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-rw-r--r--fs/xfs/libxfs/xfs_log_rlimit.c17
-rw-r--r--fs/xfs/libxfs/xfs_trans_resv.c12
-rw-r--r--fs/xfs/libxfs/xfs_trans_resv.h2
-rw-r--r--fs/xfs/xfs_trace.h12
4 files changed, 37 insertions, 6 deletions
diff --git a/fs/xfs/libxfs/xfs_log_rlimit.c b/fs/xfs/libxfs/xfs_log_rlimit.c
index 67798ff5e14e..2bafc69cac15 100644
--- a/fs/xfs/libxfs/xfs_log_rlimit.c
+++ b/fs/xfs/libxfs/xfs_log_rlimit.c
@@ -14,6 +14,7 @@
#include "xfs_trans_space.h"
#include "xfs_da_btree.h"
#include "xfs_bmap_btree.h"
+#include "xfs_trace.h"
/*
* Calculate the maximum length in bytes that would be required for a local
@@ -47,18 +48,25 @@ xfs_log_get_max_trans_res(
struct xfs_trans_res *max_resp)
{
struct xfs_trans_res *resp;
+ struct xfs_trans_res *start_resp;
struct xfs_trans_res *end_resp;
+ struct xfs_trans_resv *resv;
int log_space = 0;
int attr_space;
attr_space = xfs_log_calc_max_attrsetm_res(mp);
- resp = (struct xfs_trans_res *)M_RES(mp);
- end_resp = (struct xfs_trans_res *)(M_RES(mp) + 1);
- for (; resp < end_resp; resp++) {
+ resv = kmem_zalloc(sizeof(struct xfs_trans_resv), 0);
+ xfs_trans_resv_calc_logsize(mp, resv);
+
+ start_resp = (struct xfs_trans_res *)resv;
+ end_resp = (struct xfs_trans_res *)(resv + 1);
+ for (resp = start_resp; resp < end_resp; resp++) {
int tmp = resp->tr_logcount > 1 ?
resp->tr_logres * resp->tr_logcount :
resp->tr_logres;
+
+ trace_xfs_trans_resv_calc_logsize(mp, resp - start_resp, resp);
if (log_space < tmp) {
log_space = tmp;
*max_resp = *resp; /* struct copy */
@@ -66,9 +74,10 @@ xfs_log_get_max_trans_res(
}
if (attr_space > log_space) {
- *max_resp = M_RES(mp)->tr_attrsetm; /* struct copy */
+ *max_resp = resv->tr_attrsetm; /* struct copy */
max_resp->tr_logres = attr_space;
}
+ kmem_free(resv);
}
/*
diff --git a/fs/xfs/libxfs/xfs_trans_resv.c b/fs/xfs/libxfs/xfs_trans_resv.c
index 6f83d9b306ee..12d4e451e70e 100644
--- a/fs/xfs/libxfs/xfs_trans_resv.c
+++ b/fs/xfs/libxfs/xfs_trans_resv.c
@@ -933,3 +933,15 @@ xfs_trans_resv_calc(
/* Put everything back the way it was. This goes at the end. */
mp->m_rmap_maxlevels = rmap_maxlevels;
}
+
+/*
+ * Compute an alternate set of log reservation sizes for use exclusively with
+ * minimum log size calculations.
+ */
+void
+xfs_trans_resv_calc_logsize(
+ struct xfs_mount *mp,
+ struct xfs_trans_resv *resp)
+{
+ xfs_trans_resv_calc(mp, resp);
+}
diff --git a/fs/xfs/libxfs/xfs_trans_resv.h b/fs/xfs/libxfs/xfs_trans_resv.h
index fc4e9b369a3a..9fa4863f72a4 100644
--- a/fs/xfs/libxfs/xfs_trans_resv.h
+++ b/fs/xfs/libxfs/xfs_trans_resv.h
@@ -89,6 +89,8 @@ struct xfs_trans_resv {
#define XFS_ATTRSET_LOG_COUNT 3
#define XFS_ATTRRM_LOG_COUNT 3
+void xfs_trans_resv_calc_logsize(struct xfs_mount *mp,
+ struct xfs_trans_resv *resp);
void xfs_trans_resv_calc(struct xfs_mount *mp, struct xfs_trans_resv *resp);
uint xfs_allocfree_log_count(struct xfs_mount *mp, uint num_ops);
diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h
index 4a8076ef8cb4..9c5f04612c14 100644
--- a/fs/xfs/xfs_trace.h
+++ b/fs/xfs/xfs_trace.h
@@ -3513,7 +3513,7 @@ 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,
+DECLARE_EVENT_CLASS(xfs_trans_resv_class,
TP_PROTO(struct xfs_mount *mp, unsigned int type,
struct xfs_trans_res *res),
TP_ARGS(mp, type, res),
@@ -3537,7 +3537,15 @@ TRACE_EVENT(xfs_trans_resv_calc,
__entry->logres,
__entry->logcount,
__entry->logflags)
-);
+)
+
+#define DEFINE_TRANS_RESV_EVENT(name) \
+DEFINE_EVENT(xfs_trans_resv_class, name, \
+ TP_PROTO(struct xfs_mount *mp, unsigned int type, \
+ struct xfs_trans_res *res), \
+ TP_ARGS(mp, type, res))
+DEFINE_TRANS_RESV_EVENT(xfs_trans_resv_calc);
+DEFINE_TRANS_RESV_EVENT(xfs_trans_resv_calc_logsize);
DECLARE_EVENT_CLASS(xfs_trans_class,
TP_PROTO(struct xfs_trans *tp, unsigned long caller_ip),