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-rw-r--r--fs/xfs/libxfs/xfs_log_rlimit.c2
-rw-r--r--fs/xfs/libxfs/xfs_shared.h3
-rw-r--r--fs/xfs/xfs_trace.h26
-rw-r--r--fs/xfs/xfs_trans.c22
4 files changed, 52 insertions, 1 deletions
diff --git a/fs/xfs/libxfs/xfs_log_rlimit.c b/fs/xfs/libxfs/xfs_log_rlimit.c
index c10597973333..cc4cbe290939 100644
--- a/fs/xfs/libxfs/xfs_log_rlimit.c
+++ b/fs/xfs/libxfs/xfs_log_rlimit.c
@@ -55,7 +55,7 @@ xfs_log_calc_max_attrsetm_res(
* the maximum one in terms of the pre-calculated values which were done
* at mount time.
*/
-STATIC void
+void
xfs_log_get_max_trans_res(
struct xfs_mount *mp,
struct xfs_trans_res *max_resp)
diff --git a/fs/xfs/libxfs/xfs_shared.h b/fs/xfs/libxfs/xfs_shared.h
index 67ccb1ab4d7e..d0b84da0cb1e 100644
--- a/fs/xfs/libxfs/xfs_shared.h
+++ b/fs/xfs/libxfs/xfs_shared.h
@@ -76,6 +76,9 @@ struct xfs_log_item_desc {
int xfs_log_calc_unit_res(struct xfs_mount *mp, int unit_bytes);
int xfs_log_calc_minimum_size(struct xfs_mount *);
+struct xfs_trans_res;
+void xfs_log_get_max_trans_res(struct xfs_mount *mp,
+ struct xfs_trans_res *max_resp);
/*
* Values for t_flags.
diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h
index 9235b2c29695..b6251f8d66a0 100644
--- a/fs/xfs/xfs_trace.h
+++ b/fs/xfs/xfs_trace.h
@@ -3313,6 +3313,32 @@ DEFINE_GETFSMAP_EVENT(xfs_getfsmap_low_key);
DEFINE_GETFSMAP_EVENT(xfs_getfsmap_high_key);
DEFINE_GETFSMAP_EVENT(xfs_getfsmap_mapping);
+TRACE_EVENT(xfs_trans_resv_calc,
+ TP_PROTO(struct xfs_mount *mp, unsigned int type,
+ struct xfs_trans_res *res),
+ TP_ARGS(mp, type, res),
+ TP_STRUCT__entry(
+ __field(dev_t, dev)
+ __field(int, type)
+ __field(uint, logres)
+ __field(int, logcount)
+ __field(int, logflags)
+ ),
+ TP_fast_assign(
+ __entry->dev = mp->m_super->s_dev;
+ __entry->type = type;
+ __entry->logres = res->tr_logres;
+ __entry->logcount = res->tr_logcount;
+ __entry->logflags = res->tr_logflags;
+ ),
+ TP_printk("dev %d:%d type %d logres %u logcount %d flags 0x%x",
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ __entry->type,
+ __entry->logres,
+ __entry->logcount,
+ __entry->logflags)
+);
+
#endif /* _TRACE_XFS_H */
#undef TRACE_INCLUDE_PATH
diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c
index a87f657f59c9..86f92df32c42 100644
--- a/fs/xfs/xfs_trans.c
+++ b/fs/xfs/xfs_trans.c
@@ -35,6 +35,27 @@
kmem_zone_t *xfs_trans_zone;
kmem_zone_t *xfs_log_item_desc_zone;
+#if defined(CONFIG_TRACEPOINTS)
+static void
+xfs_trans_trace_reservations(
+ struct xfs_mount *mp)
+{
+ struct xfs_trans_res resv;
+ struct xfs_trans_res *res;
+ struct xfs_trans_res *end_res;
+ int i;
+
+ res = (struct xfs_trans_res *)M_RES(mp);
+ end_res = (struct xfs_trans_res *)(M_RES(mp) + 1);
+ for (i = 0; res < end_res; i++, res++)
+ trace_xfs_trans_resv_calc(mp, i, res);
+ xfs_log_get_max_trans_res(mp, &resv);
+ trace_xfs_trans_resv_calc(mp, -1, &resv);
+}
+#else
+# define xfs_trans_trace_reservations(mp)
+#endif
+
/*
* Initialize the precomputed transaction reservation values
* in the mount structure.
@@ -44,6 +65,7 @@ xfs_trans_init(
struct xfs_mount *mp)
{
xfs_trans_resv_calc(mp, M_RES(mp));
+ xfs_trans_trace_reservations(mp);
}
/*