#include <linux/mutex.h>
#include <linux/jbd.h>
-#include "cluster/nodemanager.h"
-#include "cluster/heartbeat.h"
-#include "cluster/tcp.h"
-
-#include "dlm/dlmapi.h"
+/* For union ocfs2_dlm_lksb */
+#include "stackglue.h"
#include "ocfs2_fs.h"
-#include "endian.h"
#include "ocfs2_lockid.h"
/* Most user visible OCFS2 inodes will have very few pieces of
* about to be
* dropped. */
#define OCFS2_LOCK_QUEUED (0x00000100) /* queued for downconvert */
+#define OCFS2_LOCK_NOCACHE (0x00000200) /* don't use a holder count */
+#define OCFS2_LOCK_PENDING (0x00000400) /* This lockres is pending a
+ call to dlm_lock. Only
+ exists with BUSY set. */
struct ocfs2_lock_res_ops;
int l_level;
unsigned int l_ro_holders;
unsigned int l_ex_holders;
- struct dlm_lockstatus l_lksb;
+ union ocfs2_dlm_lksb l_lksb;
/* used from AST/BAST funcs. */
enum ocfs2_ast_action l_action;
enum ocfs2_unlock_action l_unlock_action;
int l_requested;
int l_blocking;
+ unsigned int l_pending_gen;
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 {
OCFS2_MOUNT_NOINTR = 1 << 2, /* Don't catch signals */
OCFS2_MOUNT_ERRORS_PANIC = 1 << 3, /* Panic on errors */
OCFS2_MOUNT_DATA_WRITEBACK = 1 << 4, /* No data ordering */
+ OCFS2_MOUNT_LOCALFLOCKS = 1 << 5, /* No cluster aware user file locks */
};
#define OCFS2_OSB_SOFT_RO 0x0001
#define OCFS2_DEFAULT_ATIME_QUANTUM 60
struct ocfs2_journal;
+struct ocfs2_slot_info;
+struct ocfs2_recovery_map;
struct ocfs2_super
{
struct task_struct *commit_task;
struct ocfs2_slot_info *slot_info;
spinlock_t node_map_lock;
- struct ocfs2_node_map mounted_map;
- struct ocfs2_node_map recovery_map;
- struct ocfs2_node_map umount_map;
u64 root_blkno;
u64 system_dir_blkno;
u32 s_feature_incompat;
u32 s_feature_ro_compat;
- /* Protects s_next_generaion, osb_flags. Could protect more on
- * osb as it's very short lived. */
+ /* Protects s_next_generation, osb_flags and s_inode_steal_slot.
+ * Could protect more on osb as it's very short lived.
+ */
spinlock_t osb_lock;
u32 s_next_generation;
unsigned long osb_flags;
+ s16 s_inode_steal_slot;
+ atomic_t s_num_inodes_stolen;
unsigned long s_mount_opt;
unsigned int s_atime_quantum;
- u16 max_slots;
- s16 node_num;
- s16 slot_num;
- s16 preferred_slot;
+ unsigned int max_slots;
+ unsigned int node_num;
+ int slot_num;
+ int preferred_slot;
int s_sectsize_bits;
int s_clustersize;
int s_clustersize_bits;
atomic_t vol_state;
struct mutex recovery_lock;
+ struct ocfs2_recovery_map *recovery_map;
struct task_struct *recovery_thread_task;
int disable_recovery;
wait_queue_head_t checkpoint_event;
atomic_t needs_checkpoint;
struct ocfs2_journal *journal;
+ unsigned long osb_commit_interval;
+ int local_alloc_size;
enum ocfs2_local_alloc_state local_alloc_state;
struct buffer_head *local_alloc_bh;
u64 la_last_gd;
struct ocfs2_alloc_stats alloc_stats;
char dev_str[20]; /* "major,minor" of the device */
- struct dlm_ctxt *dlm;
+ char osb_cluster_stack[OCFS2_STACK_LABEL_LEN + 1];
+ struct ocfs2_cluster_connection *cconn;
struct ocfs2_lock_res osb_super_lockres;
struct ocfs2_lock_res osb_rename_lockres;
- struct dlm_eviction_cb osb_eviction_cb;
struct ocfs2_dlm_debug *osb_dlm_debug;
struct dentry *osb_debug_root;
wait_queue_head_t recovery_event;
- spinlock_t vote_task_lock;
- struct task_struct *vote_task;
- wait_queue_head_t vote_event;
- unsigned long vote_wake_sequence;
- unsigned long vote_work_sequence;
+ spinlock_t dc_task_lock;
+ struct task_struct *dc_task;
+ wait_queue_head_t dc_event;
+ unsigned long dc_wake_sequence;
+ unsigned long dc_work_sequence;
+ /*
+ * Any thread can add locks to the list, but the downconvert
+ * thread is the only one allowed to remove locks. Any change
+ * to this rule requires updating
+ * ocfs2_downconvert_thread_do_work().
+ */
struct list_head blocked_lock_list;
unsigned long blocked_lock_count;
- struct list_head vote_list;
- int vote_count;
-
- u32 net_key;
- spinlock_t net_response_lock;
- unsigned int net_response_ids;
- struct list_head net_response_list;
-
- struct o2hb_callback_func osb_hb_up;
- struct o2hb_callback_func osb_hb_down;
-
- struct list_head osb_net_handlers;
-
wait_queue_head_t osb_mount_event;
/* Truncate log info */
return 0;
}
+static inline int ocfs2_supports_inline_data(struct ocfs2_super *osb)
+{
+ if (osb->s_feature_incompat & OCFS2_FEATURE_INCOMPAT_INLINE_DATA)
+ return 1;
+ return 0;
+}
+
/* set / clear functions because cluster events can make these happen
* in parallel so we want the transitions to be atomic. this also
* means that any future flags osb_flags must be protected by spinlock
return ret;
}
+static inline int ocfs2_userspace_stack(struct ocfs2_super *osb)
+{
+ return (osb->s_feature_incompat &
+ OCFS2_FEATURE_INCOMPAT_USERSPACE_STACK);
+}
+
static inline int ocfs2_mount_local(struct ocfs2_super *osb)
{
return (osb->s_feature_incompat & OCFS2_FEATURE_INCOMPAT_LOCAL_MOUNT);
}
+static inline int ocfs2_uses_extended_slot_map(struct ocfs2_super *osb)
+{
+ return (osb->s_feature_incompat &
+ OCFS2_FEATURE_INCOMPAT_EXTENDED_SLOT_MAP);
+}
+
+
#define OCFS2_IS_VALID_DINODE(ptr) \
(!strcmp((ptr)->i_signature, OCFS2_INODE_SIGNATURE))
/*
* Find the 1st page index which covers the given clusters.
*/
-static inline unsigned long ocfs2_align_clusters_to_page_index(struct super_block *sb,
+static inline pgoff_t ocfs2_align_clusters_to_page_index(struct super_block *sb,
u32 clusters)
{
unsigned int cbits = OCFS2_SB(sb)->s_clustersize_bits;
- unsigned long index = clusters;
+ pgoff_t index = clusters;
if (PAGE_CACHE_SHIFT > cbits) {
- index = clusters >> (PAGE_CACHE_SHIFT - cbits);
+ index = (pgoff_t)clusters >> (PAGE_CACHE_SHIFT - cbits);
} else if (PAGE_CACHE_SHIFT < cbits) {
- index = clusters << (cbits - PAGE_CACHE_SHIFT);
+ index = (pgoff_t)clusters << (cbits - PAGE_CACHE_SHIFT);
}
return index;
return pages_per_cluster;
}
+static inline void ocfs2_init_inode_steal_slot(struct ocfs2_super *osb)
+{
+ spin_lock(&osb->osb_lock);
+ osb->s_inode_steal_slot = OCFS2_INVALID_SLOT;
+ spin_unlock(&osb->osb_lock);
+ atomic_set(&osb->s_num_inodes_stolen, 0);
+}
+
+static inline void ocfs2_set_inode_steal_slot(struct ocfs2_super *osb,
+ s16 slot)
+{
+ spin_lock(&osb->osb_lock);
+ osb->s_inode_steal_slot = slot;
+ spin_unlock(&osb->osb_lock);
+}
+
+static inline s16 ocfs2_get_inode_steal_slot(struct ocfs2_super *osb)
+{
+ s16 slot;
+
+ spin_lock(&osb->osb_lock);
+ slot = osb->s_inode_steal_slot;
+ spin_unlock(&osb->osb_lock);
+
+ return slot;
+}
+
#define ocfs2_set_bit ext2_set_bit
#define ocfs2_clear_bit ext2_clear_bit
#define ocfs2_test_bit ext2_test_bit
git.openpandora.org / pandora-kernel.git / blobdiff