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author | Christoph Hellwig <hch@lst.de> | 2007-05-17 16:03:13 +0200 |
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committer | Mark Fasheh <mark.fasheh@oracle.com> | 2007-07-10 17:19:49 -0700 |
commit | 800deef3f6f87fee3a2e89cf7237a1f20c1a78d7 (patch) | |
tree | adc036024ba3ee6e04fe8c9cdd3b9abb4a2af14d /fs/ocfs2/dlm/dlmmaster.c | |
parent | e6df3a663a5d1ee68aeae7f007197f272700d9cc (diff) | |
download | op-kernel-dev-800deef3f6f87fee3a2e89cf7237a1f20c1a78d7.zip op-kernel-dev-800deef3f6f87fee3a2e89cf7237a1f20c1a78d7.tar.gz |
[PATCH] ocfs2: use list_for_each_entry where benefical
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
Diffstat (limited to 'fs/ocfs2/dlm/dlmmaster.c')
-rw-r--r-- | fs/ocfs2/dlm/dlmmaster.c | 40 |
1 files changed, 11 insertions, 29 deletions
diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c index 6edffca..65b2b9b 100644 --- a/fs/ocfs2/dlm/dlmmaster.c +++ b/fs/ocfs2/dlm/dlmmaster.c @@ -192,25 +192,20 @@ static void dlm_print_one_mle(struct dlm_master_list_entry *mle) static void dlm_dump_mles(struct dlm_ctxt *dlm) { struct dlm_master_list_entry *mle; - struct list_head *iter; mlog(ML_NOTICE, "dumping all mles for domain %s:\n", dlm->name); spin_lock(&dlm->master_lock); - list_for_each(iter, &dlm->master_list) { - mle = list_entry(iter, struct dlm_master_list_entry, list); + list_for_each_entry(mle, &dlm->master_list, list) dlm_print_one_mle(mle); - } spin_unlock(&dlm->master_lock); } int dlm_dump_all_mles(const char __user *data, unsigned int len) { - struct list_head *iter; struct dlm_ctxt *dlm; spin_lock(&dlm_domain_lock); - list_for_each(iter, &dlm_domains) { - dlm = list_entry (iter, struct dlm_ctxt, list); + list_for_each_entry(dlm, &dlm_domains, list) { mlog(ML_NOTICE, "found dlm: %p, name=%s\n", dlm, dlm->name); dlm_dump_mles(dlm); } @@ -454,12 +449,10 @@ static int dlm_find_mle(struct dlm_ctxt *dlm, char *name, unsigned int namelen) { struct dlm_master_list_entry *tmpmle; - struct list_head *iter; assert_spin_locked(&dlm->master_lock); - list_for_each(iter, &dlm->master_list) { - tmpmle = list_entry(iter, struct dlm_master_list_entry, list); + list_for_each_entry(tmpmle, &dlm->master_list, list) { if (!dlm_mle_equal(dlm, tmpmle, name, namelen)) continue; dlm_get_mle(tmpmle); @@ -472,13 +465,10 @@ static int dlm_find_mle(struct dlm_ctxt *dlm, void dlm_hb_event_notify_attached(struct dlm_ctxt *dlm, int idx, int node_up) { struct dlm_master_list_entry *mle; - struct list_head *iter; assert_spin_locked(&dlm->spinlock); - list_for_each(iter, &dlm->mle_hb_events) { - mle = list_entry(iter, struct dlm_master_list_entry, - hb_events); + list_for_each_entry(mle, &dlm->mle_hb_events, hb_events) { if (node_up) dlm_mle_node_up(dlm, mle, NULL, idx); else @@ -2434,7 +2424,7 @@ static int dlm_is_lockres_migrateable(struct dlm_ctxt *dlm, int ret; int i; int count = 0; - struct list_head *queue, *iter; + struct list_head *queue; struct dlm_lock *lock; assert_spin_locked(&res->spinlock); @@ -2453,8 +2443,7 @@ static int dlm_is_lockres_migrateable(struct dlm_ctxt *dlm, ret = 0; queue = &res->granted; for (i = 0; i < 3; i++) { - list_for_each(iter, queue) { - lock = list_entry(iter, struct dlm_lock, list); + list_for_each_entry(lock, queue, list) { ++count; if (lock->ml.node == dlm->node_num) { mlog(0, "found a lock owned by this node still " @@ -2923,18 +2912,16 @@ again: static void dlm_remove_nonlocal_locks(struct dlm_ctxt *dlm, struct dlm_lock_resource *res) { - struct list_head *iter, *iter2; struct list_head *queue = &res->granted; int i, bit; - struct dlm_lock *lock; + struct dlm_lock *lock, *next; assert_spin_locked(&res->spinlock); BUG_ON(res->owner == dlm->node_num); for (i=0; i<3; i++) { - list_for_each_safe(iter, iter2, queue) { - lock = list_entry (iter, struct dlm_lock, list); + list_for_each_entry_safe(lock, next, queue, list) { if (lock->ml.node != dlm->node_num) { mlog(0, "putting lock for node %u\n", lock->ml.node); @@ -2976,7 +2963,6 @@ static u8 dlm_pick_migration_target(struct dlm_ctxt *dlm, { int i; struct list_head *queue = &res->granted; - struct list_head *iter; struct dlm_lock *lock; int nodenum; @@ -2984,10 +2970,9 @@ static u8 dlm_pick_migration_target(struct dlm_ctxt *dlm, spin_lock(&res->spinlock); for (i=0; i<3; i++) { - list_for_each(iter, queue) { + list_for_each_entry(lock, queue, list) { /* up to the caller to make sure this node * is alive */ - lock = list_entry (iter, struct dlm_lock, list); if (lock->ml.node != dlm->node_num) { spin_unlock(&res->spinlock); return lock->ml.node; @@ -3234,8 +3219,7 @@ static int dlm_add_migration_mle(struct dlm_ctxt *dlm, void dlm_clean_master_list(struct dlm_ctxt *dlm, u8 dead_node) { - struct list_head *iter, *iter2; - struct dlm_master_list_entry *mle; + struct dlm_master_list_entry *mle, *next; struct dlm_lock_resource *res; unsigned int hash; @@ -3245,9 +3229,7 @@ top: /* clean the master list */ spin_lock(&dlm->master_lock); - list_for_each_safe(iter, iter2, &dlm->master_list) { - mle = list_entry(iter, struct dlm_master_list_entry, list); - + list_for_each_entry_safe(mle, next, &dlm->master_list, list) { BUG_ON(mle->type != DLM_MLE_BLOCK && mle->type != DLM_MLE_MASTER && mle->type != DLM_MLE_MIGRATION); |