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-rw-r--r--fs/ocfs2/aops.c13
-rw-r--r--fs/ocfs2/cluster/heartbeat.c10
-rw-r--r--fs/ocfs2/cluster/netdebug.c8
-rw-r--r--fs/ocfs2/cluster/nodemanager.c16
-rw-r--r--fs/ocfs2/dlm/dlmmaster.c2
-rw-r--r--fs/ocfs2/dlmglue.c136
-rw-r--r--fs/ocfs2/file.c2
-rw-r--r--fs/ocfs2/journal.c2
-rw-r--r--fs/ocfs2/localalloc.c2
-rw-r--r--fs/ocfs2/ocfs2.h12
-rw-r--r--fs/ocfs2/ocfs2_fs.h2
-rw-r--r--fs/ocfs2/stack_user.c22
-rw-r--r--fs/ocfs2/super.c6
13 files changed, 181 insertions, 52 deletions
diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
index 17964c0505a..1db080135c6 100644
--- a/fs/ocfs2/aops.c
+++ b/fs/ocfs2/aops.c
@@ -174,10 +174,17 @@ static int ocfs2_get_block(struct inode *inode, sector_t iblock,
* need to use BH_New is when we're extending i_size on a file
* system which doesn't support holes, in which case BH_New
* allows block_prepare_write() to zero.
+ *
+ * If we see this on a sparse file system, then a truncate has
+ * raced us and removed the cluster. In this case, we clear
+ * the buffers dirty and uptodate bits and let the buffer code
+ * ignore it as a hole.
*/
- mlog_bug_on_msg(create && p_blkno == 0 && ocfs2_sparse_alloc(osb),
- "ino %lu, iblock %llu\n", inode->i_ino,
- (unsigned long long)iblock);
+ if (create && p_blkno == 0 && ocfs2_sparse_alloc(osb)) {
+ clear_buffer_dirty(bh_result);
+ clear_buffer_uptodate(bh_result);
+ goto bail;
+ }
/* Treat the unwritten extent as a hole for zeroing purposes. */
if (p_blkno && !(ext_flags & OCFS2_EXT_UNWRITTEN))
diff --git a/fs/ocfs2/cluster/heartbeat.c b/fs/ocfs2/cluster/heartbeat.c
index f02ccb34604..7dce1612553 100644
--- a/fs/ocfs2/cluster/heartbeat.c
+++ b/fs/ocfs2/cluster/heartbeat.c
@@ -1493,24 +1493,18 @@ static struct config_item *o2hb_heartbeat_group_make_item(struct config_group *g
const char *name)
{
struct o2hb_region *reg = NULL;
- struct config_item *ret = NULL;
reg = kzalloc(sizeof(struct o2hb_region), GFP_KERNEL);
if (reg == NULL)
- goto out; /* ENOMEM */
+ return ERR_PTR(-ENOMEM);
config_item_init_type_name(&reg->hr_item, name, &o2hb_region_type);
- ret = &reg->hr_item;
-
spin_lock(&o2hb_live_lock);
list_add_tail(&reg->hr_all_item, &o2hb_all_regions);
spin_unlock(&o2hb_live_lock);
-out:
- if (ret == NULL)
- kfree(reg);
- return ret;
+ return &reg->hr_item;
}
static void o2hb_heartbeat_group_drop_item(struct config_group *group,
diff --git a/fs/ocfs2/cluster/netdebug.c b/fs/ocfs2/cluster/netdebug.c
index 7bf3c0ea7bd..d8bfa0eb41b 100644
--- a/fs/ocfs2/cluster/netdebug.c
+++ b/fs/ocfs2/cluster/netdebug.c
@@ -146,8 +146,10 @@ static int nst_seq_show(struct seq_file *seq, void *v)
nst->st_task->comm, nst->st_node,
nst->st_sc, nst->st_id, nst->st_msg_type,
nst->st_msg_key,
- nst->st_sock_time.tv_sec, nst->st_sock_time.tv_usec,
- nst->st_send_time.tv_sec, nst->st_send_time.tv_usec,
+ nst->st_sock_time.tv_sec,
+ (unsigned long)nst->st_sock_time.tv_usec,
+ nst->st_send_time.tv_sec,
+ (unsigned long)nst->st_send_time.tv_usec,
nst->st_status_time.tv_sec,
nst->st_status_time.tv_usec);
}
@@ -274,7 +276,7 @@ static void *sc_seq_next(struct seq_file *seq, void *v, loff_t *pos)
return sc; /* unused, just needs to be null when done */
}
-#define TV_SEC_USEC(TV) TV.tv_sec, TV.tv_usec
+#define TV_SEC_USEC(TV) TV.tv_sec, (unsigned long)TV.tv_usec
static int sc_seq_show(struct seq_file *seq, void *v)
{
diff --git a/fs/ocfs2/cluster/nodemanager.c b/fs/ocfs2/cluster/nodemanager.c
index cfdb08b484e..816a3f61330 100644
--- a/fs/ocfs2/cluster/nodemanager.c
+++ b/fs/ocfs2/cluster/nodemanager.c
@@ -648,26 +648,19 @@ static struct config_item *o2nm_node_group_make_item(struct config_group *group,
const char *name)
{
struct o2nm_node *node = NULL;
- struct config_item *ret = NULL;
if (strlen(name) > O2NM_MAX_NAME_LEN)
- goto out; /* ENAMETOOLONG */
+ return ERR_PTR(-ENAMETOOLONG);
node = kzalloc(sizeof(struct o2nm_node), GFP_KERNEL);
if (node == NULL)
- goto out; /* ENOMEM */
+ return ERR_PTR(-ENOMEM);
strcpy(node->nd_name, name); /* use item.ci_namebuf instead? */
config_item_init_type_name(&node->nd_item, name, &o2nm_node_type);
spin_lock_init(&node->nd_lock);
- ret = &node->nd_item;
-
-out:
- if (ret == NULL)
- kfree(node);
-
- return ret;
+ return &node->nd_item;
}
static void o2nm_node_group_drop_item(struct config_group *group,
@@ -762,7 +755,7 @@ static struct config_group *o2nm_cluster_group_make_group(struct config_group *g
/* this runs under the parent dir's i_mutex; there can be only
* one caller in here at a time */
if (o2nm_single_cluster)
- goto out; /* ENOSPC */
+ return ERR_PTR(-ENOSPC);
cluster = kzalloc(sizeof(struct o2nm_cluster), GFP_KERNEL);
ns = kzalloc(sizeof(struct o2nm_node_group), GFP_KERNEL);
@@ -795,6 +788,7 @@ out:
kfree(ns);
o2hb_free_hb_set(o2hb_group);
kfree(defs);
+ ret = ERR_PTR(-ENOMEM);
}
return ret;
diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c
index efc015c6128..44f87caf368 100644
--- a/fs/ocfs2/dlm/dlmmaster.c
+++ b/fs/ocfs2/dlm/dlmmaster.c
@@ -606,7 +606,9 @@ static void dlm_init_lockres(struct dlm_ctxt *dlm,
res->last_used = 0;
+ spin_lock(&dlm->spinlock);
list_add_tail(&res->tracking, &dlm->tracking_list);
+ spin_unlock(&dlm->spinlock);
memset(res->lvb, 0, DLM_LVB_LEN);
memset(res->refmap, 0, sizeof(res->refmap));
diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c
index 394d25a131a..eae3d643a5e 100644
--- a/fs/ocfs2/dlmglue.c
+++ b/fs/ocfs2/dlmglue.c
@@ -31,6 +31,7 @@
#include <linux/pagemap.h>
#include <linux/debugfs.h>
#include <linux/seq_file.h>
+#include <linux/time.h>
#define MLOG_MASK_PREFIX ML_DLM_GLUE
#include <cluster/masklog.h>
@@ -59,6 +60,9 @@ struct ocfs2_mask_waiter {
struct completion mw_complete;
unsigned long mw_mask;
unsigned long mw_goal;
+#ifdef CONFIG_OCFS2_FS_STATS
+ unsigned long long mw_lock_start;
+#endif
};
static struct ocfs2_super *ocfs2_get_dentry_osb(struct ocfs2_lock_res *lockres);
@@ -366,6 +370,75 @@ static void ocfs2_remove_lockres_tracking(struct ocfs2_lock_res *res)
spin_unlock(&ocfs2_dlm_tracking_lock);
}
+#ifdef CONFIG_OCFS2_FS_STATS
+static void ocfs2_init_lock_stats(struct ocfs2_lock_res *res)
+{
+ res->l_lock_num_prmode = 0;
+ res->l_lock_num_prmode_failed = 0;
+ res->l_lock_total_prmode = 0;
+ res->l_lock_max_prmode = 0;
+ res->l_lock_num_exmode = 0;
+ res->l_lock_num_exmode_failed = 0;
+ res->l_lock_total_exmode = 0;
+ res->l_lock_max_exmode = 0;
+ res->l_lock_refresh = 0;
+}
+
+static void ocfs2_update_lock_stats(struct ocfs2_lock_res *res, int level,
+ struct ocfs2_mask_waiter *mw, int ret)
+{
+ unsigned long long *num, *sum;
+ unsigned int *max, *failed;
+ struct timespec ts = current_kernel_time();
+ unsigned long long time = timespec_to_ns(&ts) - mw->mw_lock_start;
+
+ if (level == LKM_PRMODE) {
+ num = &res->l_lock_num_prmode;
+ sum = &res->l_lock_total_prmode;
+ max = &res->l_lock_max_prmode;
+ failed = &res->l_lock_num_prmode_failed;
+ } else if (level == LKM_EXMODE) {
+ num = &res->l_lock_num_exmode;
+ sum = &res->l_lock_total_exmode;
+ max = &res->l_lock_max_exmode;
+ failed = &res->l_lock_num_exmode_failed;
+ } else
+ return;
+
+ (*num)++;
+ (*sum) += time;
+ if (time > *max)
+ *max = time;
+ if (ret)
+ (*failed)++;
+}
+
+static inline void ocfs2_track_lock_refresh(struct ocfs2_lock_res *lockres)
+{
+ lockres->l_lock_refresh++;
+}
+
+static inline void ocfs2_init_start_time(struct ocfs2_mask_waiter *mw)
+{
+ struct timespec ts = current_kernel_time();
+ mw->mw_lock_start = timespec_to_ns(&ts);
+}
+#else
+static inline void ocfs2_init_lock_stats(struct ocfs2_lock_res *res)
+{
+}
+static inline void ocfs2_update_lock_stats(struct ocfs2_lock_res *res,
+ int level, struct ocfs2_mask_waiter *mw, int ret)
+{
+}
+static inline void ocfs2_track_lock_refresh(struct ocfs2_lock_res *lockres)
+{
+}
+static inline void ocfs2_init_start_time(struct ocfs2_mask_waiter *mw)
+{
+}
+#endif
+
static void ocfs2_lock_res_init_common(struct ocfs2_super *osb,
struct ocfs2_lock_res *res,
enum ocfs2_lock_type type,
@@ -385,6 +458,8 @@ static void ocfs2_lock_res_init_common(struct ocfs2_super *osb,
res->l_flags = OCFS2_LOCK_INITIALIZED;
ocfs2_add_lockres_tracking(res, osb->osb_dlm_debug);
+
+ ocfs2_init_lock_stats(res);
}
void ocfs2_lock_res_init_once(struct ocfs2_lock_res *res)
@@ -1048,6 +1123,7 @@ static void ocfs2_init_mask_waiter(struct ocfs2_mask_waiter *mw)
{
INIT_LIST_HEAD(&mw->mw_item);
init_completion(&mw->mw_complete);
+ ocfs2_init_start_time(mw);
}
static int ocfs2_wait_for_mask(struct ocfs2_mask_waiter *mw)
@@ -1254,6 +1330,7 @@ out:
goto again;
mlog_errno(ret);
}
+ ocfs2_update_lock_stats(lockres, level, &mw, ret);
mlog_exit(ret);
return ret;
@@ -1554,8 +1631,8 @@ out:
*/
int ocfs2_file_lock(struct file *file, int ex, int trylock)
{
- int ret, level = ex ? LKM_EXMODE : LKM_PRMODE;
- unsigned int lkm_flags = trylock ? LKM_NOQUEUE : 0;
+ int ret, level = ex ? DLM_LOCK_EX : DLM_LOCK_PR;
+ unsigned int lkm_flags = trylock ? DLM_LKF_NOQUEUE : 0;
unsigned long flags;
struct ocfs2_file_private *fp = file->private_data;
struct ocfs2_lock_res *lockres = &fp->fp_flock;
@@ -1582,7 +1659,7 @@ int ocfs2_file_lock(struct file *file, int ex, int trylock)
* Get the lock at NLMODE to start - that way we
* can cancel the upconvert request if need be.
*/
- ret = ocfs2_lock_create(osb, lockres, LKM_NLMODE, 0);
+ ret = ocfs2_lock_create(osb, lockres, DLM_LOCK_NL, 0);
if (ret < 0) {
mlog_errno(ret);
goto out;
@@ -1597,7 +1674,7 @@ int ocfs2_file_lock(struct file *file, int ex, int trylock)
}
lockres->l_action = OCFS2_AST_CONVERT;
- lkm_flags |= LKM_CONVERT;
+ lkm_flags |= DLM_LKF_CONVERT;
lockres->l_requested = level;
lockres_or_flags(lockres, OCFS2_LOCK_BUSY);
@@ -1664,7 +1741,7 @@ void ocfs2_file_unlock(struct file *file)
if (!(lockres->l_flags & OCFS2_LOCK_ATTACHED))
return;
- if (lockres->l_level == LKM_NLMODE)
+ if (lockres->l_level == DLM_LOCK_NL)
return;
mlog(0, "Unlock: \"%s\" flags: 0x%lx, level: %d, act: %d\n",
@@ -1678,11 +1755,11 @@ void ocfs2_file_unlock(struct file *file)
lockres_or_flags(lockres, OCFS2_LOCK_BLOCKED);
lockres->l_blocking = DLM_LOCK_EX;
- gen = ocfs2_prepare_downconvert(lockres, LKM_NLMODE);
+ gen = ocfs2_prepare_downconvert(lockres, DLM_LOCK_NL);
lockres_add_mask_waiter(lockres, &mw, OCFS2_LOCK_BUSY, 0);
spin_unlock_irqrestore(&lockres->l_lock, flags);
- ret = ocfs2_downconvert_lock(osb, lockres, LKM_NLMODE, 0, gen);
+ ret = ocfs2_downconvert_lock(osb, lockres, DLM_LOCK_NL, 0, gen);
if (ret) {
mlog_errno(ret);
return;
@@ -1983,6 +2060,7 @@ static int ocfs2_inode_lock_update(struct inode *inode,
le32_to_cpu(fe->i_flags));
ocfs2_refresh_inode(inode, fe);
+ ocfs2_track_lock_refresh(lockres);
}
status = 0;
@@ -2267,6 +2345,7 @@ int ocfs2_super_lock(struct ocfs2_super *osb,
if (status < 0)
mlog_errno(status);
+ ocfs2_track_lock_refresh(lockres);
}
bail:
mlog_exit(status);
@@ -2461,7 +2540,7 @@ static void *ocfs2_dlm_seq_next(struct seq_file *m, void *v, loff_t *pos)
}
/* So that debugfs.ocfs2 can determine which format is being used */
-#define OCFS2_DLM_DEBUG_STR_VERSION 1
+#define OCFS2_DLM_DEBUG_STR_VERSION 2
static int ocfs2_dlm_seq_show(struct seq_file *m, void *v)
{
int i;
@@ -2502,6 +2581,47 @@ static int ocfs2_dlm_seq_show(struct seq_file *m, void *v)
for(i = 0; i < DLM_LVB_LEN; i++)
seq_printf(m, "0x%x\t", lvb[i]);
+#ifdef CONFIG_OCFS2_FS_STATS
+# define lock_num_prmode(_l) (_l)->l_lock_num_prmode
+# define lock_num_exmode(_l) (_l)->l_lock_num_exmode
+# define lock_num_prmode_failed(_l) (_l)->l_lock_num_prmode_failed
+# define lock_num_exmode_failed(_l) (_l)->l_lock_num_exmode_failed
+# define lock_total_prmode(_l) (_l)->l_lock_total_prmode
+# define lock_total_exmode(_l) (_l)->l_lock_total_exmode
+# define lock_max_prmode(_l) (_l)->l_lock_max_prmode
+# define lock_max_exmode(_l) (_l)->l_lock_max_exmode
+# define lock_refresh(_l) (_l)->l_lock_refresh
+#else
+# define lock_num_prmode(_l) (0ULL)
+# define lock_num_exmode(_l) (0ULL)
+# define lock_num_prmode_failed(_l) (0)
+# define lock_num_exmode_failed(_l) (0)
+# define lock_total_prmode(_l) (0ULL)
+# define lock_total_exmode(_l) (0ULL)
+# define lock_max_prmode(_l) (0)
+# define lock_max_exmode(_l) (0)
+# define lock_refresh(_l) (0)
+#endif
+ /* The following seq_print was added in version 2 of this output */
+ seq_printf(m, "%llu\t"
+ "%llu\t"
+ "%u\t"
+ "%u\t"
+ "%llu\t"
+ "%llu\t"
+ "%u\t"
+ "%u\t"
+ "%u\t",
+ lock_num_prmode(lockres),
+ lock_num_exmode(lockres),
+ lock_num_prmode_failed(lockres),
+ lock_num_exmode_failed(lockres),
+ lock_total_prmode(lockres),
+ lock_total_exmode(lockres),
+ lock_max_prmode(lockres),
+ lock_max_exmode(lockres),
+ lock_refresh(lockres));
+
/* End the line */
seq_printf(m, "\n");
return 0;
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 57e0d30cde9..e8514e8b6ce 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -2202,7 +2202,7 @@ static ssize_t ocfs2_file_aio_read(struct kiocb *iocb,
ret = generic_file_aio_read(iocb, iov, nr_segs, iocb->ki_pos);
if (ret == -EINVAL)
- mlog(ML_ERROR, "generic_file_aio_read returned -EINVAL\n");
+ mlog(0, "generic_file_aio_read returned -EINVAL\n");
/* buffered aio wouldn't have proper lock coverage today */
BUG_ON(ret == -EIOCBQUEUED && !(filp->f_flags & O_DIRECT));
diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c
index 9698338adc3..a8c19cb3cfd 100644
--- a/fs/ocfs2/journal.c
+++ b/fs/ocfs2/journal.c
@@ -329,7 +329,7 @@ int ocfs2_extend_trans(handle_t *handle, int nblocks)
mlog(0, "Trying to extend transaction by %d blocks\n", nblocks);
-#ifdef OCFS2_DEBUG_FS
+#ifdef CONFIG_OCFS2_DEBUG_FS
status = 1;
#else
status = journal_extend(handle, nblocks);
diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c
index be774bdc8b3..28e492e4ec8 100644
--- a/fs/ocfs2/localalloc.c
+++ b/fs/ocfs2/localalloc.c
@@ -498,7 +498,7 @@ int ocfs2_reserve_local_alloc_bits(struct ocfs2_super *osb,
alloc = (struct ocfs2_dinode *) osb->local_alloc_bh->b_data;
-#ifdef OCFS2_DEBUG_FS
+#ifdef CONFIG_OCFS2_DEBUG_FS
if (le32_to_cpu(alloc->id1.bitmap1.i_used) !=
ocfs2_local_alloc_count_bits(alloc)) {
ocfs2_error(osb->sb, "local alloc inode %llu says it has "
diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h
index 31692379c17..1cb814be8ef 100644
--- a/fs/ocfs2/ocfs2.h
+++ b/fs/ocfs2/ocfs2.h
@@ -132,6 +132,18 @@ struct ocfs2_lock_res {
wait_queue_head_t l_event;
struct list_head l_debug_list;
+
+#ifdef CONFIG_OCFS2_FS_STATS
+ unsigned long long l_lock_num_prmode; /* PR acquires */
+ unsigned long long l_lock_num_exmode; /* EX acquires */
+ unsigned int l_lock_num_prmode_failed; /* Failed PR gets */
+ unsigned int l_lock_num_exmode_failed; /* Failed EX gets */
+ unsigned long long l_lock_total_prmode; /* Tot wait for PR */
+ unsigned long long l_lock_total_exmode; /* Tot wait for EX */
+ unsigned int l_lock_max_prmode; /* Max wait for PR */
+ unsigned int l_lock_max_exmode; /* Max wait for EX */
+ unsigned int l_lock_refresh; /* Disk refreshes */
+#endif
};
struct ocfs2_dlm_debug {
diff --git a/fs/ocfs2/ocfs2_fs.h b/fs/ocfs2/ocfs2_fs.h
index 52c42666515..3f194517762 100644
--- a/fs/ocfs2/ocfs2_fs.h
+++ b/fs/ocfs2/ocfs2_fs.h
@@ -901,7 +901,7 @@ static inline int ocfs2_sprintf_system_inode_name(char *buf, int len,
* list has a copy per slot.
*/
if (type <= OCFS2_LAST_GLOBAL_SYSTEM_INODE)
- chars = snprintf(buf, len,
+ chars = snprintf(buf, len, "%s",
ocfs2_system_inodes[type].si_name);
else
chars = snprintf(buf, len,
diff --git a/fs/ocfs2/stack_user.c b/fs/ocfs2/stack_user.c
index c021280dd46..353fc35c674 100644
--- a/fs/ocfs2/stack_user.c
+++ b/fs/ocfs2/stack_user.c
@@ -21,6 +21,7 @@
#include <linux/fs.h>
#include <linux/miscdevice.h>
#include <linux/mutex.h>
+#include <linux/smp_lock.h>
#include <linux/reboot.h>
#include <asm/uaccess.h>
@@ -549,26 +550,17 @@ static ssize_t ocfs2_control_read(struct file *file,
size_t count,
loff_t *ppos)
{
- char *proto_string = OCFS2_CONTROL_PROTO;
- size_t to_write = 0;
-
- if (*ppos >= OCFS2_CONTROL_PROTO_LEN)
- return 0;
-
- to_write = OCFS2_CONTROL_PROTO_LEN - *ppos;
- if (to_write > count)
- to_write = count;
- if (copy_to_user(buf, proto_string + *ppos, to_write))
- return -EFAULT;
+ ssize_t ret;
- *ppos += to_write;
+ ret = simple_read_from_buffer(buf, count, ppos,
+ OCFS2_CONTROL_PROTO, OCFS2_CONTROL_PROTO_LEN);
/* Have we read the whole protocol list? */
- if (*ppos >= OCFS2_CONTROL_PROTO_LEN)
+ if (ret > 0 && *ppos >= OCFS2_CONTROL_PROTO_LEN)
ocfs2_control_set_handshake_state(file,
OCFS2_CONTROL_HANDSHAKE_READ);
- return to_write;
+ return ret;
}
static int ocfs2_control_release(struct inode *inode, struct file *file)
@@ -619,10 +611,12 @@ static int ocfs2_control_open(struct inode *inode, struct file *file)
return -ENOMEM;
p->op_this_node = -1;
+ lock_kernel();
mutex_lock(&ocfs2_control_lock);
file->private_data = p;
list_add(&p->op_list, &ocfs2_control_private_list);
mutex_unlock(&ocfs2_control_lock);
+ unlock_kernel();
return 0;
}
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index df63ba20ae9..ccecfe5094f 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -1703,7 +1703,11 @@ static int ocfs2_check_volume(struct ocfs2_super *osb)
local = ocfs2_mount_local(osb);
/* will play back anything left in the journal. */
- ocfs2_journal_load(osb->journal, local);
+ status = ocfs2_journal_load(osb->journal, local);
+ if (status < 0) {
+ mlog(ML_ERROR, "ocfs2 journal load failed! %d\n", status);
+ goto finally;
+ }
if (dirty) {
/* recover my local alloc if we didn't unmount cleanly. */
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-26 10:01:02 +0000