diff options
Diffstat (limited to 'fs/gfs2/incore.h')
| -rw-r--r-- | fs/gfs2/incore.h | 115 |
1 files changed, 77 insertions, 38 deletions
diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h index 26aabd7caba..67d310c9ada 100644 --- a/fs/gfs2/incore.h +++ b/fs/gfs2/incore.h @@ -21,6 +21,7 @@ #include <linux/rbtree.h> #include <linux/ktime.h> #include <linux/percpu.h> +#include <linux/lockref.h> #define DIO_WAIT 0x00000010 #define DIO_METADATA 0x00000020 @@ -51,7 +52,7 @@ struct gfs2_log_header_host { */ struct gfs2_log_operations { - void (*lo_before_commit) (struct gfs2_sbd *sdp); + void (*lo_before_commit) (struct gfs2_sbd *sdp, struct gfs2_trans *tr); void (*lo_after_commit) (struct gfs2_sbd *sdp, struct gfs2_trans *tr); void (*lo_before_scan) (struct gfs2_jdesc *jd, struct gfs2_log_header_host *head, int pass); @@ -71,6 +72,7 @@ struct gfs2_bitmap { u32 bi_offset; u32 bi_start; u32 bi_len; + u32 bi_blocks; }; struct gfs2_rgrpd { @@ -91,6 +93,7 @@ struct gfs2_rgrpd { struct gfs2_rgrp_lvb *rd_rgl; u32 rd_last_alloc; u32 rd_flags; + u32 rd_extfail_pt; /* extent failure point */ #define GFS2_RDF_CHECK 0x10000000 /* check for unlinked inodes */ #define GFS2_RDF_UPTODATE 0x20000000 /* rg is up to date */ #define GFS2_RDF_ERROR 0x40000000 /* error in rg */ @@ -101,19 +104,25 @@ struct gfs2_rgrpd { struct gfs2_rbm { struct gfs2_rgrpd *rgd; - struct gfs2_bitmap *bi; /* Bitmap must belong to the rgd */ u32 offset; /* The offset is bitmap relative */ + int bii; /* Bitmap index */ }; +static inline struct gfs2_bitmap *rbm_bi(const struct gfs2_rbm *rbm) +{ + return rbm->rgd->rd_bits + rbm->bii; +} + static inline u64 gfs2_rbm_to_block(const struct gfs2_rbm *rbm) { - return rbm->rgd->rd_data0 + (rbm->bi->bi_start * GFS2_NBBY) + rbm->offset; + return rbm->rgd->rd_data0 + (rbm_bi(rbm)->bi_start * GFS2_NBBY) + + rbm->offset; } static inline bool gfs2_rbm_eq(const struct gfs2_rbm *rbm1, const struct gfs2_rbm *rbm2) { - return (rbm1->rgd == rbm2->rgd) && (rbm1->bi == rbm2->bi) && + return (rbm1->rgd == rbm2->rgd) && (rbm1->bii == rbm2->bii) && (rbm1->offset == rbm2->offset); } @@ -209,7 +218,7 @@ struct gfs2_glock_operations { int (*go_demote_ok) (const struct gfs2_glock *gl); int (*go_lock) (struct gfs2_holder *gh); void (*go_unlock) (struct gfs2_holder *gh); - int (*go_dump)(struct seq_file *seq, const struct gfs2_glock *gl); + void (*go_dump)(struct seq_file *seq, const struct gfs2_glock *gl); void (*go_callback)(struct gfs2_glock *gl, bool remote); const int go_type; const unsigned long go_flags; @@ -278,6 +287,20 @@ struct gfs2_blkreserv { unsigned int rs_qa_qd_num; }; +/* + * Allocation parameters + * @target: The number of blocks we'd ideally like to allocate + * @aflags: The flags (e.g. Orlov flag) + * + * The intent is to gradually expand this structure over time in + * order to give more information, e.g. alignment, min extent size + * to the allocation code. + */ +struct gfs2_alloc_parms { + u32 target; + u32 aflags; +}; + enum { GLF_LOCK = 1, GLF_DEMOTE = 3, @@ -300,9 +323,9 @@ struct gfs2_glock { struct gfs2_sbd *gl_sbd; unsigned long gl_flags; /* GLF_... */ struct lm_lockname gl_name; - atomic_t gl_ref; - spinlock_t gl_spin; + struct lockref gl_lockref; +#define gl_spin gl_lockref.lock /* State fields protected by gl_spin */ unsigned int gl_state:2, /* Current state */ @@ -328,7 +351,15 @@ struct gfs2_glock { atomic_t gl_ail_count; atomic_t gl_revokes; struct delayed_work gl_work; - struct work_struct gl_delete; + union { + /* For inode and iopen glocks only */ + struct work_struct gl_delete; + /* For rgrp glocks only */ + struct { + loff_t start; + loff_t end; + } gl_vm; + }; struct rcu_head gl_rcu; }; @@ -340,6 +371,7 @@ enum { GIF_ALLOC_FAILED = 2, GIF_SW_PAGED = 3, GIF_ORDERED = 4, + GIF_FREE_VFS_INODE = 5, }; struct gfs2_inode { @@ -397,12 +429,14 @@ enum { }; struct gfs2_quota_data { + struct hlist_bl_node qd_hlist; struct list_head qd_list; - struct list_head qd_reclaim; - - atomic_t qd_count; - struct kqid qd_id; + struct gfs2_sbd *qd_sbd; + struct lockref qd_lockref; + struct list_head qd_lru; + unsigned qd_hash; + unsigned long qd_flags; /* QDF_... */ s64 qd_change; @@ -420,6 +454,7 @@ struct gfs2_quota_data { u64 qd_sync_gen; unsigned long qd_last_warn; + struct rcu_head qd_rcu; }; struct gfs2_trans { @@ -428,11 +463,9 @@ struct gfs2_trans { unsigned int tr_blocks; unsigned int tr_revokes; unsigned int tr_reserved; - - struct gfs2_holder tr_t_gh; - - int tr_touched; - int tr_attached; + unsigned int tr_touched:1; + unsigned int tr_attached:1; + unsigned int tr_alloced:1; unsigned int tr_num_buf_new; unsigned int tr_num_databuf_new; @@ -442,6 +475,8 @@ struct gfs2_trans { unsigned int tr_num_revoke_rm; struct list_head tr_list; + struct list_head tr_databuf; + struct list_head tr_buf; unsigned int tr_first; struct list_head tr_ail1_list; @@ -449,7 +484,7 @@ struct gfs2_trans { }; struct gfs2_journal_extent { - struct list_head extent_list; + struct list_head list; unsigned int lblock; /* First logical block */ u64 dblock; /* First disk block */ @@ -459,6 +494,7 @@ struct gfs2_journal_extent { struct gfs2_jdesc { struct list_head jd_list; struct list_head extent_list; + unsigned int nr_extents; struct work_struct jd_work; struct inode *jd_inode; unsigned long jd_flags; @@ -466,6 +502,15 @@ struct gfs2_jdesc { unsigned int jd_jid; unsigned int jd_blocks; int jd_recover_error; + /* Replay stuff */ + + unsigned int jd_found_blocks; + unsigned int jd_found_revokes; + unsigned int jd_replayed_blocks; + + struct list_head jd_revoke_list; + unsigned int jd_replay_tail; + }; struct gfs2_statfs_change_host { @@ -516,7 +561,6 @@ struct gfs2_tune { unsigned int gt_logd_secs; - unsigned int gt_quota_simul_sync; /* Max quotavals to sync at once */ 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 */ @@ -636,7 +680,7 @@ struct gfs2_sbd { struct lm_lockstruct sd_lockstruct; struct gfs2_holder sd_live_gh; struct gfs2_glock *sd_rename_gl; - struct gfs2_glock *sd_trans_gl; + struct gfs2_glock *sd_freeze_gl; wait_queue_head_t sd_glock_wait; atomic_t sd_glock_disposal; struct completion sd_locking_init; @@ -684,6 +728,8 @@ struct gfs2_sbd { struct gfs2_holder sd_sc_gh; struct gfs2_holder sd_qc_gh; + struct completion sd_journal_ready; + /* Daemon stuff */ struct task_struct *sd_logd_process; @@ -694,35 +740,31 @@ struct gfs2_sbd { struct list_head sd_quota_list; atomic_t sd_quota_count; struct mutex sd_quota_mutex; + struct mutex sd_quota_sync_mutex; wait_queue_head_t sd_quota_wait; struct list_head sd_trunc_list; spinlock_t sd_trunc_lock; unsigned int sd_quota_slots; - unsigned int sd_quota_chunks; - unsigned char **sd_quota_bitmap; + unsigned long *sd_quota_bitmap; + spinlock_t sd_bitmap_lock; u64 sd_quota_sync_gen; /* Log stuff */ + struct address_space sd_aspace; + spinlock_t sd_log_lock; struct gfs2_trans *sd_log_tr; unsigned int sd_log_blks_reserved; - unsigned int sd_log_commited_buf; - unsigned int sd_log_commited_databuf; int sd_log_commited_revoke; atomic_t sd_log_pinned; - 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_buf; struct list_head sd_log_le_revoke; - struct list_head sd_log_le_databuf; struct list_head sd_log_le_ordered; spinlock_t sd_ordered_lock; @@ -750,17 +792,14 @@ struct gfs2_sbd { struct list_head sd_ail1_list; struct list_head sd_ail2_list; - /* Replay stuff */ - - struct list_head sd_revoke_list; - unsigned int sd_replay_tail; - - unsigned int sd_found_blocks; - unsigned int sd_found_revokes; - unsigned int sd_replayed_blocks; - /* For quiescing the filesystem */ struct gfs2_holder sd_freeze_gh; + struct gfs2_holder sd_freeze_root_gh; + struct gfs2_holder sd_thaw_gh; + atomic_t sd_log_freeze; + atomic_t sd_frozen_root; + wait_queue_head_t sd_frozen_root_wait; + wait_queue_head_t sd_log_frozen_wait; char sd_fsname[GFS2_FSNAME_LEN]; char sd_table_name[GFS2_FSNAME_LEN]; |