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mirror of git://sourceware.org/git/lvm2.git synced 2025-03-10 16:58:47 +03:00

Test for LCK_CLUSTER_VG directly in args[0].

Drop unused LCK_LOCAL from debug msg.
This commit is contained in:
Alasdair Kergon 2011-12-08 18:32:33 +00:00
parent 3cc78c578a
commit 585aaa922f
2 changed files with 19 additions and 20 deletions

View File

@ -120,7 +120,7 @@ int do_command(struct local_client *client, struct clvm_header *msg, int msglen,
case CLVMD_CMD_LOCK_LV:
/* This is the biggie */
lock_cmd = args[0] & (LCK_NONBLOCK | LCK_HOLD | LCK_SCOPE_MASK | LCK_TYPE_MASK);
lock_cmd = args[0];
lock_flags = args[1];
lockname = &args[2];
if (lock_flags & LCK_TEST_MODE)

View File

@ -109,10 +109,9 @@ static const char *decode_full_locking_cmd(uint32_t cmdl)
break;
}
sprintf(buf, "0x%x %s (%s|%s%s%s%s%s%s)", cmdl, command, type, scope,
sprintf(buf, "0x%x %s (%s|%s%s%s%s%s)", cmdl, command, type, scope,
cmdl & LCK_NONBLOCK ? "|NONBLOCK" : "",
cmdl & LCK_HOLD ? "|HOLD" : "",
cmdl & LCK_LOCAL ? "|LOCAL" : "",
cmdl & LCK_CLUSTER_VG ? "|CLUSTER_VG" : "",
cmdl & LCK_CACHE ? "|CACHE" : "");
@ -332,7 +331,7 @@ static int hold_unlock(char *resource)
*/
/* Activate LV exclusive or non-exclusive */
static int do_activate_lv(char *resource, unsigned char lock_flags, int mode)
static int do_activate_lv(char *resource, unsigned char command, unsigned char lock_flags, int mode)
{
int oldmode;
int status;
@ -342,7 +341,7 @@ static int do_activate_lv(char *resource, unsigned char lock_flags, int mode)
/* Is it already open ? */
oldmode = get_current_lock(resource);
if (oldmode == mode && (lock_flags & LCK_CLUSTER_VG)) {
if (oldmode == mode && (command & LCK_CLUSTER_VG)) {
DEBUGLOG("do_activate_lv, lock already held at %d\n", oldmode);
return 0; /* Nothing to do */
}
@ -365,7 +364,7 @@ static int do_activate_lv(char *resource, unsigned char lock_flags, int mode)
* Use lock conversion only if requested, to prevent implicit conversion
* of exclusive lock to shared one during activation.
*/
if (lock_flags & LCK_CLUSTER_VG) {
if (command & LCK_CLUSTER_VG) {
status = hold_lock(resource, mode, LCKF_NOQUEUE | (lock_flags & LCK_CONVERT ? LCKF_CONVERT:0));
if (status) {
/* Return an LVM-sensible error for this.
@ -405,13 +404,13 @@ error:
}
/* Resume the LV if it was active */
static int do_resume_lv(char *resource, unsigned char lock_flags)
static int do_resume_lv(char *resource, unsigned char command, unsigned char lock_flags)
{
int oldmode, origin_only, exclusive, revert;
/* Is it open ? */
oldmode = get_current_lock(resource);
if (oldmode == -1 && (lock_flags & LCK_CLUSTER_VG)) {
if (oldmode == -1 && (command & LCK_CLUSTER_VG)) {
DEBUGLOG("do_resume_lv, lock not already held\n");
return 0; /* We don't need to do anything */
}
@ -426,7 +425,7 @@ static int do_resume_lv(char *resource, unsigned char lock_flags)
}
/* Suspend the device if active */
static int do_suspend_lv(char *resource, unsigned char lock_flags)
static int do_suspend_lv(char *resource, unsigned char command, unsigned char lock_flags)
{
int oldmode;
struct lvinfo lvi;
@ -434,7 +433,7 @@ static int do_suspend_lv(char *resource, unsigned char lock_flags)
/* Is it open ? */
oldmode = get_current_lock(resource);
if (oldmode == -1 && (lock_flags & LCK_CLUSTER_VG)) {
if (oldmode == -1 && (command & LCK_CLUSTER_VG)) {
DEBUGLOG("do_suspend_lv, lock not already held\n");
return 0; /* Not active, so it's OK */
}
@ -449,14 +448,14 @@ static int do_suspend_lv(char *resource, unsigned char lock_flags)
return 0;
}
static int do_deactivate_lv(char *resource, unsigned char lock_flags)
static int do_deactivate_lv(char *resource, unsigned char command, unsigned char lock_flags)
{
int oldmode;
int status;
/* Is it open ? */
oldmode = get_current_lock(resource);
if (oldmode == -1 && (lock_flags & LCK_CLUSTER_VG)) {
if (oldmode == -1 && (command & LCK_CLUSTER_VG)) {
DEBUGLOG("do_deactivate_lock, lock not already held\n");
return 0; /* We don't need to do anything */
}
@ -464,7 +463,7 @@ static int do_deactivate_lv(char *resource, unsigned char lock_flags)
if (!lv_deactivate(cmd, resource))
return EIO;
if (lock_flags & LCK_CLUSTER_VG) {
if (command & LCK_CLUSTER_VG) {
status = hold_unlock(resource);
if (status)
return errno;
@ -529,24 +528,24 @@ int do_lock_lv(unsigned char command, unsigned char lock_flags, char *resource)
switch (command & LCK_MASK) {
case LCK_LV_EXCLUSIVE:
status = do_activate_lv(resource, lock_flags, LCK_EXCL);
status = do_activate_lv(resource, command, lock_flags, LCK_EXCL);
break;
case LCK_LV_SUSPEND:
status = do_suspend_lv(resource, lock_flags);
status = do_suspend_lv(resource, command, lock_flags);
break;
case LCK_UNLOCK:
case LCK_LV_RESUME: /* if active */
status = do_resume_lv(resource, lock_flags);
status = do_resume_lv(resource, command, lock_flags);
break;
case LCK_LV_ACTIVATE:
status = do_activate_lv(resource, lock_flags, LCK_READ);
status = do_activate_lv(resource, command, lock_flags, LCK_READ);
break;
case LCK_LV_DEACTIVATE:
status = do_deactivate_lv(resource, lock_flags);
status = do_deactivate_lv(resource, command, lock_flags);
break;
default:
@ -577,7 +576,7 @@ int pre_lock_lv(unsigned char command, unsigned char lock_flags, char *resource)
LCKF_CONVERT is used always, local node is going to modify metadata
*/
if ((command & (LCK_SCOPE_MASK | LCK_TYPE_MASK)) == LCK_LV_SUSPEND &&
(lock_flags & LCK_CLUSTER_VG)) {
(command & LCK_CLUSTER_VG)) {
DEBUGLOG("pre_lock_lv: resource '%s', cmd = %s, flags = %s\n",
resource, decode_locking_cmd(command), decode_flags(lock_flags));
@ -596,7 +595,7 @@ int post_lock_lv(unsigned char command, unsigned char lock_flags,
/* Opposite of above, done on resume after a metadata update */
if ((command & (LCK_SCOPE_MASK | LCK_TYPE_MASK)) == LCK_LV_RESUME &&
(lock_flags & LCK_CLUSTER_VG)) {
(command & LCK_CLUSTER_VG)) {
int oldmode;
DEBUGLOG