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-rw-r--r--fs/ocfs2/dlm/dlmapi.h1
-rw-r--r--fs/ocfs2/dlm/dlmast.c16
-rw-r--r--fs/ocfs2/dlm/dlmcommon.h1
-rw-r--r--fs/ocfs2/dlm/dlmlock.c10
-rw-r--r--fs/ocfs2/dlm/dlmmaster.c4
-rw-r--r--fs/ocfs2/dlm/dlmrecovery.c3
-rw-r--r--fs/ocfs2/dlm/userdlm.c81
-rw-r--r--fs/ocfs2/dlm/userdlm.h1
8 files changed, 49 insertions, 68 deletions
diff --git a/fs/ocfs2/dlm/dlmapi.h b/fs/ocfs2/dlm/dlmapi.h
index 53652f51c0e1..cfd5cb65cab0 100644
--- a/fs/ocfs2/dlm/dlmapi.h
+++ b/fs/ocfs2/dlm/dlmapi.h
@@ -182,6 +182,7 @@ enum dlm_status dlmlock(struct dlm_ctxt *dlm,
struct dlm_lockstatus *lksb,
int flags,
const char *name,
+ int namelen,
dlm_astlockfunc_t *ast,
void *data,
dlm_bastlockfunc_t *bast);
diff --git a/fs/ocfs2/dlm/dlmast.c b/fs/ocfs2/dlm/dlmast.c
index 42775e2bbe2c..681046d51393 100644
--- a/fs/ocfs2/dlm/dlmast.c
+++ b/fs/ocfs2/dlm/dlmast.c
@@ -320,8 +320,8 @@ int dlm_proxy_ast_handler(struct o2net_msg *msg, u32 len, void *data)
res = dlm_lookup_lockres(dlm, name, locklen);
if (!res) {
- mlog(ML_ERROR, "got %sast for unknown lockres! "
- "cookie=%u:%llu, name=%.*s, namelen=%u\n",
+ mlog(0, "got %sast for unknown lockres! "
+ "cookie=%u:%llu, name=%.*s, namelen=%u\n",
past->type == DLM_AST ? "" : "b",
dlm_get_lock_cookie_node(cookie),
dlm_get_lock_cookie_seq(cookie),
@@ -367,12 +367,10 @@ int dlm_proxy_ast_handler(struct o2net_msg *msg, u32 len, void *data)
goto do_ast;
}
- mlog(ML_ERROR, "got %sast for unknown lock! cookie=%u:%llu, "
- "name=%.*s, namelen=%u\n",
- past->type == DLM_AST ? "" : "b",
- dlm_get_lock_cookie_node(cookie),
- dlm_get_lock_cookie_seq(cookie),
- locklen, name, locklen);
+ mlog(0, "got %sast for unknown lock! cookie=%u:%llu, "
+ "name=%.*s, namelen=%u\n", past->type == DLM_AST ? "" : "b",
+ dlm_get_lock_cookie_node(cookie), dlm_get_lock_cookie_seq(cookie),
+ locklen, name, locklen);
ret = DLM_NORMAL;
unlock_out:
@@ -464,7 +462,7 @@ int dlm_send_proxy_ast_msg(struct dlm_ctxt *dlm, struct dlm_lock_resource *res,
mlog(ML_ERROR, "sent AST to node %u, it returned "
"DLM_MIGRATING!\n", lock->ml.node);
BUG();
- } else if (status != DLM_NORMAL) {
+ } else if (status != DLM_NORMAL && status != DLM_IVLOCKID) {
mlog(ML_ERROR, "AST to node %u returned %d!\n",
lock->ml.node, status);
/* ignore it */
diff --git a/fs/ocfs2/dlm/dlmcommon.h b/fs/ocfs2/dlm/dlmcommon.h
index 14530ee7e11d..fa968180b072 100644
--- a/fs/ocfs2/dlm/dlmcommon.h
+++ b/fs/ocfs2/dlm/dlmcommon.h
@@ -747,6 +747,7 @@ void dlm_change_lockres_owner(struct dlm_ctxt *dlm,
u8 owner);
struct dlm_lock_resource * dlm_get_lock_resource(struct dlm_ctxt *dlm,
const char *lockid,
+ int namelen,
int flags);
struct dlm_lock_resource *dlm_new_lockres(struct dlm_ctxt *dlm,
const char *name,
diff --git a/fs/ocfs2/dlm/dlmlock.c b/fs/ocfs2/dlm/dlmlock.c
index 5ca57ec650c7..42a1b91979b5 100644
--- a/fs/ocfs2/dlm/dlmlock.c
+++ b/fs/ocfs2/dlm/dlmlock.c
@@ -540,8 +540,8 @@ static inline void dlm_get_next_cookie(u8 node_num, u64 *cookie)
enum dlm_status dlmlock(struct dlm_ctxt *dlm, int mode,
struct dlm_lockstatus *lksb, int flags,
- const char *name, dlm_astlockfunc_t *ast, void *data,
- dlm_bastlockfunc_t *bast)
+ const char *name, int namelen, dlm_astlockfunc_t *ast,
+ void *data, dlm_bastlockfunc_t *bast)
{
enum dlm_status status;
struct dlm_lock_resource *res = NULL;
@@ -571,7 +571,7 @@ enum dlm_status dlmlock(struct dlm_ctxt *dlm, int mode,
recovery = (flags & LKM_RECOVERY);
if (recovery &&
- (!dlm_is_recovery_lock(name, strlen(name)) || convert) ) {
+ (!dlm_is_recovery_lock(name, namelen) || convert) ) {
dlm_error(status);
goto error;
}
@@ -643,7 +643,7 @@ retry_convert:
}
status = DLM_IVBUFLEN;
- if (strlen(name) > DLM_LOCKID_NAME_MAX || strlen(name) < 1) {
+ if (namelen > DLM_LOCKID_NAME_MAX || namelen < 1) {
dlm_error(status);
goto error;
}
@@ -659,7 +659,7 @@ retry_convert:
dlm_wait_for_recovery(dlm);
/* find or create the lock resource */
- res = dlm_get_lock_resource(dlm, name, flags);
+ res = dlm_get_lock_resource(dlm, name, namelen, flags);
if (!res) {
status = DLM_IVLOCKID;
dlm_error(status);
diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c
index 9503240ef0e5..f784177b6241 100644
--- a/fs/ocfs2/dlm/dlmmaster.c
+++ b/fs/ocfs2/dlm/dlmmaster.c
@@ -740,6 +740,7 @@ struct dlm_lock_resource *dlm_new_lockres(struct dlm_ctxt *dlm,
*/
struct dlm_lock_resource * dlm_get_lock_resource(struct dlm_ctxt *dlm,
const char *lockid,
+ int namelen,
int flags)
{
struct dlm_lock_resource *tmpres=NULL, *res=NULL;
@@ -748,13 +749,12 @@ struct dlm_lock_resource * dlm_get_lock_resource(struct dlm_ctxt *dlm,
int blocked = 0;
int ret, nodenum;
struct dlm_node_iter iter;
- unsigned int namelen, hash;
+ unsigned int hash;
int tries = 0;
int bit, wait_on_recovery = 0;
BUG_ON(!lockid);
- namelen = strlen(lockid);
hash = dlm_lockid_hash(lockid, namelen);
mlog(0, "get lockres %s (len %d)\n", lockid, namelen);
diff --git a/fs/ocfs2/dlm/dlmrecovery.c b/fs/ocfs2/dlm/dlmrecovery.c
index 594745fab0b5..9d950d7cea38 100644
--- a/fs/ocfs2/dlm/dlmrecovery.c
+++ b/fs/ocfs2/dlm/dlmrecovery.c
@@ -2285,7 +2285,8 @@ again:
memset(&lksb, 0, sizeof(lksb));
ret = dlmlock(dlm, LKM_EXMODE, &lksb, LKM_NOQUEUE|LKM_RECOVERY,
- DLM_RECOVERY_LOCK_NAME, dlm_reco_ast, dlm, dlm_reco_bast);
+ DLM_RECOVERY_LOCK_NAME, DLM_RECOVERY_LOCK_NAME_LEN,
+ dlm_reco_ast, dlm, dlm_reco_bast);
mlog(0, "%s: dlmlock($RECOVERY) returned %d, lksb=%d\n",
dlm->name, ret, lksb.status);
diff --git a/fs/ocfs2/dlm/userdlm.c b/fs/ocfs2/dlm/userdlm.c
index e641b084b343..eead48bbfac6 100644
--- a/fs/ocfs2/dlm/userdlm.c
+++ b/fs/ocfs2/dlm/userdlm.c
@@ -102,10 +102,10 @@ static inline void user_recover_from_dlm_error(struct user_lock_res *lockres)
spin_unlock(&lockres->l_lock);
}
-#define user_log_dlm_error(_func, _stat, _lockres) do { \
- mlog(ML_ERROR, "Dlm error \"%s\" while calling %s on " \
- "resource %s: %s\n", dlm_errname(_stat), _func, \
- _lockres->l_name, dlm_errmsg(_stat)); \
+#define user_log_dlm_error(_func, _stat, _lockres) do { \
+ mlog(ML_ERROR, "Dlm error \"%s\" while calling %s on " \
+ "resource %.*s: %s\n", dlm_errname(_stat), _func, \
+ _lockres->l_namelen, _lockres->l_name, dlm_errmsg(_stat)); \
} while (0)
/* WARNING: This function lives in a world where the only three lock
@@ -127,21 +127,22 @@ static void user_ast(void *opaque)
struct user_lock_res *lockres = opaque;
struct dlm_lockstatus *lksb;
- mlog(0, "AST fired for lockres %s\n", lockres->l_name);
+ mlog(0, "AST fired for lockres %.*s\n", lockres->l_namelen,
+ lockres->l_name);
spin_lock(&lockres->l_lock);
lksb = &(lockres->l_lksb);
if (lksb->status != DLM_NORMAL) {
- mlog(ML_ERROR, "lksb status value of %u on lockres %s\n",
- lksb->status, lockres->l_name);
+ mlog(ML_ERROR, "lksb status value of %u on lockres %.*s\n",
+ lksb->status, lockres->l_namelen, lockres->l_name);
spin_unlock(&lockres->l_lock);
return;
}
mlog_bug_on_msg(lockres->l_requested == LKM_IVMODE,
- "Lockres %s, requested ivmode. flags 0x%x\n",
- lockres->l_name, lockres->l_flags);
+ "Lockres %.*s, requested ivmode. flags 0x%x\n",
+ lockres->l_namelen, lockres->l_name, lockres->l_flags);
/* we're downconverting. */
if (lockres->l_requested < lockres->l_level) {
@@ -213,8 +214,8 @@ static void user_bast(void *opaque, int level)
{
struct user_lock_res *lockres = opaque;
- mlog(0, "Blocking AST fired for lockres %s. Blocking level %d\n",
- lockres->l_name, level);
+ mlog(0, "Blocking AST fired for lockres %.*s. Blocking level %d\n",
+ lockres->l_namelen, lockres->l_name, level);
spin_lock(&lockres->l_lock);
lockres->l_flags |= USER_LOCK_BLOCKED;
@@ -231,7 +232,8 @@ static void user_unlock_ast(void *opaque, enum dlm_status status)
{
struct user_lock_res *lockres = opaque;
- mlog(0, "UNLOCK AST called on lock %s\n", lockres->l_name);
+ mlog(0, "UNLOCK AST called on lock %.*s\n", lockres->l_namelen,
+ lockres->l_name);
if (status != DLM_NORMAL && status != DLM_CANCELGRANT)
mlog(ML_ERROR, "Dlm returns status %d\n", status);
@@ -244,8 +246,6 @@ static void user_unlock_ast(void *opaque, enum dlm_status status)
&& !(lockres->l_flags & USER_LOCK_IN_CANCEL)) {
lockres->l_level = LKM_IVMODE;
} else if (status == DLM_CANCELGRANT) {
- mlog(0, "Lock %s, cancel fails, flags 0x%x\n",
- lockres->l_name, lockres->l_flags);
/* We tried to cancel a convert request, but it was
* already granted. Don't clear the busy flag - the
* ast should've done this already. */
@@ -255,8 +255,6 @@ static void user_unlock_ast(void *opaque, enum dlm_status status)
} else {
BUG_ON(!(lockres->l_flags & USER_LOCK_IN_CANCEL));
/* Cancel succeeded, we want to re-queue */
- mlog(0, "Lock %s, cancel succeeds, flags 0x%x\n",
- lockres->l_name, lockres->l_flags);
lockres->l_requested = LKM_IVMODE; /* cancel an
* upconvert
* request. */
@@ -287,13 +285,14 @@ static void user_dlm_unblock_lock(void *opaque)
struct user_lock_res *lockres = (struct user_lock_res *) opaque;
struct dlm_ctxt *dlm = dlm_ctxt_from_user_lockres(lockres);
- mlog(0, "processing lockres %s\n", lockres->l_name);
+ mlog(0, "processing lockres %.*s\n", lockres->l_namelen,
+ lockres->l_name);
spin_lock(&lockres->l_lock);
mlog_bug_on_msg(!(lockres->l_flags & USER_LOCK_QUEUED),
- "Lockres %s, flags 0x%x\n",
- lockres->l_name, lockres->l_flags);
+ "Lockres %.*s, flags 0x%x\n",
+ lockres->l_namelen, lockres->l_name, lockres->l_flags);
/* notice that we don't clear USER_LOCK_BLOCKED here. If it's
* set, we want user_ast clear it. */
@@ -305,22 +304,16 @@ static void user_dlm_unblock_lock(void *opaque)
* flag, and finally we might get another bast which re-queues
* us before our ast for the downconvert is called. */
if (!(lockres->l_flags & USER_LOCK_BLOCKED)) {
- mlog(0, "Lockres %s, flags 0x%x: queued but not blocking\n",
- lockres->l_name, lockres->l_flags);
spin_unlock(&lockres->l_lock);
goto drop_ref;
}
if (lockres->l_flags & USER_LOCK_IN_TEARDOWN) {
- mlog(0, "lock is in teardown so we do nothing\n");
spin_unlock(&lockres->l_lock);
goto drop_ref;
}
if (lockres->l_flags & USER_LOCK_BUSY) {
- mlog(0, "Cancel lock %s, flags 0x%x\n",
- lockres->l_name, lockres->l_flags);
-
if (lockres->l_flags & USER_LOCK_IN_CANCEL) {
spin_unlock(&lockres->l_lock);
goto drop_ref;
@@ -372,6 +365,7 @@ static void user_dlm_unblock_lock(void *opaque)
&lockres->l_lksb,
LKM_CONVERT|LKM_VALBLK,
lockres->l_name,
+ lockres->l_namelen,
user_ast,
lockres,
user_bast);
@@ -420,16 +414,16 @@ int user_dlm_cluster_lock(struct user_lock_res *lockres,
if (level != LKM_EXMODE &&
level != LKM_PRMODE) {
- mlog(ML_ERROR, "lockres %s: invalid request!\n",
- lockres->l_name);
+ mlog(ML_ERROR, "lockres %.*s: invalid request!\n",
+ lockres->l_namelen, lockres->l_name);
status = -EINVAL;
goto bail;
}
- mlog(0, "lockres %s: asking for %s lock, passed flags = 0x%x\n",
- lockres->l_name,
- (level == LKM_EXMODE) ? "LKM_EXMODE" : "LKM_PRMODE",
- lkm_flags);
+ mlog(0, "lockres %.*s: asking for %s lock, passed flags = 0x%x\n",
+ lockres->l_namelen, lockres->l_name,
+ (level == LKM_EXMODE) ? "LKM_EXMODE" : "LKM_PRMODE",
+ lkm_flags);
again:
if (signal_pending(current)) {
@@ -474,15 +468,13 @@ again:
BUG_ON(level == LKM_IVMODE);
BUG_ON(level == LKM_NLMODE);
- mlog(0, "lock %s, get lock from %d to level = %d\n",
- lockres->l_name, lockres->l_level, level);
-
/* call dlm_lock to upgrade lock now */
status = dlmlock(dlm,
level,
&lockres->l_lksb,
local_flags,
lockres->l_name,
+ lockres->l_namelen,
user_ast,
lockres,
user_bast);
@@ -498,9 +490,6 @@ again:
goto bail;
}
- mlog(0, "lock %s, successfull return from dlmlock\n",
- lockres->l_name);
-
user_wait_on_busy_lock(lockres);
goto again;
}
@@ -508,9 +497,6 @@ again:
user_dlm_inc_holders(lockres, level);
spin_unlock(&lockres->l_lock);
- mlog(0, "lockres %s: Got %s lock!\n", lockres->l_name,
- (level == LKM_EXMODE) ? "LKM_EXMODE" : "LKM_PRMODE");
-
status = 0;
bail:
return status;
@@ -538,13 +524,11 @@ void user_dlm_cluster_unlock(struct user_lock_res *lockres,
{
if (level != LKM_EXMODE &&
level != LKM_PRMODE) {
- mlog(ML_ERROR, "lockres %s: invalid request!\n", lockres->l_name);
+ mlog(ML_ERROR, "lockres %.*s: invalid request!\n",
+ lockres->l_namelen, lockres->l_name);
return;
}
- mlog(0, "lockres %s: dropping %s lock\n", lockres->l_name,
- (level == LKM_EXMODE) ? "LKM_EXMODE" : "LKM_PRMODE");
-
spin_lock(&lockres->l_lock);
user_dlm_dec_holders(lockres, level);
__user_dlm_cond_queue_lockres(lockres);
@@ -602,6 +586,7 @@ void user_dlm_lock_res_init(struct user_lock_res *lockres,
memcpy(lockres->l_name,
dentry->d_name.name,
dentry->d_name.len);
+ lockres->l_namelen = dentry->d_name.len;
}
int user_dlm_destroy_lock(struct user_lock_res *lockres)
@@ -609,11 +594,10 @@ int user_dlm_destroy_lock(struct user_lock_res *lockres)
int status = -EBUSY;
struct dlm_ctxt *dlm = dlm_ctxt_from_user_lockres(lockres);
- mlog(0, "asked to destroy %s\n", lockres->l_name);
+ mlog(0, "asked to destroy %.*s\n", lockres->l_namelen, lockres->l_name);
spin_lock(&lockres->l_lock);
if (lockres->l_flags & USER_LOCK_IN_TEARDOWN) {
- mlog(0, "Lock is already torn down\n");
spin_unlock(&lockres->l_lock);
return 0;
}
@@ -623,8 +607,6 @@ int user_dlm_destroy_lock(struct user_lock_res *lockres)
while (lockres->l_flags & USER_LOCK_BUSY) {
spin_unlock(&lockres->l_lock);
- mlog(0, "lock %s is busy\n", lockres->l_name);
-
user_wait_on_busy_lock(lockres);
spin_lock(&lockres->l_lock);
@@ -632,14 +614,12 @@ int user_dlm_destroy_lock(struct user_lock_res *lockres)
if (lockres->l_ro_holders || lockres->l_ex_holders) {
spin_unlock(&lockres->l_lock);
- mlog(0, "lock %s has holders\n", lockres->l_name);
goto bail;
}
status = 0;
if (!(lockres->l_flags & USER_LOCK_ATTACHED)) {
spin_unlock(&lockres->l_lock);
- mlog(0, "lock %s is not attached\n", lockres->l_name);
goto bail;
}
@@ -647,7 +627,6 @@ int user_dlm_destroy_lock(struct user_lock_res *lockres)
lockres->l_flags |= USER_LOCK_BUSY;
spin_unlock(&lockres->l_lock);
- mlog(0, "unlocking lockres %s\n", lockres->l_name);
status = dlmunlock(dlm,
&lockres->l_lksb,
LKM_VALBLK,
diff --git a/fs/ocfs2/dlm/userdlm.h b/fs/ocfs2/dlm/userdlm.h
index 04178bc40b76..c400e93bbf79 100644
--- a/fs/ocfs2/dlm/userdlm.h
+++ b/fs/ocfs2/dlm/userdlm.h
@@ -53,6 +53,7 @@ struct user_lock_res {
#define USER_DLM_LOCK_ID_MAX_LEN 32
char l_name[USER_DLM_LOCK_ID_MAX_LEN];
+ int l_namelen;
int l_level;
unsigned int l_ro_holders;
unsigned int l_ex_holders;
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-18 18:10:18 +0000