[GFS2] Journal extent mapping

[linux-2.6] / fs / gfs2 / incore.h

diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h
index 55c72f01cf3166b0570d8ccad244aa5a34143e36..51166c12c5d7a85ae554d797543a60fc90c0774e 100644 (file)
--- a/fs/gfs2/incore.h
+++ b/fs/gfs2/incore.h
@@ -1,6 +1,6 @@
 /*
  * Copyright (C) Sistina Software, Inc.  1997-2003 All rights reserved.
- * Copyright (C) 2004-2006 Red Hat, Inc.  All rights reserved.
+ * Copyright (C) 2004-2007 Red Hat, Inc.  All rights reserved.
  *
  * This copyrighted material is made available to anyone wishing to use,
  * modify, copy, or redistribute it subject to the terms and conditions
@@ -141,10 +141,6 @@ struct gfs2_glock_operations {
 };
 
 enum {
-       /* Actions */
-       HIF_MUTEX               = 0,
-       HIF_PROMOTE             = 1,
-
        /* States */
        HIF_HOLDER              = 6,
        HIF_FIRST               = 7,
@@ -172,6 +168,7 @@ enum {
        GLF_PENDING_DEMOTE      = 4,
        GLF_DIRTY               = 5,
        GLF_DEMOTE_IN_PROGRESS  = 6,
+       GLF_LFLUSH              = 7,
 };
 
 struct gfs2_glock {
@@ -212,7 +209,6 @@ struct gfs2_glock {
        struct gfs2_sbd *gl_sbd;
 
        struct inode *gl_aspace;
-       struct gfs2_log_element gl_le;
        struct list_head gl_ail_list;
        atomic_t gl_ail_count;
        struct delayed_work gl_work;
@@ -274,9 +270,6 @@ struct gfs2_inode {
 
        spinlock_t i_spin;
        struct rw_semaphore i_rw_mutex;
-       unsigned long i_last_pfault;
-
-       struct buffer_head *i_cache[GFS2_MAX_META_HEIGHT];
 };
 
 /*
@@ -288,7 +281,7 @@ static inline struct gfs2_inode *GFS2_I(struct inode *inode)
        return container_of(inode, struct gfs2_inode, i_inode);
 }
 
-static inline struct gfs2_sbd *GFS2_SB(struct inode *inode)
+static inline struct gfs2_sbd *GFS2_SB(const struct inode *inode)
 {
        return inode->i_sb->s_fs_info;
 }
@@ -367,8 +360,17 @@ struct gfs2_ail {
        u64 ai_sync_gen;
 };
 
+struct gfs2_journal_extent {
+       struct list_head extent_list;
+
+       unsigned int lblock; /* First logical block */
+       u64 dblock; /* First disk block */
+       u64 blocks;
+};
+
 struct gfs2_jdesc {
        struct list_head jd_list;
+       struct list_head extent_list;
 
        struct inode *jd_inode;
        unsigned int jd_jid;
@@ -415,13 +417,9 @@ struct gfs2_args {
 struct gfs2_tune {
        spinlock_t gt_spin;
 
-       unsigned int gt_ilimit;
-       unsigned int gt_ilimit_tries;
-       unsigned int gt_ilimit_min;
        unsigned int gt_demote_secs; /* Cache retention for unheld glock */
        unsigned int gt_incore_log_blocks;
        unsigned int gt_log_flush_secs;
-       unsigned int gt_jindex_refresh_secs; /* Check for new journal index */
 
        unsigned int gt_recoverd_secs;
        unsigned int gt_logd_secs;
@@ -437,10 +435,8 @@ struct gfs2_tune {
        unsigned int gt_new_files_jdata;
        unsigned int gt_new_files_directio;
        unsigned int gt_max_readahead; /* Max bytes to read-ahead from disk */
-       unsigned int gt_lockdump_size;
        unsigned int gt_stall_secs; /* Detects trouble! */
        unsigned int gt_complain_secs;
-       unsigned int gt_reclaim_limit; /* Max num of glocks in reclaim list */
        unsigned int gt_statfs_quantum;
        unsigned int gt_statfs_slow;
 };
@@ -596,20 +592,18 @@ struct gfs2_sbd {
        unsigned int sd_log_commited_databuf;
        unsigned int sd_log_commited_revoke;
 
-       unsigned int sd_log_num_gl;
        unsigned int sd_log_num_buf;
        unsigned int sd_log_num_revoke;
        unsigned int sd_log_num_rg;
        unsigned int sd_log_num_databuf;
 
-       struct list_head sd_log_le_gl;
        struct list_head sd_log_le_buf;
        struct list_head sd_log_le_revoke;
        struct list_head sd_log_le_rg;
        struct list_head sd_log_le_databuf;
        struct list_head sd_log_le_ordered;
 
-       unsigned int sd_log_blks_free;
+       atomic_t sd_log_blks_free;
        struct mutex sd_log_reserve_mutex;
 
        u64 sd_log_sequence;