Patch removes trailing whitespaces.
Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
return ret;
}
-/*
+/*
* ocfs2_dio_end_io is called by the dio core when a dio is finished. We're
* particularly interested in the aio/dio case. Like the core uses
* i_alloc_sem, we use the rw_lock DLM lock to protect io on one node from
ret = blockdev_direct_IO_no_locking(rw, iocb, inode,
inode->i_sb->s_bdev, iov, offset,
- nr_segs,
+ nr_segs,
ocfs2_direct_IO_get_blocks,
ocfs2_dio_end_io);
}
ocfs2_metadata_cache_io_unlock(ci);
- mlog(ML_BH_IO, "block=(%llu), nr=(%d), cached=%s, flags=0x%x\n",
+ mlog(ML_BH_IO, "block=(%llu), nr=(%d), cached=%s, flags=0x%x\n",
(unsigned long long)block, nr,
((flags & OCFS2_BH_IGNORE_CACHE) || ignore_cache) ? "no" : "yes",
flags);
unsigned int o2hb_dead_threshold = O2HB_DEFAULT_DEAD_THRESHOLD;
-/* Only sets a new threshold if there are no active regions.
+/* Only sets a new threshold if there are no active regions.
*
* No locking or otherwise interesting code is required for reading
* o2hb_dead_threshold as it can't change once regions are active and
mlog(ML_ERROR, "Heartbeat write timeout to device %s after %u "
"milliseconds\n", reg->hr_dev_name,
- jiffies_to_msecs(jiffies - reg->hr_last_timeout_start));
+ jiffies_to_msecs(jiffies - reg->hr_last_timeout_start));
o2quo_disk_timeout();
}
"seq %llu last %llu changed %u equal %u\n",
slot->ds_node_num, (long long)slot->ds_last_generation,
le32_to_cpu(hb_block->hb_cksum),
- (unsigned long long)le64_to_cpu(hb_block->hb_seq),
+ (unsigned long long)le64_to_cpu(hb_block->hb_seq),
(unsigned long long)slot->ds_last_time, slot->ds_changed_samples,
slot->ds_equal_samples);
cond_resched();
continue;
}
- mlog(ML_ERROR, "sendpage of size %zu to " SC_NODEF_FMT
+ mlog(ML_ERROR, "sendpage of size %zu to " SC_NODEF_FMT
" failed with %zd\n", size, SC_NODEF_ARGS(sc), ret);
o2net_ensure_shutdown(nn, sc, 0);
break;
mlog(ML_NOTICE, "here are some times that might help debug the "
"situation: (tmr %ld.%ld now %ld.%ld dr %ld.%ld adv "
"%ld.%ld:%ld.%ld func (%08x:%u) %ld.%ld:%ld.%ld)\n",
- sc->sc_tv_timer.tv_sec, (long) sc->sc_tv_timer.tv_usec,
+ sc->sc_tv_timer.tv_sec, (long) sc->sc_tv_timer.tv_usec,
now.tv_sec, (long) now.tv_usec,
sc->sc_tv_data_ready.tv_sec, (long) sc->sc_tv_data_ready.tv_usec,
sc->sc_tv_advance_start.tv_sec,
* on their number */
#define O2NET_QUORUM_DELAY_MS ((o2hb_dead_threshold + 2) * O2HB_REGION_TIMEOUT_MS)
-/*
+/*
* This version number represents quite a lot, unfortunately. It not
* only represents the raw network message protocol on the wire but also
- * locking semantics of the file system using the protocol. It should
+ * locking semantics of the file system using the protocol. It should
* be somewhere else, I'm sure, but right now it isn't.
*
* With version 11, we separate out the filesystem locking portion. The
mlog(ML_ERROR, "dlm status = %s\n", dlm_errname((st))); \
} while (0)
-#define DLM_LKSB_UNUSED1 0x01
+#define DLM_LKSB_UNUSED1 0x01
#define DLM_LKSB_PUT_LVB 0x02
#define DLM_LKSB_GET_LVB 0x04
#define DLM_LKSB_UNUSED2 0x08
dlm_lock_put(lock);
/* free up the reserved bast that we are cancelling.
* guaranteed that this will not be the last reserved
- * ast because *both* an ast and a bast were reserved
+ * ast because *both* an ast and a bast were reserved
* to get to this point. the res->spinlock will not be
* taken here */
dlm_lockres_release_ast(dlm, res);
/* instead of logging the same network error over
* and over, sleep here and wait for the heartbeat
* to notice the node is dead. times out after 5s. */
- dlm_wait_for_node_death(dlm, res->owner,
+ dlm_wait_for_node_death(dlm, res->owner,
DLM_NODE_DEATH_WAIT_MAX);
ret = DLM_RECOVERING;
mlog(0, "node %u died so returning DLM_RECOVERING "
}
/* Once the dlm ctxt is marked as leaving then we don't want
- * to be put in someone's domain map.
+ * to be put in someone's domain map.
* Also, explicitly disallow joining at certain troublesome
* times (ie. during recovery). */
if (dlm && dlm->dlm_state != DLM_CTXT_LEAVING) {
}
dlm_revert_pending_lock(res, lock);
dlm_lock_put(lock);
- } else if (dlm_is_recovery_lock(res->lockname.name,
+ } else if (dlm_is_recovery_lock(res->lockname.name,
res->lockname.len)) {
/* special case for the $RECOVERY lock.
* there will never be an AST delivered to put
struct dlm_master_list_entry *mle;
assert_spin_locked(&dlm->spinlock);
-
+
list_for_each_entry(mle, &dlm->mle_hb_events, hb_events) {
if (node_up)
dlm_mle_node_up(dlm, mle, NULL, idx);
__dlm_insert_mle(dlm, mle);
/* still holding the dlm spinlock, check the recovery map
- * to see if there are any nodes that still need to be
+ * to see if there are any nodes that still need to be
* considered. these will not appear in the mle nodemap
* but they might own this lockres. wait on them. */
bit = find_next_bit(dlm->recovery_map, O2NM_MAX_NODES, 0);
msleep(500);
}
continue;
- }
+ }
dlm_kick_recovery_thread(dlm);
msleep(1000);
res->lockname.name, blocked);
if (++tries > 20) {
mlog(ML_ERROR, "%s:%.*s: spinning on "
- "dlm_wait_for_lock_mastery, blocked=%d\n",
- dlm->name, res->lockname.len,
+ "dlm_wait_for_lock_mastery, blocked=%d\n",
+ dlm->name, res->lockname.len,
res->lockname.name, blocked);
dlm_print_one_lock_resource(res);
dlm_print_one_mle(mle);
ret = dlm_restart_lock_mastery(dlm, res, mle, *blocked);
b = (mle->type == DLM_MLE_BLOCK);
if ((*blocked && !b) || (!*blocked && b)) {
- mlog(0, "%s:%.*s: status change: old=%d new=%d\n",
+ mlog(0, "%s:%.*s: status change: old=%d new=%d\n",
dlm->name, res->lockname.len, res->lockname.name,
*blocked, b);
*blocked = b;
}
mlog(0, "%u is the owner of %.*s, cleaning everyone else\n",
dlm->node_num, res->lockname.len, res->lockname.name);
- ret = dlm_dispatch_assert_master(dlm, res, 0, request->node_idx,
+ ret = dlm_dispatch_assert_master(dlm, res, 0, request->node_idx,
DLM_ASSERT_MASTER_MLE_CLEANUP);
if (ret < 0) {
mlog(ML_ERROR, "failed to dispatch assert master work\n");
if (r & DLM_ASSERT_RESPONSE_REASSERT) {
mlog(0, "%.*s: node %u create mles on other "
- "nodes and requests a re-assert\n",
+ "nodes and requests a re-assert\n",
namelen, lockname, to);
reassert = 1;
}
spin_unlock(&dlm->master_lock);
spin_unlock(&dlm->spinlock);
goto done;
- }
+ }
}
}
spin_unlock(&dlm->master_lock);
int extra_ref = 0;
int nn = -1;
int rr, err = 0;
-
+
spin_lock(&mle->spinlock);
if (mle->type == DLM_MLE_BLOCK || mle->type == DLM_MLE_MIGRATION)
extra_ref = 1;
/* MASTER mle: if any bits set in the response map
* then the calling node needs to re-assert to clear
* up nodes that this node contacted */
- while ((nn = find_next_bit (mle->response_map, O2NM_MAX_NODES,
+ while ((nn = find_next_bit (mle->response_map, O2NM_MAX_NODES,
nn+1)) < O2NM_MAX_NODES) {
if (nn != dlm->node_num && nn != assert->node_idx)
master_request = 1;
__dlm_print_one_lock_resource(res);
spin_unlock(&res->spinlock);
spin_unlock(&dlm->spinlock);
- *ret_data = (void *)res;
+ *ret_data = (void *)res;
dlm_put(dlm);
return -EINVAL;
}
item->u.am.request_from = request_from;
item->u.am.flags = flags;
- if (ignore_higher)
- mlog(0, "IGNORE HIGHER: %.*s\n", res->lockname.len,
+ if (ignore_higher)
+ mlog(0, "IGNORE HIGHER: %.*s\n", res->lockname.len,
res->lockname.name);
-
+
spin_lock(&dlm->work_lock);
list_add_tail(&item->list, &dlm->work_list);
spin_unlock(&dlm->work_lock);
* think that $RECOVERY is currently mastered by a dead node. If so,
* we wait a short time to allow that node to get notified by its own
* heartbeat stack, then check again. All $RECOVERY lock resources
- * mastered by dead nodes are purged when the hearbeat callback is
+ * mastered by dead nodes are purged when the hearbeat callback is
* fired, so we can know for sure that it is safe to continue once
* the node returns a live node or no node. */
static int dlm_pre_master_reco_lockres(struct dlm_ctxt *dlm,
ret = -EAGAIN;
}
spin_unlock(&dlm->spinlock);
- mlog(0, "%s: reco lock master is %u\n", dlm->name,
+ mlog(0, "%s: reco lock master is %u\n", dlm->name,
master);
break;
}
mlog(0, "%s:%.*s: timed out during migration\n",
dlm->name, res->lockname.len, res->lockname.name);
- /* avoid hang during shutdown when migrating lockres
+ /* avoid hang during shutdown when migrating lockres
* to a node which also goes down */
if (dlm_is_node_dead(dlm, target)) {
mlog(0, "%s:%.*s: expected migration "
can_proceed = !!(res->state & DLM_LOCK_RES_MIGRATING);
spin_unlock(&res->spinlock);
- /* target has died, so make the caller break out of the
+ /* target has died, so make the caller break out of the
* wait_event, but caller must recheck the domain_map */
spin_lock(&dlm->spinlock);
if (!test_bit(mig_target, dlm->domain_map))
if (lock->ml.node == dead_node) {
mlog(0, "AHA! there was "
"a $RECOVERY lock for dead "
- "node %u (%s)!\n",
+ "node %u (%s)!\n",
dead_node, dlm->name);
list_del_init(&lock->list);
dlm_lock_put(lock);
* the lvb. */
memcpy(res->lvb, mres->lvb, DLM_LVB_LEN);
} else {
- /* otherwise, the node is sending its
+ /* otherwise, the node is sending its
* most recent valid lvb info */
BUG_ON(ml->type != LKM_EXMODE &&
ml->type != LKM_PRMODE);
assert_spin_locked(&res->spinlock);
if (res->owner == dlm->node_num)
- /* if this node owned the lockres, and if the dead node
+ /* if this node owned the lockres, and if the dead node
* had an EX when he died, blank out the lvb */
search_node = dead_node;
else {
/* this node is the lockres master:
* 1) remove any stale locks for the dead node
- * 2) if the dead node had an EX when he died, blank out the lvb
+ * 2) if the dead node had an EX when he died, blank out the lvb
*/
assert_spin_locked(&dlm->spinlock);
assert_spin_locked(&res->spinlock);
}
spin_unlock(&res->spinlock);
continue;
- }
+ }
spin_lock(&res->spinlock);
/* zero the lvb if necessary */
dlm_revalidate_lvb(dlm, res, dead_node);
* this function on each node racing to become the recovery
* master will not stop attempting this until either:
* a) this node gets the EX (and becomes the recovery master),
- * or b) dlm->reco.new_master gets set to some nodenum
+ * or b) dlm->reco.new_master gets set to some nodenum
* != O2NM_INVALID_NODE_NUM (another node will do the reco).
* so each time a recovery master is needed, the entire cluster
* will sync at this point. if the new master dies, that will
mlog(0, "starting recovery of %s at %lu, dead=%u, this=%u\n",
dlm->name, jiffies, dlm->reco.dead_node, dlm->node_num);
-again:
+again:
memset(&lksb, 0, sizeof(lksb));
ret = dlmlock(dlm, LKM_EXMODE, &lksb, LKM_NOQUEUE|LKM_RECOVERY,
if (ret == DLM_NORMAL) {
mlog(0, "dlm=%s dlmlock says I got it (this=%u)\n",
dlm->name, dlm->node_num);
-
- /* got the EX lock. check to see if another node
+
+ /* got the EX lock. check to see if another node
* just became the reco master */
if (dlm_reco_master_ready(dlm)) {
mlog(0, "%s: got reco EX lock, but %u will "
/* see if recovery was already finished elsewhere */
spin_lock(&dlm->spinlock);
if (dlm->reco.dead_node == O2NM_INVALID_NODE_NUM) {
- status = -EINVAL;
+ status = -EINVAL;
mlog(0, "%s: got reco EX lock, but "
"node got recovered already\n", dlm->name);
if (dlm->reco.new_master != O2NM_INVALID_NODE_NUM) {
mlog(ML_ERROR, "%s: new master is %u "
- "but no dead node!\n",
+ "but no dead node!\n",
dlm->name, dlm->reco.new_master);
BUG();
}
* set the master and send the messages to begin recovery */
if (!status) {
mlog(0, "%s: dead=%u, this=%u, sending "
- "begin_reco now\n", dlm->name,
+ "begin_reco now\n", dlm->name,
dlm->reco.dead_node, dlm->node_num);
status = dlm_send_begin_reco_message(dlm,
dlm->reco.dead_node);
mlog(0, "dlm=%s dlmlock says another node got it (this=%u)\n",
dlm->name, dlm->node_num);
/* another node is master. wait on
- * reco.new_master != O2NM_INVALID_NODE_NUM
+ * reco.new_master != O2NM_INVALID_NODE_NUM
* for at most one second */
wait_event_timeout(dlm->dlm_reco_thread_wq,
dlm_reco_master_ready(dlm),
}
if (ret < 0) {
struct dlm_lock_resource *res;
- /* this is now a serious problem, possibly ENOMEM
+ /* this is now a serious problem, possibly ENOMEM
* in the network stack. must retry */
mlog_errno(ret);
mlog(ML_ERROR, "begin reco of dlm %s to node %u "
} else {
mlog(ML_ERROR, "recovery lock not found\n");
}
- /* sleep for a bit in hopes that we can avoid
+ /* sleep for a bit in hopes that we can avoid
* another ENOMEM */
msleep(100);
goto retry;
}
if (dlm->reco.dead_node != O2NM_INVALID_NODE_NUM) {
mlog(ML_NOTICE, "%s: dead_node previously set to %u, "
- "node %u changing it to %u\n", dlm->name,
+ "node %u changing it to %u\n", dlm->name,
dlm->reco.dead_node, br->node_idx, br->dead_node);
}
dlm_set_reco_master(dlm, br->node_idx);
if (ret < 0) {
mlog_errno(ret);
if (dlm_is_host_down(ret)) {
- /* this has no effect on this recovery
- * session, so set the status to zero to
+ /* this has no effect on this recovery
+ * session, so set the status to zero to
* finish out the last recovery */
mlog(ML_ERROR, "node %u went down after this "
"node finished recovery.\n", nodenum);
mlog(0, "%s: node %u finalizing recovery stage%d of "
"node %u (%u:%u)\n", dlm->name, fr->node_idx, stage,
fr->dead_node, dlm->reco.dead_node, dlm->reco.new_master);
-
+
spin_lock(&dlm->spinlock);
if (dlm->reco.new_master != fr->node_idx) {
actions &= ~(DLM_UNLOCK_REMOVE_LOCK|
DLM_UNLOCK_REGRANT_LOCK|
DLM_UNLOCK_CLEAR_CONVERT_TYPE);
- } else if (status == DLM_RECOVERING ||
- status == DLM_MIGRATING ||
+ } else if (status == DLM_RECOVERING ||
+ status == DLM_MIGRATING ||
status == DLM_FORWARD) {
/* must clear the actions because this unlock
* is about to be retried. cannot free or do
if (call_ast) {
mlog(0, "calling unlockast(%p, %d)\n", data, status);
if (is_master) {
- /* it is possible that there is one last bast
+ /* it is possible that there is one last bast
* pending. make sure it is flushed, then
* call the unlockast.
* not an issue if this is a mastered remotely,
* since this lock has been removed from the
* lockres queues and cannot be found. */
dlm_kick_thread(dlm, NULL);
- wait_event(dlm->ast_wq,
+ wait_event(dlm->ast_wq,
dlm_lock_basts_flushed(dlm, lock));
}
(*unlockast)(data, status);
/* Mark the lockres as being dropped. It will no longer be
* queued if blocking, but we still may have to wait on it
* being dequeued from the downconvert thread before we can consider
- * it safe to drop.
+ * it safe to drop.
*
* You can *not* attempt to call cluster_lock on this lockres anymore. */
void ocfs2_mark_lockres_freeing(struct ocfs2_lock_res *lockres)
mlog(0, "Encoding parent: blkno: %llu, generation: %u\n",
(unsigned long long)blkno, generation);
}
-
+
*max_len = len;
bail:
int ret;
offset = (size & (PAGE_CACHE_SIZE-1)); /* Within page */
- /* ugh. in prepare/commit_write, if from==to==start of block, we
+ /* ugh. in prepare/commit_write, if from==to==start of block, we
** skip the prepare. make sure we never send an offset for the start
** of a block
*/
struct inode *inode = dentry->d_inode;
loff_t saved_pos, end;
- /*
+ /*
* We start with a read level meta lock and only jump to an ex
* if we need to make modifications here.
*/
pos + count - 1);
}
- /*
+ /*
* deep in g_f_a_w_n()->ocfs2_direct_IO we pass in a ocfs2_dio_end_io
* function pointer which is called when o_direct io completes so that
* it can unlock our rw lock. (it's the clustered equivalent of
goto bail;
}
- /*
+ /*
* buffered reads protect themselves in ->readpage(). O_DIRECT reads
* need locks to protect pending reads from racing with truncate.
*/
* We're fine letting folks race truncates and extending
* writes with read across the cluster, just like they can
* locally. Hence no rw_lock during read.
- *
+ *
* Take and drop the meta data lock to update inode fields
* like i_size. This allows the checks down below
- * generic_file_aio_read() a chance of actually working.
+ * generic_file_aio_read() a chance of actually working.
*/
ret = ocfs2_inode_lock_atime(inode, filp->f_vfsmnt, &lock_level);
if (ret < 0) {
bail:
if (have_alloc_sem)
up_read(&inode->i_alloc_sem);
- if (rw_level != -1)
+ if (rw_level != -1)
ocfs2_rw_unlock(inode, rw_level);
mlog_exit(ret);
if (args->fi_flags & OCFS2_FI_FLAG_ORPHAN_RECOVERY) {
status = ocfs2_try_open_lock(inode, 0);
if (status) {
- make_bad_inode(inode);
+ make_bad_inode(inode);
return status;
}
}
return status;
}
-/*
+/*
* Serialize with orphan dir recovery. If the process doing
* recovery on this orphan dir does an iget() with the dir
* i_mutex held, we'll deadlock here. Instead we detect this
status = -ENOENT;
mlog_errno(status);
return status;
- }
+ }
mutex_lock(&orphan_dir_inode->i_mutex);
status = ocfs2_inode_lock(orphan_dir_inode, NULL, 0);
"file system, but write access is "
"unavailable.\n");
else
- mlog_errno(status);
+ mlog_errno(status);
goto read_super_error;
}
}
/* Warning: even if it returns true, this does *not* guarantee that
- * the block is stored in our inode metadata cache.
- *
+ * the block is stored in our inode metadata cache.
+ *
* This can be called under lock_buffer()
*/
int ocfs2_buffer_uptodate(struct ocfs2_caching_info *ci,
projects / GitHub / exynos8895 / android_kernel_samsung_universal8895.git / commitdiff