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Diffstat (limited to 'fs/xfs/xfs_log.c')
-rw-r--r--fs/xfs/xfs_log.c64
1 files changed, 49 insertions, 15 deletions
diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index 19d0c5f..027ebfe 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -54,9 +54,6 @@ STATIC xlog_t * xlog_alloc_log(xfs_mount_t *mp,
STATIC int xlog_space_left(xlog_t *log, int cycle, int bytes);
STATIC int xlog_sync(xlog_t *log, xlog_in_core_t *iclog);
STATIC void xlog_dealloc_log(xlog_t *log);
-STATIC 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);
/* local state machine functions */
STATIC void xlog_state_done_syncing(xlog_in_core_t *iclog, int);
@@ -86,12 +83,6 @@ STATIC int xlog_regrant_write_log_space(xlog_t *log,
STATIC void xlog_ungrant_log_space(xlog_t *log,
xlog_ticket_t *ticket);
-
-/* local ticket functions */
-STATIC xlog_ticket_t *xlog_ticket_alloc(xlog_t *log, int unit_bytes, int count,
- char clientid, uint flags,
- int alloc_flags);
-
#if defined(DEBUG)
STATIC void xlog_verify_dest_ptr(xlog_t *log, char *ptr);
STATIC void xlog_verify_grant_head(xlog_t *log, int equals);
@@ -460,6 +451,13 @@ xfs_log_mount(
/* Normal transactions can now occur */
mp->m_log->l_flags &= ~XLOG_ACTIVE_RECOVERY;
+ /*
+ * Now the log has been fully initialised and we know were our
+ * space grant counters are, we can initialise the permanent ticket
+ * needed for delayed logging to work.
+ */
+ xlog_cil_init_post_recovery(mp->m_log);
+
return 0;
out_destroy_ail:
@@ -666,6 +664,10 @@ xfs_log_item_init(
item->li_ailp = mp->m_ail;
item->li_type = type;
item->li_ops = ops;
+ item->li_lv = NULL;
+
+ INIT_LIST_HEAD(&item->li_ail);
+ INIT_LIST_HEAD(&item->li_cil);
}
/*
@@ -1176,6 +1178,9 @@ xlog_alloc_log(xfs_mount_t *mp,
*iclogp = log->l_iclog; /* complete ring */
log->l_iclog->ic_prev = prev_iclog; /* re-write 1st prev ptr */
+ error = xlog_cil_init(log);
+ if (error)
+ goto out_free_iclog;
return log;
out_free_iclog:
@@ -1502,6 +1507,8 @@ xlog_dealloc_log(xlog_t *log)
xlog_in_core_t *iclog, *next_iclog;
int i;
+ xlog_cil_destroy(log);
+
iclog = log->l_iclog;
for (i=0; i<log->l_iclog_bufs; i++) {
sv_destroy(&iclog->ic_force_wait);
@@ -1544,8 +1551,10 @@ xlog_state_finish_copy(xlog_t *log,
* print out info relating to regions written which consume
* the reservation
*/
-STATIC void
-xlog_print_tic_res(xfs_mount_t *mp, xlog_ticket_t *ticket)
+void
+xlog_print_tic_res(
+ struct xfs_mount *mp,
+ struct xlog_ticket *ticket)
{
uint i;
uint ophdr_spc = ticket->t_res_num_ophdrs * (uint)sizeof(xlog_op_header_t);
@@ -1877,7 +1886,7 @@ xlog_write_copy_finish(
* we don't update ic_offset until the end when we know exactly how many
* bytes have been written out.
*/
-STATIC int
+int
xlog_write(
struct log *log,
struct xfs_log_vec *log_vector,
@@ -1901,9 +1910,26 @@ xlog_write(
*start_lsn = 0;
len = xlog_write_calc_vec_length(ticket, log_vector);
- if (ticket->t_curr_res < len)
+ if (log->l_cilp) {
+ /*
+ * Region headers and bytes are already accounted for.
+ * We only need to take into account start records and
+ * split regions in this function.
+ */
+ if (ticket->t_flags & XLOG_TIC_INITED)
+ ticket->t_curr_res -= sizeof(xlog_op_header_t);
+
+ /*
+ * Commit record headers need to be accounted for. These
+ * come in as separate writes so are easy to detect.
+ */
+ if (flags & (XLOG_COMMIT_TRANS | XLOG_UNMOUNT_TRANS))
+ ticket->t_curr_res -= sizeof(xlog_op_header_t);
+ } else
+ ticket->t_curr_res -= len;
+
+ if (ticket->t_curr_res < 0)
xlog_print_tic_res(log->l_mp, ticket);
- ticket->t_curr_res -= len;
index = 0;
lv = log_vector;
@@ -2999,6 +3025,8 @@ _xfs_log_force(
XFS_STATS_INC(xs_log_force);
+ xlog_cil_push(log, 1);
+
spin_lock(&log->l_icloglock);
iclog = log->l_iclog;
@@ -3148,6 +3176,12 @@ _xfs_log_force_lsn(
XFS_STATS_INC(xs_log_force);
+ if (log->l_cilp) {
+ lsn = xlog_cil_push_lsn(log, lsn);
+ if (lsn == NULLCOMMITLSN)
+ return 0;
+ }
+
try_again:
spin_lock(&log->l_icloglock);
iclog = log->l_iclog;
@@ -3322,7 +3356,7 @@ xfs_log_get_trans_ident(
/*
* Allocate and initialise a new log ticket.
*/
-STATIC xlog_ticket_t *
+xlog_ticket_t *
xlog_ticket_alloc(
struct log *log,
int unit_bytes,
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