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mirror of git://sourceware.org/git/lvm2.git synced 2025-10-04 05:44:18 +03:00

Merge with master 1fae121b22

This commit is contained in:
Heinz Mauelshagen
2015-08-21 18:10:59 +02:00
parent 8cf5993e96
commit 00ff2a2236
2 changed files with 2 additions and 18 deletions

View File

@@ -1291,7 +1291,7 @@ static int res_unlock(struct lockspace *ls, struct resource *r,
}
if (act->op != LD_OP_CLOSE)
log_error("S %s R %s res_unlock no locks", ls->name, r->name);
log_debug("S %s R %s res_unlock no locks", ls->name, r->name);
return -ENOENT;
do_unlock:

View File

@@ -255,41 +255,34 @@ static int _lock_vol(struct cmd_context *cmd, const char *resource,
_lock_memory(cmd, lv_op);
assert(resource);
PFLA("resource=%s", resource);
if (!*resource) {
log_error(INTERNAL_ERROR "Use of P_orphans is deprecated.");
goto out;
}
PFL();
if ((is_orphan_vg(resource) || is_global_vg(resource)) && (flags & LCK_CACHE)) {
log_error(INTERNAL_ERROR "P_%s referenced", resource);
goto out;
}
PFL();
if (cmd->metadata_read_only && lck_type == LCK_WRITE &&
strcmp(resource, VG_GLOBAL)) {
log_error("Operation prohibited while global/metadata_read_only is set.");
goto out;
}
PFL();
if ((ret = _locking.lock_resource(cmd, resource, flags, lv))) {
if (lck_scope == LCK_VG && !(flags & LCK_CACHE)) {
PFL();
if (lck_type != LCK_UNLOCK)
lvmcache_lock_vgname(resource, lck_type == LCK_READ);
dev_reset_error_count(cmd);
}
PFL();
_update_vg_lock_count(resource, flags);
} else
stack;
PFL();
/* If unlocking, always remove lock from lvmcache even if operation failed. */
if (lck_scope == LCK_VG && !(flags & LCK_CACHE) && lck_type == LCK_UNLOCK) {
lvmcache_unlock_vgname(resource);
@@ -297,7 +290,6 @@ PFL();
_update_vg_lock_count(resource, flags);
}
out:
PFLA("ret=%d", ret);
_unlock_memory(cmd, lv_op);
_unblock_signals();
@@ -309,7 +301,7 @@ int lock_vol(struct cmd_context *cmd, const char *vol, uint32_t flags, const str
char resource[258] __attribute__((aligned(8)));
lv_operation_t lv_op;
int lck_type = flags & LCK_TYPE_MASK;
PFL();
switch (flags & (LCK_SCOPE_MASK | LCK_TYPE_MASK)) {
case LCK_LV_SUSPEND:
lv_op = LV_SUSPEND;
@@ -328,10 +320,8 @@ PFL();
switch (flags & LCK_SCOPE_MASK) {
case LCK_ACTIVATION:
PFL();
break;
case LCK_VG:
PFL();
if (!_blocking_supported)
flags |= LCK_NONBLOCK;
@@ -350,12 +340,10 @@ PFL();
return_0;
break;
case LCK_LV:
PFL();
/* All LV locks are non-blocking. */
flags |= LCK_NONBLOCK;
break;
default:
PFL();
log_error("Unrecognised lock scope: %d",
flags & LCK_SCOPE_MASK);
return 0;
@@ -364,10 +352,8 @@ PFL();
strncpy(resource, vol, sizeof(resource) - 1);
resource[sizeof(resource) - 1] = '\0';
PFL();
if (!_lock_vol(cmd, resource, flags, lv_op, lv))
return_0;
PFL();
/*
* If a real lock was acquired (i.e. not LCK_CACHE),
@@ -377,11 +363,9 @@ PFL();
(flags & (LCK_CACHE | LCK_HOLD)))
return 1;
PFL();
if (!_lock_vol(cmd, resource, (flags & ~LCK_TYPE_MASK) | LCK_UNLOCK, lv_op, lv))
return_0;
PFL();
return 1;
}