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path: root/fs/xfs/xfs_log.c
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Diffstat (limited to 'fs/xfs/xfs_log.c')
-rw-r--r--fs/xfs/xfs_log.c22
1 files changed, 18 insertions, 4 deletions
diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index b345a7c85153..d852a2b3e1fd 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -1963,6 +1963,10 @@ xlog_write_calc_vec_length(
headers++;
for (lv = log_vector; lv; lv = lv->lv_next) {
+ /* we don't write ordered log vectors */
+ if (lv->lv_buf_len == XFS_LOG_VEC_ORDERED)
+ continue;
+
headers += lv->lv_niovecs;
for (i = 0; i < lv->lv_niovecs; i++) {
@@ -2216,7 +2220,7 @@ xlog_write(
index = 0;
lv = log_vector;
vecp = lv->lv_iovecp;
- while (lv && index < lv->lv_niovecs) {
+ while (lv && (!lv->lv_niovecs || index < lv->lv_niovecs)) {
void *ptr;
int log_offset;
@@ -2236,13 +2240,22 @@ xlog_write(
* This loop writes out as many regions as can fit in the amount
* of space which was allocated by xlog_state_get_iclog_space().
*/
- while (lv && index < lv->lv_niovecs) {
- struct xfs_log_iovec *reg = &vecp[index];
+ while (lv && (!lv->lv_niovecs || index < lv->lv_niovecs)) {
+ struct xfs_log_iovec *reg;
struct xlog_op_header *ophdr;
int start_rec_copy;
int copy_len;
int copy_off;
+ bool ordered = false;
+
+ /* ordered log vectors have no regions to write */
+ if (lv->lv_buf_len == XFS_LOG_VEC_ORDERED) {
+ ASSERT(lv->lv_niovecs == 0);
+ ordered = true;
+ goto next_lv;
+ }
+ reg = &vecp[index];
ASSERT(reg->i_len % sizeof(__int32_t) == 0);
ASSERT((unsigned long)ptr % sizeof(__int32_t) == 0);
@@ -2302,12 +2315,13 @@ xlog_write(
break;
if (++index == lv->lv_niovecs) {
+next_lv:
lv = lv->lv_next;
index = 0;
if (lv)
vecp = lv->lv_iovecp;
}
- if (record_cnt == 0) {
+ if (record_cnt == 0 && ordered == false) {
if (!lv)
return 0;
break;