iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

staging/lustre: Remove obd_export_evict_by_nid/uuid

Browse Source 
These functions only make sense on the server.

Signed-off-by: Oleg Drokin <green@linuxhacker.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Oleg Drokin 2015-09-27 16:45:39 -04:00 committed by Greg Kroah-Hartman
parent c860a3bd56
commit fdeccfdc37
2 changed files with 0 additions and 92 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/staging/lustre/lustre/include/obd_class.h
View File

@ -98,8 +98,6 @@ int class_notify_sptlrpc_conf(const char *fsname, int namelen);
char *obd_export_nid2str(struct obd_export *exp);
int obd_export_evict_by_nid(struct obd_device *obd, const char *nid);
int obd_export_evict_by_uuid(struct obd_device *obd, const char *uuid);
int obd_connect_flags2str(char *page, int count, __u64 flags, char *sep);
int obd_zombie_impexp_init(void);

90
drivers/staging/lustre/lustre/obdclass/genops.c
View File

@ -1278,96 +1278,6 @@ char *obd_export_nid2str(struct obd_export *exp)
}
EXPORT_SYMBOL(obd_export_nid2str);
int obd_export_evict_by_nid(struct obd_device *obd, const char *nid)
{
struct cfs_hash *nid_hash;
struct obd_export *doomed_exp = NULL;
int exports_evicted = 0;
lnet_nid_t nid_key = libcfs_str2nid((char *)nid);
spin_lock(&obd->obd_dev_lock);
/* umount has run already, so evict thread should leave
* its task to umount thread now */
if (obd->obd_stopping) {
spin_unlock(&obd->obd_dev_lock);
return exports_evicted;
}
nid_hash = obd->obd_nid_hash;
cfs_hash_getref(nid_hash);
spin_unlock(&obd->obd_dev_lock);
do {
doomed_exp = cfs_hash_lookup(nid_hash, &nid_key);
if (!doomed_exp)
break;
LASSERTF(doomed_exp->exp_connection->c_peer.nid == nid_key,
"nid %s found, wanted nid %s, requested nid %s\n",
obd_export_nid2str(doomed_exp),
libcfs_nid2str(nid_key), nid);
LASSERTF(doomed_exp != obd->obd_self_export,
"self-export is hashed by NID?\n");
exports_evicted++;
LCONSOLE_WARN("%s: evicting %s (at %s) by administrative request\n",
obd->obd_name,
obd_uuid2str(&doomed_exp->exp_client_uuid),
obd_export_nid2str(doomed_exp));
class_fail_export(doomed_exp);
class_export_put(doomed_exp);
} while (1);
cfs_hash_putref(nid_hash);
if (!exports_evicted)
CDEBUG(D_HA,
"%s: can't disconnect NID '%s': no exports found\n",
obd->obd_name, nid);
return exports_evicted;
}
EXPORT_SYMBOL(obd_export_evict_by_nid);
int obd_export_evict_by_uuid(struct obd_device *obd, const char *uuid)
{
struct cfs_hash *uuid_hash;
struct obd_export *doomed_exp = NULL;
struct obd_uuid doomed_uuid;
int exports_evicted = 0;
spin_lock(&obd->obd_dev_lock);
if (obd->obd_stopping) {
spin_unlock(&obd->obd_dev_lock);
return exports_evicted;
}
uuid_hash = obd->obd_uuid_hash;
cfs_hash_getref(uuid_hash);
spin_unlock(&obd->obd_dev_lock);
obd_str2uuid(&doomed_uuid, uuid);
if (obd_uuid_equals(&doomed_uuid, &obd->obd_uuid)) {
CERROR("%s: can't evict myself\n", obd->obd_name);
cfs_hash_putref(uuid_hash);
return exports_evicted;
}
doomed_exp = cfs_hash_lookup(uuid_hash, &doomed_uuid);
if (!doomed_exp) {
CERROR("%s: can't disconnect %s: no exports found\n",
obd->obd_name, uuid);
} else {
CWARN("%s: evicting %s at administrative request\n",
obd->obd_name, doomed_exp->exp_client_uuid.uuid);
class_fail_export(doomed_exp);
class_export_put(doomed_exp);
exports_evicted++;
}
cfs_hash_putref(uuid_hash);
return exports_evicted;
}
EXPORT_SYMBOL(obd_export_evict_by_uuid);
#if LUSTRE_TRACKS_LOCK_EXP_REFS
void (*class_export_dump_hook)(struct obd_export *) = NULL;
EXPORT_SYMBOL(class_export_dump_hook);