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Diffstat (limited to 'fs/xfs/xfs_log.c')
-rw-r--r--fs/xfs/xfs_log.c296
1 files changed, 180 insertions, 116 deletions
diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index f30d9807dc48..7f4f9370d0e7 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -38,46 +38,92 @@
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 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_sync(xlog_t *log, xlog_in_core_t *iclog);
-STATIC void xlog_dealloc_log(xlog_t *log);
+STATIC int
+xlog_commit_record(
+ struct xlog *log,
+ struct xlog_ticket *ticket,
+ struct xlog_in_core **iclog,
+ xfs_lsn_t *commitlsnp);
+
+STATIC struct xlog *
+xlog_alloc_log(
+ struct xfs_mount *mp,
+ struct xfs_buftarg *log_target,
+ xfs_daddr_t blk_offset,
+ int num_bblks);
+STATIC int
+xlog_space_left(
+ struct xlog *log,
+ atomic64_t *head);
+STATIC int
+xlog_sync(
+ struct xlog *log,
+ struct xlog_in_core *iclog);
+STATIC void
+xlog_dealloc_log(
+ struct xlog *log);
/* local state machine functions */
STATIC void xlog_state_done_syncing(xlog_in_core_t *iclog, int);
-STATIC void xlog_state_do_callback(xlog_t *log,int aborted, xlog_in_core_t *iclog);
-STATIC int xlog_state_get_iclog_space(xlog_t *log,
- int len,
- xlog_in_core_t **iclog,
- xlog_ticket_t *ticket,
- int *continued_write,
- int *logoffsetp);
-STATIC int xlog_state_release_iclog(xlog_t *log,
- xlog_in_core_t *iclog);
-STATIC void xlog_state_switch_iclogs(xlog_t *log,
- xlog_in_core_t *iclog,
- 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,
- int need_bytes);
-STATIC void xlog_regrant_reserve_log_space(xlog_t *log,
- xlog_ticket_t *ticket);
-STATIC void xlog_ungrant_log_space(xlog_t *log,
- xlog_ticket_t *ticket);
+STATIC void
+xlog_state_do_callback(
+ struct xlog *log,
+ int aborted,
+ struct xlog_in_core *iclog);
+STATIC int
+xlog_state_get_iclog_space(
+ struct xlog *log,
+ int len,
+ struct xlog_in_core **iclog,
+ struct xlog_ticket *ticket,
+ int *continued_write,
+ int *logoffsetp);
+STATIC int
+xlog_state_release_iclog(
+ struct xlog *log,
+ struct xlog_in_core *iclog);
+STATIC void
+xlog_state_switch_iclogs(
+ struct xlog *log,
+ struct xlog_in_core *iclog,
+ int eventual_size);
+STATIC void
+xlog_state_want_sync(
+ struct xlog *log,
+ struct xlog_in_core *iclog);
+
+STATIC void
+xlog_grant_push_ail(
+ struct xlog *log,
+ int need_bytes);
+STATIC void
+xlog_regrant_reserve_log_space(
+ struct xlog *log,
+ struct xlog_ticket *ticket);
+STATIC void
+xlog_ungrant_log_space(
+ struct xlog *log,
+ struct xlog_ticket *ticket);
#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_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,
- xfs_lsn_t tail_lsn);
+STATIC void
+xlog_verify_dest_ptr(
+ struct xlog *log,
+ char *ptr);
+STATIC void
+xlog_verify_grant_tail(
+ struct xlog *log);
+STATIC void
+xlog_verify_iclog(
+ struct xlog *log,
+ struct xlog_in_core *iclog,
+ int count,
+ boolean_t syncing);
+STATIC void
+xlog_verify_tail_lsn(
+ struct xlog *log,
+ struct xlog_in_core *iclog,
+ xfs_lsn_t tail_lsn);
#else
#define xlog_verify_dest_ptr(a,b)
#define xlog_verify_grant_tail(a)
@@ -85,13 +131,15 @@ STATIC void xlog_verify_tail_lsn(xlog_t *log, xlog_in_core_t *iclog,
#define xlog_verify_tail_lsn(a,b,c)
#endif
-STATIC int xlog_iclogs_empty(xlog_t *log);
+STATIC int
+xlog_iclogs_empty(
+ struct xlog *log);
static void
xlog_grant_sub_space(
- struct log *log,
- atomic64_t *head,
- int bytes)
+ struct xlog *log,
+ atomic64_t *head,
+ int bytes)
{
int64_t head_val = atomic64_read(head);
int64_t new, old;
@@ -115,9 +163,9 @@ xlog_grant_sub_space(
static void
xlog_grant_add_space(
- struct log *log,
- atomic64_t *head,
- int bytes)
+ struct xlog *log,
+ atomic64_t *head,
+ int bytes)
{
int64_t head_val = atomic64_read(head);
int64_t new, old;
@@ -165,7 +213,7 @@ 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 +230,7 @@ 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 +252,7 @@ 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 +304,7 @@ 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 +371,7 @@ 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 +437,7 @@ 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 +513,7 @@ 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) ||
@@ -672,7 +720,7 @@ xfs_log_mount_finish(xfs_mount_t *mp)
int
xfs_log_unmount_write(xfs_mount_t *mp)
{
- xlog_t *log = mp->m_log;
+ struct xlog *log = mp->m_log;
xlog_in_core_t *iclog;
#ifdef DEBUG
xlog_in_core_t *first_iclog;
@@ -810,6 +858,7 @@ xfs_log_unmount_write(xfs_mount_t *mp)
void
xfs_log_unmount(xfs_mount_t *mp)
{
+ cancel_delayed_work_sync(&mp->m_sync_work);
xfs_trans_ail_destroy(mp);
xlog_dealloc_log(mp->m_log);
}
@@ -838,7 +887,7 @@ 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))
@@ -880,7 +929,7 @@ int
xfs_log_need_covered(xfs_mount_t *mp)
{
int needed = 0;
- xlog_t *log = mp->m_log;
+ struct xlog *log = mp->m_log;
if (!xfs_fs_writable(mp))
return 0;
@@ -916,7 +965,7 @@ 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;
@@ -965,7 +1014,7 @@ xlog_assign_tail_lsn(
*/
STATIC int
xlog_space_left(
- struct log *log,
+ struct xlog *log,
atomic64_t *head)
{
int free_bytes;
@@ -1011,9 +1060,9 @@ xlog_space_left(
void
xlog_iodone(xfs_buf_t *bp)
{
- xlog_in_core_t *iclog = bp->b_fspriv;
- xlog_t *l = iclog->ic_log;
- int aborted = 0;
+ struct xlog_in_core *iclog = bp->b_fspriv;
+ struct xlog *l = iclog->ic_log;
+ int aborted = 0;
/*
* Race to shutdown the filesystem if we see an error.
@@ -1054,8 +1103,9 @@ xlog_iodone(xfs_buf_t *bp)
*/
STATIC void
-xlog_get_iclog_buffer_size(xfs_mount_t *mp,
- xlog_t *log)
+xlog_get_iclog_buffer_size(
+ struct xfs_mount *mp,
+ struct xlog *log)
{
int size;
int xhdrs;
@@ -1116,13 +1166,14 @@ done:
* Its primary purpose is to fill in enough, so recovery can occur. However,
* some other stuff may be filled in too.
*/
-STATIC xlog_t *
-xlog_alloc_log(xfs_mount_t *mp,
- xfs_buftarg_t *log_target,
- xfs_daddr_t blk_offset,
- int num_bblks)
+STATIC struct xlog *
+xlog_alloc_log(
+ struct xfs_mount *mp,
+ struct xfs_buftarg *log_target,
+ xfs_daddr_t blk_offset,
+ int num_bblks)
{
- xlog_t *log;
+ struct xlog *log;
xlog_rec_header_t *head;
xlog_in_core_t **iclogp;
xlog_in_core_t *iclog, *prev_iclog=NULL;
@@ -1131,7 +1182,7 @@ xlog_alloc_log(xfs_mount_t *mp,
int error = ENOMEM;
uint log2_size = 0;
- log = kmem_zalloc(sizeof(xlog_t), KM_MAYFAIL);
+ log = kmem_zalloc(sizeof(struct xlog), KM_MAYFAIL);
if (!log) {
xfs_warn(mp, "Log allocation failed: No memory!");
goto out;
@@ -1277,7 +1328,7 @@ 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)
@@ -1311,7 +1362,7 @@ xlog_commit_record(
*/
STATIC void
xlog_grant_push_ail(
- struct log *log,
+ struct xlog *log,
int need_bytes)
{
xfs_lsn_t threshold_lsn = 0;
@@ -1421,8 +1472,9 @@ xlog_bdstrat(
*/
STATIC int
-xlog_sync(xlog_t *log,
- xlog_in_core_t *iclog)
+xlog_sync(
+ struct xlog *log,
+ struct xlog_in_core *iclog)
{
xfs_caddr_t dptr; /* pointer to byte sized element */
xfs_buf_t *bp;
@@ -1571,7 +1623,8 @@ xlog_sync(xlog_t *log,
* Deallocate a log structure
*/
STATIC void
-xlog_dealloc_log(xlog_t *log)
+xlog_dealloc_log(
+ struct xlog *log)
{
xlog_in_core_t *iclog, *next_iclog;
int i;
@@ -1603,10 +1656,11 @@ xlog_dealloc_log(xlog_t *log)
*/
/* ARGSUSED */
static inline void
-xlog_state_finish_copy(xlog_t *log,
- xlog_in_core_t *iclog,
- int record_cnt,
- int copy_bytes)
+xlog_state_finish_copy(
+ struct xlog *log,
+ struct xlog_in_core *iclog,
+ int record_cnt,
+ int copy_bytes)
{
spin_lock(&log->l_icloglock);
@@ -1790,7 +1844,7 @@ 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)
@@ -1873,7 +1927,7 @@ 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,
@@ -1958,7 +2012,7 @@ 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,
@@ -2129,7 +2183,8 @@ xlog_write(
* State Change: DIRTY -> ACTIVE
*/
STATIC void
-xlog_state_clean_log(xlog_t *log)
+xlog_state_clean_log(
+ struct xlog *log)
{
xlog_in_core_t *iclog;
int changed = 0;
@@ -2209,7 +2264,7 @@ xlog_state_clean_log(xlog_t *log)
STATIC xfs_lsn_t
xlog_get_lowest_lsn(
- xlog_t *log)
+ struct xlog *log)
{
xlog_in_core_t *lsn_log;
xfs_lsn_t lowest_lsn, lsn;
@@ -2232,9 +2287,9 @@ xlog_get_lowest_lsn(
STATIC void
xlog_state_do_callback(
- xlog_t *log,
- int aborted,
- xlog_in_core_t *ciclog)
+ struct xlog *log,
+ int aborted,
+ struct xlog_in_core *ciclog)
{
xlog_in_core_t *iclog;
xlog_in_core_t *first_iclog; /* used to know when we've
@@ -2454,7 +2509,7 @@ xlog_state_done_syncing(
xlog_in_core_t *iclog,
int aborted)
{
- xlog_t *log = iclog->ic_log;
+ struct xlog *log = iclog->ic_log;
spin_lock(&log->l_icloglock);
@@ -2508,12 +2563,13 @@ xlog_state_done_syncing(
* is copied.
*/
STATIC int
-xlog_state_get_iclog_space(xlog_t *log,
- int len,
- xlog_in_core_t **iclogp,
- xlog_ticket_t *ticket,
- int *continued_write,
- int *logoffsetp)
+xlog_state_get_iclog_space(
+ struct xlog *log,
+ int len,
+ struct xlog_in_core **iclogp,
+ struct xlog_ticket *ticket,
+ int *continued_write,
+ int *logoffsetp)
{
int log_offset;
xlog_rec_header_t *head;
@@ -2618,8 +2674,9 @@ restart:
* move grant reservation head forward.
*/
STATIC void
-xlog_regrant_reserve_log_space(xlog_t *log,
- xlog_ticket_t *ticket)
+xlog_regrant_reserve_log_space(
+ struct xlog *log,
+ struct xlog_ticket *ticket)
{
trace_xfs_log_regrant_reserve_enter(log, ticket);
@@ -2664,8 +2721,9 @@ xlog_regrant_reserve_log_space(xlog_t *log,
* in the current reservation field.
*/
STATIC void
-xlog_ungrant_log_space(xlog_t *log,
- xlog_ticket_t *ticket)
+xlog_ungrant_log_space(
+ struct xlog *log,
+ struct xlog_ticket *ticket)
{
int bytes;
@@ -2704,8 +2762,8 @@ xlog_ungrant_log_space(xlog_t *log,
*/
STATIC int
xlog_state_release_iclog(
- xlog_t *log,
- xlog_in_core_t *iclog)
+ struct xlog *log,
+ struct xlog_in_core *iclog)
{
int sync = 0; /* do we sync? */
@@ -2755,9 +2813,10 @@ xlog_state_release_iclog(
* that every data block. We have run out of space in this log record.
*/
STATIC void
-xlog_state_switch_iclogs(xlog_t *log,
- xlog_in_core_t *iclog,
- int eventual_size)
+xlog_state_switch_iclogs(
+ struct xlog *log,
+ struct xlog_in_core *iclog,
+ int eventual_size)
{
ASSERT(iclog->ic_state == XLOG_STATE_ACTIVE);
if (!eventual_size)
@@ -2821,7 +2880,7 @@ _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;
@@ -2969,7 +3028,7 @@ _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;
@@ -3101,7 +3160,9 @@ xfs_log_force_lsn(
* disk.
*/
STATIC void
-xlog_state_want_sync(xlog_t *log, xlog_in_core_t *iclog)
+xlog_state_want_sync(
+ struct xlog *log,
+ struct xlog_in_core *iclog)
{
assert_spin_locked(&log->l_icloglock);
@@ -3145,9 +3206,9 @@ xfs_log_ticket_get(
/*
* Allocate and initialise a new log ticket.
*/
-xlog_ticket_t *
+struct xlog_ticket *
xlog_ticket_alloc(
- struct log *log,
+ struct xlog *log,
int unit_bytes,
int cnt,
char client,
@@ -3278,7 +3339,7 @@ xlog_ticket_alloc(
*/
void
xlog_verify_dest_ptr(
- struct log *log,
+ struct xlog *log,
char *ptr)
{
int i;
@@ -3307,7 +3368,7 @@ xlog_verify_dest_ptr(
*/
STATIC void
xlog_verify_grant_tail(
- struct log *log)
+ struct xlog *log)
{
int tail_cycle, tail_blocks;
int cycle, space;
@@ -3333,9 +3394,10 @@ xlog_verify_grant_tail(
/* check if it will fit */
STATIC void
-xlog_verify_tail_lsn(xlog_t *log,
- xlog_in_core_t *iclog,
- xfs_lsn_t tail_lsn)
+xlog_verify_tail_lsn(
+ struct xlog *log,
+ struct xlog_in_core *iclog,
+ xfs_lsn_t tail_lsn)
{
int blocks;
@@ -3372,10 +3434,11 @@ xlog_verify_tail_lsn(xlog_t *log,
* the cycle numbers agree with the current cycle number.
*/
STATIC void
-xlog_verify_iclog(xlog_t *log,
- xlog_in_core_t *iclog,
- int count,
- boolean_t syncing)
+xlog_verify_iclog(
+ struct xlog *log,
+ struct xlog_in_core *iclog,
+ int count,
+ boolean_t syncing)
{
xlog_op_header_t *ophead;
xlog_in_core_t *icptr;
@@ -3469,7 +3532,7 @@ xlog_verify_iclog(xlog_t *log,
*/
STATIC int
xlog_state_ioerror(
- xlog_t *log)
+ struct xlog *log)
{
xlog_in_core_t *iclog, *ic;
@@ -3514,7 +3577,7 @@ xfs_log_force_umount(
struct xfs_mount *mp,
int logerror)
{
- xlog_t *log;
+ struct xlog *log;
int retval;
log = mp->m_log;
@@ -3621,7 +3684,8 @@ xfs_log_force_umount(
}
STATIC int
-xlog_iclogs_empty(xlog_t *log)
+xlog_iclogs_empty(
+ struct xlog *log)
{
xlog_in_core_t *iclog;