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libzfs: Remove unused zpool_get_physpath() 

This is an oddly specific function that has never had any consumers in
the history of this repo.  Get rid of it and the pile of helper
functions that exist for it.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #13724
This commit is contained in:
Ryan Moeller 2022-08-04 20:04:09 -04:00 committed by GitHub
parent 4fc1ea9c6c
commit 947465b984
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3 changed files with 0 additions and 156 deletions
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1
include/libzfs.h
View File

@ -475,7 +475,6 @@ _LIBZFS_H void zpool_obj_to_path_ds(zpool_handle_t *, uint64_t, uint64_t,
_LIBZFS_H void zpool_obj_to_path(zpool_handle_t *, uint64_t, uint64_t, char *,
size_t);
_LIBZFS_H int zfs_ioctl(libzfs_handle_t *, int, struct zfs_cmd *);
_LIBZFS_H int zpool_get_physpath(zpool_handle_t *, char *, size_t);
_LIBZFS_H void zpool_explain_recover(libzfs_handle_t *, const char *, int,
nvlist_t *);
_LIBZFS_H int zpool_checkpoint(zpool_handle_t *);

7
lib/libzfs/libzfs.abi
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@ -476,7 +476,6 @@
<elf-symbol name='zpool_get_history' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zpool_get_load_policy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zpool_get_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zpool_get_physpath' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zpool_get_prop' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zpool_get_prop_int' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zpool_get_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
@ -3468,12 +3467,6 @@
<parameter type-id='37e3bd22' name='log'/>
<return type-id='5ce45b60'/>
</function-decl>
<function-decl name='zpool_get_physpath' mangled-name='zpool_get_physpath' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='zpool_get_physpath'>
<parameter type-id='4c81de99' name='zhp'/>
<parameter type-id='26a90f95' name='physpath'/>
<parameter type-id='b59d7dce' name='phypath_size'/>
<return type-id='95e97e5e'/>
</function-decl>
<function-decl name='zpool_vdev_path_to_guid' mangled-name='zpool_vdev_path_to_guid' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='zpool_vdev_path_to_guid'>
<parameter type-id='4c81de99' name='zhp'/>
<parameter type-id='80f4b756' name='path'/>

148
lib/libzfs/libzfs_pool.c
View File

@ -2898,154 +2898,6 @@ zpool_find_vdev(zpool_handle_t *zhp, const char *path, boolean_t *avail_spare,
return (ret);
}
static int
vdev_is_online(nvlist_t *nv)
{
uint64_t ival;
if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_OFFLINE, &ival) == 0 ||
nvlist_lookup_uint64(nv, ZPOOL_CONFIG_FAULTED, &ival) == 0 ||
nvlist_lookup_uint64(nv, ZPOOL_CONFIG_REMOVED, &ival) == 0)
return (0);
return (1);
}
/*
* Helper function for zpool_get_physpaths().
*/
static int
vdev_get_one_physpath(nvlist_t *config, char *physpath, size_t physpath_size,
size_t *bytes_written)
{
size_t bytes_left, pos, rsz;
char *tmppath;
const char *format;
if (nvlist_lookup_string(config, ZPOOL_CONFIG_PHYS_PATH,
&tmppath) != 0)
return (EZFS_NODEVICE);
pos = *bytes_written;
bytes_left = physpath_size - pos;
format = (pos == 0) ? "%s" : " %s";
rsz = snprintf(physpath + pos, bytes_left, format, tmppath);
*bytes_written += rsz;
if (rsz >= bytes_left) {
/* if physpath was not copied properly, clear it */
if (bytes_left != 0) {
physpath[pos] = 0;
}
return (EZFS_NOSPC);
}
return (0);
}
static int
vdev_get_physpaths(nvlist_t *nv, char *physpath, size_t phypath_size,
size_t *rsz, boolean_t is_spare)
{
char *type;
int ret;
if (nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &type) != 0)
return (EZFS_INVALCONFIG);
if (strcmp(type, VDEV_TYPE_DISK) == 0) {
/*
* An active spare device has ZPOOL_CONFIG_IS_SPARE set.
* For a spare vdev, we only want to boot from the active
* spare device.
*/
if (is_spare) {
uint64_t spare = 0;
(void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_IS_SPARE,
&spare);
if (!spare)
return (EZFS_INVALCONFIG);
}
if (vdev_is_online(nv)) {
if ((ret = vdev_get_one_physpath(nv, physpath,
phypath_size, rsz)) != 0)
return (ret);
}
} else if (strcmp(type, VDEV_TYPE_MIRROR) == 0 ||
strcmp(type, VDEV_TYPE_RAIDZ) == 0 ||
strcmp(type, VDEV_TYPE_REPLACING) == 0 ||
(is_spare = (strcmp(type, VDEV_TYPE_SPARE) == 0))) {
nvlist_t **child;
uint_t count;
int i, ret;
if (nvlist_lookup_nvlist_array(nv,
ZPOOL_CONFIG_CHILDREN, &child, &count) != 0)
return (EZFS_INVALCONFIG);
for (i = 0; i < count; i++) {
ret = vdev_get_physpaths(child[i], physpath,
phypath_size, rsz, is_spare);
if (ret == EZFS_NOSPC)
return (ret);
}
}
return (EZFS_POOL_INVALARG);
}
/*
* Get phys_path for a root pool config.
* Return 0 on success; non-zero on failure.
*/
static int
zpool_get_config_physpath(nvlist_t *config, char *physpath, size_t phypath_size)
{
size_t rsz;
nvlist_t *vdev_root;
nvlist_t **child;
uint_t count;
char *type;
rsz = 0;
if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
&vdev_root) != 0)
return (EZFS_INVALCONFIG);
if (nvlist_lookup_string(vdev_root, ZPOOL_CONFIG_TYPE, &type) != 0 ||
nvlist_lookup_nvlist_array(vdev_root, ZPOOL_CONFIG_CHILDREN,
&child, &count) != 0)
return (EZFS_INVALCONFIG);
/*
* root pool can only have a single top-level vdev.
*/
if (strcmp(type, VDEV_TYPE_ROOT) != 0 || count != 1)
return (EZFS_POOL_INVALARG);
(void) vdev_get_physpaths(child[0], physpath, phypath_size, &rsz,
B_FALSE);
/* No online devices */
if (rsz == 0)
return (EZFS_NODEVICE);
return (0);
}
/*
* Get phys_path for a root pool
* Return 0 on success; non-zero on failure.
*/
int
zpool_get_physpath(zpool_handle_t *zhp, char *physpath, size_t phypath_size)
{
return (zpool_get_config_physpath(zhp->zpool_config, physpath,
phypath_size));
}
/*
* Convert a vdev path to a GUID. Returns GUID or 0 on error.
*