ocfs2: combine inode and generic blocking AST functions
There is extremely little difference between the two now. We can remove the
callback from ocfs2_lock_res_ops as well.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c
index 2e4d43a..3d5c6a0 100644
--- a/fs/ocfs2/dlmglue.c
+++ b/fs/ocfs2/dlmglue.c
@@ -67,14 +67,6 @@
unsigned long mw_goal;
};
-static void ocfs2_inode_bast_func(void *opaque,
- int level);
-static void ocfs2_dentry_bast_func(void *opaque,
- int level);
-static void ocfs2_super_bast_func(void *opaque,
- int level);
-static void ocfs2_rename_bast_func(void *opaque,
- int level);
static struct ocfs2_super *ocfs2_get_dentry_osb(struct ocfs2_lock_res *lockres);
static struct ocfs2_super *ocfs2_get_inode_osb(struct ocfs2_lock_res *lockres);
@@ -123,7 +115,6 @@
* this callback if ->l_priv is not an ocfs2_super pointer
*/
struct ocfs2_super * (*get_osb)(struct ocfs2_lock_res *);
- void (*bast)(void *, int);
int (*unblock)(struct ocfs2_lock_res *, struct ocfs2_unblock_ctl *);
void (*post_unlock)(struct ocfs2_super *, struct ocfs2_lock_res *);
@@ -152,40 +143,34 @@
static struct ocfs2_lock_res_ops ocfs2_inode_rw_lops = {
.get_osb = ocfs2_get_inode_osb,
- .bast = ocfs2_inode_bast_func,
.unblock = ocfs2_unblock_inode_lock,
.flags = 0,
};
static struct ocfs2_lock_res_ops ocfs2_inode_meta_lops = {
.get_osb = ocfs2_get_inode_osb,
- .bast = ocfs2_inode_bast_func,
.unblock = ocfs2_unblock_meta,
.flags = LOCK_TYPE_REQUIRES_REFRESH,
};
static struct ocfs2_lock_res_ops ocfs2_inode_data_lops = {
.get_osb = ocfs2_get_inode_osb,
- .bast = ocfs2_inode_bast_func,
.unblock = ocfs2_unblock_data,
.flags = 0,
};
static struct ocfs2_lock_res_ops ocfs2_super_lops = {
- .bast = ocfs2_super_bast_func,
.unblock = ocfs2_unblock_osb_lock,
.flags = LOCK_TYPE_REQUIRES_REFRESH,
};
static struct ocfs2_lock_res_ops ocfs2_rename_lops = {
- .bast = ocfs2_rename_bast_func,
.unblock = ocfs2_unblock_osb_lock,
.flags = 0,
};
static struct ocfs2_lock_res_ops ocfs2_dentry_lops = {
.get_osb = ocfs2_get_dentry_osb,
- .bast = ocfs2_dentry_bast_func,
.unblock = ocfs2_unblock_dentry_lock,
.post_unlock = ocfs2_dentry_post_unlock,
.flags = 0,
@@ -198,24 +183,6 @@
lockres->l_type == OCFS2_LOCK_TYPE_RW;
}
-static inline int ocfs2_is_super_lock(struct ocfs2_lock_res *lockres)
-{
- return lockres->l_type == OCFS2_LOCK_TYPE_SUPER;
-}
-
-static inline int ocfs2_is_rename_lock(struct ocfs2_lock_res *lockres)
-{
- return lockres->l_type == OCFS2_LOCK_TYPE_RENAME;
-}
-
-static inline struct ocfs2_super *ocfs2_lock_res_super(struct ocfs2_lock_res *lockres)
-{
- BUG_ON(!ocfs2_is_super_lock(lockres)
- && !ocfs2_is_rename_lock(lockres));
-
- return (struct ocfs2_super *) lockres->l_priv;
-}
-
static inline struct inode *ocfs2_lock_res_inode(struct ocfs2_lock_res *lockres)
{
BUG_ON(!ocfs2_is_inode_lock(lockres));
@@ -663,17 +630,19 @@
return needs_downconvert;
}
-static void ocfs2_generic_bast_func(struct ocfs2_super *osb,
- struct ocfs2_lock_res *lockres,
- int level)
+static void ocfs2_blocking_ast(void *opaque, int level)
{
+ struct ocfs2_lock_res *lockres = opaque;
+ struct ocfs2_super *osb = ocfs2_get_lockres_osb(lockres);
int needs_downconvert;
unsigned long flags;
- mlog_entry_void();
-
BUG_ON(level <= LKM_NLMODE);
+ mlog(0, "BAST fired for lockres %s, blocking %d, level %d type %s\n",
+ lockres->l_name, level, lockres->l_level,
+ ocfs2_lock_type_string(lockres->l_type));
+
spin_lock_irqsave(&lockres->l_lock, flags);
needs_downconvert = ocfs2_generic_handle_bast(lockres, level);
if (needs_downconvert)
@@ -683,30 +652,6 @@
wake_up(&lockres->l_event);
ocfs2_kick_vote_thread(osb);
-
- mlog_exit_void();
-}
-
-static void ocfs2_inode_bast_func(void *opaque, int level)
-{
- struct ocfs2_lock_res *lockres = opaque;
- struct inode *inode;
- struct ocfs2_super *osb;
-
- mlog_entry_void();
-
- BUG_ON(!ocfs2_is_inode_lock(lockres));
-
- inode = ocfs2_lock_res_inode(lockres);
- osb = OCFS2_SB(inode->i_sb);
-
- mlog(0, "BAST fired for inode %llu, blocking %d, level %d type %s\n",
- (unsigned long long)OCFS2_I(inode)->ip_blkno, level,
- lockres->l_level, ocfs2_lock_type_string(lockres->l_type));
-
- ocfs2_generic_bast_func(osb, lockres, level);
-
- mlog_exit_void();
}
static void ocfs2_locking_ast(void *opaque)
@@ -751,52 +696,6 @@
spin_unlock_irqrestore(&lockres->l_lock, flags);
}
-static void ocfs2_super_bast_func(void *opaque,
- int level)
-{
- struct ocfs2_lock_res *lockres = opaque;
- struct ocfs2_super *osb;
-
- mlog_entry_void();
- mlog(0, "Superblock BAST fired\n");
-
- BUG_ON(!ocfs2_is_super_lock(lockres));
- osb = ocfs2_lock_res_super(lockres);
- ocfs2_generic_bast_func(osb, lockres, level);
-
- mlog_exit_void();
-}
-
-static void ocfs2_rename_bast_func(void *opaque,
- int level)
-{
- struct ocfs2_lock_res *lockres = opaque;
- struct ocfs2_super *osb;
-
- mlog_entry_void();
-
- mlog(0, "Rename BAST fired\n");
-
- BUG_ON(!ocfs2_is_rename_lock(lockres));
-
- osb = ocfs2_lock_res_super(lockres);
- ocfs2_generic_bast_func(osb, lockres, level);
-
- mlog_exit_void();
-}
-
-static void ocfs2_dentry_bast_func(void *opaque, int level)
-{
- struct ocfs2_lock_res *lockres = opaque;
- struct ocfs2_dentry_lock *dl = lockres->l_priv;
- struct ocfs2_super *osb = OCFS2_SB(dl->dl_inode->i_sb);
-
- mlog(0, "Dentry bast: level: %d, name: %s\n", level,
- lockres->l_name);
-
- ocfs2_generic_bast_func(osb, lockres, level);
-}
-
static inline void ocfs2_recover_from_dlm_error(struct ocfs2_lock_res *lockres,
int convert)
{
@@ -853,7 +752,7 @@
OCFS2_LOCK_ID_MAX_LEN - 1,
ocfs2_locking_ast,
lockres,
- lockres->l_ops->bast);
+ ocfs2_blocking_ast);
if (status != DLM_NORMAL) {
ocfs2_log_dlm_error("dlmlock", status, lockres);
ret = -EINVAL;
@@ -1043,7 +942,7 @@
OCFS2_LOCK_ID_MAX_LEN - 1,
ocfs2_locking_ast,
lockres,
- lockres->l_ops->bast);
+ ocfs2_blocking_ast);
if (status != DLM_NORMAL) {
if ((lkm_flags & LKM_NOQUEUE) &&
(status == DLM_NOTQUEUED))
@@ -2524,7 +2423,7 @@
OCFS2_LOCK_ID_MAX_LEN - 1,
ocfs2_locking_ast,
lockres,
- lockres->l_ops->bast);
+ ocfs2_blocking_ast);
if (status != DLM_NORMAL) {
ocfs2_log_dlm_error("dlmlock", status, lockres);
ret = -EINVAL;
@@ -3040,7 +2939,7 @@
mlog(0, "Unblock lockres %s\n", lockres->l_name);
- osb = ocfs2_lock_res_super(lockres);
+ osb = ocfs2_get_lockres_osb(lockres);
status = ocfs2_generic_unblock_lock(osb,
lockres,