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-rw-r--r--fs/gfs2/incore.h358
1 files changed, 218 insertions, 140 deletions
diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h
index 26aabd7caba7..d05d8fe4e456 100644
--- a/fs/gfs2/incore.h
+++ b/fs/gfs2/incore.h
@@ -1,10 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) Sistina Software, Inc. 1997-2003 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
- * of the GNU General Public License version 2.
*/
#ifndef __INCORE_DOT_H__
@@ -21,6 +18,9 @@
#include <linux/rbtree.h>
#include <linux/ktime.h>
#include <linux/percpu.h>
+#include <linux/lockref.h>
+#include <linux/rhashtable.h>
+#include <linux/mutex.h>
#define DIO_WAIT 0x00000010
#define DIO_METADATA 0x00000020
@@ -42,7 +42,10 @@ struct gfs2_log_header_host {
u32 lh_flags; /* GFS2_LOG_HEAD_... */
u32 lh_tail; /* Block number of log tail */
u32 lh_blkno;
- u32 lh_hash;
+
+ s64 lh_local_total;
+ s64 lh_local_free;
+ s64 lh_local_dinodes;
};
/*
@@ -51,7 +54,7 @@ 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);
@@ -64,13 +67,35 @@ struct gfs2_log_operations {
#define GBF_FULL 1
+/**
+ * Clone bitmaps (bi_clone):
+ *
+ * - When a block is freed, we remember the previous state of the block in the
+ * clone bitmap, and only mark the block as free in the real bitmap.
+ *
+ * - When looking for a block to allocate, we check for a free block in the
+ * clone bitmap, and if no clone bitmap exists, in the real bitmap.
+ *
+ * - For allocating a block, we mark it as allocated in the real bitmap, and if
+ * a clone bitmap exists, also in the clone bitmap.
+ *
+ * - At the end of a log_flush, we copy the real bitmap into the clone bitmap
+ * to make the clone bitmap reflect the current allocation state.
+ * (Alternatively, we could remove the clone bitmap.)
+ *
+ * The clone bitmaps are in-core only, and is never written to disk.
+ *
+ * These steps ensure that blocks which have been freed in a transaction cannot
+ * be reallocated in that same transaction.
+ */
struct gfs2_bitmap {
struct buffer_head *bi_bh;
char *bi_clone;
unsigned long bi_flags;
u32 bi_offset;
u32 bi_start;
- u32 bi_len;
+ u32 bi_bytes;
+ u32 bi_blocks;
};
struct gfs2_rgrpd {
@@ -82,7 +107,8 @@ struct gfs2_rgrpd {
u32 rd_data; /* num of data blocks in rgrp */
u32 rd_bitbytes; /* number of bytes in data bitmaps */
u32 rd_free;
- u32 rd_reserved; /* number of blocks reserved */
+ u32 rd_requested; /* number of blocks in rd_rstree */
+ u32 rd_reserved; /* number of reserved blocks */
u32 rd_free_clone;
u32 rd_dinodes;
u64 rd_igeneration;
@@ -91,44 +117,25 @@ 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 */
+#define GFS2_RDF_PREFERRED 0x80000000 /* This rgrp is preferred */
#define GFS2_RDF_MASK 0xf0000000 /* mask for internal flags */
spinlock_t rd_rsspin; /* protects reservation related vars */
+ struct mutex rd_mutex;
struct rb_root rd_rstree; /* multi-block reservation tree */
};
-struct gfs2_rbm {
- struct gfs2_rgrpd *rgd;
- struct gfs2_bitmap *bi; /* Bitmap must belong to the rgd */
- u32 offset; /* The offset is bitmap relative */
-};
-
-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;
-}
-
-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) &&
- (rbm1->offset == rbm2->offset);
-}
-
enum gfs2_state_bits {
BH_Pinned = BH_PrivateStart,
BH_Escaped = BH_PrivateStart + 1,
- BH_Zeronew = BH_PrivateStart + 2,
};
BUFFER_FNS(Pinned, pinned)
TAS_BUFFER_FNS(Pinned, pinned)
BUFFER_FNS(Escaped, escaped)
TAS_BUFFER_FNS(Escaped, escaped)
-BUFFER_FNS(Zeronew, zeronew)
-TAS_BUFFER_FNS(Zeronew, zeronew)
struct gfs2_bufdata {
struct buffer_head *bd_bh;
@@ -136,7 +143,6 @@ struct gfs2_bufdata {
u64 bd_blkno;
struct list_head bd_list;
- const struct gfs2_log_operations *bd_ops;
struct gfs2_trans *bd_tr;
struct list_head bd_ail_st_list;
@@ -192,29 +198,36 @@ enum {
DFL_DLM_RECOVERY = 6,
};
+/*
+ * We are using struct lm_lockname as an rhashtable key. Avoid holes within
+ * the struct; padding at the end is fine.
+ */
struct lm_lockname {
u64 ln_number;
+ struct gfs2_sbd *ln_sbd;
unsigned int ln_type;
};
#define lm_name_equal(name1, name2) \
- (((name1)->ln_number == (name2)->ln_number) && \
- ((name1)->ln_type == (name2)->ln_type))
+ (((name1)->ln_number == (name2)->ln_number) && \
+ ((name1)->ln_type == (name2)->ln_type) && \
+ ((name1)->ln_sbd == (name2)->ln_sbd))
struct gfs2_glock_operations {
- void (*go_sync) (struct gfs2_glock *gl);
- int (*go_xmote_bh) (struct gfs2_glock *gl, struct gfs2_holder *gh);
+ int (*go_sync) (struct gfs2_glock *gl);
+ int (*go_xmote_bh)(struct gfs2_glock *gl);
void (*go_inval) (struct gfs2_glock *gl, int flags);
- 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);
+ int (*go_instantiate) (struct gfs2_glock *gl);
+ int (*go_held)(struct gfs2_holder *gh);
+ void (*go_dump)(struct seq_file *seq, const struct gfs2_glock *gl,
+ const char *fs_id_buf);
void (*go_callback)(struct gfs2_glock *gl, bool remote);
+ const int go_subclass;
const int go_type;
const unsigned long go_flags;
-#define GLOF_ASPACE 1
-#define GLOF_LVB 2
+#define GLOF_ASPACE 1 /* address space attached */
+#define GLOF_LVB 2 /* Lock Value Block attached */
};
enum {
@@ -230,13 +243,12 @@ enum {
};
struct gfs2_lkstats {
- s64 stats[GFS2_NR_LKSTATS];
+ u64 stats[GFS2_NR_LKSTATS];
};
enum {
/* States */
HIF_HOLDER = 6, /* Set for gh that "holds" the glock */
- HIF_FIRST = 7,
HIF_WAIT = 10,
};
@@ -245,14 +257,25 @@ struct gfs2_holder {
struct gfs2_glock *gh_gl;
struct pid *gh_owner_pid;
- unsigned int gh_state;
- unsigned gh_flags;
+ u16 gh_flags;
+ u16 gh_state;
int gh_error;
unsigned long gh_iflags; /* HIF_... */
unsigned long gh_ip;
};
+/* Number of quota types we support */
+#define GFS2_MAXQUOTAS 2
+
+struct gfs2_qadata { /* quota allocation data */
+ /* Quota stuff */
+ struct gfs2_quota_data *qa_qd[2 * GFS2_MAXQUOTAS];
+ struct gfs2_holder qa_qd_ghs[2 * GFS2_MAXQUOTAS];
+ unsigned int qa_qd_num;
+ int qa_ref;
+};
+
/* Resource group multi-block reservation, in order of appearance:
Step 1. Function prepares to write, allocates a mb, sets the size hint.
@@ -263,55 +286,64 @@ struct gfs2_holder {
*/
struct gfs2_blkreserv {
- /* components used during write (step 1): */
- atomic_t rs_sizehint; /* hint of the write size */
-
- struct gfs2_holder rs_rgd_gh; /* Filled in by get_local_rgrp */
- struct rb_node rs_node; /* link to other block reservations */
- struct gfs2_rbm rs_rbm; /* Start of reservation */
- u32 rs_free; /* how many blocks are still free */
- u64 rs_inum; /* Inode number for reservation */
+ struct rb_node rs_node; /* node within rd_rstree */
+ struct gfs2_rgrpd *rs_rgd;
+ u64 rs_start;
+ u32 rs_requested;
+ u32 rs_reserved; /* number of reserved blocks */
+};
- /* ancillary quota stuff */
- struct gfs2_quota_data *rs_qa_qd[2 * MAXQUOTAS];
- struct gfs2_holder rs_qa_qd_ghs[2 * MAXQUOTAS];
- 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 {
+ u64 target;
+ u32 min_target;
+ u32 aflags;
+ u64 allowed;
};
enum {
GLF_LOCK = 1,
+ GLF_INSTANTIATE_NEEDED = 2, /* needs instantiate */
GLF_DEMOTE = 3,
GLF_PENDING_DEMOTE = 4,
GLF_DEMOTE_IN_PROGRESS = 5,
GLF_DIRTY = 6,
GLF_LFLUSH = 7,
- GLF_INVALIDATE_IN_PROGRESS = 8,
- GLF_REPLY_PENDING = 9,
+ GLF_HAVE_REPLY = 9,
GLF_INITIAL = 10,
- GLF_FROZEN = 11,
- GLF_QUEUED = 12,
+ GLF_HAVE_FROZEN_REPLY = 11,
+ GLF_INSTANTIATE_IN_PROG = 12, /* instantiate happening now */
GLF_LRU = 13,
GLF_OBJECT = 14, /* Used only for tracing */
GLF_BLOCKING = 15,
+ GLF_TRY_TO_EVICT = 17, /* iopen glocks only */
+ GLF_VERIFY_DELETE = 18, /* iopen glocks only */
+ GLF_PENDING_REPLY = 19,
+ GLF_DEFER_DELETE = 20, /* iopen glocks only */
+ GLF_CANCELING = 21,
};
struct gfs2_glock {
- struct hlist_bl_node gl_list;
- 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;
- /* State fields protected by gl_spin */
+ /* State fields protected by gl_lockref.lock */
unsigned int gl_state:2, /* Current state */
gl_target:2, /* Target state */
gl_demote_state:2, /* State requested by remote node */
gl_req:2, /* State in last dlm request */
gl_reply:8; /* Last reply from the dlm */
- unsigned int gl_hash;
unsigned long gl_demote_time; /* time of first demote request */
long gl_hold_time;
struct list_head gl_holders;
@@ -328,18 +360,19 @@ struct gfs2_glock {
atomic_t gl_ail_count;
atomic_t gl_revokes;
struct delayed_work gl_work;
- struct work_struct gl_delete;
+ /* For iopen glocks only */
+ struct {
+ struct delayed_work gl_delete;
+ u64 gl_no_formal_ino;
+ };
struct rcu_head gl_rcu;
+ struct rhash_head gl_node;
};
-#define GFS2_MIN_LVB_SIZE 32 /* Min size of LVB that gfs2 supports */
-
enum {
- GIF_INVALID = 0,
GIF_QD_LOCKED = 1,
- GIF_ALLOC_FAILED = 2,
GIF_SW_PAGED = 3,
- GIF_ORDERED = 4,
+ GIF_GLOP_PENDING = 6,
};
struct gfs2_inode {
@@ -349,20 +382,21 @@ struct gfs2_inode {
u64 i_generation;
u64 i_eattr;
unsigned long i_flags; /* GIF_... */
- struct gfs2_glock *i_gl; /* Move into i_gh? */
+ struct gfs2_glock *i_gl;
struct gfs2_holder i_iopen_gh;
- struct gfs2_holder i_gh; /* for prepare/commit_write only */
- struct gfs2_blkreserv *i_res; /* rgrp multi-block reservation */
- struct gfs2_rgrpd *i_rgd;
+ struct gfs2_qadata *i_qadata; /* quota allocation data */
+ struct gfs2_holder i_rgd_gh;
+ struct gfs2_blkreserv i_res; /* rgrp multi-block reservation */
u64 i_goal; /* goal block for allocations */
+ atomic_t i_sizehint; /* hint of the write size */
struct rw_semaphore i_rw_mutex;
struct list_head i_ordered;
- struct list_head i_trunc_list;
__be64 *i_hash_cache;
u32 i_entries;
u32 i_diskflags;
u8 i_height;
u8 i_depth;
+ u16 i_rahead;
};
/*
@@ -394,22 +428,25 @@ enum {
QDF_CHANGE = 1,
QDF_LOCKED = 2,
QDF_REFRESH = 3,
+ QDF_QMSG_QUIET = 4,
};
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;
s64 qd_change_sync;
unsigned int qd_slot;
- unsigned int qd_slot_count;
+ unsigned int qd_slot_ref;
struct buffer_head *qd_bh;
struct gfs2_quota_change *qd_bh_qc;
@@ -420,6 +457,13 @@ struct gfs2_quota_data {
u64 qd_sync_gen;
unsigned long qd_last_warn;
+ struct rcu_head qd_rcu;
+};
+
+enum {
+ TR_TOUCHED = 1,
+ TR_ATTACHED = 2,
+ TR_ONSTACK = 3,
};
struct gfs2_trans {
@@ -428,20 +472,17 @@ 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 long tr_flags;
unsigned int tr_num_buf_new;
unsigned int tr_num_databuf_new;
unsigned int tr_num_buf_rm;
unsigned int tr_num_databuf_rm;
unsigned int tr_num_revoke;
- 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 +490,7 @@ 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 */
@@ -459,13 +500,23 @@ 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;
+ struct bio *jd_log_bio;
unsigned long jd_flags;
#define JDF_RECOVERY 1
unsigned int jd_jid;
- unsigned int jd_blocks;
+ u32 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 {
@@ -478,6 +529,7 @@ struct gfs2_statfs_change_host {
#define GFS2_QUOTA_OFF 0
#define GFS2_QUOTA_ACCOUNT 1
#define GFS2_QUOTA_ON 2
+#define GFS2_QUOTA_QUIET 3 /* on but not complaining */
#define GFS2_DATA_DEFAULT GFS2_DATA_ORDERED
#define GFS2_DATA_WRITEBACK 1
@@ -485,8 +537,7 @@ struct gfs2_statfs_change_host {
#define GFS2_ERRORS_DEFAULT GFS2_ERRORS_WITHDRAW
#define GFS2_ERRORS_WITHDRAW 0
-#define GFS2_ERRORS_CONTINUE 1 /* place holder for future feature */
-#define GFS2_ERRORS_RO 2 /* place holder for future feature */
+#define GFS2_ERRORS_DEACTIVATE 1
#define GFS2_ERRORS_PANIC 3
struct gfs2_args {
@@ -502,13 +553,16 @@ struct gfs2_args {
unsigned int ar_data:2; /* ordered/writeback */
unsigned int ar_meta:1; /* mount metafs */
unsigned int ar_discard:1; /* discard requests */
- unsigned int ar_errors:2; /* errors=withdraw | panic */
+ unsigned int ar_errors:2; /* errors=withdraw | deactivate | panic */
unsigned int ar_nobarrier:1; /* do not send barriers */
unsigned int ar_rgrplvb:1; /* use lvbs for rgrp info */
- int ar_commit; /* Commit interval */
- int ar_statfs_quantum; /* The fast statfs interval */
- int ar_quota_quantum; /* The quota interval */
- int ar_statfs_percent; /* The % change to force sync */
+ unsigned int ar_got_rgrplvb:1; /* Was the rgrplvb opt given? */
+ unsigned int ar_loccookie:1; /* use location based readdir
+ cookies */
+ s32 ar_commit; /* Commit interval */
+ s32 ar_statfs_quantum; /* The fast statfs interval */
+ s32 ar_quota_quantum; /* The quota interval */
+ s32 ar_statfs_percent; /* The % change to force sync */
};
struct gfs2_tune {
@@ -516,7 +570,6 @@ 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 */
@@ -526,18 +579,24 @@ struct gfs2_tune {
unsigned int gt_complain_secs;
unsigned int gt_statfs_quantum;
unsigned int gt_statfs_slow;
+ unsigned int gt_withdraw_helper_timeout;
};
enum {
SDF_JOURNAL_CHECKED = 0,
SDF_JOURNAL_LIVE = 1,
- SDF_SHUTDOWN = 2,
+ SDF_WITHDRAWN = 2,
SDF_NOBARRIERS = 3,
SDF_NORECOVERY = 4,
SDF_DEMOTE = 5,
SDF_NOJOURNALID = 6,
SDF_RORECOVERY = 7, /* read only recovery */
SDF_SKIP_DLM_UNLOCK = 8,
+ SDF_FORCE_AIL_FLUSH = 9,
+ SDF_FREEZE_INITIATOR = 10,
+ SDF_KILL = 15,
+ SDF_EVICTING = 16,
+ SDF_FROZEN = 17,
};
#define GFS2_FSNAME_LEN 256
@@ -550,7 +609,6 @@ struct gfs2_inum_host {
struct gfs2_sb_host {
u32 sb_magic;
u32 sb_type;
- u32 sb_format;
u32 sb_fs_format;
u32 sb_multihost_format;
@@ -588,6 +646,8 @@ struct lm_lockstruct {
struct completion ls_sync_wait; /* {control,mounted}_{lock,unlock} */
char *ls_lvb_bits;
+ struct rw_semaphore ls_sem;
+
spinlock_t ls_recover_spin; /* protects following fields */
unsigned long ls_recover_flags; /* DFL_ */
uint32_t ls_recover_mount; /* gen in first recover_done cb */
@@ -603,10 +663,18 @@ struct gfs2_pcpu_lkstats {
struct gfs2_lkstats lkstats[10];
};
+/* List of local (per node) statfs inodes */
+struct local_statfs_inode {
+ struct list_head si_list;
+ struct inode *si_sc_inode;
+ unsigned int si_jid; /* journal id this statfs inode corresponds to */
+};
+
struct gfs2_sbd {
struct super_block *sd_vfs;
struct gfs2_pcpu_lkstats __percpu *sd_lkstats;
struct kobject sd_kobj;
+ struct completion sd_kobj_unregister;
unsigned long sd_flags; /* SDF_... */
struct gfs2_sb_host sd_sb;
@@ -616,6 +684,7 @@ struct gfs2_sbd {
u32 sd_fsb2bb_shift;
u32 sd_diptrs; /* Number of pointers in a dinode */
u32 sd_inptrs; /* Number of pointers in a indirect block */
+ u32 sd_ldptrs; /* Number of pointers in a log descriptor block */
u32 sd_jbsize; /* Size of a journaled data block */
u32 sd_hash_bsize; /* sizeof(exhash block) */
u32 sd_hash_bsize_shift;
@@ -625,8 +694,7 @@ struct gfs2_sbd {
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 + 1];
- u32 sd_max_jheight; /* Max height of journaled file's meta tree */
- u64 sd_jheightsize[GFS2_MAX_META_HEIGHT + 1];
+ u32 sd_max_dents_per_leaf; /* Max number of dirents in a leaf block */
struct gfs2_args sd_args; /* Mount arguments */
struct gfs2_tune sd_tune; /* Filesystem tuning structure */
@@ -636,11 +704,15 @@ 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;
- wait_queue_head_t sd_glock_wait;
+ struct gfs2_glock *sd_freeze_gl;
+ struct work_struct sd_freeze_work;
+ struct work_struct sd_withdraw_work;
+ wait_queue_head_t sd_kill_wait;
+ wait_queue_head_t sd_async_glock_wait;
atomic_t sd_glock_disposal;
struct completion sd_locking_init;
- struct completion sd_wdack;
+ struct completion sd_withdraw_helper;
+ int sd_withdraw_helper_status;
struct delayed_work sd_control_work;
/* Inode Stuff */
@@ -651,6 +723,7 @@ struct gfs2_sbd {
struct inode *sd_jindex;
struct inode *sd_statfs_inode;
struct inode *sd_sc_inode;
+ struct list_head sd_sc_inodes_list;
struct inode *sd_qc_inode;
struct inode *sd_rindex;
struct inode *sd_quota_inode;
@@ -682,8 +755,16 @@ struct gfs2_sbd {
struct gfs2_holder sd_jinode_gh;
struct gfs2_holder sd_sc_gh;
+ struct buffer_head *sd_sc_bh;
struct gfs2_holder sd_qc_gh;
+ struct completion sd_journal_ready;
+
+ /* Workqueue stuff */
+
+ struct workqueue_struct *sd_glock_wq;
+ struct workqueue_struct *sd_delete_wq;
+
/* Daemon stuff */
struct task_struct *sd_logd_process;
@@ -693,76 +774,62 @@ 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 inode *sd_inode;
+
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;
+ struct list_head sd_log_revokes;
+ struct list_head sd_log_ordered;
spinlock_t sd_ordered_lock;
atomic_t sd_log_thresh1;
atomic_t sd_log_thresh2;
atomic_t sd_log_blks_free;
+ atomic_t sd_log_blks_needed;
+ atomic_t sd_log_revokes_available;
wait_queue_head_t sd_log_waitq;
wait_queue_head_t sd_logd_waitq;
u64 sd_log_sequence;
- unsigned int sd_log_head;
- unsigned int sd_log_tail;
int sd_log_idle;
struct rw_semaphore sd_log_flush_lock;
atomic_t sd_log_in_flight;
- struct bio *sd_log_bio;
wait_queue_head_t sd_log_flush_wait;
- int sd_log_error;
+ int sd_log_error; /* First log error */
+ unsigned int sd_log_tail;
+ unsigned int sd_log_flush_tail;
+ unsigned int sd_log_head;
unsigned int sd_log_flush_head;
- u64 sd_log_flush_wrapped;
spinlock_t sd_ail_lock;
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 mutex sd_freeze_mutex;
+ struct list_head sd_dead_glocks;
- char sd_fsname[GFS2_FSNAME_LEN];
+ char sd_fsname[GFS2_FSNAME_LEN + 3 * sizeof(int) + 2];
char sd_table_name[GFS2_FSNAME_LEN];
char sd_proto_name[GFS2_FSNAME_LEN];
@@ -770,11 +837,15 @@ struct gfs2_sbd {
unsigned long sd_last_warning;
struct dentry *debugfs_dir; /* debugfs directory */
- struct dentry *debugfs_dentry_glocks;
- struct dentry *debugfs_dentry_glstats;
- struct dentry *debugfs_dentry_sbstats;
};
+#define GFS2_BAD_INO 1
+
+static inline struct address_space *gfs2_aspace(struct gfs2_sbd *sdp)
+{
+ return sdp->sd_inode->i_mapping;
+}
+
static inline void gfs2_glstats_inc(struct gfs2_glock *gl, int which)
{
gl->gl_stats.stats[which]++;
@@ -782,11 +853,18 @@ static inline void gfs2_glstats_inc(struct gfs2_glock *gl, int which)
static inline void gfs2_sbstats_inc(const struct gfs2_glock *gl, int which)
{
- const struct gfs2_sbd *sdp = gl->gl_sbd;
+ const struct gfs2_sbd *sdp = gl->gl_name.ln_sbd;
preempt_disable();
this_cpu_ptr(sdp->sd_lkstats)->lkstats[gl->gl_name.ln_type].stats[which]++;
preempt_enable();
}
+struct gfs2_rgrpd *gfs2_glock2rgrp(struct gfs2_glock *gl);
+
+static inline unsigned gfs2_max_stuffed_size(const struct gfs2_inode *ip)
+{
+ return GFS2_SB(&ip->i_inode)->sd_sb.sb_bsize - sizeof(struct gfs2_dinode);
+}
+
#endif /* __INCORE_DOT_H__ */
generated by cgit (git 2.34.1) at 2025-12-25 06:49:57 +0000