Commit b2cad26c authored by Steven Whitehouse's avatar Steven Whitehouse

[GFS2] Remove obsolete conversion deadlock avoidance code

This is only used by GFS1 so can be removed.
Signed-off-by: default avatarSteven Whitehouse <swhiteho@redhat.com>
parent 1bdad606
......@@ -80,7 +80,6 @@ static void process_complete(struct gdlm_lock *lp)
{
struct gdlm_ls *ls = lp->ls;
struct lm_async_cb acb;
s16 prev_mode = lp->cur;
memset(&acb, 0, sizeof(acb));
......@@ -160,15 +159,7 @@ static void process_complete(struct gdlm_lock *lp)
lp->lksb.sb_status, lp->lockname.ln_type,
(unsigned long long)lp->lockname.ln_number,
lp->flags);
if (lp->lksb.sb_status == -EDEADLOCK &&
lp->ls->fsflags & LM_MFLAG_CONV_NODROP) {
lp->req = lp->cur;
acb.lc_ret |= LM_OUT_CONV_DEADLK;
if (lp->cur == DLM_LOCK_IV)
lp->lksb.sb_lkid = 0;
goto out;
} else
return;
return;
}
/*
......@@ -268,10 +259,6 @@ out:
acb.lc_name = lp->lockname;
acb.lc_ret |= gdlm_make_lmstate(lp->cur);
if (!test_and_clear_bit(LFL_NOCACHE, &lp->flags) &&
(lp->cur > DLM_LOCK_NL) && (prev_mode > DLM_LOCK_NL))
acb.lc_ret |= LM_OUT_CACHEABLE;
ls->fscb(ls->sdp, LM_CB_ASYNC, &acb);
}
......@@ -376,14 +363,6 @@ static inline unsigned int make_flags(struct gdlm_lock *lp,
if (lp->lksb.sb_lkid != 0) {
lkf |= DLM_LKF_CONVERT;
/* Conversion deadlock avoidance by DLM */
if (!(lp->ls->fsflags & LM_MFLAG_CONV_NODROP) &&
!test_bit(LFL_FORCE_PROMOTE, &lp->flags) &&
!(lkf & DLM_LKF_NOQUEUE) &&
cur > DLM_LOCK_NL && req > DLM_LOCK_NL && cur != req)
lkf |= DLM_LKF_CONVDEADLK;
}
if (lp->lvb)
......
......@@ -122,11 +122,9 @@ typedef void (*lm_callback_t) (void *ptr, unsigned int type, void *data);
*/
#define LM_OUT_ST_MASK 0x00000003
#define LM_OUT_CACHEABLE 0x00000004
#define LM_OUT_CANCELED 0x00000008
#define LM_OUT_ASYNC 0x00000080
#define LM_OUT_ERROR 0x00000100
#define LM_OUT_CONV_DEADLK 0x00000200
/*
* lm_callback_t types
......
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