT|O_EXCL)) < 0) {
/*
* This shouldn't happen. We've long since verified that this
* is a valid device.