/*
* 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
#define __INCORE_DOT_H__
#include <linux/fs.h>
+#include <linux/workqueue.h>
#define DIO_WAIT 0x00000010
#define DIO_METADATA 0x00000020
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,
};
struct gfs2_rgrp_host {
- u32 rg_flags;
u32 rg_free;
u32 rg_dinodes;
u64 rg_igeneration;
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 {
struct buffer_head *bd_bh;
struct gfs2_glock *bd_gl;
- struct list_head bd_list_tr;
+ union {
+ struct list_head list_tr;
+ u64 blkno;
+ } u;
+#define bd_list_tr u.list_tr
+#define bd_blkno u.blkno
+
struct gfs2_log_element bd_le;
struct gfs2_ail *bd_ail;
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);
void (*go_unlock) (struct gfs2_holder *gh);
const int go_type;
+ const unsigned long go_min_hold_time;
};
enum {
- /* Actions */
- HIF_MUTEX = 0,
- HIF_PROMOTE = 1,
-
/* States */
HIF_HOLDER = 6,
HIF_FIRST = 7,
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;
GLF_LOCK = 1,
GLF_STICKY = 2,
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 {
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 */
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;
struct list_head gl_reclaim;
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 */
enum {
GIF_INVALID = 0,
GIF_QD_LOCKED = 1,
- GIF_PAGED = 2,
GIF_SW_PAGED = 3,
+ GIF_USER = 4, /* user inode, not metadata addr space */
};
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 */
};
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;
};
/*
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;
};
-struct gfs2_revoke {
- struct gfs2_log_element rv_le;
- u64 rv_blkno;
-};
-
struct gfs2_revoke_replay {
struct list_head rr_list;
u64 rr_blkno;
unsigned long qd_last_touched;
};
-struct gfs2_log_buf {
- struct list_head lb_list;
- struct buffer_head *lb_bh;
- struct buffer_head *lb_real;
-};
-
struct gfs2_trans {
unsigned long tr_ip;
unsigned int tr_num_buf;
unsigned int tr_num_buf_new;
+ unsigned int tr_num_databuf_new;
unsigned int tr_num_buf_rm;
+ unsigned int tr_num_databuf_rm;
struct list_head tr_list_buf;
unsigned int tr_num_revoke;
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;
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_scand_secs;
unsigned int gt_recoverd_secs;
unsigned int gt_logd_secs;
unsigned int gt_quotad_secs;
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;
};
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 */
/* 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;
/* Daemon stuff */
- struct task_struct *sd_scand_process;
struct task_struct *sd_recoverd_process;
struct task_struct *sd_logd_process;
struct task_struct *sd_quotad_process;
unsigned int sd_log_blks_reserved;
unsigned int sd_log_commited_buf;
+ 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;
- unsigned int sd_log_num_jdata;
- unsigned int sd_log_num_hdrs;
- 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;
unsigned long sd_log_flush_time;
struct rw_semaphore sd_log_flush_lock;
- struct list_head sd_log_flush_list;
+ atomic_t sd_log_in_flight;
+ wait_queue_head_t sd_log_flush_wait;
unsigned int sd_log_flush_head;
u64 sd_log_flush_wrapped;
/* 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];
projects / linux-2.6 / blobdiff