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xfs: rename log structure to xlog 

Rename the XFS log structure to xlog to help crash distinquish it from the
other logs in Linux.

Signed-off-by: Mark Tinguely <tinguely@sgi.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ben Myers <bpm@sgi.com>
This commit is contained in:
Mark Tinguely 2012-06-14 09:22:15 -05:00 committed by Ben Myers
parent 8866fc6fa5
commit f7bdf03a99
6 changed files with 116 additions and 88 deletions
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66
fs/xfs/xfs_log.c
View File

@ -38,13 +38,21 @@
kmem_zone_t *xfs_log_ticket_zone;
/* Local miscellaneous function prototypes */
STATIC int xlog_commit_record(struct log *log, struct xlog_ticket *ticket,
xlog_in_core_t **, xfs_lsn_t *);
STATIC int
xlog_commit_record(
struct xlog *log,
struct xlog_ticket *ticket,
struct xlog_in_core **iclog,
xfs_lsn_t *commitlsnp);
STATIC xlog_t * xlog_alloc_log(xfs_mount_t *mp,
xfs_buftarg_t *log_target,
xfs_daddr_t blk_offset,
int num_bblks);
STATIC int xlog_space_left(struct log *log, atomic64_t *head);
STATIC int
xlog_space_left(
struct xlog *log,
atomic64_t *head);
STATIC int xlog_sync(xlog_t *log, xlog_in_core_t *iclog);
STATIC void xlog_dealloc_log(xlog_t *log);
@ -64,7 +72,9 @@ STATIC void xlog_state_switch_iclogs(xlog_t *log,
int eventual_size);
STATIC void xlog_state_want_sync(xlog_t *log, xlog_in_core_t *iclog);
STATIC void xlog_grant_push_ail(struct log *log,
STATIC void
xlog_grant_push_ail(
struct xlog *log,
int need_bytes);
STATIC void xlog_regrant_reserve_log_space(xlog_t *log,
xlog_ticket_t *ticket);
@ -73,7 +83,9 @@ STATIC void xlog_ungrant_log_space(xlog_t *log,
#if defined(DEBUG)
STATIC void xlog_verify_dest_ptr(xlog_t *log, char *ptr);
STATIC void xlog_verify_grant_tail(struct log *log);
STATIC void
xlog_verify_grant_tail(
struct xlog *log);
STATIC void xlog_verify_iclog(xlog_t *log, xlog_in_core_t *iclog,
int count, boolean_t syncing);
STATIC void xlog_verify_tail_lsn(xlog_t *log, xlog_in_core_t *iclog,
@ -89,7 +101,7 @@ STATIC int xlog_iclogs_empty(xlog_t *log);
static void
xlog_grant_sub_space(
struct log *log,
struct xlog *log,
atomic64_t *head,
int bytes)
{
@ -115,7 +127,7 @@ xlog_grant_sub_space(
static void
xlog_grant_add_space(
struct log *log,
struct xlog *log,
atomic64_t *head,
int bytes)
{
@ -165,7 +177,7 @@ xlog_grant_head_wake_all(
static inline int
xlog_ticket_reservation(
struct log *log,
struct xlog *log,
struct xlog_grant_head *head,
struct xlog_ticket *tic)
{
@ -182,7 +194,7 @@ xlog_ticket_reservation(
STATIC bool
xlog_grant_head_wake(
struct log *log,
struct xlog *log,
struct xlog_grant_head *head,
int *free_bytes)
{
@ -204,7 +216,7 @@ xlog_grant_head_wake(
STATIC int
xlog_grant_head_wait(
struct log *log,
struct xlog *log,
struct xlog_grant_head *head,
struct xlog_ticket *tic,
int need_bytes)
@ -256,7 +268,7 @@ shutdown:
*/
STATIC int
xlog_grant_head_check(
struct log *log,
struct xlog *log,
struct xlog_grant_head *head,
struct xlog_ticket *tic,
int *need_bytes)
@ -323,7 +335,7 @@ xfs_log_regrant(
struct xfs_mount *mp,
struct xlog_ticket *tic)
{
struct log *log = mp->m_log;
struct xlog *log = mp->m_log;
int need_bytes;
int error = 0;
@ -389,7 +401,7 @@ xfs_log_reserve(
bool permanent,
uint t_type)
{
struct log *log = mp->m_log;
struct xlog *log = mp->m_log;
struct xlog_ticket *tic;
int need_bytes;
int error = 0;
@ -465,7 +477,7 @@ xfs_log_done(
struct xlog_in_core **iclog,
uint flags)
{
struct log *log = mp->m_log;
struct xlog *log = mp->m_log;
xfs_lsn_t lsn = 0;
if (XLOG_FORCED_SHUTDOWN(log) ||
@ -839,7 +851,7 @@ void
xfs_log_space_wake(
struct xfs_mount *mp)
{
struct log *log = mp->m_log;
struct xlog *log = mp->m_log;
int free_bytes;
if (XLOG_FORCED_SHUTDOWN(log))
@ -917,7 +929,7 @@ xfs_lsn_t
xlog_assign_tail_lsn_locked(
struct xfs_mount *mp)
{
struct log *log = mp->m_log;
struct xlog *log = mp->m_log;
struct xfs_log_item *lip;
xfs_lsn_t tail_lsn;
@ -966,7 +978,7 @@ xlog_assign_tail_lsn(
*/
STATIC int
xlog_space_left(
struct log *log,
struct xlog *log,
atomic64_t *head)
{
int free_bytes;
@ -1278,7 +1290,7 @@ out:
*/
STATIC int
xlog_commit_record(
struct log *log,
struct xlog *log,
struct xlog_ticket *ticket,
struct xlog_in_core **iclog,
xfs_lsn_t *commitlsnp)
@ -1312,7 +1324,7 @@ xlog_commit_record(
*/
STATIC void
xlog_grant_push_ail(
struct log *log,
struct xlog *log,
int need_bytes)
{
xfs_lsn_t threshold_lsn = 0;
@ -1791,7 +1803,7 @@ xlog_write_start_rec(
static xlog_op_header_t *
xlog_write_setup_ophdr(
struct log *log,
struct xlog *log,
struct xlog_op_header *ophdr,
struct xlog_ticket *ticket,
uint flags)
@ -1874,7 +1886,7 @@ xlog_write_setup_copy(
static int
xlog_write_copy_finish(
struct log *log,
struct xlog *log,
struct xlog_in_core *iclog,
uint flags,
int *record_cnt,
@ -1959,7 +1971,7 @@ xlog_write_copy_finish(
*/
int
xlog_write(
struct log *log,
struct xlog *log,
struct xfs_log_vec *log_vector,
struct xlog_ticket *ticket,
xfs_lsn_t *start_lsn,
@ -2822,7 +2834,7 @@ _xfs_log_force(
uint flags,
int *log_flushed)
{
struct log *log = mp->m_log;
struct xlog *log = mp->m_log;
struct xlog_in_core *iclog;
xfs_lsn_t lsn;
@ -2970,7 +2982,7 @@ _xfs_log_force_lsn(
uint flags,
int *log_flushed)
{
struct log *log = mp->m_log;
struct xlog *log = mp->m_log;
struct xlog_in_core *iclog;
int already_slept = 0;
@ -3148,7 +3160,7 @@ xfs_log_ticket_get(
*/
xlog_ticket_t *
xlog_ticket_alloc(
struct log *log,
struct xlog *log,
int unit_bytes,
int cnt,
char client,
@ -3279,7 +3291,7 @@ xlog_ticket_alloc(
*/
void
xlog_verify_dest_ptr(
struct log *log,
struct xlog *log,
char *ptr)
{
int i;
@ -3308,7 +3320,7 @@ xlog_verify_dest_ptr(
*/
STATIC void
xlog_verify_grant_tail(
struct log *log)
struct xlog *log)
{
int tail_cycle, tail_blocks;
int cycle, space;

22
fs/xfs/xfs_log_cil.c
View File

@ -44,7 +44,7 @@
*/
static struct xlog_ticket *
xlog_cil_ticket_alloc(
struct log *log)
struct xlog *log)
{
struct xlog_ticket *tic;
@ -72,7 +72,7 @@ xlog_cil_ticket_alloc(
*/
void
xlog_cil_init_post_recovery(
struct log *log)
struct xlog *log)
{
log->l_cilp->xc_ctx->ticket = xlog_cil_ticket_alloc(log);
log->l_cilp->xc_ctx->sequence = 1;
@ -182,7 +182,7 @@ xlog_cil_prepare_log_vecs(
*/
STATIC void
xfs_cil_prepare_item(
struct log *log,
struct xlog *log,
struct xfs_log_vec *lv,
int *len,
int *diff_iovecs)
@ -231,7 +231,7 @@ xfs_cil_prepare_item(
*/
static void
xlog_cil_insert_items(
struct log *log,
struct xlog *log,
struct xfs_log_vec *log_vector,
struct xlog_ticket *ticket)
{
@ -373,7 +373,7 @@ xlog_cil_committed(
*/
STATIC int
xlog_cil_push(
struct log *log)
struct xlog *log)
{
struct xfs_cil *cil = log->l_cilp;
struct xfs_log_vec *lv;
@ -601,7 +601,7 @@ xlog_cil_push_work(
*/
static void
xlog_cil_push_background(
struct log *log)
struct xlog *log)
{
struct xfs_cil *cil = log->l_cilp;
@ -629,7 +629,7 @@ xlog_cil_push_background(
static void
xlog_cil_push_foreground(
struct log *log,
struct xlog *log,
xfs_lsn_t push_seq)
{
struct xfs_cil *cil = log->l_cilp;
@ -683,7 +683,7 @@ xfs_log_commit_cil(
xfs_lsn_t *commit_lsn,
int flags)
{
struct log *log = mp->m_log;
struct xlog *log = mp->m_log;
int log_flags = 0;
struct xfs_log_vec *log_vector;
@ -754,7 +754,7 @@ xfs_log_commit_cil(
*/
xfs_lsn_t
xlog_cil_force_lsn(
struct log *log,
struct xlog *log,
xfs_lsn_t sequence)
{
struct xfs_cil *cil = log->l_cilp;
@ -833,7 +833,7 @@ xfs_log_item_in_current_chkpt(
*/
int
xlog_cil_init(
struct log *log)
struct xlog *log)
{
struct xfs_cil *cil;
struct xfs_cil_ctx *ctx;
@ -869,7 +869,7 @@ xlog_cil_init(
void
xlog_cil_destroy(
struct log *log)
struct xlog *log)
{
if (log->l_cilp->xc_ctx) {
if (log->l_cilp->xc_ctx->ticket)

44
fs/xfs/xfs_log_priv.h
View File

@ -19,7 +19,7 @@
#define __XFS_LOG_PRIV_H__
struct xfs_buf;
struct log;
struct xlog;
struct xlog_ticket;
struct xfs_mount;
@ -352,7 +352,7 @@ typedef struct xlog_in_core {
struct xlog_in_core *ic_next;
struct xlog_in_core *ic_prev;
struct xfs_buf *ic_bp;
struct log *ic_log;
struct xlog *ic_log;
int ic_size;
int ic_offset;
int ic_bwritecnt;
@ -409,7 +409,7 @@ struct xfs_cil_ctx {
* operations almost as efficient as the old logging methods.
*/
struct xfs_cil {
struct log *xc_log;
struct xlog *xc_log;
struct list_head xc_cil;
spinlock_t xc_cil_lock;
struct xfs_cil_ctx *xc_ctx;
@ -487,7 +487,7 @@ struct xlog_grant_head {
* overflow 31 bits worth of byte offset, so using a byte number will mean
* that round off problems won't occur when releasing partial reservations.
*/
typedef struct log {
typedef struct xlog {
/* The following fields don't need locking */
struct xfs_mount *l_mp; /* mount point */
struct xfs_ail *l_ailp; /* AIL log is working with */
@ -553,8 +553,13 @@ extern int xlog_recover_finish(xlog_t *log);
extern void xlog_pack_data(xlog_t *log, xlog_in_core_t *iclog, int);
extern kmem_zone_t *xfs_log_ticket_zone;
struct xlog_ticket *xlog_ticket_alloc(struct log *log, int unit_bytes,
int count, char client, bool permanent,
struct xlog_ticket *
xlog_ticket_alloc(
struct xlog *log,
int unit_bytes,
int count,
char client,
bool permanent,
xfs_km_flags_t alloc_flags);
@ -567,9 +572,14 @@ xlog_write_adv_cnt(void **ptr, int *len, int *off, size_t bytes)
}
void xlog_print_tic_res(struct xfs_mount *mp, struct xlog_ticket *ticket);
int xlog_write(struct log *log, struct xfs_log_vec *log_vector,
struct xlog_ticket *tic, xfs_lsn_t *start_lsn,
xlog_in_core_t **commit_iclog, uint flags);
int
xlog_write(
struct xlog *log,
struct xfs_log_vec *log_vector,
struct xlog_ticket *tic,
xfs_lsn_t *start_lsn,
struct xlog_in_core **commit_iclog,
uint flags);
/*
* When we crack an atomic LSN, we sample it first so that the value will not
@ -629,17 +639,23 @@ xlog_assign_grant_head(atomic64_t *head, int cycle, int space)
/*
* Committed Item List interfaces
*/
int xlog_cil_init(struct log *log);
void xlog_cil_init_post_recovery(struct log *log);
void xlog_cil_destroy(struct log *log);
int
xlog_cil_init(struct xlog *log);
void
xlog_cil_init_post_recovery(struct xlog *log);
void
xlog_cil_destroy(struct xlog *log);
/*
* CIL force routines
*/
xfs_lsn_t xlog_cil_force_lsn(struct log *log, xfs_lsn_t sequence);
xfs_lsn_t
xlog_cil_force_lsn(
struct xlog *log,
xfs_lsn_t sequence);
static inline void
xlog_cil_force(struct log *log)
xlog_cil_force(struct xlog *log)
{
xlog_cil_force_lsn(log, log->l_cilp->xc_current_sequence);
}

32
fs/xfs/xfs_log_recover.c
View File

@ -1471,8 +1471,8 @@ xlog_recover_add_item(
STATIC int
xlog_recover_add_to_cont_trans(
struct log *log,
xlog_recover_t *trans,
struct xlog *log,
struct xlog_recover *trans,
xfs_caddr_t dp,
int len)
{
@ -1517,8 +1517,8 @@ xlog_recover_add_to_cont_trans(
*/
STATIC int
xlog_recover_add_to_trans(
struct log *log,
xlog_recover_t *trans,
struct xlog *log,
struct xlog_recover *trans,
xfs_caddr_t dp,
int len)
{
@ -1588,8 +1588,8 @@ xlog_recover_add_to_trans(
*/
STATIC int
xlog_recover_reorder_trans(
struct log *log,
xlog_recover_t *trans,
struct xlog *log,
struct xlog_recover *trans,
int pass)
{
xlog_recover_item_t *item, *n;
@ -1642,8 +1642,8 @@ xlog_recover_reorder_trans(
*/
STATIC int
xlog_recover_buffer_pass1(
struct log *log,
xlog_recover_item_t *item)
struct xlog *log,
struct xlog_recover_item *item)
{
xfs_buf_log_format_t *buf_f = item->ri_buf[0].i_addr;
struct list_head *bucket;
@ -1696,7 +1696,7 @@ xlog_recover_buffer_pass1(
*/
STATIC int
xlog_check_buffer_cancelled(
struct log *log,
struct xlog *log,
xfs_daddr_t blkno,
uint len,
ushort flags)
@ -2689,9 +2689,9 @@ xlog_recover_free_trans(
STATIC int
xlog_recover_commit_pass1(
struct log *log,
struct xlog *log,
struct xlog_recover *trans,
xlog_recover_item_t *item)
struct xlog_recover_item *item)
{
trace_xfs_log_recover_item_recover(log, trans, item, XLOG_RECOVER_PASS1);
@ -2716,10 +2716,10 @@ xlog_recover_commit_pass1(
STATIC int
xlog_recover_commit_pass2(
struct log *log,
struct xlog *log,
struct xlog_recover *trans,
struct list_head *buffer_list,
xlog_recover_item_t *item)
struct xlog_recover_item *item)
{
trace_xfs_log_recover_item_recover(log, trans, item, XLOG_RECOVER_PASS2);
@ -2753,7 +2753,7 @@ xlog_recover_commit_pass2(
*/
STATIC int
xlog_recover_commit_trans(
struct log *log,
struct xlog *log,
struct xlog_recover *trans,
int pass)
{
@ -2793,8 +2793,8 @@ out:
STATIC int
xlog_recover_unmount_trans(
struct log *log,
xlog_recover_t *trans)
struct xlog *log,
struct xlog_recover *trans)
{
/* Do nothing now */
xfs_warn(log->l_mp, "%s: Unmount LR", __func__);

4
fs/xfs/xfs_mount.h
View File

@ -53,7 +53,7 @@ typedef struct xfs_trans_reservations {
#include "xfs_sync.h"
struct log;
struct xlog;
struct xfs_mount_args;
struct xfs_inode;
struct xfs_bmbt_irec;
@ -133,7 +133,7 @@ typedef struct xfs_mount {
uint m_readio_blocks; /* min read size blocks */
uint m_writeio_log; /* min write size log bytes */
uint m_writeio_blocks; /* min write size blocks */
struct log *m_log; /* log specific stuff */
struct xlog *m_log; /* log specific stuff */
int m_logbufs; /* number of log buffers */
int m_logbsize; /* size of each log buffer */
uint m_rsumlevels; /* rt summary levels */

18
fs/xfs/xfs_trace.h
View File

@ -32,7 +32,7 @@ struct xfs_da_node_entry;
struct xfs_dquot;
struct xfs_log_item;
struct xlog_ticket;
struct log;
struct xlog;
struct xlog_recover;
struct xlog_recover_item;
struct xfs_buf_log_format;
@ -762,7 +762,7 @@ DEFINE_DQUOT_EVENT(xfs_dqflush_force);
DEFINE_DQUOT_EVENT(xfs_dqflush_done);
DECLARE_EVENT_CLASS(xfs_loggrant_class,
TP_PROTO(struct log *log, struct xlog_ticket *tic),
TP_PROTO(struct xlog *log, struct xlog_ticket *tic),
TP_ARGS(log, tic),
TP_STRUCT__entry(
__field(dev_t, dev)
@ -830,7 +830,7 @@ DECLARE_EVENT_CLASS(xfs_loggrant_class,
#define DEFINE_LOGGRANT_EVENT(name) \
DEFINE_EVENT(xfs_loggrant_class, name, \
TP_PROTO(struct log *log, struct xlog_ticket *tic), \
TP_PROTO(struct xlog *log, struct xlog_ticket *tic), \
TP_ARGS(log, tic))
DEFINE_LOGGRANT_EVENT(xfs_log_done_nonperm);
DEFINE_LOGGRANT_EVENT(xfs_log_done_perm);
@ -1664,7 +1664,7 @@ DEFINE_SWAPEXT_EVENT(xfs_swap_extent_before);
DEFINE_SWAPEXT_EVENT(xfs_swap_extent_after);
DECLARE_EVENT_CLASS(xfs_log_recover_item_class,
TP_PROTO(struct log *log, struct xlog_recover *trans,
TP_PROTO(struct xlog *log, struct xlog_recover *trans,
struct xlog_recover_item *item, int pass),
TP_ARGS(log, trans, item, pass),
TP_STRUCT__entry(
@ -1698,7 +1698,7 @@ DECLARE_EVENT_CLASS(xfs_log_recover_item_class,
#define DEFINE_LOG_RECOVER_ITEM(name) \
DEFINE_EVENT(xfs_log_recover_item_class, name, \
TP_PROTO(struct log *log, struct xlog_recover *trans, \
TP_PROTO(struct xlog *log, struct xlog_recover *trans, \
struct xlog_recover_item *item, int pass), \
TP_ARGS(log, trans, item, pass))
@ -1709,7 +1709,7 @@ DEFINE_LOG_RECOVER_ITEM(xfs_log_recover_item_reorder_tail);
DEFINE_LOG_RECOVER_ITEM(xfs_log_recover_item_recover);
DECLARE_EVENT_CLASS(xfs_log_recover_buf_item_class,
TP_PROTO(struct log *log, struct xfs_buf_log_format *buf_f),
TP_PROTO(struct xlog *log, struct xfs_buf_log_format *buf_f),
TP_ARGS(log, buf_f),
TP_STRUCT__entry(
__field(dev_t, dev)
@ -1739,7 +1739,7 @@ DECLARE_EVENT_CLASS(xfs_log_recover_buf_item_class,
#define DEFINE_LOG_RECOVER_BUF_ITEM(name) \
DEFINE_EVENT(xfs_log_recover_buf_item_class, name, \
TP_PROTO(struct log *log, struct xfs_buf_log_format *buf_f), \
TP_PROTO(struct xlog *log, struct xfs_buf_log_format *buf_f), \
TP_ARGS(log, buf_f))
DEFINE_LOG_RECOVER_BUF_ITEM(xfs_log_recover_buf_not_cancel);
@ -1752,7 +1752,7 @@ DEFINE_LOG_RECOVER_BUF_ITEM(xfs_log_recover_buf_reg_buf);
DEFINE_LOG_RECOVER_BUF_ITEM(xfs_log_recover_buf_dquot_buf);
DECLARE_EVENT_CLASS(xfs_log_recover_ino_item_class,
TP_PROTO(struct log *log, struct xfs_inode_log_format *in_f),
TP_PROTO(struct xlog *log, struct xfs_inode_log_format *in_f),
TP_ARGS(log, in_f),
TP_STRUCT__entry(
__field(dev_t, dev)
@ -1790,7 +1790,7 @@ DECLARE_EVENT_CLASS(xfs_log_recover_ino_item_class,
)
#define DEFINE_LOG_RECOVER_INO_ITEM(name) \
DEFINE_EVENT(xfs_log_recover_ino_item_class, name, \
TP_PROTO(struct log *log, struct xfs_inode_log_format *in_f), \
TP_PROTO(struct xlog *log, struct xfs_inode_log_format *in_f), \
TP_ARGS(log, in_f))
DEFINE_LOG_RECOVER_INO_ITEM(xfs_log_recover_inode_recover);