X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=fs%2Fgfs2%2Fincore.h;h=9c2c0b90b22a2e1c041d745a7386752a0399529b;hb=233607dbbc823caf685e778cabc49fb7f679900b;hp=eaddfb5a8e6fe103c792a1f8c0c0dee411a4421b;hpb=f563d53c30f3e60cde3a194cc1a87284ee0b3366;p=linux-2.6

diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h
index eaddfb5a8e..9c2c0b90b2 100644
--- 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) 2004-2008 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
@@ -44,7 +44,6 @@ struct gfs2_log_header_host {
 
 struct gfs2_log_operations {
 	void (*lo_add) (struct gfs2_sbd *sdp, struct gfs2_log_element *le);
-	void (*lo_incore_commit) (struct gfs2_sbd *sdp, struct gfs2_trans *tr);
 	void (*lo_before_commit) (struct gfs2_sbd *sdp);
 	void (*lo_after_commit) (struct gfs2_sbd *sdp, struct gfs2_ail *ai);
 	void (*lo_before_scan) (struct gfs2_jdesc *jd,
@@ -70,7 +69,6 @@ struct gfs2_bitmap {
 };
 
 struct gfs2_rgrp_host {
-	u32 rg_flags;
 	u32 rg_free;
 	u32 rg_dinodes;
 	u64 rg_igeneration;
@@ -87,17 +85,17 @@ struct gfs2_rgrpd {
 	u32 rd_data;			/* num of data blocks in rgrp */
 	u32 rd_bitbytes;		/* number of bytes in data bitmaps */
 	struct gfs2_rgrp_host rd_rg;
-	u64 rd_rg_vn;
 	struct gfs2_bitmap *rd_bits;
 	unsigned int rd_bh_count;
 	struct mutex rd_mutex;
 	u32 rd_free_clone;
 	struct gfs2_log_element rd_le;
-	u32 rd_last_alloc_data;
-	u32 rd_last_alloc_meta;
+	u32 rd_last_alloc;
 	struct gfs2_sbd *rd_sbd;
-	unsigned long rd_flags;
-#define GFS2_RDF_CHECK        0x0001          /* Need to check for unlinked inodes */
+	unsigned char rd_flags;
+#define GFS2_RDF_CHECK        0x01      /* Need to check for unlinked inodes */
+#define GFS2_RDF_NOALLOC      0x02      /* rg prohibits allocation */
+#define GFS2_RDF_UPTODATE     0x04      /* rg is up to date */
 };
 
 enum gfs2_state_bits {
@@ -131,7 +129,6 @@ struct gfs2_bufdata {
 struct gfs2_glock_operations {
 	void (*go_xmote_th) (struct gfs2_glock *gl);
 	void (*go_xmote_bh) (struct gfs2_glock *gl);
-	void (*go_drop_th) (struct gfs2_glock *gl);
 	void (*go_inval) (struct gfs2_glock *gl, int flags);
 	int (*go_demote_ok) (struct gfs2_glock *gl);
 	int (*go_lock) (struct gfs2_holder *gh);
@@ -141,10 +138,6 @@ struct gfs2_glock_operations {
 };
 
 enum {
-	/* Actions */
-	HIF_MUTEX		= 0,
-	HIF_PROMOTE		= 1,
-
 	/* States */
 	HIF_HOLDER		= 6,
 	HIF_FIRST		= 7,
@@ -156,7 +149,7 @@ struct gfs2_holder {
 	struct list_head gh_list;
 
 	struct gfs2_glock *gh_gl;
-	pid_t gh_owner_pid;
+	struct pid *gh_owner_pid;
 	unsigned int gh_state;
 	unsigned gh_flags;
 
@@ -171,6 +164,10 @@ enum {
 	GLF_DEMOTE		= 3,
 	GLF_PENDING_DEMOTE	= 4,
 	GLF_DIRTY		= 5,
+	GLF_DEMOTE_IN_PROGRESS	= 6,
+	GLF_LFLUSH		= 7,
+	GLF_WAITERS2		= 8,
+	GLF_CONV_DEADLK		= 9,
 };
 
 struct gfs2_glock {
@@ -185,7 +182,7 @@ struct gfs2_glock {
 	unsigned int gl_hash;
 	unsigned int gl_demote_state; /* state requested by remote node */
 	unsigned long gl_demote_time; /* time of first demote request */
-	pid_t gl_owner_pid;
+	struct pid *gl_owner_pid;
 	unsigned long gl_ip;
 	struct list_head gl_holders;
 	struct list_head gl_waiters1;	/* HIF_MUTEX */
@@ -194,13 +191,11 @@ struct gfs2_glock {
 	const struct gfs2_glock_operations *gl_ops;
 
 	struct gfs2_holder *gl_req_gh;
-	gfs2_glop_bh_t gl_req_bh;
 
 	void *gl_lock;
 	char *gl_lvb;
 	atomic_t gl_lvb_count;
 
-	u64 gl_vn;
 	unsigned long gl_stamp;
 	unsigned long gl_tchange;
 	void *gl_object;
@@ -210,12 +205,13 @@ 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;
 };
 
+#define GFS2_MIN_LVB_SIZE 32	/* Min size of LVB that gfs2 supports */
+
 struct gfs2_alloc {
 	/* Quota stuff */
 
@@ -239,20 +235,14 @@ struct gfs2_alloc {
 enum {
 	GIF_INVALID		= 0,
 	GIF_QD_LOCKED		= 1,
-	GIF_PAGED		= 2,
 	GIF_SW_PAGED		= 3,
 };
 
 struct gfs2_dinode_host {
 	u64 di_size;		/* number of bytes in file */
-	u64 di_blocks;		/* number of blocks in file */
-	u64 di_goal_meta;	/* rgrp to alloc from next */
-	u64 di_goal_data;	/* data block goal */
 	u64 di_generation;	/* generation number for NFS */
 	u32 di_flags;		/* GFS2_DIF_... */
-	u16 di_height;		/* height of metadata */
 	/* These only apply to directories  */
-	u16 di_depth;		/* Number of bits in the table */
 	u32 di_entries;		/* The number of entries in the directory */
 	u64 di_eattr;		/* extended attribute block number */
 };
@@ -268,14 +258,11 @@ struct gfs2_inode {
 	struct gfs2_glock *i_gl; /* Move into i_gh? */
 	struct gfs2_holder i_iopen_gh;
 	struct gfs2_holder i_gh; /* for prepare/commit_write only */
-	struct gfs2_alloc i_alloc;
-	u64 i_last_rg_alloc;
-
-	spinlock_t i_spin;
+	struct gfs2_alloc *i_alloc;
+	u64 i_goal;	/* goal block for allocations */
 	struct rw_semaphore i_rw_mutex;
-	unsigned long i_last_pfault;
-
-	struct buffer_head *i_cache[GFS2_MAX_META_HEIGHT];
+	u8 i_height;
+	u8 i_depth;
 };
 
 /*
@@ -287,19 +274,12 @@ static inline struct gfs2_inode *GFS2_I(struct inode *inode)
 	return container_of(inode, struct gfs2_inode, i_inode);
 }
 
-/* To be removed? */
-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;
 }
 
-enum {
-	GFF_DID_DIRECT_ALLOC	= 0,
-	GFF_EXLOCK = 1,
-};
-
 struct gfs2_file {
-	unsigned long f_flags;		/* GFF_... */
 	struct mutex f_fl_mutex;
 	struct gfs2_holder f_fl_gh;
 };
@@ -373,8 +353,17 @@ 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;
@@ -421,13 +410,9 @@ 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;
@@ -443,10 +428,8 @@ 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;
 };
@@ -502,9 +485,9 @@ struct gfs2_sbd {
 	u32 sd_qc_per_block;
 	u32 sd_max_dirres;	/* Max blocks needed to add a directory entry */
 	u32 sd_max_height;	/* Max height of a file's metadata tree */
-	u64 sd_heightsize[GFS2_MAX_META_HEIGHT];
+	u64 sd_heightsize[GFS2_MAX_META_HEIGHT + 1];
 	u32 sd_max_jheight; /* Max height of journaled file's meta tree */
-	u64 sd_jheightsize[GFS2_MAX_META_HEIGHT];
+	u64 sd_jheightsize[GFS2_MAX_META_HEIGHT + 1];
 
 	struct gfs2_args sd_args;	/* Mount arguments */
 	struct gfs2_tune sd_tune;	/* Filesystem tuning structure */
@@ -539,14 +522,13 @@ struct gfs2_sbd {
 	/* StatFS stuff */
 
 	spinlock_t sd_statfs_spin;
-	struct mutex sd_statfs_mutex;
 	struct gfs2_statfs_change_host sd_statfs_master;
 	struct gfs2_statfs_change_host sd_statfs_local;
 	unsigned long sd_statfs_sync_time;
 
 	/* Resource group stuff */
 
-	u64 sd_rindex_vn;
+	int sd_rindex_uptodate;
 	spinlock_t sd_rindex_spin;
 	struct mutex sd_rindex_mutex;
 	struct list_head sd_rindex_list;
@@ -602,20 +584,18 @@ 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;
@@ -652,9 +632,6 @@ struct gfs2_sbd {
 
 	/* Counters */
 
-	atomic_t sd_glock_count;
-	atomic_t sd_glock_held_count;
-	atomic_t sd_inode_count;
 	atomic_t sd_reclaimed;
 
 	char sd_fsname[GFS2_FSNAME_LEN];