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drbd: Renamed is_valid_state_transition() to is_valid_soft_transition()

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And removed the unused mdev parameter, and made the order of
the state parameters: os, ns

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
This commit is contained in:
Philipp Reisner 2011-02-09 15:10:33 +01:00
parent d50eee21c4
commit a75f34ad0c
1 changed files with 10 additions and 16 deletions
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26
drivers/block/drbd/drbd_state.c
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@ -45,6 +45,10 @@ static void after_state_ch(struct drbd_conf *mdev, union drbd_state os,
union drbd_state ns, enum chg_state_flags flags);
static void after_conn_state_ch(struct drbd_tconn *tconn, union drbd_state os,
union drbd_state ns, enum chg_state_flags flags);
static enum drbd_state_rv is_valid_state(struct drbd_conf *, union drbd_state);
static enum drbd_state_rv is_valid_soft_transition(union drbd_state, union drbd_state);
static union drbd_state sanitize_state(struct drbd_conf *mdev, union drbd_state os,
union drbd_state ns, const char **warn_sync_abort);
/**
* cl_wide_st_chg() - true if the state change is a cluster wide one
@ -94,15 +98,6 @@ void drbd_force_state(struct drbd_conf *mdev,
drbd_change_state(mdev, CS_HARD, mask, val);
}
static enum drbd_state_rv is_valid_state(struct drbd_conf *, union drbd_state);
static enum drbd_state_rv is_valid_state_transition(struct drbd_conf *,
union drbd_state,
union drbd_state);
static union drbd_state sanitize_state(struct drbd_conf *mdev, union drbd_state os,
union drbd_state ns, const char **warn_sync_abort);
int drbd_send_state_req(struct drbd_conf *,
union drbd_state, union drbd_state);
static enum drbd_state_rv
_req_st_cond(struct drbd_conf *mdev, union drbd_state mask,
union drbd_state val)
@ -128,7 +123,7 @@ _req_st_cond(struct drbd_conf *mdev, union drbd_state mask,
if (!rv) {
rv = is_valid_state(mdev, ns);
if (rv == SS_SUCCESS) {
rv = is_valid_state_transition(mdev, ns, os);
rv = is_valid_soft_transition(os, ns);
if (rv == SS_SUCCESS)
rv = SS_UNKNOWN_ERROR; /* cont waiting, otherwise fail. */
}
@ -171,7 +166,7 @@ drbd_req_state(struct drbd_conf *mdev, union drbd_state mask,
if (cl_wide_st_chg(mdev, os, ns)) {
rv = is_valid_state(mdev, ns);
if (rv == SS_SUCCESS)
rv = is_valid_state_transition(mdev, ns, os);
rv = is_valid_soft_transition(os, ns);
spin_unlock_irqrestore(&mdev->tconn->req_lock, flags);
if (rv < SS_SUCCESS) {
@ -344,14 +339,13 @@ is_valid_state(struct drbd_conf *mdev, union drbd_state ns)
}
/**
* is_valid_state_transition() - Returns an SS_ error code if the state transition is not possible
* is_valid_soft_transition() - Returns an SS_ error code if the state transition is not possible
* @mdev: DRBD device.
* @ns: new state.
* @os: old state.
*/
static enum drbd_state_rv
is_valid_state_transition(struct drbd_conf *mdev, union drbd_state ns,
union drbd_state os)
is_valid_soft_transition(union drbd_state os, union drbd_state ns)
{
enum drbd_state_rv rv = SS_SUCCESS;
@ -657,9 +651,9 @@ __drbd_set_state(struct drbd_conf *mdev, union drbd_state ns,
this happen...*/
if (is_valid_state(mdev, os) == rv)
rv = is_valid_state_transition(mdev, ns, os);
rv = is_valid_soft_transition(os, ns);
} else
rv = is_valid_state_transition(mdev, ns, os);
rv = is_valid_soft_transition(os, ns);
}
if (rv < SS_SUCCESS) {