summaryrefslogtreecommitdiff
path: root/fs/gfs2/incore.h
diff options
context:
space:
mode:
Diffstat (limited to 'fs/gfs2/incore.h')
-rw-r--r--fs/gfs2/incore.h71
1 files changed, 60 insertions, 11 deletions
diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h
index 608849d00021..399d1b978049 100644
--- a/fs/gfs2/incore.h
+++ b/fs/gfs2/incore.h
@@ -12,6 +12,8 @@
#include <linux/fs.h>
#include <linux/workqueue.h>
+#include <linux/dlm.h>
+#include <linux/buffer_head.h>
#define DIO_WAIT 0x00000010
#define DIO_METADATA 0x00000020
@@ -26,6 +28,7 @@ struct gfs2_trans;
struct gfs2_ail;
struct gfs2_jdesc;
struct gfs2_sbd;
+struct lm_lockops;
typedef void (*gfs2_glop_bh_t) (struct gfs2_glock *gl, unsigned int ret);
@@ -121,6 +124,28 @@ struct gfs2_bufdata {
struct list_head bd_ail_gl_list;
};
+/*
+ * Internally, we prefix things with gdlm_ and GDLM_ (for gfs-dlm) since a
+ * prefix of lock_dlm_ gets awkward.
+ */
+
+#define GDLM_STRNAME_BYTES 25
+#define GDLM_LVB_SIZE 32
+
+enum {
+ DFL_BLOCK_LOCKS = 0,
+};
+
+struct lm_lockname {
+ u64 ln_number;
+ unsigned int ln_type;
+};
+
+#define lm_name_equal(name1, name2) \
+ (((name1)->ln_number == (name2)->ln_number) && \
+ ((name1)->ln_type == (name2)->ln_type))
+
+
struct gfs2_glock_operations {
void (*go_xmote_th) (struct gfs2_glock *gl);
int (*go_xmote_bh) (struct gfs2_glock *gl, struct gfs2_holder *gh);
@@ -162,6 +187,8 @@ enum {
GLF_LFLUSH = 7,
GLF_INVALIDATE_IN_PROGRESS = 8,
GLF_REPLY_PENDING = 9,
+ GLF_INITIAL = 10,
+ GLF_FROZEN = 11,
};
struct gfs2_glock {
@@ -176,16 +203,15 @@ struct gfs2_glock {
unsigned int gl_target;
unsigned int gl_reply;
unsigned int gl_hash;
+ unsigned int gl_req;
unsigned int gl_demote_state; /* state requested by remote node */
unsigned long gl_demote_time; /* time of first demote request */
struct list_head gl_holders;
const struct gfs2_glock_operations *gl_ops;
- void *gl_lock;
- char *gl_lvb;
- atomic_t gl_lvb_count;
-
- unsigned long gl_stamp;
+ char gl_strname[GDLM_STRNAME_BYTES];
+ struct dlm_lksb gl_lksb;
+ char gl_lvb[32];
unsigned long gl_tchange;
void *gl_object;
@@ -283,7 +309,9 @@ enum {
struct gfs2_quota_data {
struct list_head qd_list;
- unsigned int qd_count;
+ struct list_head qd_reclaim;
+
+ atomic_t qd_count;
u32 qd_id;
unsigned long qd_flags; /* QDF_... */
@@ -303,7 +331,6 @@ struct gfs2_quota_data {
u64 qd_sync_gen;
unsigned long qd_last_warn;
- unsigned long qd_last_touched;
};
struct gfs2_trans {
@@ -390,7 +417,7 @@ struct gfs2_args {
unsigned int ar_suiddir:1; /* suiddir support */
unsigned int ar_data:2; /* ordered/writeback */
unsigned int ar_meta:1; /* mount metafs */
- unsigned int ar_num_glockd; /* Number of glockd threads */
+ unsigned int ar_discard:1; /* discard requests */
};
struct gfs2_tune {
@@ -406,7 +433,6 @@ struct gfs2_tune {
unsigned int gt_quota_warn_period; /* Secs between quota warn msgs */
unsigned int gt_quota_scale_num; /* Numerator */
unsigned int gt_quota_scale_den; /* Denominator */
- unsigned int gt_quota_cache_secs;
unsigned int gt_quota_quantum; /* Secs between syncs to quota file */
unsigned int gt_new_files_jdata;
unsigned int gt_max_readahead; /* Max bytes to read-ahead from disk */
@@ -445,6 +471,31 @@ struct gfs2_sb_host {
char sb_lockproto[GFS2_LOCKNAME_LEN];
char sb_locktable[GFS2_LOCKNAME_LEN];
+ u8 sb_uuid[16];
+};
+
+/*
+ * lm_mount() return values
+ *
+ * ls_jid - the journal ID this node should use
+ * ls_first - this node is the first to mount the file system
+ * ls_lockspace - lock module's context for this file system
+ * ls_ops - lock module's functions
+ */
+
+struct lm_lockstruct {
+ u32 ls_id;
+ unsigned int ls_jid;
+ unsigned int ls_first;
+ unsigned int ls_first_done;
+ unsigned int ls_nodir;
+ const struct lm_lockops *ls_ops;
+ unsigned long ls_flags;
+ dlm_lockspace_t *ls_dlm;
+
+ int ls_recover_jid;
+ int ls_recover_jid_done;
+ int ls_recover_jid_status;
};
struct gfs2_sbd {
@@ -520,7 +571,6 @@ struct gfs2_sbd {
spinlock_t sd_jindex_spin;
struct mutex sd_jindex_mutex;
unsigned int sd_journals;
- unsigned long sd_jindex_refresh_time;
struct gfs2_jdesc *sd_jdesc;
struct gfs2_holder sd_journal_gh;
@@ -540,7 +590,6 @@ struct gfs2_sbd {
struct list_head sd_quota_list;
atomic_t sd_quota_count;
- spinlock_t sd_quota_spin;
struct mutex sd_quota_mutex;
wait_queue_head_t sd_quota_wait;
struct list_head sd_trunc_list;