diff options
Diffstat (limited to 'fs/gfs2/locking/dlm')
-rw-r--r-- | fs/gfs2/locking/dlm/lock.c | 7 | ||||
-rw-r--r-- | fs/gfs2/locking/dlm/lock_dlm.h | 5 | ||||
-rw-r--r-- | fs/gfs2/locking/dlm/main.c | 2 | ||||
-rw-r--r-- | fs/gfs2/locking/dlm/sysfs.c | 2 | ||||
-rw-r--r-- | fs/gfs2/locking/dlm/thread.c | 10 |
5 files changed, 18 insertions, 8 deletions
diff --git a/fs/gfs2/locking/dlm/lock.c b/fs/gfs2/locking/dlm/lock.c index 542a797..cf7ea8a 100644 --- a/fs/gfs2/locking/dlm/lock.c +++ b/fs/gfs2/locking/dlm/lock.c @@ -137,7 +137,8 @@ static inline unsigned int make_flags(struct gdlm_lock *lp, /* Conversion deadlock avoidance by DLM */ - if (!test_bit(LFL_FORCE_PROMOTE, &lp->flags) && + 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; @@ -164,7 +165,7 @@ static int gdlm_create_lp(struct gdlm_ls *ls, struct lm_lockname *name, { struct gdlm_lock *lp; - lp = kzalloc(sizeof(struct gdlm_lock), GFP_KERNEL); + lp = kzalloc(sizeof(struct gdlm_lock), GFP_NOFS); if (!lp) return -ENOMEM; @@ -382,7 +383,7 @@ static int gdlm_add_lvb(struct gdlm_lock *lp) { char *lvb; - lvb = kzalloc(GDLM_LVB_SIZE, GFP_KERNEL); + lvb = kzalloc(GDLM_LVB_SIZE, GFP_NOFS); if (!lvb) return -ENOMEM; diff --git a/fs/gfs2/locking/dlm/lock_dlm.h b/fs/gfs2/locking/dlm/lock_dlm.h index 9e8265d..58fcf8c 100644 --- a/fs/gfs2/locking/dlm/lock_dlm.h +++ b/fs/gfs2/locking/dlm/lock_dlm.h @@ -183,5 +183,10 @@ int gdlm_plock_get(void *, struct lm_lockname *, struct file *, struct file_lock *); int gdlm_punlock(void *, struct lm_lockname *, struct file *, struct file_lock *); + +/* mount.c */ + +extern const struct lm_lockops gdlm_ops; + #endif diff --git a/fs/gfs2/locking/dlm/main.c b/fs/gfs2/locking/dlm/main.c index a0e7eda..36a2258 100644 --- a/fs/gfs2/locking/dlm/main.c +++ b/fs/gfs2/locking/dlm/main.c @@ -11,8 +11,6 @@ #include "lock_dlm.h" -extern struct lm_lockops gdlm_ops; - static int __init init_lock_dlm(void) { int error; diff --git a/fs/gfs2/locking/dlm/sysfs.c b/fs/gfs2/locking/dlm/sysfs.c index a87b098..8479da4 100644 --- a/fs/gfs2/locking/dlm/sysfs.c +++ b/fs/gfs2/locking/dlm/sysfs.c @@ -12,8 +12,6 @@ #include "lock_dlm.h" -extern struct lm_lockops gdlm_ops; - static ssize_t proto_name_show(struct gdlm_ls *ls, char *buf) { return sprintf(buf, "%s\n", gdlm_ops.lm_proto_name); diff --git a/fs/gfs2/locking/dlm/thread.c b/fs/gfs2/locking/dlm/thread.c index 521694f..e53db6f 100644 --- a/fs/gfs2/locking/dlm/thread.c +++ b/fs/gfs2/locking/dlm/thread.c @@ -135,7 +135,15 @@ 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); - return; + 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; } /* |